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RELAP5 model for the INPP


3.2.2 INTACT LOOP OF PRIMARY CIRCUIT. FORCED CIRCULATION

 

(125) MAIN COOLANT PUMP SUCTION HEADER (LHS)

 

The pump suction header is a horizontal-cylindrical vessel. Its purpose is to mix water from the 24 downcomers and distribute flow to the MCPs.

CARD CCC0000, COMPONENT NAME AND TYPE

Card 1250000

W1(A) COMPONENT NAME = lpsh

W2(A) COMPONENT TYPE = branch

CARD CCC0001, BRANCH INFORMATION

Card 1250001

W1(I) NUMBER OF JUNCTIONS = 3

Three junctions are defined with this component.

W2(I) INITIAL CONDITION CONTROL FLAG = 0

Velocities will be assumed for the first and second words on Cards 1251201 and 1252201.

CARD CCC0101 - CCC0109, BRANCH VOLUME GEOMETRY

Card 1250101

W1(R) VOLUME FLOW AREA = 0.0

Volume to be calculated by RELAP5.

W2(R) LENGTH OF VOLUME = 21.074 m

W3(R) VOLUME OF VOLUME = 13.407 m3

W4(R) AZIMUTHAL ANGLE = 0.0°

Not currently used by RELAP5.

W5(R) INCLINATION ANGLE = 0.0°

Consistent with the null elevation change below. Indicative of a horizontal volume.

W6(R) ELEVATION CHANGE = 0.0

No elevation change is associated with a horizontal volume.

W7(R) WALL ROUGHNESS = 4.57e-5 m

Commercial steel surface (Ref. [ 3 ], p. 7-6).

W8(R) HYDRAULIC DIAMETER = 0.9 m

W9(I) VOLUME CONTROL FLAGS (pvbfe) = 01010

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 = 1 Wall friction effects will not be computed.

e = 0 The nonequilibrium calculation will be used.

CARD CCC0200, BRANCH VOLUME INITIAL CONDITIONS

Card 1250200

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 = 6788314.0 Pa

LIQUID SPECIFIC INTERNAL ENERGY = 1145612.0 J/kg

VAPOR SPECIFIC INTERNAL ENERGY = 2583601. 0 J/kg

VAPOR VOID FRACTION = 0.0

 

CARD CCCN101, BRANCH JUNCTION GEOMETRY

Card 1251101

W1(I) FROM CONNECTION = 120010000

From the outlet side of the downcomer.

W2(I) TO CONNECTION = 1250000000

To the inlet side of the pump suction header.

W3(R) JUNCTION AREA = 1.6404 m2

W4(R) FORWARD FLOW ENERGY LOSS COEFFICIENT = 0.9

Estimate (pipe exit).

W5(R) REVERSE FLOW ENERGY LOSS COEFFICIENT = 0.9

Estimate (pipe entrance with sharp edge).

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 - CCC0109, BRANCH JUNCTION GEOMETRY

Card 1252101

W1(I) FROM CONNECTION = 125010000

From the outlet side of the pump suction header.

W2(I) TO CONNECTION = 130000000

To the inlet side of the pump suction piping.

W3(R) JUNCTION AREA = 1.3330 m2

W4(R) FORWARD FLOW ENERGY LOSS COEFFICIENT = 0.5

Estimate (pipe entrance with sharp edge).

W5(R) REVERSE FLOW ENERGY LOSS COEFFICIENT = 0.5

Estimate (pipe exit).

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 1253101

W1(I) FROM CONNECTION = 125010000

From the outlet side of the pump suction header.

W2(I) TO CONNECTION = 126000000

To the inlet side of the pump suction piping.

W3(R) JUNCTION AREA = 0.4101 m2

W4(R) FORWARD FLOW ENERGY LOSS COEFFICIENT = 0.5

Estimate (pipe entrance with sharp edge).

W5(R) REVERSE FLOW ENERGY LOSS COEFFICIENT = 0.5

Estimate (pipe exit).

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 1252201 and 1253201

W1(R) INITIAL LIQUID VELOCITY OR MASS FLOW = 3.883615 m/s, 4.7794 m/s, -6.03331-6 m/s

W2(R) INITIAL VAPOR VELOCITY OR MASS FLOW = 3.883615 m/s, 4.7794 m/s, -6.03331-6 m/s

W3(R) INTERFACE VELOCITY = Enter 0 m/s.

 

(126) PRESSURE BYPASS LINES UNTIL CHECK VALVE (LHS)

 

CARD CCC0000, COMPONENT NAME AND TYPE

Card 1260000

W1(A) COMPONENT NAME = l1bypass

W2(A) COMPONENT TYPE = pipe

CARD CCC0001, PIPE INFORMATION

Card 1260001

W1(I) NUMBER OF VOLUMES = 3

Modeling choice.

CARD CCC0101 - CCC0199, PIPE VOLUME FLOW AREAS

Card 1260101

W1(R) VOLUME FLOW AREA = 0.4101 m2

W2(I) VOLUME NUMBER = 3

Applies to all three volumes.

CARD CCC0201 - CCC0299, PIPE JUNCTION FLOW AREA

Card 1260201

W1(R) JUNCTION FLOW AREA = 0.4101 m2

Consistent with above.

W2(I) JUNCTION NUMBER = 2

Applies to both junctions.

CARD CCC0301 - CCC0399, PIPE VOLUME LENGTHS

Card 1260301

W1(R) VOLUME LENGTH = 3.67 m

W2(I) VOLUME NUMBER = 1

Applies to the first volume.

Card 1260302

W1(R) VOLUME LENGTH = 0.8 m

W2(I) VOLUME NUMBER = 2

Applies to the second volume.

Card 1260303

W1(R) VOLUME LENGTH = 3.67 m

Equivalent to the elevation change given below for this volume.

W2(I) VOLUME NUMBER = 3

Applies to the third volume.

CARD CCC0401 - CCC0499, PIPE VOLUME VOLUMES

Card 1260401

W1(R) VOLUME OF VOLUME = 0.0

Volume will be calculated by RELAP5 (V=L*A).

W2(I) VOLUME NUMBER = 3

Applies to all three volumes.

CARD CCC0501 - CCC0599, PIPE VOLUME HORIZONTAL ANGLES

Card 1260501

W1(R) AZIMUTHAL ANGLE = 0.0

Not currently used by RELAP5.

W2(I) VOLUME NUMBER = 3

Applies to all volumes.

CARD CCC0601 - CCC0699, PIPE VOLUME VERTICAL ANGLES

Card 1260601

W1(R) INCLINATION ANGLE = 0°

Consistent with the elevation change defined for this volume. Indicates a horizontal volume.

W2(I) VOLUME NUMBER = 1

Applies to the first volume.

