modeldata_RCTR

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Parameters

TypeNameDefaultDescription
SI.PowerQ_nominal750e6Nominal power of reactor
SI.PowerQ_nominal_fuelcellQ_nominal/nFcellsApproximate nominal power output per fuel cell
SI.TemperatureT_inlet_corefrom_degF(1050)Inlet core temperature
SI.TemperatureT_outlet_corefrom_degF(1250)Outlet core temperature
SI.SpecificHeatCapacitycpTRANSFORM.Media.Fluids.FLiBe.Utilities_12Th_05U.cp_T(0.5*(T_inlet_core + T_outlet_core))Heat capacity of PFL fluid
SI.TemperatureDifferencedT_coreQ_nominal/(m_flow*cp)Expected temperature difference across core
SI.Velocityvs_reflA_coreTRANSFORM.Units.Conversions.Functions.Velocity_m_s.from_feet_s(7)Velocity of fueled and control rod cells region in top axial reflector
SI.Velocityvs_reflA_reflRTRANSFORM.Units.Conversions.Functions.Velocity_m_s.from_feet_s(1)Velocity of radial reflector region in top axial reflector
SI.MassFlowRatem_flowfrom_lbm_hr(6*6.6e6)Total mass flow rate through reactor
RealnFcells357# of normal fueled cells
RealnCRcells6# of control rod cells
RealnCellsnFcells + nCRcells# of core cells total
IntegernIntG_A2# of internal graphite-A per cell
IntegernIntG_B3# of internal graphite-B per cell
SI.Lengthperimeter_intG_Afrom_inch(21.7354)Internal graphite-A perimeter
SI.Lengthperimeter_intG_Bfrom_inch(21.8234)Internal graphite-A perimeter
SI.AreacrossArea_intG_Afrom_inch2(16.4265)Internal graphite-A cross-sectional area
SI.AreacrossArea_intG_Bfrom_inch2(16.4622)Internal graphite-A cross-sectional area
IntegernSpacer28# of spacers per cell
SI.Lengthdiameter_spacerfrom_inch(0.142)Spacer diameter
SI.AreacrossArea_spacer0.25*pi*diameter_spacer^2Spacer cross-sectional area
SI.Lengthperimeter_inner_emptyfrom_inch(36.0108 + 8*pi*1.5*(18.02/360))perimeter of empty inner cell region
SI.AreacrossArea_inner_emptyfrom_inch2(93.2048)crossArea of empty inner cell region
SI.AreacrossArea_extGfrom_inch2(11.43^2) - crossArea_inner_emptyCross area of external graphite box per cell
SI.AreacrossArea_outer_emptyfrom_inch2(7.952)Cross-sectional flow area of outer region of a non-repeated graphite box (approximated from CAD)
SI.AreacrossArea_extG_wholefrom_inch2(14.343^2) - crossArea_outer_empty - crossArea_inner_emptyCross area of external graphite box whole box (calculated from CAD) - i.e., little extra bit between fuel cells and inner radial reflector
IntegernfG5 + 2# of characteristic graphite slabs in fueled cell
SI.Lengthlength_fGcrossArea_fG/(nfG*width_fG)Characteric length of graphite slabs in fueled cell
SI.Lengthwidth_fGfrom_inch(1.763)Characteric width of graphite slabs in fueled cell
SI.AreacrossArea_fGcrossArea_extG + nIntG_A*crossArea_intG_A + nIntG_B*crossArea_intG_BCross-sectional area of graphite per fueled cell
SI.Lengthperimeter_fperimeter_inner_empty + nIntG_A*perimeter_intG_A + nIntG_B*perimeter_intG_B + nSpacer*pi*diameter_spacerWetted perimeter of fueled cell
SI.AreacrossArea_fcrossArea_inner_empty - nIntG_A*crossArea_intG_A - nIntG_B*crossArea_intG_B - nSpacer*crossArea_spacerCross-sectional flow area of fueled cell
SI.Lengthperimeter_crG_innerfrom_inch(36.8873 + pi*7.0)Wetted perimeter of control rod cell inner graphite
SI.AreacrossArea_crG_innerfrom_inch2(87.8893) - 0.25*pi*from_inch(7.0)^2Cross-sectional area of control rod cell inner graphite
SI.AreacrossArea_crGcrossArea_extG + crossArea_crG_innerCross-sectional area of control rod cell graphite
