.. _PMR4IN chapter: ================================================================================ Block 18 --- PMR4IN --- PRIMAR-4 Floating-Point Input ================================================================================ .. default-role:: sasinp .. sasblock:: PMR4IN 18 .. sasinp:: TMDBP4 :location: 1 :units: s Time when `IDBPR4` is set to `IDBP4N`\ . (See `IDBPR4` and `IDBP4N`). .. sasinp:: FLOSSL (ISGL) :location: 2-41 :units: kg/s Initial flow rate in liquid flow segments. The value input for the single segment representing all channels (except the bypass channel) is not used. .. sasinp:: ZINL (ISGL) :location: 42-81 :units: m Height of inlet to liquid segment. .. sasinp:: CVLMLT (M,ISGL) :location: 82-161 Flow rate multiplicity factors at liquid segment ends. M=1 at inlet, M=2 at outlet. .. sasinp:: ZOUTEL (IELL) :location: 162-301 :units: m Height at outlet of the liquid element. Note: `ZOUTEL`\ (IELL) is also the height at the inlet of element IELL+1 if IELL+1 is in the same segment. .. sasinp:: XLENEL (IELL) :location: 302-441 :units: m Length of element. (See comment for all channels in `FLOSSL`). .. sasinp:: AREAEL (IELL) :location: 442-581 :units: m^2 Cross-sectional flow area of liquid elements. (See comment for all channels in `FLOSSL`). .. sasinp:: DHELEM (IELL) :location: 582-721 :units: m Hydraulic diameter of liquid element. .. sasinp:: ROUGHL (IELL) :location: 722-861 :units: m Pipe surface roughness, for friction factor. .. sasinp:: BENDNM (IELL) :location: 862-1001 Number of bends in each liquid element. .. sasinp:: G2PRDR (IELL) :location: 1002-1141 Initial orifice coefficient. G\ :sup:`2` pressure-drop coefficient. ΔP=\ `G2PRDR`\ \*G\*ABS(G)/(2.\*RHO). .. sasinp:: BNDLOD :location: 1142 Effective L/D per bend. .. sasinp:: WALLMC (IELL) :location: 1143-1282 :units: J/m-K Pipe wall mass \* heat capacity /length. .. sasinp:: WALLH (IELL) :location: 1283-1422 :units: W/m^2-K Pipe wall heat-transfer coefficient. .. sasinp:: VOLLGC (ICV) :location: 1423-1460 :units: m^3 Total volume of the compressible volume, liquid + gas. .. sasinp:: PRESG0 (ICV) :location: 1461-1498 :units: Pa Initial gas pressure in the compressible volume having gas. .. sasinp:: ALPHAP (ICV) :location: 1499-1536 :units: 1/Pa Volume pressure expansion coefficient, (1/V)dV/dP, for the compressible volume. .. sasinp:: ALPHAT (ICV) :location: 1537-1574 :units: 1/K Volume thermal expansion coefficient, (1/V)dV/dT, for the compressible volume. .. sasinp:: ZCVL (ICV) :location: 1575-1612 :units: m Reference height for liquid pressure in the compressible volume. .. sasinp:: AREAIN (ICV) :location: 1613-1650 :units: m^2 Area of liquid-gas interface in the compressible volume. Input 1.0 if there is no interface. .. sasinp:: TREFCV (ICV) :location: 1651-1688 :units: K Initial steady-state gas temperature if gas is present. Steady-state gas temperature = liquid temperature if input as 0. Not used for a liquid-only compressible volume. .. sasinp:: GAMGSC :location: 1689 Cp/Cv for cover gas (P\*V)\ `GAMGSC` = constant. Used for all compressible volumes containing cover gas. .. sasinp:: RGASC :location: 1690 :units: Pa-m^3/kg-K Gas constant for cover gas, P \* V = M \* `RGASC` \* T. Used for all compressible volumes containing cover gas. R = 8314/molecular weight. R = 2078. for He. R = 208.1 for Argon. .. sasinp:: U0CVGS :location: 1691 :units: Pa-s Viscosity of cover gas at reference temperature `TRFU`. Suggested value: 1.94x10\ :sup:`-5` at 293 K for He 2.22x10\ :sup:`-5` at 293 K for Argon .. sasinp:: TRFU :location: 1692 :units: K Reference temperature for gas viscosity. .. sasinp:: XLENGG (ISGG) :location: 1693-1720 :units: m Length of gas segment. .. sasinp:: AREASG (ISGG) :location: 1721-1748 :units: m^2 Area. .. sasinp:: CVGMLT (M,ISGG) :location: 1749-1804 Multiplicity factors at gas segment ends. M=1 at inlet, 2 at outlet. Inlet and outlet the same as for `JCVG`\ (M,ISGG). .. sasinp:: DHSEGG (ISGG) :location: 1805-1832 :units: m Hydraulic diameter. .. sasinp:: ROUGHG (ISGG) :location: 1833-1860 :units: m Surface roughness. .. sasinp:: TAUGAS (ICV) :location: 1861-1898 :units: s Cover-gas temperature time constant. **PUMP OPTIONS** .. list-table:: :header-rows: 1 :align: center :widths: auto * - **IEMPMP** - **ILRPMP** - **Pump Option** * - Any - -2 - :ref:`User-specified normalized pump head vs. normalized flow `. * - -3 - Any > 0 - :ref:`Equivalent Circuit EM pump `. * - -2 - ≥ 0 - :ref:`ALMR EM Pump `. * - -1 - Any ≠ -2 - :ref:`Electromagnetic (EM) pump `. * - 0 - Any ≠ -2 - :ref:`Table look-up, user specified normalized pump head vs. time `. * - 1 - -1 - :ref:`Centrifugal pump option 1, user-specified normalized pump speed vs. time `. * - 1 - 0 - :ref:`Centrifugal pump option 1, user-specified normalized motor torque vs. time `. * - 1 - 1 - :ref:`Centrifugal pump option 1, locked rotor (pump speed = 0) `. * - 2 - -1 - :ref:`Centrifugal pump option 2, ANL pump model, user-specified normalized pump speed vs. time `. * - 2 - 0 - :ref:`Centrifugal pump option 2, ANL pump model, user-specified normalized motor torque vs. time `. * - 2 - 1 - :ref:`Centrifugal pump option 2, ANL pump model, locked rotor (pump speed = 0) `. * - 3 - Any ≠ -2 - :ref:`EBR-II pump model `. * - - - Note: See `IEMPMP` and `ILRPMP`. .. _head vs time PMR4IN: **USER-SPECIFIED PUMP HEAD VS TIME** .. math:: \left( \mathrm{\text{IEMPMP}}\left( \mathrm{\text{IPMP}} \right) = 0 \right) .. sasinp:: NONE :location: 1899-1910 Not used. .. sasinp:: HEADR (IPMP) :location: 1911-1922 :units: Pa Pump head at t = 0, computed by the code unless steady-state flow = 0. .. sasinp:: NONE :location: 1923-1982 Not used. .. sasinp:: APMPHD (J,IPMP) :location: 1983-2222 Table of relative pump head. Dimension (20, 12). .. sasinp:: AMOTTK (J,IPMP) :location: 2223-2462 :units: s Times for pump head table. Dimension (20, 12). .. _centrifugal PMR4IN: **CENTRIFUGAL PUMP** .. math:: \left( \mathrm{\text{IEMPMP}}\left( \mathrm{\text{IPMP}} \right) = 1 \right) .. sasinp:: PMPINR (IPMP) :location: 1899-1910 :units: kg-m^2 Moment of inertia, pump and motor. .. sasinp:: HEADR (IPMP) :location: 1911-1922 :units: Pa Rated pump head. .. sasinp:: PMPSPR (IPMP) :location: 1923-1934 :units: Rad/s Rated pump speed. .. sasinp:: PMPFLR (IPMP) :location: 1935-1946 :units: kg/s Rated pump flow. .. sasinp:: PMPEFR (IPMP) :location: 1947-1958 Rated pump efficiency. .. sasinp:: TRKLSC (IPMP) :location: 1959-1970 Torque coefficient for shaft friction, windage. .. sasinp:: EPSCAV (IPMP) :location: 1971-1982 Cavitation coefficient = ANPSH/HEAD for cavitation, rated value. .. sasinp:: APMPHD (IPMP) :location: 1983-2222 Pump head coefficients, J = 1 to 10, and pump torque coefficients, J = 11 to 20. .. sasinp:: AMOTTK (IPMP) :location: 2223-2462 :units: s Motor torque