Card 1260602

W1(R) INCLINATION ANGLE = -90°

Consistent with the elevation change and length defined for this volume. Indicates a vertical volume with downward flow positively valued.

W2(I) VOLUME NUMBER = 2

Applies to the second volume.

Card 1260603

W1(R) INCLINATION ANGLE = 0°

Consistent with the elevation change defined for this volume. Indicates a horizontal volume.

W2(I) VOLUME NUMBER = 3

Applies to the third volume.

CARD CCC0701 - CCC0799, PIPE VOLUME ELEVATION CHANGES

Card 1260701

W1(R) ELEVATION CHANGE = 0.0

No elevation change is associated with this volume.

W2(I) VOLUME NUMBER = 1

Applies to the first volume

Card 1260702

W1(R) ELEVATION CHANGE = -0.8 m

W2(I) VOLUME NUMBER = 2

Applies to the second volume.

Card 1260703

W1(R) INCLINATION ANGLE = 0°

Consistent with the elevation change defined for this volume. Indicates a horizontal volume.

W2(I) VOLUME NUMBER = 3

Applies to the third volume.

CARD CCC0801 - CCC0899, PIPE VOLUME FRICTION DATA

Card 1260801

W1(R) WALL ROUGHNESS = 4.57e-5 m

Commercial steel surface (Ref. [ 3 ], p. 7-6).

W2(R) HYDRAULIC DIAMETER = 0.752 m

W3(I) VOLUME NUMBER = 3

Applies to all three volumes.

CARD CCC0901 - CCC0999, PIPE JUNCTION LOSS

Card 1260901

W1(R) FORWARD LOSS COEFFICIENT = 0.25

W2(R) REVERSE LOSS COEFFICIENT = 0.25

No dependence upon flow direction has been assumed.

W3(I) JUNCTION NUMBER = 1

Applies to first junction.

Card 1260901

W1(R) FORWARD LOSS COEFFICIENT = 0.5

W2(R) REVERSE LOSS COEFFICIENT = 0.5

No dependence upon flow direction has been assumed.

W3(I) JUNCTION NUMBER = 2

Applies to second junction.

CARD CCC1001 - CCC1099, PIPE VOLUME CONTROL FLAGS

Card 1261001

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 = 3

Applies to all three volumes.

CARD CCC1101 - CCC1199, PIPE JUNCTION CONTROL FLAGS

Card 1261101

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 = 2

Applies to both junctions.

CARD CCC1201 - CCC1299, PIPE VOLUME INITIAL CONDITIONS

Cards 1261201-1261203

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 = 6827434.0 Pa, 6830474.0, Pa, 6833514.0 Pa

LIQUID SPECIFIC INTERNAL ENERGY = 1160761.0 J/kg, 1161268.0 J/kg, 1161280.0 J/kg,

VAPOR SPECIFIC INTERNAL ENERGY = 2583272. 0 J/kg, 2583247. 0 J/kg, 2583222. 0 J/kg

VAPOR VOID FRACTION = 0.0 (Applies to the all cases).

W7(I) VOLUME NUMBER = 1, 2, 3

CARD CCC1300, PIPE JUNCTION CONDITIONS CONTROL WORDS

Card 1261300

W1(I) CONTROL FLAG = 0

Velocities will be assumed for the first and second words on Cards 1261301 through 1261302.

CARD CCC1301 - CCC1399, PIPE JUNCTION INITIAL CONDITIONS

Cards 1261301 and 1261302

W1(R) INITIAL LIQUID VELOCITY OR MASS FLOW = -2.849346-6 m/s, -2.26626-6 m/s

W2(R) INITIAL VAPOR VELOCITY OR MASS FLOW = -2.84937-6 m/s, -2.26627-6 m/s

W3(R) INTERFACE VELOCITY = Enter 0 m/s.

W4(I) JUNCTION NUMBER = 1, 2

 

(127) HEADER BYPASS LINE CHECK VALVE (LHS)

 

CARD CCC0000, COMPONENT NAME AND TYPE

Card 1270000

W1(A) COMPONENT NAME = lbpchk

W2(A) COMPONENT TYPE = valve

CARD CCC0101 - CCC0109, VALVE GEOMETRY

Card 1270101

W1(I) FROM CONNECTION = 126010000

W2(I) TO CONNECTION = 1280000000

W3(R) JUNCTION AREA = 0.0 m2

W4(R) FORWARD FLOW ENERGY LOSS COEFFICIENT = 0.6

W5(R) REVERSE FLOW ENERGY LOSS COEFFICIENT = 0.6

W6(I) JUNCTION CONTROL FLAGS (fvcahs) = 001100

f = 0 The CCFL model will not be applied.

v = 0 This digit is not used by RELAP5 for valves.

c = 1 The choking model will not be applied.

a = 1 The abrupt area change option will be used (required by RELAP5 for a check valve).

h = 0 The nonhomogeneous option will be used.

s = 0 This digit is not used by RELAP5 for valves.

CARD CCC0201, VALVE INITIAL CONDITIONS

Card 1270201

W1(I) CONTROL WORD = 0

If 0, the next two words are velocities.

W2(R) INITIAL LIQUID VELOCITY OR MASS FLOW = 0 m/s

W3(R) INITIAL VAPOR VELOCITY OR MASS FLOW = 0 m/s

W4(R) INTERFACE VELOCITY = Enter 0 m/s.

CARD CCC0300, VALVE TYPE

Card 1270300

W1(A) VALVE TYPE = chkvlv

A check valve is modeled.

CARD CCC0301 - CCC0399, VALVE DATA AND INITIAL CONDITIONS

Card 1270301

W1(I) CHECK VALVE TYPE = 0

A static pressure/flow-controlled check valve (has hysteresis effect) is assumed.

W2(I) CHECK VALVE INITIAL POSITION = 1

The valve is initially closed

W3(R) CLOSING BACK PRESSURE = 700.0e+09 Pa

In our case the bypass line is closed.

W4(R) LEAK RATIO = 0.0

 

(128) PRESSURE BYPASS LINES BEHIND CHECK VALVE (LHS)

 

CARD CCC0000, COMPONENT NAME AND TYPE

Card 1280000

W1(A) COMPONENT NAME = l2bypass

W2(A) COMPONENT TYPE = pipe

CARD CCC0001, PIPE INFORMATION

Card 1280001

W1(I) NUMBER OF VOLUMES = 1

Modeling choice.