SI.Lengthperimeter_crperimeter_inner_empty + perimeter_crG_innerWetted perimeter of control rod cell (no control rod)
SI.AreacrossArea_crcrossArea_inner_empty - crossArea_crG_innerCross-sectional flow area of control rod cell (no control rod)
SI.Lengthperimeter_crRodfrom_inch(4*(2*2.375 + pi*0.375 + 0.5*pi*0.125))Wetted perimeter of control rod
SI.AreacrossArea_crRodfrom_inch2(4*(0.5*pi*0.375^2 + 2.375*0.75 + 0.25*(1.0 - pi*0.125^2)))Cross-sectional area of control rod
SI.Lengthperimeter_crRod_innerfrom_inch(4*(2*2.375 + pi*0.25 + 0.5*pi*0.25))Alloy-N - Boron carbide interface perimeter of control rod
SI.AreacrossArea_crRod_BCfrom_inch2(4*(0.5*pi*0.25^2 + 2.375*0.5 + 0.25*(1.0 - pi*0.25^2)))Cross-sectional area of Boron carbide in control rod
SI.AreacrossArea_crRod_alloyNcrossArea_crRod - crossArea_crRod_BCCross-sectional area of alloy-N in control rod
SI.Lengthlength_cellsfrom_feet(21)Length of cells (fueled and control rod)
SI.Lengthlength_crRodlength_cells - from_feet(3)Length of control rods
SI.Volumevolume_fGcrossArea_fG*length_cellsVolume of graphite per fueled cell
SI.Volumevolume_fcrossArea_f*length_cellsVolume of fluid per fueled cell
SI.Volumevolume_crGcrossArea_crG*length_cellsVolume of graphite per control rod cell
SI.Volumevolume_crcrossArea_cr*length_cellsVolume of fluid per control rod cell
SI.Volumevolume_crRodcrossArea_crRod*length_crRodVolume of each control rod
SI.Volumevolume_crRod_BCcrossArea_crRod_BC*length_crRodVolume of boron carbide per control rod
SI.Volumevolume_crRod_alloyNcrossArea_crRod_alloyN*length_crRodVolume of alloy-N per control rod
IntegernRegions8Number of identiical radial reflector regions
SI.Lengthperimeter_reflR_innerfrom_inch(8*(2*12 + 2*24) + 2*(1.33 + 25.977 + 11.271 + 24))Wetted perimeter of inner radial reflector per region
SI.AreacrossArea_reflR_innerGfrom_inch2(8*(12*24) + 2*(151.208))Cross-sectional area of the inner graphite radial reflector per region
SI.AreacrossArea_reflR_innerfrom_inch2(2641.35) - crossArea_reflR_innerG + 5.25*0.25*crossArea_outer_emptyCross-sectional flow area around the inner graphite radial reflector per region
SI.Lengthperimeter_reflR_outerfrom_inch(2*59.9877 + 156.727*45*pi/180)Wetted perimeter of outer radial reflector per region
SI.AreacrossArea_reflR_outerGfrom_inch2(0.5*156.727^2*45*pi/180 - 0.5*119.843*156.727*cos(45*pi/180/2)) + from_inch2(11.1156)Cross-sectional area of the outer graphite radial reflector per region
SI.AreacrossArea_reflR_outerfrom_inch2(0.5*156.789^2*45*pi/180 - 0.5*120.001*156.789*cos(45*pi/180/2)) + from_inch2(25.2654) - crossArea_reflR_outerGCross-sectional flow area around the outer graphite radial reflector per region
SI.AreacrossArea_reflRcrossArea_reflR_inner + crossArea_reflR_outerTotal cross-sectional flow area of axial graphite reflector per region
SI.Lengthperimeter_reflRperimeter_reflR_inner + perimeter_reflR_outerTotal wetted perimeter of axial graphite reflector per region
SI.Lengthlength_reflR_innerfrom_feet(21)Length of inner reflector
SI.Lengthlength_reflR_outerfrom_feet(21)Length of outer reflector
SI.Lengthlength_reflR0.5*(length_reflR_inner + length_reflR_outer)Characteristic length of radial reflector
SI.Volumevolume_reflR_innerGcrossArea_reflR_innerG*length_reflR_innerVolume of graphite in inner radial reflector per region
SI.Volumevolume_reflR_innercrossArea_reflR_inner*length_reflR_innerVolume of fluid in inner radial reflector per region