table, J = 1 to 10, and times for motor torque table, J = 11 to 20. .. _ANL pump PMR4IN: **HOMOLOGOUS PUMP MODEL** .. math:: \left( \mathrm{\text{IEMPMP}}\left( \mathrm{\text{IPMP}} \right) = 2 \right) .. sasinp:: PMPINR (IPMP) :location: 1899-1910 :units: kg-m^2 Moment of inertia, pump and motor. .. sasinp:: HEADR (IPMP) :location: 1911-1922 :units: Pa Rated pump head. .. sasinp:: PMPSPR (IPMP) :location: 1923-1934 :units: Rad/s Rated pump speed. .. sasinp:: PMPFLR (IPMP) :location: 1935-1946 :units: kg/s Rated pump flow. .. sasinp:: PMPEFR (IPMP) :location: 1947-1958 Rated pump efficiency. .. sasinp:: TRKLSC (IPMP) :location: 1959-1970 Torque coefficient for shaft friction, windage. .. sasinp:: EPSCAV (IPMP) :location: 1971-1982 Cavitation coefficient = ANPSH/HEAD for cavitation, rated value. .. sasinp:: APMPHD (K, IPMP) :location: 1983-2222 .. list-table:: :header-rows: 1 :align: center :widths: auto * - K - Comments * - 1-3 - Torque loss coefficients A(K), low range for APMPHD(10,IPMP) ≥ SB Friction torque = A(1)+A(2)\*SB+A(3)\*SB\ :sup:`2` SB = normalized pump speed. * - 4-6 - Torque loss coefficients, middle range for APMPHD(11,IPMP) ≥ SB > APMPHD(10,IPMP) * - 7-9 - Torque loss coefficients, high range for SB > APMPHD(11,IPMP) * - 10-11 - Limits of torque loss ranges. * - 12 - Locked rotor loss coefficient. * - 13 - Transition WB, normalized flow for transition from turbulent to laminar pump head. * - 14-17 - Not used. * - 18 - Pump curve number (1-3). * - 19 - WB for locked rotor. * - 20 - SB for locked rotor. ILRPMP(IPMP) is set to 1 if WB < APMPHD(19,IPMP) and SB < APMPHD(20,IPMP). .. sasinp:: AMOTTK (K,IPMP) :location: 2223-2462 Normalized motor torque table, K = 1 to 10, and times for motor torque table, K = 11 to 20. Note: See also `IEMPMP`, `ILRPMP`, `PMPHD`, and `PMPTQ`. .. _EBR-II PMR4IN: **EBR-II PUMP MODEL** .. math:: \left( \mathrm{\text{IEMPMP}}\left( \mathrm{\text{IPMP}} \right) = 3 \right) .. sasinp:: APMPHD (J,IPMP) :location: 1983-2222 Pump head coefficients. Same input format as for the homologous pump model. .. sasinp:: AMOTTK :location: 2223-2462 Table of normalized pump speed, j = 1 to 10, and times for pump speed, j = 11 to 20. Note: For an initial steady-state run, the normalization of the speeds in the AMOTTK table does not matter; the code renormalizes the table so that the speeds are relative to the rated speed (PMPSPR). If `AMOTTK` is input for a restart, then it must be normalized to the rated speed. .. _Electromagnetic pump PMR4IN: **ELECTROMAGNETIC PUMP** .. math:: \left( \mathrm{\text{IEMPMP}}\left( \mathrm{\text{IPMP}} \right) = - 1 \right) .. math:: \mathrm{\text{Pump Head}} = \mathrm{\text{Stall Head}}\left( t \right) \times \left\lbrack 1 - \left( \frac{\mathrm{\text{Flow}}}{\mathrm{\text{Synchronous Flow}}} \right)^{B} \right\rbrack .. sasinp:: NONE :location: 1899-1910 Not used. .. sasinp:: HEADR (IPMP) :location: 1911-1922 Stall head at :math:`t = 0`, computed by the code if steady-state flow is not zero. .. sasinp:: NONE :location: 1923-1934 Not used. .. sasinp:: PMPFLR (IPMP) :location: 1935-1946 :units: s/m 1/Synchronous velocity. .. sasinp:: PMPEFR (IPMP) :location: 1947-1958 Coefficient :math:`B`. Suggested value: 1.30. .. sasinp:: NONE :location: 1959-1982 Not used. .. sasinp:: APMPHD (J,IPMP) :location: 1983-2222 Table of normalized stall head. .. sasinp:: AMOTTK (J,IPMP) :location: 2223-2462 :units: s Times for `APMPHD` table. .. _ALMR EM Pump PMR4IN: **ALMR EM PUMP** .. math:: \left( \mathrm{\text{IEMPMP}}\left( \mathrm{\text{IPMP}} \right) = -2 \right) EM Pump with motor-generator to extend the coastdown time, see formulation in :numref:`section-5.3.4.4`. .. sasinp:: PMPINR (IPMP) :location: 1899-1910 :units: kg-m^2 Moment of inertia, :math:`I`, in :eq:`(5.3-127)`. .. sasinp:: HEADR (IPMP) :location: 1911-1922 :units: Pa Rated pump head, :math:`H_{\text{r}}`. See :eq:`(5.3-117)`. .. sasinp:: PMPSPR (IPMP) :location: 1923-1934 :units: Rad/s Rated frequency, or equivalently, pump speed, :math:`f_{\text{r}}`. See :eq:`(5.3-119)`. .. sasinp:: PMPFLR (IPMP) :location: 1935-1946 :units: kg/s Rated mass flow rate, :math:`w_{\text{r}}`. See :eq:`(5.3-120)`. .. sasinp:: PMPEFR (IPMP) :location: 1947-1958 Rated pump efficiency, :math:`\varepsilon_{\text{fr}}`. See :eq:`(5.3-122)`. .. sasinp:: TRKLSC (IPMP) :location: 1959-1982 Torque friction loss coefficient :math:`L_{\text{m}}`. See :eq:`(5.3-130)`. .. sasinp:: APMPHD (J,IPMP) :location: 1983-2222 ALMR EM Pump model description. .. list-table:: :header-rows: 1 :align: center :widths: auto * - J - Description - Units * - 1-5 - Coefficient :math:`a_{\text{j}}` in head curve given by :eq:`(5.3-121)`. See defaults in :numref:`table-5.3-1`, which are specific to the ALMR design. - Dimensionless * - 6 - Friction loss coefficient :math:`L_{\text{f}}` in :eq:`(5.3-116)`. - Dimensionless * - 7 - Time to cut-over to the motor-generator, i.e. trip time. If `ILRPMP`>0, then the time specified here is ignored and replaced with the value returned by the associated Function Block. - s * - 8 - :math:`f_{0}`, frequency prior to cutting over to the motor-generator. - rad/s * - 9 - :math:`V_{\text{r}}`, rated voltage. See :eq:`(5.3-118)`. - V * - 10-12 - Not used - N/A * - 13 - :math:`V_{\text{fr}}`, cut-over voltage fraction. See :eq:`(5.3-125)`. - Dimensionless * - 14-20 - Not used - N/A .. sasinp:: AMOTTK (J,IPMP) :location: 2223-2462 ALMR EM Pump model description, continued. .. list-table:: :header-rows: 1 :align: center :widths: auto * - J - Description - Units * - 1-7 - Coefficient :math:`b_{\text{j}}` in :eq:`(5.3-123)`. See defaults in :numref:`table-5.3-1`, which are specific to the ALMR design. - Dimensionless * - 8-16 - Coefficient :math:`c_{\text{j-7}}` in :eq:`(5.3-124)`. See defaults in :numref:`table-5.3-1`, which are specific to the ALMR design. - Dimensionless .. _Equivalent Circuit EM Pump PMR4IN: **EQUIVALENT CIRCUIT EM PUMP** The PMR4IN block input locations are not used for entering Equivalent Circuit EM Pump descriptions. Instead, see description of :ref:`EMPUMP blocks `. .. _head vs flow PMR4IN: **NORMALIZED PUMP HEAD VS. NORMALIZED FLOW** .. math:: \left( \mathrm{\text{ILRPMP}}\left( \mathrm{\text{IPMP}} \right) = - 2 \right) .. sasinp:: NONE :location: 1899-1982 Not used. .. sasinp:: APMPHD (J,IPMP) :location: 1983-2222 Table of normalized pump head. .. sasinp:: AMOTTK (J,IPMP) :location: 2223-2462 Normalized flow for the `APMPHD` table. .. sasinp:: GRAVTY :location: 2463 :units: m/s^2 Acceleration of gravity. Code uses 9.80. .. sasinp:: BTAPNA (ICV) :location: 2464-2501 :units: 1/Pa Coolant isothermal compressibility, (1/RHO) d RHO/dP, for the compressible volume. Suggested value: 2.13E-10 for sodium at 720 K. .. sasinp:: BTATNA (ICV) :location: 2502-2539 :units: 1/K Coolant thermal