PARTS A, B, C, D HAVE ALREADY BEEN SOLVED AND THE ANSWERS ARE GIVEN BELOW EACH...
PARTS A, B, C, D HAVE ALREADY BEEN SOLVED AND THE ANSWERS ARE GIVEN BELOW EACH OF THOSE, PLEASE SOLVE SECTIONS E, F, G
In a steam plant, saturated steam enters the turbine at 585 psig. The isentropic pump work is 1.8 BTU/lbm. Condensate exits the condenser at 144 ºF. The pump is 80% efficient and the turbine is 90% efficient. The fuel flow rate is 2.5 lbm/min and the fuel HHV is 19,500 BTU/lbm. Engine Mechanical efficiency is 72%. Assume atmospheric pressure is 15 psia.
Find:
a. Calculate the pressure (psia) in the condenser.
(163 psia)
b. Calculate the amount of condensate depression (CD in ºF).
(221.02 F)
c. Calculate the steam temperature (ºF) generated by the boiler.
(820.4 F)
d. Which should be greater: Isentropic or Real pump work?
(real pump work)
e. Calculate all state point enthalpies (h in BTU/lbm).
f. Which should be greater: Isentropic or Real turbine work?
g. Determine the boiler efficiency (%) if the steam flow rate is 42 lbm/min.
Homework Answers
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PARTS A, B, C, D HAVE ALREADY BEEN SOLVED AND THE ANSWERS ARE
GIVEN BELOW EACH...
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