CARD CCC0101 - CCC0199, PIPE VOLUME FLOW AREAS

Card 1280101

W1(R) VOLUME FLOW AREA = 0.4101 m2

W2(I) VOLUME NUMBER = 1

CARD CCC0301 - CCC0399, PIPE VOLUME LENGTHS

Card 1280301

W1(R) VOLUME LENGTH = 2.1 m

W2(I) VOLUME NUMBER = 1

CARD CCC0401 - CCC0499, PIPE VOLUME VOLUMES

Card 1280401

W1(R) VOLUME OF VOLUME = 0.0

Volume will be calculated by RELAP5 (V=L*A).

W2(I) VOLUME NUMBER = 1

CARD CCC0501 - CCC0599, PIPE VOLUME HORIZONTAL ANGLES

Card 1280501

W1(R) AZIMUTHAL ANGLE = 0.0

Not currently used by RELAP5.

W2(I) VOLUME NUMBER = 1

CARD CCC0601 - CCC0699, PIPE VOLUME VERTICAL ANGLES

Card 1280601

W1(R) INCLINATION ANGLE = -90°

Consistent with the elevation change and length defined for this volume. Indicates a vertical volume with downward flow positively valued.

W2(I) VOLUME NUMBER = 1

CARD CCC0701 - CCC0799, PIPE VOLUME ELEVATION CHANGES

Card 1280701

W1(R) ELEVATION CHANGE = -2.1 m.

W2(I) VOLUME NUMBER = 1

CARD CCC0801 - CCC0899, PIPE VOLUME FRICTION DATA

Card 1280801

W1(R) WALL ROUGHNESS = 4.57e-5 m

Commercial steel surface (Ref. [ 3 ], p. 7-6).

W2(R) HYDRAULIC DIAMETER = 0.752 m

W3(I) VOLUME NUMBER = 1

CARD CCC1001 - CCC1099, PIPE VOLUME CONTROL FLAGS

Card 1281001

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 = 1

CARD CCC1201 - CCC1299, PIPE VOLUME INITIAL CONDITIONS

Cards 1281201

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 = 8349262.0 Pa

LIQUID SPECIFIC INTERNAL ENERGY = 1160368.0 J/kg,

VAPOR SPECIFIC INTERNAL ENERGY = 2567640. 0 J/kg

VAPOR VOID FRACTION = 0.0

W7(I) VOLUME NUMBER = 1

 

(130) MAIN COOLANT PUMP SUCTION PIPING (LHS)

 

CARD CCC0000, COMPONENT NAME AND TYPE

Card 1300000

W1(A) COMPONENT NAME = lpmpsuc

W2(A) COMPONENT TYPE = pipe

CARD CCC0001, PIPE INFORMATION

Card 1300001

W1(I) NUMBER OF VOLUMES = 3

Modeling choice.

CARD CCC0101 - CCC0199, PIPE VOLUME FLOW AREAS

Card 1300101

W1(R) VOLUME FLOW AREA = 1.333 m2

There are three suction pipes at 0.4442 m2 each (Ref. [6] ). (Four pipes exist, but only three are used for normal operation.)

W2(I) VOLUME NUMBER = 3

Applies to all three volumes.

CARD CCC0201 - CCC0299, PIPE JUNCTION FLOW AREA

Card 1300201

W1(R) JUNCTION FLOW AREA = 1.333 m2

Consistent with above.

W2(I) JUNCTION NUMBER = 2

Applies to both junctions.

CARD CCC0301 - CCC0399, PIPE VOLUME LENGTHS

Card 1300301

W1(R) VOLUME LENGTH = 19.325 m

W2(I) VOLUME NUMBER = 1

Applies to the first volume.

Card 1300302

W1(R) VOLUME LENGTH = 8.6266 m

Gate valve

W2(I) VOLUME NUMBER = 2

Applies to the second volume.

Card 1300303

W1(R) VOLUME LENGTH = 6.650 m

W2(I) VOLUME NUMBER = 3

Applies to the third volume.

CARD CCC0401 - CCC0499, PIPE VOLUME VOLUMES

Card 1300401

W1(R) VOLUME OF VOLUME = 0.0

Volume will be calculated by RELAP5 (V=L*A).

W2(I) VOLUME NUMBER = 3

Applies to all three volumes.

CARD CCC0501 - CCC0599, PIPE VOLUME HORIZONTAL ANGLES

Card 1300501

W1(R) AZIMUTHAL ANGLE = 0.0

Not currently used by RELAP5.

W2(I) VOLUME NUMBER = 3

Applies to all volumes.

CARD CCC0601 - CCC0699, PIPE VOLUME VERTICAL ANGLES

Card 1300601

W1(R) INCLINATION ANGLE = -53.3282°

W2(I) VOLUME NUMBER = 1

Applies to the first volume.

Card 1300602

W1(R) INCLINATION ANGLE = 0°

Consistent with the elevation change defined for this volume. Indicates a horizontal volume.

W2(I) VOLUME NUMBER = 2

Applies to the second volume.

Card 1300603

W1(R) INCLINATION ANGLE = 64.456°

Indicates a vertical volume with upward flow positively valued. Consistent with the elevation change and length defined for this volume.

W2(I) VOLUME NUMBER = 3

Applies to the third volume.

CARD CCC0701 - CCC0799, PIPE VOLUME ELEVATION CHANGES

Card 1300701

W1(R) ELEVATION CHANGE = -15.5 m

This is the elevation change from the pump suction headers to the floor (Ref. [ 2 ]).

W2(I) VOLUME NUMBER = 1

Applies to the first volume

Card 1300702

W1(R) ELEVATION CHANGE = 0.0

No elevation change is associated with this volume.

W2(I) VOLUME NUMBER = 2

Applies to the second volume.

Card 1300703

W1(R) ELEVATION CHANGE = 6.0 m

This is the elevation change from the floor to the MCP impellers (Ref. [ 2 ]).

W2(I) VOLUME NUMBER = 3

Applies to the third volume.

CARD CCC0801 - CCC0899, PIPE VOLUME FRICTION DATA

Card 1300801

W1(R) WALL ROUGHNESS = 4.57e-5 m

Commercial steel surface (Ref. [ 3 ], p. 7-6).

W2(R) HYDRAULIC DIAMETER = 0.752 m

Hydraulic diameter of an MCP inlet pipe (Ref. [ 6 ]).

W3(I) VOLUME NUMBER = 3

Applies to all three volumes.

CARD CCC0901 - CCC0999, PIPE JUNCTION LOSS

Card 1300901

W1(R) FORWARD LOSS COEFFICIENT = 0.177

W2(R) REVERSE LOSS COEFFICIENT = 0.177

W3(I) JUNCTION NUMBER = 1

Card 1300902

W1(R) FORWARD LOSS COEFFICIENT = 1.564

W2(R) REVERSE LOSS COEFFICIENT = 1.564

W3(I) JUNCTION NUMBER = 2

 

CARD CCC1001 - CCC1099, PIPE VOLUME CONTROL FLAGS

Card 1301001

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 = 3

Applies to all three volumes.