expansion coefficient, (1/RHO) d RHO/dT, for the compressible volume. Suggested value: -2.8E-4 for sodium at 720 K. .. sasinp:: RHONAR (ICV) :location: 2540-2577 :units: kg/m^3 Reference density of Na at `TREFCV`\ . Default: 844. Not currently used. .. sasinp:: HWALL (ICV) :location: 2578-2615 :units: W/m^2-K Wall-coolant heat-transfer coefficient for the compressible volume. .. sasinp:: AWALL (ICV) :location: 2616-2653 :units: m^2 Wall surface area for the compressible volume. .. sasinp:: CMWALL (ICV) :location: 2654-2691 :units: J/K Mass x specific heat for the wall of the compressible volume. .. sasinp:: VOLMIX :location: 2692 Not currently used. .. sasinp:: TAUUP :location: 2693 Not currently used. .. sasinp:: C1BY :location: 2694 Coefficient in Lyon-Martinelli convective heat-transfer correlation for bypass channel. First coefficient set. (See `C1`, `C1BY2`, `C1BY3`, `C1BY4`, `IHTBYB`, and `IHTBYD`). .. sasinp:: C2BY :location: 2695 See `C1BY`. .. sasinp:: C3BY :location: 2696 See `C1BY`. .. sasinp:: XKALBY (IBYP) :location: 2697-2704 :units: W/m-K Thermal conductivity of bypass wall A, lower part. 1 ≤ IBYP ≤ `NBYP`\. .. sasinp:: XKAUBY (IBYP) :location: 2705-2712 :units: W/m-K Thermal conductivity of bypass wall A, upper part. .. sasinp:: XKBLBY (IBYP) :location: 2713-2720 :units: W/m-K Thermal conductivity of bypass wall B, lower part. .. sasinp:: XKBUBY (IBYP) :location: 2721-2728 :units: W/m-K Thermal conductivity of bypass wall B, upper part. .. sasinp:: XKDBY (IBYP) :location: 2729-2736 :units: W/m-K Thermal conductivity of bypass wall D. .. sasinp:: DABY (IBYP) :location: 2737-2744 :units: m Thickness of bypass wall A. .. sasinp:: DBBY (IBYP) :location: 2745-2752 :units: m Thickness of bypass wall B. .. sasinp:: DDBY (IBYP) :location: 2753-2760 :units: m Thickness of bypass wall D. .. sasinp:: RCALBY (IBYP) :location: 2761-2768 :units: J/m^3-K Density \* specific heat of bypass wall A, lower part. .. sasinp:: RCAUBY (IBYP) :location: 2769-2776 :units: J/m^3-K Density \* specific heat of bypass wall A, upper part. .. sasinp:: RCBLBY (IBYP) :location: 2777-2784 :units: J/m^3-K Density \* specific heat of bypass wall B, lower part. .. sasinp:: RCBUBY (IBYP) :location: 2785-2792 :units: J/m^3-K Density \* specific heat of bypass wall B, upper part. .. sasinp:: RCDBY (IBYP) :location: 2793-2800 :units: J/m^3-K Density \* specific heat of bypass wall D. .. sasinp:: PSHPBY (J,IBYP) :location: 2801-2856 Power shape by nodes for each bypass channel. Dimension (7,8). Code normalizes distribution. For the number of nodes, see `NTNODE`. .. sasinp:: GAMNBY (IREG,IBYP) :location: 2857-2880 Fraction of total reactor power by region for each bypass channel. If there are no nodes in region 2, then set `GAMNBY`\ (2,IBYP) to 0. Dimension (3,8). Note: See `FRPR`\. Sum over all of the three regions of all the `NBYP` bypass channels of the array elements of `GAMNBY` = 1 - `FRPR`\ . .. sasinp:: GAMDBY (IREG,IBYP) :location: 2881-2904 Fraction of decay power by region for each bypass channel. Set to 0. The code adds `GAMNBY` to `GAMDBY` for the total power fraction. Dimension (3,8). .. sasinp:: PRFRA1 (IBYP) :location: 2905-2912 The fraction of the reactor power distributed in reflector A in region 1 of the bypass channel. .. sasinp:: PRFRA2 (IBYP) :location: 2913-2920 The fraction of the reactor power distributed in reflector A in region 2 of the bypass channel. .. sasinp:: PERABY (IBYP) :location: 2921-2928 :units: m Perimeter of wall B in bypass channel. .. sasinp:: PERDBY (IBYP) :location: 2929-2936 :units: m Perimeter of wall D in bypass channel. .. sasinp:: DTMPTB (K,ITAB) :location: 2937-3104 Table of valve pressure drop coefficient (See :sasinp:`ITABVV` ). Table of normalized temperature drop for an IHX (See :sasinp:`IHXCLC`) or steam generator (See :sasinp:`ISGCLC`). Table of primary side outlet temperature for an IHX (See :sasinp:`IHXCLC`) or steam generator (See :sasinp:`ISGCLC`). `DTMPTB`\(1,ITAB)>1.0 Table of normalized heat rejection for an IHX (See :sasinp:`IHXCLC`) or steam generator (See :sasinp:`ISGCLC`). `DTMPTB`\(1,ITAB)=1.0. :sasinp:`VSIHX1`, :sasinp:`VSIHX2`, and :sasinp:`DTSIHX` must be nonzero. Dimension(14,12). .. sasinp:: ZCENTR (K,ITAB) :location: 3105-3272 :units: m Height of thermal center for TABLE(ITAB) for an IHX or steam generator. .. sasinp:: TMPMTB (K,ITAB) :location: 3273-3440 :units: s Times for `DTMPTB` and `ZCENTR`\ . .. sasinp:: DTEVPF (IIHX) :location: 3441-3444 Fraction of total steam generator Na temperature drop in evaporator for the intermediate loop connected to IHX(IIHX). Will be reset to 0.7 if equal to 0. or 1. Suggested value: 0.9999 for table lookup option. .. sasinp:: PRSIHX (IIHX) :location: 3445-3448 :units: Pa Steady-state intermediate side IHX inlet pressure. .. sasinp:: PRSDRC (IDRC) :location: 3449-3452 :units: Pa Steady-state intermediate side DRACS inlet pressure. Not implemented. See instead `ISGLNK` and `ICVNAK` and use `PRSIHX`. .. sasinp:: PINMIN :location: 3453 :units: Pa Minimum subassembly inlet pressure. Default: 10000. .. sasinp:: DMP4I1 :location: 3454 Not currently used. .. sasinp:: DZSHPX (IDZIHX) :location: 3455-3515 :units: m Fractional axial node heights in IHX. .. sasinp:: PERSPX (IIHX) :location: 3516-3519 :units: m Perimeter between shell and shell side coolant in IHX. .. sasinp:: PERSPD (IDRX) :location: 3520-3523 :units: m Perimeter between shell and shell side coolant in DRACS Not implemented. See instead `ISGLNK` and `ICVNAK` and use `PERSPX`. .. sasinp:: PERPTX (IIHX) :location: 3524-3527 :units: m Perimeter between shell side coolant and tube in IHX. .. sasinp:: PERPTD (IDRX) :location: 3528-3531 :units: m Perimeter between shell side coolant and tube in DRACS. Not implemented. See instead `ISGLNK` and `ICVNAK` and use `PERPTX`. .. sasinp:: PERTIX (IIHX) :location: 3532-3535 :units: m Perimeter between tube and tube side coolant in IHX. .. sasinp:: PERTID (IDRX) :location: 3536-3539 :units: m Perimeter between tube and tube side coolant in DRACS. Not implemented. See instead `ISGLNK` and `ICVNAK` and use `PERTIX`. .. sasinp:: DSHIHX (IIHX) :location: 3540-3543 :units: m Shell thickness in IHX. .. sasinp:: DSHDRC (IDRX) :location: 3544-3547 :units: m Shell thickness in DRACS. Not implemented. See instead `ISGLNK` and `ICVNAK` and use `DSHIHX`. .. sasinp:: DTUIHX (IIHX) :location: 3548-3551 :units: m Tube thickness in IHX. .. sasinp:: DTUDRC (IDRX) :location: 3552-3555 :units: m Tube thickness in DRACS. Not implemented. See instead `ISGLNK` and `ICVNAK` and use `DTUIHX`. .. sasinp:: RCSHHX (IIHX) :location: 3556-3559 :units: J/m^3-K Density \* specific heat of shell in IHX. .. sasinp:: RCSHDR (IDRX) :location: 3560-3563 :units: J/m^3-K Density \* specific heat of shell in DRACS. Not implemented. See instead `ISGLNK` and `ICVNAK` and use `RCSHHX`. .. sasinp:: RCTUHX (IIHX) :location: 3564-3567 :units: J/m^3-K Density \* specific heat of tube in IHX. .. sasinp:: RCTUDR (IDRX) :location: 3568-3571 :units: J/m^3-K Density \* specific heat of tube in DRACS. Not implemented. See instead `ISGLNK` and `ICVNAK` and use `RCTUHX`. .. sasinp:: XKSHHX (IIHX) :location: 3572-3575 :units: W/m-K Thermal conductance of shell in IHX. .. sasinp:: XKSHDR (IDRX) :location: 3576-3579 :units: W/m-K Thermal conductance of shell in DRACS. Not implemented. See instead `ISGLNK` and `ICVNAK` and use `XKSHHX`. .. sasinp:: XKTUHX (IIHX) :location: 3580-3583 :units: W/m-K Thermal conductance of tube in IHX. .. sasinp:: XKTUDR (IDRX) :location: 3584-3587 :units: W/m-K Thermal conductance of tube in DRACS. Not implemented. See instead `ISGLNK` and `ICVNAK` and use `XKTUHX`. .. sasinp:: HFPIHX (IIHX) :location: 3588-3591 :units: W/m^2-K Fouling heat-transfer coefficient for shell side flow in IHX. .. sasinp:: HFPDRC (IDRX) :location: 3592-3595 :units: W/m^2-K Fouling heat-transfer coefficient for shell side flow in DRACS. Not implemented. See instead `ISGLNK` and `ICVNAK` and use `HFPIHX`. .. sasinp:: HFIIHX (IIHX) :location: 3596-3599 :units: W/m^2-K Fouling heat-transfer coefficient for tube side flow in IHX. .. sasinp:: HFIDRC (IDRX) :location: 3600-3603 :units: W/m^2-K Fouling heat-transfer coefficient for tube side flow in DRACS. Not implemented. See instead `ISGLNK` and `ICVNAK` and use `HFIIHX`. .. sasinp:: SLANTX (IIHX) :location: 3604-3607 Slant-height factor for IHX, tubeside. .. sasinp:: SLANTD (IDRX) :location: 3608-3611 Slant-height factor for DRACS, tubeside. Not implemented. See instead `ISGLNK` and `ICVNAK` and use `SLANTX`. .. sasinp:: VOLGS0 (ICV) :location: 3612-3649 :units: m^3 Initial gas volume. Used only for `ITYPCV`\ (ICV) = 6,7,8,9,10. .. sasinp:: C1PIPE :location: 3650 Conductance coefficient for pipe. Recommended value: 0.025. .. sasinp:: C2PIPE :location: 3651 Conductance coefficient for pipe. Recommended value: 0.8. .. sasinp:: C3PIPE :location: 3652 Conductance coefficient for pipe. Recommended value: 4.8. .. sasinp:: C1IHX :location: 3653 Conductance coefficient for HX, shell side. Also for tube side if both are same; if tube side different, enter tube side value in `C1IHXT` (heat exchanger). Recommended value: 0.025. .. sasinp:: C2IHX :location: 3654 Conductance coefficient for HX, shell side. Also for tube side if both are same; if tube side different, enter tube side value in `C2IHXT` (heat exchanger). Recommended value: 0.8. .. sasinp:: C3IHX :location: 3655 Conductance coefficient for HX, shell side. Also for tube side if both are same; if tube side different, enter tube side value in `C3IHXT` (heat exchanger). Recommended value: 4.8. .. sasinp:: C4IHX :location: 3656 Conductance coefficient for HX, shell side. Also for tube side if both are same; if tube side different, enter tube side value in `C4IHXT` (heat exchanger). Recommended value: 0.0. .. sasinp:: PMPHD :location: 3657-3719 Pump head coefficients for range J for pump type (specific speed) K. Used only if `IEMPMP`\ =2. Dimensions (7,3,3). .. sasinp:: PMPTQ :location: 3720-3800 Pump torque coefficients for range J for pump type K. Used only if `IEMPMP`\ =2. Dimensions (9,3,3). **AIR DUMP HEAT EXCHANGER** .. sasinp:: RITB (IDHX) :location: 3801-3804 :units: m Heat exchanger tube inner radius. .. sasinp:: ROTB (IDHX) :location: 3805-3808 :units: m Tube outer radius. .. sasinp:: XKTB (IDHX) :location: 3809-3812 :units: W/m-K Tube thermal conductivity. .. sasinp:: HOTB (IDHX) :location: 3813-3816 :units: W/m^2-K Tube-to-air heat transfer coefficient. .. sasinp:: HITB (IDHX) :location: 3817-3820 :units: W/m^2-K Tube-to-NaK or tube-to-Na heat transfer coefficient. .. sasinp:: AHT (IDHX) :location: 3821-3824 :units: m^2 Air side heat transfer area. .. sasinp:: SRLEN (IDHX) :location: 3825-3828 :units: m Stack riser length. .. sasinp:: XKHXLS (IDHX) :location: 3829-3832 Loss coefficient, air side of heat exchanger. .. sasinp:: XKRLS (IDHX) :location: 3833-3836 Riser loss coefficient. .. sasinp:: XKSOLS (IDHX) :location: 3837-3840 Stack outlet loss coefficient. .. sasinp:: AHX (IDHX) :location: 3841-3844 :units: m^2 Air flow area at heat exchanger. .. sasinp:: AR (IDHX) :location: 3845-3848 :units: m^2 Riser cross sectional area. .. sasinp:: ASI (IDHX) :location: 3849-3852 :units: m^2 Stack inlet cross sectional area. .. sasinp:: XKSILS (K,IDHX) :location: 3853-3892 Table of stack inlet loss coefficient (\ `IFCDHX`\ =0) or air flow rate (\ `IFCDHX`\ =1) vs time. .. sasinp:: XKSITM (K,IDHX) :location: 3893-3932 :units: s Times for `XKSILS` table. .. sasinp:: AIRTMP :location: 3933 :units: K Air temperature. **FIRST STEAM GENERATOR** .. sasinp:: HFW :location: 3934 :units: J/kg Inlet feedwater enthalpy. .. sasinp:: WEVI :location: 3935 :units: kg/s Inlet evaporator mass flow rate estimate (readjusted during steady-state calculations to yield correct sodium-side temperature drop). .. sasinp:: PW :location: 3936 :units: Pa Evaporator waterside average pressure. .. sasinp:: TNAX :location: 3937 Not currently used. .. sasinp:: XEVO :location: 3938 Exit steam quality from the evaporator. Should be between 0 and 1 for `IEVAP` = 1 or 3. **GEOMETRIC CONSTANTS** .. sasinp:: EL :location: 3939 :units: m Evaporator active length. .. sasinp:: DEW :location: 3940 :units: m Water hydraulic diameter per tube. .. sasinp:: DNA :location: 3941 :units: m Tube outer diameter. .. sasinp:: DENA :location: 3942 :units: m Sodium hydraulic diameter per tube. .. sasinp:: ANA :location: 3943 :units: m^2 Sodium flow area per tube. .. sasinp:: POD :location: 3944 Tube pitch to diameter ratio. .. sasinp:: PINSW :location: 3945 Number of tubes per unit. **EVAPORATOR HEAT TRANSFER NORMALIZATION** .. sasinp:: PWO :location: 3946 :units: Pa Evaporator average pressure. .. sasinp:: TMO :location: 3947 :units: K Evaporator average metal temperature. .. sasinp:: TNAO :location: 3948 :units: K Evaporator average sodium temperature. .. sasinp:: HSCO :location: 3949 :units: J/kg H\ :sub:`2`\ O: Average subcooled region enthalpy (estimated). .. sasinp:: HFBO :location: 3950 :units: J/kg H\ :sub:`2`\ O: Average post-DNB region enthalpy (estimated). .. sasinp:: HSHO :location: 3951 :units: J/kg H\ :sub:`2`\ O: Average superheat region enthalpy (estimated). .. sasinp:: GWO (2) :location: 3952-3953 :units: kg/m^2-s H\ :sub:`2`\ O: Average 2-phase mass velocity in the evaporator and superheater, respectively. **GEOMETRIC CONSTANTS** .. sasinp:: QFACT (2) :location: 3954-3955 Heat transfer area multiplier for the evaporator and superheater respectively. For `IEVAP` = 1 or 3, `QFACT`\ (1) is internally adjusted such that the evaporator length and output steam quality correspond to their