[BLDG-SIM] heat rejection question

[sbedard at bpa.ca]

I'm modeling a condenser loop with eQuest. The chiller condenser pump powers
the loop and the fluid cooler pump acts as a recirculation pump. The loop
net load includes the heat from both pumps (115534 btu/h), but the cooling
tower load doesn't seem to reject heat from the recirculation pump (62604
btu/h). Could anyone help me understand how DOE calculates the heat rejected
by the cooling towers ? Why the recirculation pump heat is considered in the
loop net load but is not rejected ?
 
 
         L-EGL-RH    L-EGL-RH     L-EGL-RH  L-EGL-RH    ETR PRIM     ETR
PRIM   L-ETR-TR
         1           1            1         1           AIRE         AIRE
1       
          CHILLER        HEAT         HEAT  START-UP    NET LOOP
PUMP    COOLING
             LOAD    REJECTED     RECOVERD      LOAD        LOAD
HEAT   TWR LOAD
         BTU/HR      BTU/HR       BTU/HR    BTU/HR      BTU/HR       BTU/HR
BTU/HR  
 

         ----( 1)    ----(19)     ----(20)  ----(30)    ----( 5)
----(26)   ----( 1)
1231 1      50749.     63075.3         0.0      0.0        178215.   115534.
115611.
1231 2      51642.     64186.3         0.0      0.0        179432.   115534.
116828.
1231 3      52403.     65131.4         0.0      0.0        180420.   115534.
117816.
1231 4      53048.     65933.4         0.0      0.0        181259.   115534.
118656.
1231 5      53620.     66644.9         0.0      0.0        181995.   115534.
119391.
1231 6      54117.     67261.8         0.0      0.0        182636.   115534.
120032.
1231 7      54566.     67819.8         0.0      0.0        183209.   115534.
120606.
1231 8    1863450.   2219465.8         0.0      0.0       2260712.   115534.
2198109.
1231 9    1995354.   2379245.8         0.0      0.0       2455264.   115534.
2392660.
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/>
Thanks, 
 
 
 
=====================
Simon Bédard, ing. jr
Bouthillette Parizeau & Ass.
T. (514) 383-3747  ext. 217
F. (514) 383-8760
sbedard at bpa.ca <mailto:sbedard at bpa.ca> 
 
 


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