(100 - 103) STEAM DRUM (LHS)
Two steam drums on Side A of the reactor will be modeled as one separator. The drums are actually horizontal cylinders, but the prevailing flow direction is vertical.
CARD CCC0000, COMPONENT NAME AND TYPE
Card 1000000
W1(A) COMPONENT NAME = lsds1
W2(A) COMPONENT TYPE = branch
CARD CCC0001, BRANCH INFORMATION
Card 1000001
W1(I) NUMBER OF JUNCTIONS = 2
W2(I) INITIAL CONDITION CONTROL FLAG = 0
Velocities will be assumed for the first and second words on card CCCN201.
CARD CCC0101 - CCC0109, BRANCH VOLUME GEOMETRY
Card 1000101
W1(R) VOLUME FLOW AREA = 0.0
The volume flow area will be calculated by RELAP5.
W2(R) LENGTH OF VOLUME = 0.6 m
W3(R) VOLUME OF VOLUME = 58.588426 m3
W4(R) AZIMUTHAL ANGLE = 0.0
This value is not currently used by RELAP5.
W5(R) INCLINATION ANGLE = 90°
Indicates a vertical volume with flow positively valued.
W6(R) ELEVATION CHANGE = 0.6 m
W7(R) WALL ROUGHNESS = 4.57e-5 m
Commercial steel surface (Ref. [ 3 ], p. 7-6).
W8(R) HYDRAULIC DIAMETER = 0.0
W9(I) VOLUME CONTROL FLAGS (pvbfe) = 01000
p = 0 The water packing scheme will be used.
v = 1 The vertical stratification model will not be used.
b = 0 The pipe interphase friction model will be applied.
f = 0 Wall friction effects will be computed.
e = 0 The nonequilibrium calculation will be used.
CARD CCC0200, BRANCH VOLUME INITIAL CONDITIONS
Card 1000200
W1(I) CONTROL WORD (e b t).
e This digit specifies the fluid
b This digit specifies the boron
t This digit specifies how the following words are to be used to determine the initial thermodynamic state, if t=0 the next four words are interpreted as pressure, liquid specific internal energy, vapor specific internal energy and vapor void fraction.
W2(R)-W6(R) QUANTITIES AS DESCRIBED UNDER WORD 1 (W1).
PRESSURE = 6695928.0 Pa
LIQUID SPECIFIC INTERNAL ENERGY = 1242704.0 J/kg
VAPOR SPECIFIC INTERNAL ENERGY = 2584266. 0 J/kg
VAPOR VOID FRACTION = 1.0
CARD CCCN101, BRANCH JUNCTION GEOMETRY
Card 1001101
W1(I) FROM CONNECTION = 100010000
From the steam outlet of the steam drum.
W2(I) TO CONNECTION = 170000000
To the inlet side of the steam line.
W3(R) JUNCTION AREA = 0.907
Sets the area to the minumum volume area of the adjoining volumes.
W4(R) FORWARD FLOW ENERGY LOSS COEFFICIENT = 2.3
W5(R) REVERSE FLOW ENERGY LOSS COEFFICIENT = 2.8
W6(I) JUNCTION CONTROL FLAGS (fvcahs) = 000000
f = 0 The CCFL model will not be applied.
v = 0 The horizontal stratification model will not be applied.
c = 0 The choking model will be applied.
a = 0 The smooth area change option will be used.
h = 0 The nonhomogeneous option will be used.
s = 0 This is a normal junction.
CARD CCCN101, BRANCH JUNCTION GEOMETRY
Card 1002101
W1(I) FROM CONNECTION = 101010000
From the outlet of the steam drum part with submerged perforated sheet.
W2(I) TO CONNECTION = 100000000
To the steam inlet of the steam drum.
W3(R) JUNCTION AREA = 138.49
Sets the area to the minumum volume area of the adjoining volumes.
W4(R) FORWARD FLOW ENERGY LOSS COEFFICIENT = 0.0
W5(R) REVERSE FLOW ENERGY LOSS COEFFICIENT = 0.0
W6(I) JUNCTION CONTROL FLAGS (fvcahs) = 000000
f = 0 The CCFL model will not be applied.
v = 0 The horizontal stratification model will not be applied.
c = 0 The choking model will be applied.
a = 0 The smooth area change option will be used.
h = 0 The nonhomogeneous option will be used.
s = 0 This is a normal junction.
CARD CCCN201, BRANCH JUNCTION INITIAL CONDITIONS
Cards 1001201, 1002201
W1(R) INITIAL LIQUID VELOCITY OR MASS FLOW = 31.7808 kg/s, -0.437792 kg/s
W2(R) INITIAL VAPOR VELOCITY OR MASS FLOW = 34.54585 kg/s, 0.444045 kg/s
W3(R) INTERFACE VELOCITY = enter 0 m/s.