CARD CCC1101 - CCC1199, PIPE JUNCTION CONTROL FLAGS

Card 1301101

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 = 2

Applies to both junctions.

CARD CCC1201 - CCC1299, PIPE VOLUME INITIAL CONDITIONS

Cards 1301201-1301203

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 = 6861380.0 Pa, 6917268.0 Pa, 6879356.0 Pa

LIQUID SPECIFIC INTERNAL ENERGY = 1145641.0 J/kg, 1145661.0 J/kg, 1145679.0 J/kg

VAPOR SPECIFIC INTERNAL ENERGY = 2582988. 0 J/kg, 2582524. 0 J/kg, 2582839. 0 J/kg,

VAPOR VOID FRACTION = 0.0

W7(I) VOLUME NUMBER = 1, 2, 3

CARD CCC1300, PIPE JUNCTION CONDITIONS CONTROL WORDS

Card 1301300

W1(I) CONTROL FLAG = 0

Velocities will be assumed for the first and second words on Cards 1301301 through 1301302.

CARD CCC1301 - CCC1399, PIPE JUNCTION INITIAL CONDITIONS

Cards 1301301 and 1301302

W1(R) INITIAL LIQUID VELOCITY OR MASS FLOW = 4.77903 m/s, 4.77875 m/s

W2(R) INITIAL VAPOR VELOCITY OR MASS FLOW = 5.24353 m/s, 4.77875 m/s

W3(R) INTERFACE VELOCITY = Enter 0 m/s.

W4(I) JUNCTION NUMBER = 1, 2

 

(135) MAIN COOLANT PUMP (LHS)

 

CARD CCC0000, COMPONENT NAME AND TYPE

Card 1350000

W1(A) COMPONENT NAME = lpump

W2(A) COMPONENT TYPE = pump

CARD CCC0101 - CCC0109, PUMP VOLUME GEOMETRY

Card 1350101

W1(R) VOLUME FLOW AREA = 1.333 m2

Set equal to inlet and exit flow area.

W2(R) LENGTH OF VOLUME = 0.0

Length to be calculated by RELAP5.

W3(R) VOLUME OF VOLUME = 6.0 m3

The reported volume for an MCP is 2.0 m3 (Ref. [ 2 ]). The combined volume of three MCPs is 6.0 m3.

W4(R) AZIMUTHAL ANGLE = 0.

Not currently used by RELAP5.

W5(R) INCLINATION ANGLE = 0.0°

Indicates a horizontal volume. Elevation changes within or near and MCP are accounted for elsewhere (i.e., in the inlet and outlet piping).

W6(R) ELEVATION CHANGE = 0.0

There is no elevation change for a horizontal volume.

W9(I) VOLUME CONTROL FLAGS (pvbfe) = 00000

p = 0 This digit is not used by RELAP5 for pumps.

v = 0 This digit is not used by RELAP5 for pumps.

b = 0 This digit is not used by RELAP5 for pumps.

f = 0 This digit is not used by RELAP5 for pumps.

e = 0 The nonequilibrium solution will be used.

CARD CCC0108, PUMP INLET JUNCTION

Card 1350108

W1(I) INLET SIDE VOLUME CODE = 130010000

From the outlet of MCP suction piping.

W2(R) JUNCTION AREA = 1.333 m2

The area is consistent with that of the suction piping.

W3(R) FORWARD LOSS COEFFICIENT = 0.0

Any inlet losses are assumed to be accounted for in pump head vs flow data.

W4(R) REVERSE LOSS COEFFICIENT = 0.0

See comment of above word.

W5(I) JUNCTION CONTROL FLAGS (fvcahs) = 001000

f = 0 The CCFL model will not be applied.

v = 0 This digit is not used by RELAP5 for pumps.

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 for pumps.

CARD CCC0109, PUMP OUTLET JUNCTION

Card 1350109

W1(I) EXIT SIDE VOLUME CODE = 140000000

To the inlet of the MCP discharge piping.

W2(R) JUNCTION AREA = 1.333 m2

The area is consistent with that of outlet piping.

W3(R) FORWARD LOSS COEFFICIENT = 0.0

Any outlet losses are assumed to be accounted for in pump head vs flow data.

W4(R) REVERSE LOSS COEFFICIENT = 0.0

See comment of above word.

W5(I) JUNCTION CONTROL FLAGS (fvcahs) = 001000

f = 0 The CCFL model will not be applied.

v = 0 This digit is not used by RELAP5 for pumps.

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 for pumps.

CARD CCC0200, PUMP VOLUME INITIAL CONDITIONS

Card 1350200

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 = 7647044.0 Pa

LIQUID SPECIFIC INTERNAL ENERGY = 1149148.0 J/kg

VAPOR SPECIFIC INTERNAL ENERGY = 2575209. 0 J/kg

VAPOR VOID FRACTION = 0.0

CARD CCC0201, PUMP INLET (SUCTION) JUNCTION INITIAL CONDITIONS

Card 1350201 and 1350202

W1(I) CONTROL WORD = 0

If 0, the next two words are velocities.

W2(R) INITIAL LIQUID VELOCITY OR MASS FLOW = 4.7789 m/s, 5.35557 m/s

W3(R) INITIAL VAPOR VELOCITY OR MASS FLOW = 4.78222 m/s, 4.78222 m/s

W4(R) INTERFACE VELOCITY = Enter 0 m/s.

CARD CCC0301, PUMP INDEX AND OPTIONS

Card 1350301

W1(I) PUMP TABLE DATA INDICATOR = 0

Single phase homologous curves will be entered.

W2(I) TWO-PHASE INDEX = -1

The two-phase option will not be used.

W3(I) TWO-PHASE DIFFERENCE TABLE INDEX = -3

The two-phase difference table will not be used.

W4(I) PUMP MOTOR TORQUE TABLE = -1

No table will be used.

W5(I) TIME-DEPENDENT PUMP VELOCITY INDEX = -1

The pump velocity will always be computed from torque-inertia equation.

W6(I) PUMP TRIP NUMBER = 1104

W7(I) REVERSE INDICATOR = 1

Reverse rotation will be allowed.

CARD CCC0302 - CCC0304, PUMP DESCRIPTION

Cards 1350302-1350304

W1(R) RATED PUMP VELOCITY = 104.7 rad/s

(1000 rev/min) * (2*p rad/rev) * (1 min / 60 s) = 104.7 rad/s

W2(R) RATIO OF INITIAL PUMP VELOCITY TO RATED PUMP VELOCITY = 1.0

Assumption.