input values. .. sasinp:: ELS :location: 3956 :units: m Superheater length. **INITIAL ENTHALPY** .. sasinp:: HWSHO :location: 3957 :units: J/kg Initial estimate of the superheat water exit enthalpy (internally changed during steady-state calculations). **INITIAL PRESSURE** .. sasinp:: PD :location: 3958 :units: Pa Initial drum pressure. .. sasinp:: PHPTI :location: 3959 :units: Pa Initial high pressure turbine inlet pressure. **GEOMETRIC CONSTANTS** .. sasinp:: VOLD :location: 3960 :units: m^3 Drum volume. .. sasinp:: ELDRUM :location: 3961 :units: m Drum midpoint elevation measured from the evaporator inlet. **RECIRCULATION MOMENTUM** .. sasinp:: DPFCLD :location: 3962 :units: Pa Rated cold leg (drum to active inlet of evaporator) friction pressure loss. .. sasinp:: CUTOFF :location: 3963 Cutoff head fraction for recirculation pump rated head. .. sasinp:: SLA :location: 3964 :units: 1/m Recirculation loop characteristic length to flow area ratio. .. sasinp:: DPFHOT :location: 3965 :units: Pa Rated hot leg (evaporator to drum) friction pressure loss. .. sasinp:: REDPTO :location: 3966 Rated evaporator water/steam Reynolds number. .. sasinp:: FDPTO :location: 3967 Evaporator friction pressure drop multiplier. .. sasinp:: FWTIME (6) :location: 3968-3973 :units: s Array of time values corresponding to feedwater normalized flow rate profile (\ `FWPROF`\ ). .. sasinp:: FWPROF (6) :location: 3974-3979 Feedwater flow at times given in `FWTIME`\ . Normalized to steady-state flow = 1.0. This option selected by `IFWC` = 2. .. sasinp:: PHTIME (6) :location: 3980-3985 :units: s Array of time values corresponding to feedwater pump head normalized profile (PMPROF). .. sasinp:: PHPROF (6) :location: 3986-3991 Pump head profile at times given in `PHTIME`\ . Normalized to feedwater pump ΔP at steady-state. This option is turned on by setting `PHPROF`\ (1) non-zero. .. sasinp:: DUM :location: 3992-3993 Not currently used. **END OF FIRST STEAM GENERATOR INPUT** **SECOND STEAM GENERATOR** .. sasinp:: HFW :location: 3994 :units: J/kg Inlet feedwater enthalpy. .. sasinp:: WEVI :location: 3995 :units: kg/s Inlet evaporator mass flow rate estimate (readjusted during steady-state calculations to yield correct sodium-side temperature drop). .. sasinp:: PW :location: 3996 :units: Pa Evaporator waterside average pressure. .. sasinp:: TNAX :location: 3997 Not currently used. .. sasinp:: XEVO :location: 3998 Exit steam quality from the evaporator. Should be between 0 and 1 for `IEVAP` = 1 or 3. **GEOMETRIC CONSTANTS** .. sasinp:: EL :location: 3999 :units: m Evaporator active length. .. sasinp:: DEW :location: 4000 :units: m Water hydraulic diameter per tube. .. sasinp:: DNA :location: 4001 :units: m Tube outer diameter. .. sasinp:: DENA :location: 4002 :units: m Sodium hydraulic diameter per tube. .. sasinp:: ANA :location: 4003 :units: m^2 Sodium flow area per tube. .. sasinp:: POD :location: 4004 Tube pitch to diameter ratio. .. sasinp:: PINSW :location: 4005 Number of tubes per unit. **EVAPORATOR HEAT TRANSFER NORMALIZATION** .. sasinp:: PWO :location: 4006 :units: Pa Evaporator average pressure. .. sasinp:: TMO :location: 4007 :units: K Evaporator average metal temperature. .. sasinp:: TNAO :location: 4008 :units: K Evaporator average sodium temperature. .. sasinp:: HSCO :location: 4009 :units: J/kg H\ :sub:`2`\ O: Average subcooled region enthalpy (estimated). .. sasinp:: HFBO :location: 4010 :units: J/kg H\ :sub:`2`\ O: Average post-DNB region enthalpy (estimated). .. sasinp:: HSHO :location: 4011 :units: J/kg H\ :sub:`2`\ O: Average superheat region enthalpy (estimated). .. sasinp:: GWO (2) :location: 4012-4013 :units: kg/m^2-s H\ :sub:`2`\ O: Average 2-phase mass velocity in the evaporator and superheater, respectively. **GEOMETRIC CONSTANTS** .. sasinp:: QFACT (2) :location: 4014-4015 Heat transfer area multiplier for the evaporator and superheater respectively. For `IEVAP` = 1 or 3, `QFACT`\ (1) is internally adjusted such that the evaporator length and output steam quality correspond to their input values. .. sasinp:: ELS :location: 4016 :units: m Superheater length. **INITIAL ENTHALPY** .. sasinp:: HWSHO :location: 4017 :units: J/kg Initial estimate of the superheat water exit enthalpy (internally changed during steady-state calculations). **INITIAL PRESSURE** .. sasinp:: PD :location: 4018 :units: Pa Initial drum pressure. .. sasinp:: PHPTI :location: 4019 :units: Pa Initial high pressure turbine inlet pressure. **GEOMETRIC CONSTANTS** .. sasinp:: VOLD :location: 4020 :units: m^3 Drum volume. .. sasinp:: ELDRUM :location: 4021 :units: m Drum midpoint elevation measured from the evaporator inlet. **RECIRCULATION MOMENTUM** .. sasinp:: DPFCLD :location: 4022 :units: Pa Rated cold leg (drum to active inlet of evaporator) friction pressure loss. .. sasinp:: CUTOFF :location: 4023 Cutoff head fraction for recirculation pump rated head. .. sasinp:: SLA :location: 4024 :units: 1/m Recirculation loop characteristic length to flow area ratio. .. sasinp:: DPFHOT :location: 4025 :units: Pa Rated hot leg (evaporator to drum) friction pressure loss. .. sasinp:: REDPTO :location: 4026 Rated evaporator water/steam Reynolds number. .. sasinp:: FDPTO :location: 4027 Evaporator friction pressure drop multiplier. .. sasinp:: FWTIME (6) :location: 4028-4033 :units: s Array of time values corresponding to feedwater normalized flow rate profile (\ `FWPROF`\ ). .. sasinp:: FWPROF (6) :location: 4034-4039 Feedwater flow at times given in `FWTIME`\ . Normalized to steady-state flow = 1.0. This option selected by `IFWC` = 2. .. sasinp:: PHTIME (6) :location: 4040-4045 :units: s Array of time values corresponding to feedwater pump head normalized profile (PMPROF). .. sasinp:: PHPROF (6) :location: 4046-4051 Pump head profile at times given in `PHTIME`\ . Normalized to feedwater pump ΔP at steady-state. This option is turned on by setting `PHPROF`\ (1) non-zero. .. sasinp:: DUM :location: 4052-4053 Not currently used. **END OF SECOND STEAM GENERATOR INPUT** **THIRD STEAM GENERATOR** .. sasinp:: HFW :location: 4054 :units: J/kg Inlet feedwater enthalpy. .. sasinp:: WEVI :location: 4055 :units: kg/s Inlet evaporator mass flow rate estimate (readjusted during steady-state calculations to yield correct sodium-side temperature drop). .. sasinp:: PW :location: 4056 :units: Pa Evaporator waterside average pressure. .. sasinp:: TNAX :location: 4057 Not currently used. .. sasinp:: XEVO :location: 4058 Exit steam quality from the evaporator. Should be between 0 and 1 for `IEVAP` = 1 or 3. **GEOMETRIC CONSTANTS** .. sasinp:: EL :location: 4059 :units: m Evaporator active length. .. sasinp:: DEW :location: 4060 :units: m Water hydraulic diameter per tube. .. sasinp:: DNA :location: 4061 :units: m Tube outer diameter. .. sasinp:: DENA :location: 4062 :units: m Sodium hydraulic diameter per tube. .. sasinp:: ANA :location: 4063 :units: m^2 Sodium flow area per tube. .. sasinp:: POD :location: 4064 Tube pitch to diameter ratio. .. sasinp:: PINSW :location: 4065 Number of tubes per unit. **EVAPORATOR HEAT TRANSFER NORMALIZATION** .. sasinp:: PWO :location: 4066 :units: Pa Evaporator average pressure. .. sasinp:: TMO :location: 4067 :units: K Evaporator average metal temperature. .. sasinp:: TNAO :location: 4068 :units: K Evaporator average sodium temperature. .. sasinp:: HSCO :location: 4069 :units: J/kg H\ :sub:`2`\ O: Average subcooled region enthalpy (estimated). .. sasinp:: HFBO :location: 4070 :units: J/kg H\ :sub:`2`\ O: Average post-DNB region enthalpy (estimated). .. sasinp:: HSHO :location: 4071 :units: J/kg H\ :sub:`2`\ O: Average superheat region enthalpy (estimated). .. sasinp:: GWO (2) :location: 4072-4073 :units: kg/m^2-s H\ :sub:`2`\ O: Average 2-phase mass velocity in the evaporator and superheater, respectively. **GEOMETRIC CONSTANTS** .. sasinp:: QFACT (2) :location: 4074-4075 Heat transfer area multiplier for the evaporator and superheater respectively. For `IEVAP` = 1 or 3, `QFACT`\ (1) is internally adjusted such that the evaporator length and output steam quality correspond to their input values. .. sasinp:: ELS :location: 4076 :units: m Superheater length. **INITIAL ENTHALPY** .. sasinp:: HWSHO :location: 4077 :units: J/kg Initial estimate of the superheat water exit enthalpy (internally changed during steady-state calculations). **INITIAL PRESSURE** .. sasinp:: PD :location: 4078 :units: Pa Initial drum pressure. .. sasinp:: PHPTI :location: 4079 :units: Pa Initial high pressure turbine inlet pressure. **GEOMETRIC CONSTANTS** .. sasinp:: VOLD :location: 4080 :units: m^3 Drum volume. .. sasinp:: ELDRUM :location: 4081 :units: m Drum midpoint elevation measured from the evaporator inlet. **RECIRCULATION MOMENTUM** .. sasinp:: DPFCLD :location: 4082 :units: Pa Rated cold leg (drum to active inlet of evaporator) friction pressure loss. .. sasinp:: CUTOFF :location: 4083 Cutoff head fraction for recirculation pump rated head. .. sasinp:: SLA :location: 4084 :units: 1/m Recirculation loop characteristic length to flow area ratio. .. sasinp:: DPFHOT :location: 4085 :units: Pa Rated hot leg (evaporator to drum) friction pressure loss. .. sasinp:: REDPTO :location: 4086 Rated evaporator water/steam Reynolds number. .. sasinp:: FDPTO :location: 4087 Evaporator friction pressure drop multiplier. .. sasinp:: FWTIME (6) :location: 4088-4093 :units: s Array of time values corresponding to feedwater normalized flow rate profile (\ `FWPROF`\ ). .. sasinp:: FWPROF (6) :location: 4094-4099 Feedwater flow at times given in `FWTIME`\ . Normalized to steady-state flow = 1.0. This option selected by `IFWC` = 2. .. sasinp:: PHTIME (6) :location: 4100-4105 :units: s Array of time values corresponding to feedwater pump head normalized profile (PMPROF). .. sasinp:: PHPROF (6) :location: 4106-4111 Pump head profile at times given in `PHTIME`\ . Normalized to feedwater pump ΔP at steady-state. This option is turned on by setting `PHPROF`\ (1) non-zero. .. sasinp:: DUM :location: 4112-4113 Not currently used. **END OF THIRD STEAM GENERATOR INPUT** **FOURTH STEAM GENERATOR** .. sasinp:: HFW :location: 4114 :units: J/kg Inlet feedwater enthalpy. .. sasinp:: WEVI :location: 4115 :units: kg/s Inlet evaporator mass flow rate estimate (readjusted during steady-state calculations to yield correct sodium-side temperature drop). .. sasinp:: PW :location: 4116 :units: Pa Evaporator waterside average pressure. .. sasinp:: TNAX :location: 4117 Not currently used. .. sasinp:: XEVO :location: 4118 Exit steam quality from the evaporator. Should be between 0 and 1 for `IEVAP` = 1 or 3. **GEOMETRIC CONSTANTS** .. sasinp:: EL :location: 4119 :units: m Evaporator active length. .. sasinp:: DEW :location: 4120 :units: m Water hydraulic diameter per tube. .. sasinp:: DNA :location: 4121 :units: m Tube outer diameter. .. sasinp:: DENA :location: 4122 :units: m Sodium hydraulic diameter per tube. .. sasinp:: ANA :location: 4123 :units: m^2 Sodium flow area per tube. .. sasinp:: POD :location: 4124 Tube pitch to diameter ratio. .. sasinp:: PINSW :location: 4125 Number of tubes per unit. **EVAPORATOR HEAT TRANSFER NORMALIZATION** .. sasinp:: PWO :location: 4126 :units: Pa Evaporator average pressure. .. sasinp:: TMO :location: 4127 :units: K Evaporator average metal temperature. .. sasinp:: TNAO :location: 4128 :units: K Evaporator average sodium temperature. .. sasinp:: HSCO :location: 4129 :units: J/kg H\ :sub:`2`\ O: Average subcooled region enthalpy (estimated). .. sasinp:: HFBO :location: 4130 :units: J/kg H\ :sub:`2`\ O: Average post-DNB region enthalpy (estimated). .. sasinp:: HSHO :location: 4131 :units: J/kg H\ :sub:`2`\ O: Average superheat region enthalpy (estimated). .. sasinp:: GWO (2) :location: 4132-4133 :units: kg/m^2-s H\ :sub:`2`\ O: Average 2-phase mass velocity in the evaporator and superheater, respectively. **GEOMETRIC CONSTANTS** .. sasinp:: QFACT (2) :location: 4134-4135 Heat transfer area multiplier for the evaporator and superheater respectively. For `IEVAP` = 1 or 3, `QFACT`\ (1) is internally adjusted such that the evaporator length and output steam quality correspond to their input values. .. sasinp:: ELS :location: 4136 :units: m Superheater length. **INITIAL ENTHALPY** .. sasinp:: HWSHO :location: 4137 :units: J/kg Initial estimate of the superheat water exit enthalpy (internally changed during steady-state calculations). **INITIAL PRESSURE** .. sasinp:: PD :location: 4138 :units: Pa Initial drum pressure. .. sasinp:: PHPTI :location: 4139 :units: Pa Initial high pressure turbine inlet pressure. **GEOMETRIC CONSTANTS** .. sasinp:: VOLD :location: 4140 :units: m^3 Drum volume. .. sasinp:: ELDRUM :location: 4141 :units: m Drum midpoint elevation measured from the evaporator inlet. **RECIRCULATION MOMENTUM** .. sasinp:: DPFCLD :location: 4142 :units: Pa Rated cold leg (drum to active inlet of evaporator) friction pressure loss. .. sasinp:: CUTOFF :location: 4143 Cutoff head fraction for recirculation pump rated head. .. sasinp:: SLA :location: 4144 :units: 1/m Recirculation loop characteristic length to flow area ratio. .. sasinp:: DPFHOT :location: 4145 :units: Pa Rated hot leg (evaporator to drum) friction pressure loss. .. sasinp:: REDPTO :location: 4146 Rated evaporator water/steam Reynolds number. .. sasinp:: FDPTO :location: 4147 Evaporator friction pressure drop multiplier. .. sasinp:: FWTIME (6) :location: 4148-4153 :units: s Array of time values corresponding to feedwater normalized flow rate profile (\ `FWPROF`\ ). .. sasinp:: FWPROF (6) :location: 4154-4159 Feedwater flow at times given in `FWTIME`\ . Normalized