CARD CCC0000, COMPONENT NAME AND TYPE
Card 1010000
W1(A) COMPONENT NAME = lsds2
W2(A) COMPONENT TYPE = snglvol
CARD CCC0101 - CCC0109, SINGLE-VOLUME GEOMETRY
Card 1010101
W1(R) VOLUME FLOW AREA = 0.0
The volume flow area will be calculated by RELAP5.
W2(R) LENGTH OF VOLUME = 1.25 m
Lengh of volume of the steam drum part with submerged perforated sheet.
W3(R) VOLUME OF VOLUME = 196.82 m3
Volume of the steam drum part with submerged perforated sheet.
W4(R) AZIMUTHAL ANGLE = 0.0
This value is not currently used by RELAP5.
W5(R) INCLINATION ANGLE = 90°
Indicates a vertical volume with flow positively valued.
W6(R) ELEVATION CHANGE = 1.25 m
W7(R) WALL ROUGHNESS = 4.57e-5 m
Commercial steel surface (Ref. [ 3 ], p. 7-6).
W8(R) HYDRAULIC DIAMETER = 0.0
W9(I) VOLUME CONTROL FLAGS (pvbfe) = 01000
p = 0 The water packing scheme will be used.
v = 1 The vertical stratification model will not be used.
b = 0 The pipe interphase friction model will be applied.
f = 0 Wall friction effects will be computed.
e = 0 The nonequilibrium calculation will be used.
CARD CCC0200, SINGLE-VOLUME INITIAL CONDITIONS
Card 1010200
W1(I) CONTROL WORD (e b t).
e This digit specifies the fluid
b This digit specifies the boron
t This digit specifies how the following words are to be used to determine the initial thermodynamic state, if t=0 the next four words are interpreted as pressure, liquid specific internal energy, vapor specific internal energy and vapor void fraction.
W2(R)-W6(R) QUANTITIES AS DESCRIBED UNDER WORD 1 (W1).
PRESSURE = 6698348.0 Pa
LIQUID SPECIFIC INTERNAL ENERGY = 1242842.0 J/kg
VAPOR SPECIFIC INTERNAL ENERGY = 2584292. 0 J/kg
VAPOR VOID FRACTION = 0.509356
CARD CCC0000, COMPONENT NAME AND TYPE
Card 1020000
W1(A) COMPONENT NAME = lsds3
W2(A) COMPONENT TYPE = branch
CARD CCC0001, BRANCH INFORMATION
Card 1020001
W1(I) NUMBER OF JUNCTIONS = 3
W2(I) INITIAL CONDITION CONTROL FLAG = 0
Velocities will be assumed for the first and second words on card CCCN201.
CARD CCC0101 - CCC0109, BRANCH VOLUME GEOMETRY
Card 1020101
W1(R) VOLUME FLOW AREA = 0.0
The volume flow area will be calculated by RELAP5.
W2(R) LENGTH OF VOLUME = 0.4 m
W3(R) VOLUME OF VOLUME = 53.209483 m3
W4(R) AZIMUTHAL ANGLE = 0.0
This value is not currently used by RELAP5.
W5(R) INCLINATION ANGLE = -90°
Indicates a vertical volume with downward flow positively valued.
W6(R) ELEVATION CHANGE = -0.4 m
W7(R) WALL ROUGHNESS = 4.57e-5 m
Commercial steel surface (Ref. [ 3 ], p. 7-6).
W8(R) HYDRAULIC DIAMETER = 3.3609 m
This is the diameter of the part of steam drum, which connected to low water communication lines.
W9(I) VOLUME CONTROL FLAGS (pvbfe) = 01000
p = 0 The water packing scheme will be used.
v = 1 The vertical stratification model will not be used.
b = 0 The pipe interphase friction model will be applied.
f = 0 Wall friction effects will be computed.
e = 0 The nonequilibrium calculation will be used.
CARD CCC0200, BRANCH VOLUME INITIAL CONDITIONS
Card 1020200
W1(I) CONTROL WORD (e b t).
e This digit specifies the fluid
b This digit specifies the boron
t This digit specifies how the following words are to be used to determine the initial thermodynamic state, if t=0 the next four words are interpreted as pressure, liquid specific internal energy, vapor specific internal energy and vapor void fraction.
W2(R)-W6(R) QUANTITIES AS DESCRIBED UNDER WORD 1 (W1).
PRESSURE = 6701752.0 Pa
LIQUID SPECIFIC INTERNAL ENERGY = 1243049.0 J/kg
VAPOR SPECIFIC INTERNAL ENERGY = 2584313. 0 J/kg
VAPOR VOID FRACTION = 0.295124
CARD CCCN101, BRANCH JUNCTION GEOMETRY
Card 1021101
W1(I) FROM CONNECTION = 102010000
From the outlet of the steam drum part, which connected to low water communication lines.
W2(I) TO CONNECTION = 103000000
To the inlet side of the water part of steam drum.