W3(R) RATED FLOW = 6.780 m3/s

(6250 tons/hr) * 1000 kg/metric ton ¸ 768.2 kg/m3 ¸ 3600 sec/hr = 2.260 m3/s - per pump

2.260 m3/s per pump * 3 pumps = 6.780 m3/s

W4(R) RATED HEAD = 203.0 m

W5(R) RATED TORQUE = 1.176e5 N-m

4000 kgf-m ´ 9.8 N/kgf ´ 3 pumps = 1.176e5 N-m

W6(R) MOMENT OF INERTIA = 3.945e4 kg-m2

(3750 kg-m2 (pump & motor) + 9400 kg-m2 (flywheel)) = 13,150 kg-m2

(13,150 kg-m2 per pump ´ 3 pumps) = 3.945e4 kg-m2

W7(R) RATED DENSITY = 768.2 kg/m3

Density at the pump inlet under nominal conditions. This value is based on T = 270 °C in Ref. [ 7 ], p. 15.

W8(R) RATED PUMP MOTOR TORQUE = 0.0 N-m

RELAP5 will calculate rated motor torque.

W9(R) TF2, FRICTION TORQUE COEFFICIENT = 3.087e4 N-m

(1050 kgf-m ´ 9.8 N/kgf ´ 3 pumps) = 3.087e4 (Ref. [ 7 ], p. 15)

W10(R) TF0, FRICTION TORQUE COEFFICIENT = 8.82e3 N-m

300 kgf-m ´ 9.8 N/kgf ´ 3 pumps) = 8.82e3 (Ref. [ 7 ], p. 15)

W11(R) TF1, FRICTION TORQUE COEFFICIENT = 0.0

W12(R) TF3, FRICTION TORQUE COEFFICIENT = 0.0

CARDS CCCXX00 THROUGH CCCXX99, SINGLE PHASE HOMOLOGOUS CURVES

The single phase homologous curve entered on the following cards are derived from [7]. A description of how they were derived is given in Ref. [ 8 ]. The homologous curves are illustrated in Figures 1 and 2.

 

 

Cards 1351100-1351106

The first homologous curve:

W1(I) CURVE TYPE = 1

A head curve is entered.

W2(I) CURVE REGIME = 1

The HAN regime is entered.

W3(R) and W4(R) through W13(R) and W14(R)

0.000 1.270

0.200 1.240

0.400 1.200

0.600 1.170

0.800 1.080

1.000 1.000

pairs for v/a and h/a2 for the HAN regime of the homologous head curve.

Cards 1351200-1351211

The second homologous curve:

W1(I) CURVE TYPE = 1

A head curve is entered.

W2(I) CURVE REGIME = 2

The HVN regime is entered.

W3(R) and W4(R) through W23(R) and W24(R)

0.000 -0.4018

0.357 -0.217

0.385 -0.192

0.417 -0.165

0.455 -0.124

0.500 -0.075

0.556 0.019

0.625 0.137

0.714 0.306

0.833 0.576

1.000 1.000

pairs for a/v and h/v2 for the HVN regime of the homologous head curve.

Cards 1351300-1351306

The third homologous curve:

W1(I) CURVE TYPE = 1

A head curve is entered.

W2(I) CURVE REGIME = 3

The HAD regime is entered.

W3(R) and W4(R) through W13(R) and W14(R)

-1.000 1.950

-0.800 1.640

-0.600 1.470

-0.400 1.370

-0.200 1.300

0.000 1.270

pairs for v/a and h/a2 for the HAD regime of the homologous head curve.

Cards 1351400-1351403

The fourth homologous curve:

W1(I) CURVE TYPE = 1

A head curve is entered.

W2(I) CURVE REGIME = 4

The HVD regime is entered.

W3(R) and W4(R) through W7(R) and W8(R)

-1.000 1.950

-0.833 1.597

0.000 0.663

pairs for a/v and h/v2 for the HVD regime of the homologous head curve.

Cards 1351500-1351506

The fifth homologous curve:

W1(I) CURVE TYPE = 1

A head curve is entered.

W2(I) CURVE REGIME = 5

The HAT regime is entered.

W3(R) and W4(R) through W13(R) and W14(R)

0.000 0.620

0.200 0.650

0.400 0.690

0.600 0.770

0.800 0.870

1.000 1.020

pairs for v/a and h/a2 for the HAT regime of the homologous head curve.

Cards 1351600-1351607

The sixth homologous curve:

W1(I) CURVE TYPE = 1

A head curve is entered.

W2(I) CURVE REGIME = 6

The HVT regime is entered.

W3(R) and W4(R) through W15(R) and W16(R)

0.0 0.6634

0.500 0.650

0.556 0.668

0.625 0.703

0.714 0.755

0.833 0.854

1.000 1.020

pairs for a/v and h/v2 for the HVT regime of the homologous head curve.

Cards 1351700-1351706

The seventh homologous curve:

W1(I) CURVE TYPE = 1

A head curve is entered.

W2(I) CURVE REGIME = 7

The HAR regime is entered.

W3(R) and W4(R) through W13(R) and W14(R)

-1.000 -0.800

-0.800 -0.500

-0.600 -0.080

-0.400 0.220

-0.200 0.500

0.000 0.620

pairs for v/a and h/a2 for the HAR regime of the homologous head curve.

Cards 1351800-1351803

The eighth homologous curve:

W1(I) CURVE TYPE = 1

A head curve is entered.

W2(I) CURVE REGIME = 8

The HVR regime is entered.

W3(R) and W4(R) through W7(R) and W8(R)

-1.000 -0.800

-0.833 -0.833

0.000 -0.4018

pairs for a/v and h/v2 for the HVR regime of the homologous head curve.

 

 

Cards 1351900-1351906

The ninth homologous curve:

W1(I) CURVE TYPE = 2

A torque curve is entered.

W2(I) CURVE REGIME = 1

The BAN regime is entered.

W3(R) and W4(R) through W13(R) and W14(R)

0.000 0.500

0.200 0.600

0.400 0.720

0.600 0.830

0.800 0.920

1.000 1.000

pairs for v/a and b/a2 for the BAN regime of the homologous torque curve.

Cards 1352000-1352106

The tenth homologous curve:

W1(I) CURVE TYPE = 2

A torque curve is entered.

W2(I) CURVE REGIME = 2

The BVN regime is entered.

W3(R) and W4(R) through W29(R) and W30(R)

0.000 -0.610

0.294 -0.039

0.313 -0.022

0.333 -0.002

0.357 0.023

0.385 0.055

0.417 0.090

0.455 0.138

0.500 0.200

0.556 0.278

0.625 0.383

0.714 0.526

0.833 0.715

1.000 1.000

pairs for a/v and b/v2 for the BVN regime of the homologous torque curve.