SI.Volumevolume_reflR_outerGcrossArea_reflR_outerG*length_reflR_outerVolume of graphite in outer radial reflector per region
SI.Volumevolume_reflR_outercrossArea_reflR_outer*length_reflR_outerVolume of fluid in outer radial reflector per region
SI.Volumevolume_reflR_Gvolume_reflR_innerG + volume_reflR_outerGTotal volume of graphite in radial reflector per region
SI.Volumevolume_reflRvolume_reflR_inner + volume_reflR_outerTotal volume of fluid in radial reflector per region
SI.Lengthlength_reflR_blockGfrom_inch(24)length of reflR block
SI.Lengthwidth_reflR_blockGfrom_inch(12)width of reflR block
SI.Volumevolume_reflR_blockGlength_reflR_blockG*width_reflR_blockG*length_reflRVolume of characteristic radial reflector block
Realn_reflR_blockGvolume_reflR_G/volume_reflR_blockG# of characteristic blocks of graphite in radial reflector per region
IntegernAs2# of axial reflectors
IntegernARs13# of axial reflector rings
SI.Lengthlength_reflAfrom_inch(48)Vertical length of each axial reflector
SI.Lengthlength_reflA_edgefrom_inch(42)Vertical length to start edge of each axial reflector
SI.Lengthradius_reflAfrom_inch(311/2)Radius of each axial reflector
SI.Lengthradius_reflA_edgefrom_inch(156/2)Radius to start edge of each axial reflector
SI.Lengthlength_reflA_ring_cellradius_reflA/nARsLength of ring unit cell
SI.Length[nARs + 1]width_reflA_channelfrom_inch({0.14, 0.14, 0.22, 0.25, 0.24, 0.24, 0.22, 0.20, 0.16, 0.16, 0.11, 0.07, 0.03, 0.02})Width of channels between axial reflector blocks
SI.Length[nARs]length_reflA_ringfrom_inch({48, 48, 48, 48, 48, 48, 48, 42, 36, 30, 24, 18, 12})Vertical length of each axial reflector ring
Integer[nARs]nGaps{0, 3, 4, 8, 8, 12, 12, 12, 12, 12, 12, 12, 12}# of gaps in each axial reflector ring
SI.Volumevolume_reflA_regpi*radius_reflA_edge^2*(length_reflA_edge) + 0.5*pi*length_reflA_edge*(radius_reflA^2 - radius_reflA_edge^2) + pi*radius_reflA^2*(length_reflA - length_reflA_edge)Volume of each axial reflector region (no fuel channels) - approximate for checking
SI.Length[nARs + 1]rs_ring_cellcat(1, {0}, {rs_ring_cell[i - 1] + length_reflA_ring_cell for i in 2:nARs + 1})Radial position of axial reflector ring unit cells
SI.Length[nARs]rs_ring_edge_inner{rs_ring_cell[i] + 0.5*width_reflA_channel[i] for i in 1:nARs}Radial position of the inner edge of each axial reflector graphite ring
SI.Length[nARs]rs_ring_edge_outer{rs_ring_cell[i + 1] - 0.5*width_reflA_channel[i + 1] for i in 1:nARs}Radial position of the outer edge of each axial reflector graphite ring
SI.Length[2*nARs]rs_ring_edge{if rem(i, 2) == 0 then rs_ring_edge_outer[integer(i/2)] else rs_ring_edge_inner[integer((i + 1)/2)] for i in 1:2*nARs}Radial position of each graphite ring edge
SI.Length[nARs]width_reflA_blocks{rs_ring_edge_outer[i] - rs_ring_edge_inner[i] for i in 1:nARs}Width of graphite blocks in each axial reflector ring
SI.Length[nARs]perimeters_reflA_ring{2*pi*rs_ring_edge_inner[i] - nGaps[i]*width_reflA_channel[i + 1] + 2*nGaps[i]*width_reflA_blocks[i] + 2*pi*rs_ring_edge_outer[i] - nGaps[i]*width_reflA_channel[i + 1] for i in 1:nARs}Wetted perimeter of graphite for each axial reflector ring
SI.Area[nARs]crossAreas_reflA_ring_radial{if i == 1 then rs_ring_edge[i]^2*pi else pi*(rs_ring_edge[integer(2*i - 1)]^2 - rs_ring_edge[integer(2*(i - 1))]^2) for i in 1:nARs} Cross-sectional flow area(excluding gaps in ring) of each ring