W3(R) JUNCTION AREA = 112.19
Sets the area to the minumum volume area of the adjoining volumes.
W4(R) FORWARD FLOW ENERGY LOSS COEFFICIENT = 0.0
W5(R) REVERSE FLOW ENERGY LOSS COEFFICIENT = 0.0
W6(I) JUNCTION CONTROL FLAGS (fvcahs) = 001000
f = 0 The CCFL model will not be applied.
v = 0 The horizontal stratification model will not be applied.
c = 1 The choking model will not be applied.
a = 0 The smooth area change option will be used.
h = 0 The nonhomogeneous option will be used.
s = 0 This is a normal junction.
CARD CCCN101, BRANCH JUNCTION GEOMETRY
Card 1022101
W1(I) FROM CONNECTION = 101000000
From the inlet of the steam drum part with submerged perforated sheet.
W2(I) TO CONNECTION = 102000000
To the inlet of the steam drum part, which connected to low water communication lines.
W3(R) JUNCTION AREA = 148.91
Sets the area to the minumum volume area of the adjoining volumes.
W4(R) FORWARD FLOW ENERGY LOSS COEFFICIENT = 0.0
W5(R) REVERSE FLOW ENERGY LOSS COEFFICIENT = 0.0
W6(I) JUNCTION CONTROL FLAGS (fvcahs) = 001000
f = 0 The CCFL model will not be applied.
v = 0 The horizontal stratification model will not be applied.
c = 1 The choking model will not be applied.
a = 0 The smooth area change option will be used.
h = 0 The nonhomogeneous option will be used.
s = 0 This is a normal junction.
CARD CCCN101, BRANCH JUNCTION GEOMETRY
Card 1023101
W1(I) FROM CONNECTION = 165010000
From the low water communication lines.
W2(I) TO CONNECTION = 102000000
To the inlet of the steam drum part, which connected to low water communication lines.
W3(R) JUNCTION AREA = 6.519
Sets the area to the minumum volume area of the adjoining volumes.
W4(R) FORWARD FLOW ENERGY LOSS COEFFICIENT = 1.26
W5(R) REVERSE FLOW ENERGY LOSS COEFFICIENT = 1.26
W6(I) JUNCTION CONTROL FLAGS (fvcahs) = 001000
f = 0 The CCFL model will not be applied.
v = 0 The horizontal stratification model will not be applied.
c = 1 The choking model will not be applied.
a = 0 The smooth area change option will be used.
h = 0 The nonhomogeneous option will be used.
s = 0 This is a normal junction.
CARD CCCN201, BRANCH JUNCTION INITIAL CONDITIONS
Cards 1021201, 1022201, 1023201
W1(R) INITIAL LIQUID VELOCITY OR MASS FLOW = 0.0642652 kg/s, -3.288835e-5 kg/s, 2.07259 kg/s
W2(R) INITIAL VAPOR VELOCITY OR MASS FLOW = -0.0963128 kg/s, -0.712287 kg/s, 7.69476 kg/s
W3(R) INTERFACE VELOCITY = enter 0 m/s.
CARD CCC0000, COMPONENT NAME AND TYPE
Card 1030000
W1(A) COMPONENT NAME = lsds4
W2(A) COMPONENT TYPE = snglvol
CARD CCC0101 - CCC0109, SINGLE-VOLUME GEOMETRY
Card 1030101
W1(R) VOLUME FLOW AREA = 0.0
The volume flow area will be calculated by RELAP5.
W2(R) LENGTH OF VOLUME = 0.35 m
Lengh of volume of the water part of steam drum.
W3(R) VOLUME OF VOLUME = 26.97 m3
Volume of of the water part of steam drum.
W4(R) AZIMUTHAL ANGLE = 0.0
This value is not currently used by RELAP5.
W5(R) INCLINATION ANGLE = -90°
Indicates a vertical volume with downward flow positively valued.
W6(R) ELEVATION CHANGE = -0.35 m
W7(R) WALL ROUGHNESS = 4.57e-5 m
Commercial steel surface (Ref. [ 3 ], p. 7-6).
W8(R) HYDRAULIC DIAMETER = 0.0
W9(I) VOLUME CONTROL FLAGS (pvbfe) = 01000
p = 0 The water packing scheme will be used.
v = 1 The vertical stratification model will not be used.
b = 0 The pipe interphase friction model will be applied.
f = 0 Wall friction effects will be computed.
e = 0 The nonequilibrium calculation will be used.
CARD CCC0200, SINGLE-VOLUME INITIAL CONDITIONS
Card 1030200
W1(I) CONTROL WORD (e b t).
e This digit specifies the fluid
b This digit specifies the boron
t This digit specifies how the following words are to be used to determine the initial thermodynamic state, if t=0 the next four words are interpreted as pressure, liquid specific internal energy, vapor specific internal energy and vapor void fraction.
W2(R)-W6(R) QUANTITIES AS DESCRIBED UNDER WORD 1 (W1).