Cards 1352100-1352106

The eleventh homologous curve:

W1(I) CURVE TYPE = 2

A torque curve is entered.

W2(I) CURVE REGIME = 3

The BAD regime is entered.

W3(R) and W4(R) through W13(R) and W14(R)

-1.000 1.050

-0.800 0.700

-0.600 0.500

-0.400 0.390

-0.200 0.400

0.000 0.500

pairs for v/a and b/a2 for the BAD regime of the homologous torque curve.

Cards 1352200-1352206

The twelfth homologous curve:

W1(I) CURVE TYPE = 2

A torque curve is entered.

W2(I) CURVE REGIME = 4

The BVD regime is entered.

W3(R) and W4(R) through W13(R) and W14(R)

-1.000 1.050

-0.833 0.951

-0.714 0.918

-0.625 0.879

-0.556 0.833

0.000 0.725

pairs for a/v and b/v2 for the BVD regime of the homologous torque curve.

Cards 1352300-1352306

The thirteenth homologous curve:

W1(I) CURVE TYPE = 2

A torque curve is entered.

W2(I) CURVE REGIME = 5

The BAT regime is entered.

W3(R) and W4(R) through W13(R) and W14(R)

0.000 -0.650

0.200 -0.400

0.400 -0.180

0.600 0.030

0.800 0.200

1.000 0.450

pairs for v/a and b/a2 for the BAT regime of the homologous torque curve.

Cards 1352400-1352406

The fourteenth homologous curve:

W1(I) CURVE TYPE = 2

A torque curve is entered.

W2(I) CURVE REGIME = 6

The BVT regime is entered.

W3(R) and W4(R) through W13(R) and W14(R)

0.0 0.725

0.556 0.617

0.625 0.605

0.714 0.587

0.833 0.521

1.000 0.450

pairs for a/v and b/v2 for the BVT regime of the homologous torque curve.

Cards 1352500-1352506

The fifteenth homologous curve:

W1(I) CURVE TYPE = 2

A torque curve is entered.

W2(I) CURVE REGIME = 7

The BAR regime is entered.

W3(R) and W4(R) through W13(R) and W14(R)

-1.0000 -3.3900

-0.8000 -2.7300

-0.6000 -2.1000

-0.4000 -1.5000

-0.2000 -1.0500

0.0000 -0.6500

pairs for v/a and b/a2 for the BAR regime of the homologous torque curve.

Cards 1352600-1352614

The sixteenth homologous curve:

W1(I) CURVE TYPE = 2

A torque curve is entered.

W2(I) CURVE REGIME = 8

The BVR regime is entered.

W3(R) and W4(R) through W29(R) and W30(R)

-1.000 -3.390

-0.833 -2.833

-0.714 -2.449

-0.625 -2.168

-0.556 -1.954

-0.500 -1.785

-0.455 -1.649

-0.417 -1.536

-0.385 -1.442

-0.357 -1.362

-0.333 -1.293

-0.313 -1.233

-0.294 -1.181

0.000 -0.610

pairs for a/v and b/v2 for the BVR regime of the homologous torque curve.

 

(140) MAIN COOLANT PUMP DISCHARGE PIPING TO THE THROTTLING VALVE (LHS)

 

The piping between the LHS main coolant pump to the throttling/check valve is modeled in this single volume. The exact location of the check valve and the throttling valve is unknown but modeled at the end of the vertical piping.

CARD CCC0000, COMPONENT NAME AND TYPE

Card 1400000

W1(A) COMPONENT NAME = lpmpdis

W2(A) COMPONENT TYPE = pipe

CARD CCC0001, PIPE INFORMATION

Card 1400001

W1(I) NUMBER OF VOLUMES = 2

Modeling choice.

CARD CCC0101 - CCC0199, PIPE VOLUME FLOW AREAS

Card 1400101

W1(R) VOLUME FLOW AREA = 1.333 m2

There are three discharge pipes at 0.4442 m2 each (Ref. [ 6 ]).

W2(I) VOLUME NUMBER = 2

Applies to both volumes.

CARD CCC0201 - CCC0299, PIPE JUNCTION FLOW AREA

Card 1400201

W1(R) JUNCTION FLOW AREA = 1.333 m2

Consistent with the volume flow areas of this component.

W2(I) JUNCTION NUMBER = 1

Applies to the first junction.

CARD CCC0301 - CCC0399, PIPE VOLUME LENGTHS

Card 1400301

W1(R) VOLUME LENGTH = 9.328 m

W2(I) VOLUME NUMBER = 1

Applies to the first volume.

Card 1400302

W1(R) VOLUME LENGTH = 9.265 m

Equivalent to the elevation change given below for this volume.

W2(I) VOLUME NUMBER = 2

Applies to the second volume.

CARD CCC0401 - CCC0499, PIPE VOLUME VOLUMES

Card 1400401

W1(R) VOLUME OF VOLUME = 0.0

Volume will be calculated by RELAP5 (V=L*A).

W2(I) VOLUME NUMBER = 2

Applies to both volumes.

CARD CCC0501 - CCC0599, PIPE VOLUME HORIZONTAL ANGLES

Card 1400501

W1(R) AZIMUTHAL ANGLE = 0.0

Not currently used by RELAP5.

W2(I) VOLUME NUMBER = 2

Applies to both volumes.

CARD CCC0601 - CCC0699, PIPE VOLUME VERTICAL ANGLES

Card 1400601

W1(R) INCLINATION ANGLE = -40.0327°

W2(I) VOLUME NUMBER = 1

Applies to the first volume.

Card 1400602

W1(R) INCLINATION ANGLE = 0.0

Consistent with the elevation change defined for this volume. Indicates a horizontal volume.

W2(I) VOLUME NUMBER = 2

Applies to the second volume.

CARD CCC0701 - CCC0799, PIPE VOLUME ELEVATION CHANGES

Card 1400701

W1(R) ELEVATION CHANGE = -6.0

W2(I) VOLUME NUMBER = 1

Applies to the first volume.

Card 1400702

W1(R) ELEVATION CHANGE = 0.0 m

W2(I) VOLUME NUMBER = 2

Applies to the second volume.

CARD CCC0801 - CCC0899, PIPE VOLUME FRICTION DATA

Card 1400801

W1(R) WALL ROUGHNESS = 4.57e-5 m

Commercial steel surface (Ref. [ 3 ], p. 7-6).

W2(R) HYDRAULIC DIAMETER = 0.752 m

This is the hydraulic diameter of a pump outlet pipe (Ref. [ 6 ]).

W3(I) VOLUME NUMBER = 2

Applies to both volumes.

CARD CCC0901 - CCC0999, PIPE JUNCTION LOSS

Card 1400901

W1(R) FORWARD LOSS COEFFICIENT = 0.765

W2(R) REVERSE LOSS COEFFICIENT = 0.765

Assume no dependence on flow direction and define the same value in the reverse direction as in the forward direction.