to steady-state flow = 1.0. This option selected by `IFWC` = 2. .. sasinp:: PHTIME (6) :location: 4160-4165 :units: s Array of time values corresponding to feedwater pump head normalized profile (PMPROF). .. sasinp:: PHPROF (6) :location: 4166-4171 Pump head profile at times given in `PHTIME`\ . Normalized to feedwater pump ΔP at steady-state. This option is turned on by setting `PHPROF`\ (1) non-zero. .. sasinp:: DUM :location: 4172-4173 Not currently used. **END OF FOURTH STEAM GENERATOR INPUT** .. sasinp:: VSLEXP (K) :location: 4174-4183 :units: m/K Length times thermal expansion coefficient for the K element or compressible volume. Used to represent the vessel wall for the control rod drive thermal expansion feedback calculation. **COMPONENT-TO-COMPONENT HEAT TRANSFER** .. sasinp:: HABYBY (K,IBYP) :location: 4184-4215 :units: W/m-K Heat transfer coefficient x area per unit height for bypass channel-bypass channel heat transfer. Dimensions (4,4). See `IBYBY`\. .. sasinp:: HAELHT (K) :location: 4216-4245 :units: W/m-K Heat transfer coefficient x area per unit length for heat transfer from wall of liquid element `IELHT`\ (K) to liquid in compressible volume `IELHT2`\ (K). For heat transfer from compressible volume to compressible volume, `HAELHT` is h x area. **RVACS** .. sasinp:: XLRVC (IRVC) :location: 4246-4251 :units: m Length of RVACS section. Used only if section K is a compressible volume. .. sasinp:: PERVAC (IRVC) :location: 4252-4257 :units: m RV perimeter. **TABLE RVACS** .. sasinp:: RVHTAB (K) :location: 4258-4269 Table of h vs T. .. sasinp:: RVHTMP (K) :location: 4270-4281 T for RVHTAB table. **DETAILED RVACS** .. sasinp:: EPSRV (IRVC) :location: 4258-4263 Emissivity of reactor vessel. .. sasinp:: EPSGV (IRVC) :location: 4264-4269 Emissivity of guard vessel inner surface. .. sasinp:: PERGV (IRVC) :location: 4270-4275 Perimeter, GV-air. .. sasinp:: PERFS (IRVC) :location: 4276-4281 Perimeter, finned shell inner surface - air. **TIME STEP CONTROLS** .. sasinp:: EPSF :location: 4282 Maximum fractional change in a liquid segment flow rate per PRIMAR time step. .. sasinp:: EPSFC :location: 4283 Maximum fractional change in core inlet flow rate per PRIMAR time step. **STEADY-STATE INITIALIZATION** .. sasinp:: DTIHX (IIHX) :location: 4284-4287 Steady state temperature drop across IHX (primary side). Used only if `ISSIHX` > 0. .. sasinp:: DHPMP (IPMP) :location: 4288-4299 Steady state pump head. Used only if ISSPMP > 0. **BYPASS CHANNEL HEAT TRANSFER CORRELATIONS** .. sasinp:: C1BY2 :location: 4300 Second coefficient set for bypass channel heat transfer coefficient. .. sasinp:: C2BY2 :location: 4301 See `C1BY2`. .. sasinp:: C3BY2 :location: 4302 See `C1BY2`. .. sasinp:: C1BY3 :location: 4303 Third coefficient set for bypass channel heat transfer coefficient. .. sasinp:: C2BY3 :location: 4304 See `C1BY3`. .. sasinp:: C3BY3 :location: 4305 See `C1BY3`. .. sasinp:: C1BY4 :location: 4306 Fourth coefficient set for bypass channel heat transfer coefficient. See `IHTBYB`, `IHTBYD`, and `C1BY`. .. sasinp:: C2BY4 :location: 4307 See `C1BY4`. .. sasinp:: C3BY4 :location: 4308 See `C1BY4`. **IHX HEAT TRANSFER CORRELATIONS** See `C1IHX`, `C2IHX`, and `C3IHX`. .. sasinp:: C1IHXT :location: 4309 Heat transfer correlation coefficients for the tube side of an HX. .. sasinp:: C2IHXT :location: 4310 Heat transfer correlation coefficients for the tube side of an HX. .. sasinp:: C3IHXT :location: 4311 Heat transfer correlation coefficients for the tube side of an HX. .. sasinp:: C4IHXT :location: 4312 Heat transfer correlation coefficients for the tube side of an HX. .. _PMR4IN annular inputs: **ANNULAR ELEMENTS** .. sasinp:: WALMC2 (IAEL) :location: 4313-4342 :units: J/m-K Second wall mass x heat capacity / length for annular element IAEL. .. sasinp:: WALLH2 (IAEL) :location: 4343-4372 :units: W/m^2-K Second wall heat transfer coefficient. .. sasinp:: PERWL2 (IAEL) :location: 4373-4402 :units: m Second wall perimeter. **RVACS, CONTINUED** .. sasinp:: TAIRVC :location: 4403 :units: K Air inlet temperature. When using the detailed RVACS model, the air property correlations are valid between 255.4 K and 1088.7 K. Ignored if :sasinp:`IDRVACSTin` > 0. .. sasinp:: ZBRVC :location: 4404 :units: m Z at bottom of RVACS. **THE FOLLOWING RVACS INPUT IS ONLY FOR THE DETAILED MODEL** .. sasinp:: C1RV :location: 4405 Heat transfer correlation coefficient for air in the RVACS. .. sasinp:: C2RV :location: 4406 Heat transfer correlation coefficient for air in the RVACS. .. sasinp:: C3RV :location: 4407 Heat transfer correlation coefficient for air in the RVACS. See C1, C2, C3. .. sasinp:: XLAIRV :location: 4408 :units: m Length of air inlet section. .. sasinp:: DHAIRV :location: 4409 :units: m Dh, air inlet section. .. sasinp:: AARIRV :location: 4410 :units: m^2 Area, air inlet section. .. sasinp:: XLAORV :location: 4411 :units: m Length of air outlet (stack). .. sasinp:: DHAORV :location: 4412 :units: m Dh, stack. .. sasinp:: AARORV :location: 4413 :units: m^2 Area, stack .. sasinp:: AIRARV (IRVC) :location: 4414-4419 :units: m^2 Air flow area, GV-FS. .. sasinp:: AIRAR2 (IRVC) :location: 4420-4425 :units: m^2 Air flow area, FS - concrete wall. .. sasinp:: PERGVO (IRVC) :location: 4426-4431 :units: m Perimeter for radiation from guard vessel outer surface to outer shell inner surface. .. sasinp:: PERFSI (IRVC) :location: 4432-4437 Not currently used. .. sasinp:: PERFSO (IRVC) :location: 4438-4443 :units: m Perimeter for radiation from finned shell outer surface to outer wall, also finned shell outer surface to air. .. sasinp:: HGASRV (IRVC) :location: 4444-4449 :units: W/m^2-K Gas h, RV - GV. .. sasinp:: SLRVC (IRVC) :location: 4450-4455 Slope: | = 0, Vertical. | = 1, Horizontal. .. sasinp:: HFSRV (IRVC) :location: 4456-4461 :units: W/m^2-K Heat transfer coefficient across finned shell. .. sasinp:: HCONRV (IRVC) :location: 4462-4467 :units: W/m^2-K Heat transfer coefficient between concrete nodes. **COMPONENT - COMPONENT HEAT TRANSFER** .. sasinp:: CPCPMP (K) :location: 4468-4497 Multiplicity for component - component heat transfer, default = 1.0. **RVACS** .. sasinp:: GVMC (IRVC) :location: 4498-4503 :units: J/m-K Mass x specific heat / length, guard vessel. .. sasinp:: FSMCI (IRVC) :location: 4504-4509 :units: J/m-K MC/L, finned shell inner node. .. sasinp:: FSMCO (IRVC) :location: 4510-4515 :units: J/m-K MC/L, FS outer node. .. sasinp:: CRMCI (IRVC) :location: 4516-4521 :units: J/m-K MC/L, concrete inner node. .. sasinp:: CRMCO (IRVC) :location: 4522-4527 :units: J/m-K MC/L, concrete outer node. .. sasinp:: TW6RV (IRVC) :location: 4528-4533 :units: K Temperature of outer wall node. .. sasinp:: EPSFS :location: 4534 Emissivity, finned shell outer surface. .. sasinp:: SIGSTB :location: 4535 :units: W/m^2-K