PRESSURE = 6704080.0 Pa
LIQUID SPECIFIC INTERNAL ENERGY = 1243061.0 J/kg
VAPOR SPECIFIC INTERNAL ENERGY = 2584313. 0 J/kg
VAPOR VOID FRACTION = 0.0
(105) FEEDWATER INLET IN DOWNCOMER LINE (LHS)
Feedwater is added to the drum in such a way that it mixes only with the downcomer flow exiting the drum. The feedwater in this model is added directly to the downcomer, as the separator component does not allow additional branches.
CARD CCC0000, COMPONENT NAME AND TYPE
Card 1050000
W1(A) COMPONENT NAME = lmfw
W2(A) COMPONENT TYPE = branch
CARD CCC0001, BRANCH INFORMATION
Card 1050001
W1(I) NUMBER OF JUNCTIONS = 2
W2(I) INITIAL CONDITION CONTROL FLAG = 0
Velocities will be assumed for the first and second words on card CCCN201.
CARD CCC0101 - CCC0109, BRANCH VOLUME GEOMETRY
Card 1050101
W1(R) VOLUME FLOW AREA = 1.6404 m2
The flow area is that of the downcomer.
W2(R) LENGTH OF VOLUME = 0.845 m
1.0 m of the downcomer piping length was arbitrarily chosen for the branch length.
W3(R) VOLUME OF VOLUME = 0.0
The volume will be calculated by RELAP5 (V = L*A).
W4(R) AZIMUTHAL ANGLE = 0.0
This value is not currently used by RELAP5.
W5(R) INCLINATION ANGLE = -90°
Indicates a vertical volume with downward flow positively valued.
W6(R) ELEVATION CHANGE = -0.845 m
Since this is a vertical volume, the elevation change is equal to the volume length.
W7(R) WALL ROUGHNESS = 4.57e-5 m
Commercial steel surface (Ref. [ 3 ], p. 7-6).
W8(R) HYDRAULIC DIAMETER = 0.295 m
This is the diameter of one downcomer pipe.
W9(I) VOLUME CONTROL FLAGS (pvbfe) = 01000
p = 0 The water packing scheme will be used.
v = 1 The vertical stratification model will not be used.
b = 0 The pipe interphase friction model will be applied.
f = 0 Wall friction effects will be computed.
e = 0 The nonequilibrium calculation will be used.
CARD CCC0200, BRANCH VOLUME INITIAL CONDITIONS
Card 1050200
W1(I) CONTROL WORD (e b t).
e This digit specifies the fluid
b This digit specifies the boron
t This digit specifies how the following words are to be used to determine the initial thermodynamic state, if t=0 the next four words are interpreted as pressure, liquid specific internal energy, vapor specific internal energy and vapor void fraction.
W2(R)-W6(R) QUANTITIES AS DESCRIBED UNDER WORD 1 (W1).
PRESSURE = 6846186.0 Pa
LIQUID SPECIFIC INTERNAL ENERGY = 1144398.0 J/kg
VAPOR SPECIFIC INTERNAL ENERGY = 2583116. 0 J/kg
VAPOR VOID FRACTION = 0.0
CARD CCCN101, BRANCH JUNCTION GEOMETRY
Card 1051101
W1(I) FROM CONNECTION = 105010000
From the outlet of the feedwater inlet of the downcomer.
W2(I) TO CONNECTION = 120000000
To the inlet of the downcomer.
W3(R) JUNCTION AREA = 1.6404 m2
Sets the area to the minumum volume area of the adjoining volumes.
W4(R) FORWARD FLOW ENERGY LOSS COEFFICIENT = 0.0
The losses are accounted for in the downcomer piping.
W5(R) REVERSE FLOW ENERGY LOSS COEFFICIENT = 0.0
Form losses associated with downcomer piping are accounted for in a subsequent component.
W6(I) JUNCTION CONTROL FLAGS (fvcahs) = 001000
f = 0 The CCFL model will not be applied.
v = 0 The horizontal stratification model will not be applied.
c = 1 The choking model will not be applied.
a = 0 The smooth area change option will be used.
h = 0 The nonhomogeneous option will be used.
s = 0 This is a normal junction.
CARD CCCN101, BRANCH JUNCTION GEOMETRY
Card 1052101
W1(I) FROM CONNECTION = 103010000
From the outlet of water part of steam drum.
W2(I) TO CONNECTION = 105000000
To the inlet of the feedwater inlet of the downcomer.
W3(R) JUNCTION AREA = 1.6404 m2
Sets the area to the minumum volume area of the adjoining volumes.
W4(R) FORWARD FLOW ENERGY LOSS COEFFICIENT = 0.5
The losses are accounted for in the downcomer piping.
W5(R) REVERSE FLOW ENERGY LOSS COEFFICIENT = 1.0
Form losses associated with downcomer piping are accounted for in a subsequent component.