SI.Area[nARs]crossAreas_reflA_ring_gaps{nGaps[i]*width_reflA_blocks[i]*width_reflA_channel[i + 1] for i in 1:nARs}Cross-sectional flow area of gaps within each ring each axial reflector ring
SI.Area[nARs]crossAreas_reflA_ringcrossAreas_reflA_ring_gaps + crossAreas_reflA_ring_radialCross-sectional flow area in each axial reflector ring
SI.Area[nARs]crossAreas_reflA_ringG{(rs_ring_edge_outer[i]^2 - rs_ring_edge_inner[i]^2)*pi - crossAreas_reflA_ring_gaps[i] for i in 1:nARs}Cross-sectional area of graphite in each axial reflector ring
SI.AreacrossArea_reflA_ringsum(crossAreas_reflA_ring)Total cross-sectional flow area in each axial reflector
SI.AreacrossArea_reflA_ringGsum(crossAreas_reflA_ringG)Total cross-sectional area of graphite in each axial reflector
SI.Lengthperimeter_reflA_ringsum(perimeters_reflA_ring)Total wetted perimeter of graphite in each axial reflector
Realn_reflA_ringGvolume_reflA_ringG/(length_reflA*crossAreas_reflA_ringG[6]/nGaps[6])# of characteristic graphite pieces in ring - assumed based on ring 6
SI.Angleangle_reflA_ring_blockGSI.Conversions.from_deg(29.8085)Angle to conserve volume of graphite (removes small spacing between graphite blocks within ring)
SI.Volume[nARs]volumes_reflA_ringcrossAreas_reflA_ring.*length_reflA_ringVolume of fluid in each axial reflector ring
SI.Volume[nARs]volumes_reflA_ringGcrossAreas_reflA_ringG.*length_reflA_ringVolume of graphite in each axial reflector ring
SI.Volumevolume_reflA_ringsum(volumes_reflA_ring)Total volume of fluid in each axial reflector
SI.Volumevolume_reflA_ringGsum(volumes_reflA_ringG)Total volume of graphite in each axial reflector
SI.AreacrossArea_plenumfrom_inch2(0.25*pi*156^2)Cross-sectional area of each plenum
SI.Lengthlength_plenumfrom_inch(18)Vertical length of each plenum, assume whole cylinder
SI.Volumevolume_plenumcrossArea_plenum*length_plenumApproximate volume of each plenum
SI.AreacrossArea_tee_inletfrom_inch2(0.25*pi*28^2)Cross-sectional area of the inlet tee
SI.Lengthlength_tee_inletfrom_inch(42)Vertical length of the inlet tee
SI.Volumevolume_tee_inletcrossArea_tee_inlet*length_tee_inletVolume of the inlet tee
SI.Lengthdiameter_tee_pipefrom_inch(12)Diameter of pipe into the inlet tee
SI.Lengthdiameter_pipe_draintankfrom_inch(6)Diameter of pipe between the inlet tee and drain tank
SI.AreacrossArea_tee_overflowfrom_inch2(0.25*pi*18^2)Cross-sectional area of the pump overflow that enters the top of the reactor
SI.Lengthlength_tee_overflowfrom_inch(24)Vertical length of the pump overflow
SI.Volumevolume_tee_overflowcrossArea_tee_overflow*length_tee_overflowVolume of the pump overflow
SI.Lengthdiameter_pipe_overflowfrom_inch(6)Diameter of pump overflow pipe
SI.Lengthdiameter_pumpPipe_inletfrom_inch(17)Diameter of pipe leaving reactor and entering pump
StringMaterial_rtr_wall"Alloy-N"Material of reactor vessel
SI.Lengthth_rtr_wallfrom_inch(2)Thickness of reactor vessel wall
SI.Lengthradius_rtr_outerfrom_inch(318/2)Outer radius of reactor vessel
SI.LengthD_pumpbowlfrom_inch(48)Diameter of pump bowl - guess
SI.Lengthlength_pumpbowlfrom_inch(48)Vertical height of pumpbowl
SI.AreacrossArea_pumpbowl0.25*pi*D_pumpbowl^2Cross-sectional area of pumpbowl
SI.Volumevolume_pumpbowlcrossArea_pumpbowl*length_pumpbowlTotal pumpbowl volume
SI.Lengthlevel_pumpbowlnominalfrom_inch(24)Nominal level of fluid in pumpbowl
SI.Volumevolume_pumpbowlnominalcrossArea_pumpbowl*level_pumpbowlnominalNominal fluid volume of pumpbowl