Secondary Coolant Sim Variables

Overview here.

Inputs

Here.

Outputs

Here.

 

 

 

 

 

 

Coolant Flow

Summary here.

COMPONENT VAR CODE NAME DECSRIPTION EQUATION TYPE NOM UPPER LOWER MAX MIN
SCL FLOWCONST Flow Constant   Constant S 0.6        
SCL FLOWMOD Flow Modifier   Constant S 0.15        
SCL PUMP Pump Power Power allocated to pump   C 5        
SCL PUMPSTEP Pump Step  Pump output per power unit   S 10        
SCL PPRESS Pump Pressure Pump output pressure PUMP * PUMPSTEP P 50        
SCL SCI Stored Coolant Input Input of coolant from storage to loop   C          
SCL SCT Stored Coolant Transfer Coolant transferred to coolant loop SCVOL + SCI P          
SCL SCATT Secondary Coolant Attrition Production control: loss of coolant   C          
SCL SLVOL Secondary loop volume Maximum volume of secondary loop   S 1        
SCL SCVOL Secondary coolant volume   SCT - SCATT P .78        
SCL CFLOW Coolant Flowrate Volume change per tick PPRESS / PPRESS(Nom) P 1        

Thermal Exchanger

Summary here.

COMPONENT VAR CODE NAME DESCRIPTION EQUATION TYPE NOM UPPER LOWER MAX MIN
SCL TXVOL Thermal Flux Volume Conversion Adjusts primary thermal flux from W to W/m3 POWER(PFLUX,HALF) P          
SCL TXTRANS Thermal Flux Transferred Primary thermal flux transfer adjusted for volume of secondary coolant volume TXVOL * SCVOL P          
SCL TXCfA TXCFunction Stage A   SLVOL - SCVOL P          
SCL TXCfB TXCFunction Stage B   CFLOW(Nom) - CFLOW P          
SCL TXCfC TXCFunction Stage C   TXCfB - TXCfA P          
SCL TXCfD TXC Function Stage D   TXCfC * FLOWMOD P          
SCL TXCfE TXCFunction Stage E   GLOABL(ONE) + TXCfD P          
SCL TXC Thermal Exchnage  Thermal transfer between prmary and seocndary coolant loops TXTRANS * TXCfE P          
SCL SXOUT Exchanger Secondary Loop Output Temperature of secondary loop exiting thermal exchanger in degrees centigrade TXC * WDCF P          

Isothermal Radiators

Summary here.

COMPONENT VAR CODE NAME DESCRIPTION EQUATION TYPE NOM UPPER LOWER MAX MIN
ISOx ISOx ISO Radiator Status Radiator is active (1) or inactive (0) IF STATUS=0 THEN STOP, ELSE PROCEED C          
ISOx SAREA ISO Surface Area     S 40        
ISOx TCOFF Transfer Co-effcicient     S 0.015        
ISOx SCOFF Surface Area Transfer Co-Efficient   SAREA * TCOFF P          
ISOx FCONST Flow Constant     S 0.58        
ISOx FMOD Flow Modifier     S 0.39        
ISOx DWATTS Delta Watt Converstion Conversion of delta temperature to watts

DELTAP / WDCF (ISO1&2)
DELTAS / WDCF (ISO3&4)

P          
ISOx TRANS Thermal Transfer Rate   SCOFF * DWATTS P          
ISOx ICVOL ISO Coolant Volume Volume of coolant being routed through ISO SCVOL / ACTIVE P          
ISOx FADJfA FADJ Function Stage A   FMOD -  ICVOL P          
ISOx FADJ ISO Flow Adjustment   FADJfA * GLOBAL(TWO) P          
ISOx FPERfA FPER Function Stage A   SCVOL / ICVOL P          
ISOx FPER ISO Flow Percentage Percentage of total flow going through (active) ISOs CFLOW / FPERfA P          
ISOx ITERfA ITER Function Stage A   FPER + FADJ P          
ISOx ITERfB ITER Function Stage B   GLOBAL(ONE) - ITERfA P          
ISOx ITERfC ITER Function Stage C   ITERfB * FCONST P          
ISOx ITERfD ITER Function Stage D   GLOBAL(ONE) - ITERfC P          
ISOx ITER ISO Thermal Exchange Rate Rate of thermal exchange flow compensated TRANS * ITERfD P          
ISOx ITERDC ITER Degrees Centigrade ITER converted to degrees centigrade ITER * WDCF P          
ISOx ISOOUT ISO Output Temperature   GENOUT - ITERDC p          
ISOx AVGOUTfA AVGOUT Function Stage A   GLOBAL(FOUR) * FPER P          
ISOx AVGOUT Average-Weighted Output Temp   AVGOUTfA * ISOOUT P          

Radiant Heat Sink Array

Summary here.

COMPONENT VAR CODE NAME DESCRIPTION EQUATION TYPE NOM UPPER LOWER MAX MIN
RHSA PENV Port Environmental Temp Current environmental temp - input from nav system required   S          
RHSA SENV Staboard Environmental Temp Current environmental temp - input from nav system required   S          
RHSA ACTIVEP ISO Radiators Active - Port   ISO1(STATUS) + ISO2(STATUS) P          
RHSA ACTIVES ISO Radiators Active - Starboard   ISO3(STATUS) + ISO4(STATUS) P          
RHSA ACTIVE ISO Radiators Active - Consolidated   ACTIVEP + ACTIVES P          
RHSA DELTAP Temperature Delta - Port Delta between environmental and secondary loop temperatures GENOUT - PENV (for ISO1&2)
 
P          
RHSA DELTAS Temperature Delta - Starboard   GENOUT - SENV (for ISO3&4) P          
RHSA AVGOUTP Average-Weighted Output Port   ISO1(AVGOUT) + ISO2(AVGOUT) P          
RHSA AVGOUTS Average-Weighted Output Starboard   ISO3(AVGOUT) + ISO4(AVGOUT) P          
RHSA AVGOUT Consolidated Average-Weighted Output   AVGOUTP + AVGOUTS P          
RHSA RHSAOUT RHSA Output Temperature   AVGOUT / GLOBAL(FOUR) P