W6(I) JUNCTION CONTROL FLAGS (fvcahs) = 001000
f = 0 The CCFL model will not be applied.
v = 0 The horizontal stratification model will not be applied.
c = 1 The choking model will not be applied.
a = 0 The smooth area change option will be used.
h = 0 The nonhomogeneous option will be used.
s = 0 This is a normal junction.
CARD CCCN201, BRANCH JUNCTION INITIAL CONDITIONS
Cards 1051201, 1052201
W1(R) INITIAL LIQUID VELOCITY OR MASS FLOW = 3.53603 kg/s, 2.83768 kg/s
W2(R) INITIAL VAPOR VELOCITY OR MASS FLOW = 4.04147 kg/s, 3.2838 kg/s
W3(R) INTERFACE VELOCITY = enter 0 m/s.
(107) FEEDWATER JUNCTION (LHS)
CARD CCC0000, COMPONENT NAME AND TYPE
Card 1070000
W1(A) COMPONENT NAME = lmfw
W2(A) COMPONENT TYPE = tmdpjun
CARD CCC0101 - CCC0109, TIME-DEPENDENT-VOLUME GEOMETRY
Card 1070101
W1(I) FROM CONNECTION = 110000000
From the feedwater source.
W2(I) TO CONNECTION = 105000000
To feedwater inlet.
W3(I) JUNCTION AREA = 0.0
Sets the area to the minimum area of the adjoining volumes.
CARD CCC0200, TIME-DEPENDENT-VOLUME DATA CONTROL WORD
Card 1070200
W1(I) CONTROL WORD = 1
Mass flow rates will be assumed for the second and third words on cards 31002NN.
W2(I) TABLE TRIP NUMBER = 101
Always true.
W3(A) ALPHANUMERIC PART OF VARIABLE REQUEST CODE = cntrlvar
W4(I) NUMERIC PART OF VARIABLE REQUEST CODE = 217
Search on Control Variable 217, which is the new feedwater flow based on steam flow/feedwater flow mismatch and steam drum level.
CARD CCC0201 - CCC0299, TIME-DEPENDENT-VOLUME DATA
Card 1070201
W1(I) SEARCH VARIABLE = -1.0
W2(R) INITIAL LIQUID MASS FLOW = 0.0 kg/s
W3(R) INITIAL VAPOR MASS FLOW = 0.0 kg/s
Feed flow is solid liquid.
W4(R) INTERFACE VELOCITY = 0.0
This value is not currently used by RELAP5.
Card 1070202
W1(I) SEARCH VARIABLE = 0.0
W2(R) INITIAL LIQUID MASS FLOW = 0.0 kg/s
W3(R) INITIAL VAPOR MASS FLOW = 0.0 kg/s
W4(R) INTERFACE VELOCITY = 0.0
This value is not currently used by RELAP5.
Card 1070203
W1(I) SEARCH VARIABLE = 1500.0
W2(R) INITIAL LIQUID MASS FLOW = 1500.0 kg/s
W3(R) INITIAL VAPOR MASS FLOW = 0.0 kg/s
W4(R) INTERFACE VELOCITY = 0.0
This value is not currently used by RELAP5.
The next two table values reflect a decrease in pump performance at very high flowrates. The actual effective feedwater pump flow versus reactor pressure would be the best way to limit the maximum pump flowrate. However, the pump flowrate versus reactor pressure is not currently available.
Card 1070204
W1(I) SEARCH VARIABLE = 2000.0
W2(R) INITIAL LIQUID MASS FLOW = 1550.0 kg/s
W3(R) INITIAL VAPOR MASS FLOW = 0.0 kg/s
W4(R) INTERFACE VELOCITY = 0.0
This value is not currently used by RELAP5.
Card 1070205
W1(I) SEARCH VARIABLE = 5000.0
W2(R) INITIAL LIQUID MASS FLOW = 1600.0 kg/s
W3(R) INITIAL VAPOR MASS FLOW = 0.0 kg/s
W4(R) INTERFACE VELOCITY = 0.0
This value is not currently used by RELAP5.
(110) FEEDWATER SOURCE (LHS)
CARD CCC0000, COMPONENT NAME AND TYPE
Card 1100000
W1(A) COMPONENT NAME = lmfw
W2(A) COMPONENT TYPE = tmdpvol
CARD CCC0101 - CCC0109, TIME-DEPENDENT-VOLUME GEOMETRY
Card 1100101
W1(R) VOLUME FLOW AREA = 0.353 m2
This is the area of two feedwater pipes (Ref. [ 4 ], p. 27).
W2(R) LENGTH OF VOLUME = 0.0
The length will be calculated by RELAP5 (L = V/A).
W3(R) VOLUME OF VOLUME = 1.0e6 m3
An extremely large value is assumed to provide an infinite water source.
W4(R) AZIMUTHAL ANGLE = 0.0
This value is not currently used by RELAP5.