W3(I) JUNCTION NUMBER = 1

Applies to the first junction.

CARD CCC1001 - CCC1099, PIPE VOLUME CONTROL FLAGS

Card 1401001

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 = 2

Applies to both volumes.

CARD CCC1101 - CCC1199, PIPE JUNCTION CONTROL FLAGS

Card 1401101

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 = 1

Applies to the first junction.

CARD CCC1201 - CCC1299, PIPE VOLUME INITIAL CONDITIONS

Cards 1401201-1401202

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 = 8460462.0 Pa, 8475386.0 Pa

LIQUID SPECIFIC INTERNAL ENERGY = 1149194.0 J/kg, 1149237.0 J/kg

VAPOR SPECIFIC INTERNAL ENERGY = 2566256. 0 J/kg, 2566072. 0 J/kg

VAPOR VOID FRACTION = 0.0

W7(I) VOLUME NUMBER = 1, 2

CARD CCC1300, PIPE JUNCTION CONDITIONS CONTROL WORDS

Card 1401300

W1(I) CONTROL FLAG = 0

Velocities will be assumed for the first and second words on Card 1401301.

CARD CCC1301 - CCC1399, PIPE JUNCTION INITIAL CONDITIONS

Cards 1401301

W1(R) INITIAL LIQUID VELOCITY OR MASS FLOW = 4.77808 m/s

W2(R) INITIAL VAPOR VELOCITY OR MASS FLOW = 4.97145 m/s

W3(R) INTERFACE VELOCITY = Enter 0 m/s.

W4(I) JUNCTION NUMBER = 1

 

(141) MCP THROTTLING AND CHECK VALVE (LHS)

 

CARD CCC0000, COMPONENT NAME AND TYPE

Card 1410000

W1(A) COMPONENT NAME = lpmpchk

W2(A) COMPONENT TYPE = valve

CARD CCC0101 - CCC0109, VALVE GEOMETRY

Card 1410101

W1(I) FROM CONNECTION = 140010000

From the outlet side of the first potion of the MCP discharge header.

W2(I) TO CONNECTION = 1420000000

To the inlet side of the second potion of the MCP discharge header.

W3(R) JUNCTION AREA = 0.6665 m2

Simultaneously adjusted with the loss coefficients of this valve to give the desired steady state recirculation flow.

W4(R) FORWARD FLOW ENERGY LOSS COEFFICIENT = 5.28

Simultaneously adjusted with the loss coefficients of this valve to give the desired steady state recirculation flow.

W5(R) REVERSE FLOW ENERGY LOSS COEFFICIENT = 5.28

Assume no dependence on flow direction and define the same value in the reverse direction as in the forward direction.

W6(I) JUNCTION CONTROL FLAGS (fvcahs) = 001100

f = 0 The CCFL model will not be applied.

v = 0 This digit is not used by RELAP5 for valves.

c = 1 The choking model will not be applied.

a = 1 The abrupt area change option will be used.

h = 0 The nonhomogeneous option will be used.

s = 0 This digit is not used by RELAP5 for valves.

CARD CCC0201, VALVE INITIAL CONDITIONS

Card 1410201

W1(I) CONTROL WORD = 0

If 0, the next two words are velocities.

W2(R) INITIAL LIQUID VELOCITY OR MASS FLOW = 4.70668 m/s

W3(R) INITIAL VAPOR VELOCITY OR MASS FLOW = 4.70668 m/s

W4(R) INTERFACE VELOCITY = Enter 0 m/s.

CARD CCC0300, VALVE TYPE

Card 1410300

W1(A) VALVE TYPE = chkvlv

A check valve is modeled.

CARD CCC0301 - CCC0399, VALVE DATA AND INITIAL CONDITIONS

Card 1410301

W1(I) CHECK VALVE TYPE = 0

A static pressure/flow-controlled check valve (has hysteresis effect) is assumed.

W2(I) CHECK VALVE INITIAL POSITION = 0

The valve is initially open.

W3(R) CLOSING BACK PRESSURE = 700.0 Pa

Set to small valve to initiate closure during back-flow conditions

W4(R) LEAK RATIO = 0.0

 

(142) MAIN COOLANT PUMP DISCHARGE PIPING BEHIND THROTTLING VALVE AND CHECK VALVE TO THE PRESSURE HEADER (LHS)

 

CARD CCC0000, COMPONENT NAME AND TYPE

Card 1420000

W1(A) COMPONENT NAME = lpmpdis

W2(A) COMPONENT TYPE = pipe

CARD CCC0001, PIPE INFORMATION

Card 1420001

W1(I) NUMBER OF VOLUMES = 2

Modeling choice.

CARD CCC0101 - CCC0199, PIPE VOLUME FLOW AREAS

Card 1420101

W1(R) VOLUME FLOW AREA = 1.333 m2

There are three discharge pipes at 0.4442 m2 each (Ref. [ 6 ]).

W2(I) VOLUME NUMBER = 2

Applies to both volumes.

CARD CCC0201 - CCC0299, PIPE JUNCTION FLOW AREA

Card 1420202

W1(R) JUNCTION FLOW AREA = 1.333 m2

Consistent with the volume flow areas of this component.

W2(I) JUNCTION NUMBER = 1

Applies to the first junction.

CARD CCC0301 - CCC0399, PIPE VOLUME LENGTHS

Card 1420301

W1(R) VOLUME LENGTH = 5.692 m

W2(I) VOLUME NUMBER = 1

Applies to the first volume.

Card 1420302

W1(R) VOLUME LENGTH = 16.801 m

Equivalent to the elevation change given below for this volume.

W2(I) VOLUME NUMBER = 2

Applies to the second volume.

CARD CCC0401 - CCC0499, PIPE VOLUME VOLUMES

Card 1420401

W1(R) VOLUME OF VOLUME = 0.0

Volume will be calculated by RELAP5 (V=L*A).

W2(I) VOLUME NUMBER = 2

Applies to both volumes.

CARD CCC0501 - CCC0599, PIPE VOLUME HORIZONTAL ANGLES

Card 1420501

W1(R) AZIMUTHAL ANGLE = 0.0

Not currently used by RELAP5.

W2(I) VOLUME NUMBER = 2

Applies to both volumes.

CARD CCC0601 - CCC0699, PIPE VOLUME VERTICAL ANGLES

Card 1420601

W1(R) INCLINATION ANGLE = 0°

Consistent with the elevation change defined for this volume. Indicates a horizontal volume.

W2(I) VOLUME NUMBER = 1

Applies to the first volume.