Stefan-Boltzmann constant. Suggested value: 5.672E-8. .. sasinp:: RW5RV :location: 4536 :units: m^2-K/W Thermal resistance between surface of outer wall and inner node (node 5). .. sasinp:: REYTRV :location: 4537 Reynolds number for transition from laminar to turbulent in air. Overwritten by the code. See :eq:`eq-5.4-98`. .. sasinp:: AFRTRV :location: 4538 Turbulent friction factor = `AFRTRV`\ \*Re\*\*\ `BFRTRV`\ . .. sasinp:: AFRLRV :location: 4539 Laminar friction factor = `AFRLRV`\ /Re. .. sasinp:: ORFIN :location: 4540 Inlet orifice coefficient. Ignored if :sasinp:`IDRVACSKin` > 0. .. sasinp:: XLUNRV :location: 4541 :units: m Length of upper node between liquid level and top of vessel. .. sasinp:: BFRTRV :location: 4542 Turbulent friction factor parameter, see `AFRTRV`\ . .. sasinp:: UNGVMC :location: 4543 :units: J/m-K MC/L for GV in upper node. .. sasinp:: UNFSMC :location: 4544 :units: J/m-K MC/L for FS inner node in upper node. .. sasinp:: AIRAUN :location: 4545 :units: m^2 Air flow area, upper node. .. sasinp:: EPSOW :location: 4546 Emissivity, outer wall. .. sasinp:: EPSGVO (IRVC) :location: 4547-4552 Emissivity, guard vessel outer surface. .. sasinp:: EPSFSI (IRVC) :location: 4553-4558 Emissivity, finned shell inner surface. **CHECK VALVE TABLES** .. sasinp:: CKVORF (K,ICKV) :location: 4559-4618 Check valve coefficient table. Dimensions: 10,6. .. sasinp:: CKVFLO (K,ICKV) :location: 4619-4678 Check valve normalized flow. Dimension: 10,6. **DEGREE OF IMPLICITNESS** .. sasinp:: THT2CV :location: 4679 Minimum degree of implicitness for a compressible volume for liquid flow rate calculations. Suggested values: 0.5 for rapid transients, 0.75 for slow transients **PUMP CAVITATION** .. sasinp:: CPC0 :location: 4680 Pump cavitation coefficients required net positive suction head = S\*S(\ `CPC0`\ + `CPC1`\ \*Z+\ `CPC2`\ \*Z\ :sup:`2`\ +\ `CPC3`\ \*Z\ :sup:`3`\ +\ `CPC4`\ \*Z\ :sup:`4`). Z = W/S W = normalized flow S = normalized pump speed Typical values for FFTF: | `CPC0` = 457,488 | `CPC1` = -2,161,072 | `CPC2` = 4,266,337 | `CPC3` = -3,636,676 | `CPC4` = 1,141,003 .. sasinp:: CPC1 :location: 4681 See `CPC0`. .. sasinp:: CPC2 :location: 4682 See `CPC0`. .. sasinp:: CPC3 :location: 4683 See `CPC0`. .. sasinp:: CPC4 :location: 4684 See `CPC0`. **MULTIPLE INLET/OUTLET PLENA** .. sasinp:: TPLCV (ICV) :location: 4685-4722 :units: K Temperature of volume ICV. Entered only for inlet plena to core or bypass channels. Not required for `IFMIOP` = 0. .. sasinp:: PPLCV (ICV) :location: 4723-4760 :units: Pa Pressure of volume ICV. Entered only for outlet plena to core or bypass channels. Not required for `IFMIOP` = 0. .. sasinp:: ZPLENC (ICV) :location: 4761-4798 :units: m Reference elevation for volume ICV. Entered only for inlet and outlet plena for core and bypass channels. (\ `ZPLENL` and `ZPLENU` are set from `ZPLENC` in the channel subroutines). Not required for `IFMIOP` = 0. **ELEMENT/WALL THERMAL ADJUSTMENT** .. sasinp:: WALTHK (IELL) :location: 4799-4938 :units: m Element wall thickness, used only if `ITHPEN` > 0. .. sasinp:: THKWAL (ICV) :location: 4939-4976 :units: m Compressible volume wall thickness, used only if `ITHPEN` > 0. .. sasinp:: TAUPEN :location: 4977 :units: s Time constant for thermal penetration depth adjustments to wall thermal treatments, used only if `ITHPEN` > 0. .. sasinp:: WALTH2 (IAEL) :location: 4978-5007 :units: m Annular element second wall thickness, used only if `ITHPEN` > 0. **STRATIFIED COMPRESSIBLE VOLUME** .. sasinp:: RCORE :location: 5008 :units: m Core radius for use in the Richardson number. .. sasinp:: HCSTWL (IW) :location: 5009-5017 :units: W/m^2-K Coolant heat transfer coefficient at the inner surface of the wall section. .. sasinp:: HCSTW2 (IW) :location: 5018-5026 :units: W/m^2-K Coolant heat transfer coefficient at the outer surface of the wall section. .. sasinp:: ASTWL (IW) :location: 5027-5035 :units: m^2 Area of the wall section. .. sasinp:: HINVWL (I,IW) :location: 5036-5107 :units: m^2-K/W Thickness/thermal conductivity of node I in the wall section. I = 1 - 8. .. sasinp:: XMCSTW (I,IW) :location: 5108-5179 :units: J/K Mass x heat capacity of node I in the wall. .. sasinp:: ZINST (ICVST) :location: 5180-5182 :units: m Z of inlet, used only for a vertical wall. Otherwise `ZOUTEL`\ (IELL) is used. .. sasinp:: VOLBLI (ICVST) :location: 5183-5185 :units: m^3 Volume below the inlet, not used if there is a cover gas in the CV. In this case, the information is obtained from other input for the CV. .. sasinp:: EPSTST (ICVST) :location: 5186-5188 :units: K Minimum temperature difference for switching stages. .. sasinp:: XLENTR (ICVST) :location: 5189-5191 :units: m Entrainment length. A hot plume with a flow rate WH, rising through a cool layer of thickness DZ, will entrain cool liquid at a rate (DZ/\ `XLENTR`\ ) \* WH. **PARAMETRIC TWO-REGION IHX MODEL** .. sasinp:: DTSIHX (IIHX) :location: 5192-5195 :units: K Initial temperature difference between regions in parametric two-region IHX model for `IHXCLC`\ (IIHX) < 0 and `DTMPTB`\ (1) = 1.0. .. sasinp:: VSIHX1 (IIHX) :location: 5196-5199 :units: m^3 First region volume in parametric two-region IHX model for `IHXCLC`\ (IIHX) < 0 and `DTMPTB`\ (1) = 1.0. .. sasinp:: VSIHX2 (IIHX) :location: 5200-5203 :units: m^3 Second region volume in parametric two-region IHX model for `IHXCLC`\ (IIHX) < 0 and `DTMPTB`\ (1) = 1.0. **THICK-WALLED PIPES** .. sasinp:: TPWMC (L,K) :location: 5204-5243 :units: J/m-K Mass\*heat capacity/length for wall node L+1 of thick-walled pipe K. Dimensions (4,10). Note: Use `WALLMC`\ (IELL) for node 1. .. sasinp:: TPWH (L,K) :location: 5244-5283 :units: W/m^2-K Thermal conductivity/node thickness for node L+1 of thick walled pipe K. Dimensions (4,10). Note: Use `WALLH`\ (IELL) for node 1 for h from the mid-point of the first wall node to the wall surface. **STEADY-STATE INITIALIZATION** .. sasinp:: TCVSSI (II) :location: 5284-5293 :units: K Steady-state coolant temperature in compressible volume `ICVSSI`\ (II). .. sasinp:: PCVSSI (II) :location: 5294-5303 :units: Pa Steady-state liquid pressure in compressible volume `ICVSSI`\ (II). **Detailed Air Dump Heat Exchanger Model** `IADHX`\ (IDHX) > 0 Not currently used. .. sasinp:: EFFIN (IDHX) :location: 5304-5307 :units: m Fin height. Not currently used .. sasinp:: FINTHK (IDHX) :location: 5308-5311 :units: m Fin thickness. Not currently used. .. sasinp:: SPFIN (IDHX) :location: 5312-5315 :units: m Center-to-center spacing between fins. Not currently used. .. sasinp:: XLTUBE (IDHX) :location: 5316-5319 :units: m Tube spacing parallel to flow. Not currently used. .. sasinp:: XTTUBE (IDHX) :location: 5320-5323 :units: m Tube spacing perpendicular to the flow. Not currently used. .. sasinp:: DMP4IN :location: 5324-5500 Not currently used.