W5(R) INCLINATION ANGLE = 0.0°
Indicates a horizontal volume.
W6(R) ELEVATION CHANGE = 0.0
Since the volume is horizontal, there is no elevation change.
W7(R) WALL ROUGHNESS = 4.57e-5 m
Commercial steel surface (Ref. [ 3 ], p. 7-6).
W8(R) HYDRAULIC DIAMETER = 0.474 m
This is the diameter of one feedwater pipe (Ref. [ 4 ], p. 27).
W9(I) VOLUME CONTROL FLAGS (pvbfe) = 00000
p = 0 This digit is not used by RELAP5.
v = 0 This digit is not used by RELAP5.
b = 0 The pipe interphase friction model will be applied.
f = 0 Wall friction effects will be computed.
e = 0 The nonequilibrium calculation will be used.
CARD CCC0200, TIME-DEPENDENT-VOLUME DATA CONTROL WORD
Card 1100200
W1(I) CONTROL WORD (e bt) = 003
e = 0 The fluid is water.
b = 0 The volume does not contain boron.
t = 3 The second and third words in Card 1100201 are interpreted as pressure and temperature at equilibrium conditions.
CARD CCC0201 - CCC0299, TIME-DEPENDENT-VOLUME DATA
Card 1100201
W1(I) TIME = 0.0
W2(R) PRESSURE = 7.0e6 Pa
This value was chosen to be slightly higher than the separator operating pressure.
W3(R) TEMPERATURE = 463 K
Ref. [ 5 ], p. 62.
(120) DOWNCOMER (LHS)
CARD CCC0000, COMPONENT NAME AND TYPE
Card 1200000
W1(A) COMPONENT NAME = ldwn
W2(A) COMPONENT TYPE = pipe
CARD CCC0001, PIPE INFORMATION
Card 1200001
W1(I) NUMBER OF VOLUMES = 8
Modeling choice.
CARD CCC0101 - CCC0199, PIPE VOLUME FLOW AREAS
Card 1200101
W1(R) VOLUME FLOW AREA = 1.6404 m2
There are 24 downcomers at 0.06835 m2 per each side of the reactor.
W2(I) VOLUME NUMBER = 8
Applies to all eight volumes.
CARD CCC0201 - CCC0299, PIPE JUNCTION FLOW AREA
Card 1200201
W1(R) JUNCTION FLOW AREA = 1.6404 m2
Consistent with volume flow areas.
W2(I) JUNCTION NUMBER = 7
Applies to all seven junctions.
CARD CCC0301 - CCC0399, PIPE VOLUME LENGTHS
Card 1200301
W1(R) VOLUME LENGTH = 4.055 m
W2(I) VOLUME NUMBER = 1
Card 1200302
W1(R) VOLUME LENGTH = 3.300 m
W2(I) VOLUME NUMBER = 2
Card 1200303
W1(R) VOLUME LENGTH = 2.200 m
W2(I) VOLUME NUMBER = 3
Card 1200304
W1(R) VOLUME LENGTH = 11.900 m
W2(I) VOLUME NUMBER = 4
Card 1200305
W1(R) VOLUME LENGTH = 4.502 m
W2(I) VOLUME NUMBER = 5
Card 1200306
W1(R) VOLUME LENGTH = 5.500 m
W2(I) VOLUME NUMBER = 6
Card 1200307
W1(R) VOLUME LENGTH = 2.200 m
W2(I) VOLUME NUMBER = 7
Card 1200308
W1(R) VOLUME LENGTH = 2.612 m
W2(I) VOLUME NUMBER = 8
CARD CCC0401 - CCC0499, PIPE VOLUME VOLUMES
Card 1200401
W1(R) VOLUME OF VOLUME = 0.0
Volume will be calculated by RELAP5 (V = L*A).
W2(I) VOLUME NUMBER = 8
Applies to all volumes.
CARD CCC0501 - CCC0599, PIPE VOLUME HORIZONTAL ANGLES
Card 1200501
W1(R) AZIMUTHAL ANGLE = 0.0
This value is not currently used by RELAP5.
W2(I) VOLUME NUMBER = 1
Applies to one volume.
Card 1200502
W1(R) AZIMUTHAL ANGLE = 0.0
This value is not currently used by RELAP5.
W2(I) VOLUME NUMBER = 2
Card 1200503
W1(R) AZIMUTHAL ANGLE = 0.0
This value is not currently used by RELAP5.
W2(I) VOLUME NUMBER = 3
Card 1200504
W1(R) AZIMUTHAL ANGLE = 0.0
This value is not currently used by RELAP5.
W2(I) VOLUME NUMBER = 4
Card 1200505
W1(R) AZIMUTHAL ANGLE = - 34.23
W2(I) VOLUME NUMBER = 5
Card 1200506
W1(R) AZIMUTHAL ANGLE = 0.0
This value is not currently used by RELAP5.