Card 1420602

W1(R) INCLINATION ANGLE = 72.274°

W2(I) VOLUME NUMBER = 2

Applies to the second volume.

CARD CCC0701 - CCC0799, PIPE VOLUME ELEVATION CHANGES

Card 1420701

W1(R) ELEVATION CHANGE = 0.0

No elevation change is associated with this volume.

W2(I) VOLUME NUMBER = 1

Applies to the first volume.

Card 1420702

W1(R) ELEVATION CHANGE = 12.6 m

W2(I) VOLUME NUMBER = 2

Applies to the second volume.

CARD CCC0801 - CCC0899, PIPE VOLUME FRICTION DATA

Card 1420801

W1(R) WALL ROUGHNESS = 4.57e-5 m

Commercial steel surface (Ref. [ 3 ], p. 7-6).

W2(R) HYDRAULIC DIAMETER = 0.752 m

W3(I) VOLUME NUMBER = 2

Applies to both volumes.

CARD CCC0901 - CCC0999, PIPE JUNCTION LOSS

Card 1420901

W1(R) FORWARD LOSS COEFFICIENT = 2.12

W2(R) REVERSE LOSS COEFFICIENT = 2.12

W3(I) JUNCTION NUMBER = 1

Applies to the first junction.

CARD CCC1001 - CCC1099, PIPE VOLUME CONTROL FLAGS

Card 1421001

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 = 2

Applies to both volumes.

CARD CCC1101 - CCC1199, PIPE JUNCTION CONTROL FLAGS

Card 1421101

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 = 1

Applies to the first junction.

CARD CCC1201 - CCC1299, PIPE VOLUME INITIAL CONDITIONS

Cards 1421201-1421202

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 = 8474297.0 Pa, 8405703.0 Pa

LIQUID SPECIFIC INTERNAL ENERGY = 1149266.0 J/kg, 1149368.0 J/kg

VAPOR SPECIFIC INTERNAL ENERGY = 2566085. 0 J/kg, 2566936. 0 J/kg

VAPOR VOID FRACTION = 0.0

W7(I) VOLUME NUMBER = 1, 2

CARD CCC1300, PIPE JUNCTION CONDITIONS CONTROL WORDS

Card 1421300

W1(I) CONTROL FLAG = 0

Velocities will be assumed for the first and second words on Card 1401301.

CARD CCC1301 - CCC1399, PIPE JUNCTION INITIAL CONDITIONS

Cards 1421301

W1(R) INITIAL LIQUID VELOCITY OR MASS FLOW = 4.77802 m/s

W2(R) INITIAL VAPOR VELOCITY OR MASS FLOW = 4.77802 m/s

W3(R) INTERFACE VELOCITY = Enter 0 m/s.

W4(I) JUNCTION NUMBER = 1

 

(145) PUMP DISCHARGE HEADER (LHS)

 

The pump discharge header is a horizontal-cylindrical vessel. Flow enters from four pump discharge lines (three operating) and exits via 20 GDHs.

CARD CCC0000, COMPONENT NAME AND TYPE

Card 1450000

W1(A) COMPONENT NAME = lpdh

W2(A) COMPONENT TYPE = branch

CARD CCC0001, BRANCH INFORMATION

Card 1450001

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 1451201.

CARD CCC0101 - CCC0109, BRANCH VOLUME GEOMETRY

Card 1450101

W1(R) VOLUME FLOW AREA = 0.0

Volume to be calculated by RELAP5

W2(R) LENGTH OF VOLUME = 18.548 m

W3(R) VOLUME OF VOLUME = 11.8 m3

Reported fluid volume of a pump outlet header (Ref. [ 2 ]).

W4(R) AZIMUTHAL ANGLE = 0.0

Not currently used by RELAP5.

W5(R) INCLINATION ANGLE = 0.0°

Indicates a horizontal volume. Consistent with the elevation change given below.

W6(R) ELEVATION CHANGE = 0.0

The reported elevation difference between the inlet and outlet of a pump outlet header is zero (Ref. [ 6 ]).

W7(R) WALL ROUGHNESS = 4.57e-5 m

Commercial steel surface (Ref. [ 3 ], p. 7-6).

W8(R) HYDRAULIC DIAMETER = 0.9 m

W9(I) VOLUME CONTROL FLAGS (pvbfe) = 01010

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 = 1 Wall friction effects will not be computed.

e = 0 The nonequilibrium calculation will be used.

CARD CCC0200, BRANCH VOLUME INITIAL CONDITIONS

Card 1450200

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 = 8318147.0 Pa

LIQUID SPECIFIC INTERNAL ENERGY = 1149425.0 J/kg

VAPOR SPECIFIC INTERNAL ENERGY = 2568030. 0 J/kg

VAPOR VOID FRACTION = 0.0

CARD CCCN101, BRANCH JUNCTION GEOMETRY

Card 1451101

W1(I) FROM CONNECTION = 142010000

From the outlet side of the pump discharge piping.

W2(I) TO CONNECTION = 1450000000

To the inlet side of the pump discharge header.

W3(R) JUNCTION AREA = 1.3330

W4(R) FORWARD FLOW ENERGY LOSS COEFFICIENT = 0.9

Estimate (pipe exit).

W5(R) REVERSE FLOW ENERGY LOSS COEFFICIENT = 0.9

Estimate (pipe entrance with sharp edge).

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 1452101

W1(I) FROM CONNECTION = 145010000

From the outlet side of the pump discharge piping.

W2(I) TO CONNECTION = 1460000000

To the inlet side of the pump discharge header.

W3(R) JUNCTION AREA = 1.3670

W4(R) FORWARD FLOW ENERGY LOSS COEFFICIENT = 0.5

Estimate (pipe exit).

W5(R) REVERSE FLOW ENERGY LOSS COEFFICIENT = 0.5

Estimate (pipe entrance with sharp edge).

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 1453101

W1(I) FROM CONNECTION = 128010000

From the outlet side of the pump discharge piping.

W2(I) TO CONNECTION = 1450000000

To the inlet side of the pump discharge header.

W3(R) JUNCTION AREA = 0.4101

W4(R) FORWARD FLOW ENERGY LOSS COEFFICIENT = 0.9

Estimate (pipe exit).

W5(R) REVERSE FLOW ENERGY LOSS COEFFICIENT = 0.9

Estimate (pipe entrance with sharp edge).

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 1451201-1453201

W1(R) INITIAL LIQUID VELOCITY OR MASS FLOW = 4.77838 m/s, 5.33475 m/s, 7.48337-6 m/s

W2(R) INITIAL VAPOR VELOCITY OR MASS FLOW = 5.33475 m/s, 4.65996 m/s, 7.48341-6 m/s

W3(R) INTERFACE VELOCITY = Enter 0 m/s.