W2(I) VOLUME NUMBER = 6
Card 1200507
W1(R) AZIMUTHAL ANGLE = 0.0
This value is not currently used by RELAP5.
W2(I) VOLUME NUMBER = 7
Card 1200508
W1(R) AZIMUTHAL ANGLE = 0.0
This value is not currently used by RELAP5.
W2(I) VOLUME NUMBER = 8
CARD CCC0601 - CCC0699, PIPE VOLUME VERTICAL ANGLES
Card 1200601
W1(R) INCLINATION ANGLE = -90°
Indicates a vertical volume with downward flow positively valued.
W2(I) VOLUME NUMBER = 1
Applies to the first volume.
Card 1200602
W1(R) INCLINATION ANGLE = 0°
Indicates a horizontal volume.
W2(I) VOLUME NUMBER = 2
Applies to the second volume.
Card 1200603
W1(R) INCLINATION ANGLE = -90°
Indicates a vertical volume with downward flow positively valued.
W2(I) VOLUME NUMBER = 3
Applies to the third volume.
Card 1200604
W1(R) INCLINATION ANGLE = 0°
Indicates a horizontal volume.
W2(I) VOLUME NUMBER = 4
Applies to the fourth volume.
Card 1200605
W1(R) INCLINATION ANGLE = -90°
Indicates a vertical volume with downward flow positively valued.
W2(I) VOLUME NUMBER = 5
Applies to the fifth volume.
Card 1200606
W1(R) INCLINATION ANGLE = 0°
Indicates a horizontal volume.
W2(I) VOLUME NUMBER = 6
Applies to the sixth volume.
Card 1200607
W1(R) INCLINATION ANGLE = -90°
Indicates a vertical volume with downward flow positively valued.
W2(I) VOLUME NUMBER = 7
Applies to the seventh volume.
Card 1200608
W1(R) INCLINATION ANGLE = 0°
Indicates a horizontal volume.
W2(I) VOLUME NUMBER = 8
Applies to the eighth volume.
CARD CCC0701 - CCC0799, PIPE VOLUME ELEVATION CHANGES
Card 1200701
W1(R) ELEVATION CHANGE = -4.055 m
Since the volume is vertical, the elevation change is equal to the length of the volume.
W2(I) VOLUME NUMBER = 1
Applies to the first volume.
Card 1200702
W1(R) ELEVATION CHANGE = 0.0
Since the volume is horizontal, it has no associated elevation change.
W2(I) VOLUME NUMBER = 2
Applies to second volume.
Card 1200703
W1(R) ELEVATION CHANGE = -2.200 m
Since the volume is vertical, the elevation change is equal to the length of the volume.
W2(I) VOLUME NUMBER = 3
Applies to the third volume.
Card 1200704
W1(R) ELEVATION CHANGE = 0.0
Since the volume is horizontal, it has no associated elevation change.
W2(I) VOLUME NUMBER = 4
Applies to fourth volume.
Card 1200705
W1(R) ELEVATION CHANGE = -3.900 m
Since the volume is vertical, the elevation change is equal to the length of the volume.
W2(I) VOLUME NUMBER = 5
Applies to the fifth volume.
Card 1200706
W1(R) ELEVATION CHANGE = 0.0
Since the volume is horizontal, it has no associated elevation change.
W2(I) VOLUME NUMBER = 6
Applies to sixth volume.
Card 1200707
W1(R) ELEVATION CHANGE = -2.200 m
Since the volume is vertical, the elevation change is equal to the length of the volume.
W2(I) VOLUME NUMBER = 7
Applies to the seventh volume.
Card 1200708
W1(R) ELEVATION CHANGE = 0.0
Since the volume is horizontal, it has no associated elevation change.
W2(I) VOLUME NUMBER = 8
Applies to eighth volume.
CARD CCC0801 - CCC0899, PIPE VOLUME FRICTION DATA
Card 1200801
W1(R) WALL ROUGHNESS = 4.57e-5 m
Commercial steel surface (Ref. [ 3 ], p. 7-6).
W2(R) HYDRAULIC DIAMETER = 0.295 m
Hydraulic diameter of a downcomer pipe.
W3(I) VOLUME NUMBER = 8
Applies to all volumes.
CARD CCC0901 - CCC0999, PIPE JUNCTION LOSS
Card 1200901
W1(R) FORWARD LOSS COEFFICIENT = 0.25
W2(R) REVERSE LOSS COEFFICIENT = 0.25
The assumption of no dependence upon flow direction has been made.
W3(I) JUNCTION NUMBER = 1
Card 1200902
W1(R) FORWARD LOSS COEFFICIENT = 0.25
W2(R) REVERSE LOSS COEFFICIENT = 0.25
The assumption of no dependence upon flow direction has been made.
W3(I) JUNCTION NUMBER = 2
Card 1200903
W1(R) FORWARD LOSS COEFFICIENT = 0.25
W2(R) REVERSE LOSS COEFFICIENT = 0.25
The assumption of no dependence upon flow direction has been made.
W3(I) JUNCTION NUMBER = 3
Card 1200904
W1(R) FORWARD LOSS COEFFICIENT = 0.25
W2(R) REVERSE LOSS COEFFICIENT = 0.25
The assumption of no dependence upon flow direction has been made.
W3(I) JUNCTION NUMBER = 4
Card 1200905
W1(R) FORWARD LOSS COEFFICIENT = 0.25
W2(R) REVERSE LOSS COEFFICIENT = 0.25
The assumption of no dependence upon flow direction has been made.
W3(I) JUNCTION NUMBER = 5
Card 1200906
W1(R) FORWARD LOSS COEFFICIENT = 0.25
W2(R) REVERSE LOSS COEFFICIENT = 0.25
The assumption of no dependence upon flow direction has been made.
W3(I) JUNCTION NUMBER = 6
Card 1200907
W1(R) FORWARD LOSS COEFFICIENT = 0.25
W2(R) REVERSE LOSS COEFFICIENT = 0.25
The assumption of no dependence upon flow direction has been made.
W3(I) JUNCTION NUMBER = 7
CARD CCC1001 - CCC1099, PIPE VOLUME CONTROL FLAGS
Card 1201001
W1(I) VOLUME CONTROL FLAGS (pvbfe) = 11000
p = 1 The water packing scheme will not be used.
v = 1 The vertical stratification model will not be used.
b = 0 The pipe interphase friction model will be applied.
f = 0 Wall friction effects will be computed.
e = 0 The nonequilibrium calculation will be used.
W2(I) VOLUME NUMBER = 8
Applies to all volumes.
CARD CCC1101 - CCC1199, PIPE JUNCTION CONTROL FLAGS
Card 1201101
W1(I) JUNCTION CONTROL FLAGS (fvcahs) = 001000
f = 0 The CCFL model will not be applied.
v = 0 This digit is not used by RELAP5.
c = 1 The choking model will not be applied.
a = 0 The smooth area change option will be used.
h = 0 The nonhomogeneous option will be used.
s = 0 This digit is not used by RELAP5.
W2(I) JUNCTION NUMBER = 7
Applies to all junctions.
CARD CCC1201 - CCC1299, PIPE VOLUME INITIAL CONDITIONS
Cards 1201201-1201208
W1(I) CONTROL WORD (e b t).
e This digit specifies the fluid
b This digit specifies the boron
t This digit specifies how the following words are to be used to determine the initial thermodynamic state, if t=0 the next four words are interpreted as pressure, liquid specific internal energy, vapor specific internal energy and vapor void fraction. W6 should be 0.0.
W2(R)-W6(R) QUANTITIES AS DESCRIBED UNDER WORD 1 (W1).
PRESSURE = 6767192.0 Pa, 6780260.0, Pa, 6786477.0 Pa, 6791562.0 Pa, 6802847.0 Pa, 6814974.0 Pa, 6820901.0 Pa, 6827208.0 Pa
LIQUID SPECIFIC INTERNAL ENERGY = 1145703.0 J/kg, 1145687.0 J/kg, 1145678.0 J/kg, 1145642.0 J/kg, 1145631.0 J/kg, 1145622.0 J/kg, 1145618.0 J/kg, 1145616.0 J/kg
VAPOR SPECIFIC INTERNAL ENERGY = 2583779. 0 J/kg, 2583668. 0 J/kg, 2583616. 0 J/kg, 2583574. 0 J/kg, 2583479. 0 J/kg, 2583377. 0 J/kg, 2583327. 0 J/kg, 2583274 0 J/kg.
VAPOR VOID FRACTION = 0.0 (Applies to the all cases).
W7(I) VOLUME NUMBER = 1, 2, 3, 4, 5, 6, 7, 8
CARD CCC1300, PIPE JUNCTION CONDITIONS CONTROL WORDS
Card 1201300
W1(I) CONTROL FLAG = 0
Velocities will be assumed for the first and second words on Cards 1201301 through 1201307.
CARD CCC1301 - CCC1399, PIPE JUNCTION INITIAL CONDITIONS
Cards 1201301 and 1201307
W1(R) INITIAL LIQUID VELOCITY OR MASS FLOW = 3.883845 m/s, 3.88379 m/s, 3.88377 m/s, 3.88375 m/s, 3.88371 m/s, 3.88366 m/s, 3.88364 m/s,
W2(R) INITIAL VAPOR VELOCITY OR MASS FLOW = 4.41611 m/s, 3.88379 m/s, 4.41579 m/s, 3.88375 m/s, 4.41553 m/s, 3.88366 m/s, 4.41523 m/s
W3(R) INTERFACE VELOCITY = Enter 0 m/s.
W4(I) JUNCTION NUMBER = 1, 2, 3, 4, 5, 6, 7.