n a Refrigerant 12 system which serves a 212 kw evaporator at - 30 0C. The system uses two stage compression with intercooling and removal of flash gas. The condenser temp is 400C . Given that, h2=356kJ/kg, h4=367kJ/kg Compute the following: a.) mass flow rate at low stage compressor (m1) ANSWER: 1.53661 kg/s b.) mass flow rate at high stage compressor (m3) ANSWER: 2.11791 kg/s c.) low stage compressor work ANSWER: 27.43931 kw d.) high stage compressor work ANSWER: 32.63926 kw e.) total compressor work ANSWER: 60.078575 kw f.) COP ANSWER: 3.52871 g.) heat rejected in the condenser ANSWER: 272.07857 kw
n a Refrigerant 12 system which serves a 212 kw evaporator at - 30 0C. The system uses two stage compression with intercooling and removal of flash gas. The condenser temp is 400C . Given that, h2=356kJ/kg, h4=367kJ/kg Compute the following: a.) mass flow rate at low stage compressor (m1) ANSWER: 1.53661 kg/s b.) mass flow rate at high stage compressor (m3) ANSWER: 2.11791 kg/s c.) low stage compressor work ANSWER: 27.43931 kw d.) high stage compressor work ANSWER: 32.63926 kw e.) total compressor work ANSWER: 60.078575 kw f.) COP ANSWER: 3.52871 g.) heat rejected in the condenser ANSWER: 272.07857 kw
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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In a Refrigerant 12 system which serves a 212 kw evaporator at - 30 0C. The system uses two stage compression with intercooling and removal of flash gas. The condenser temp is 400C . Given that, h2=356kJ/kg, h4=367kJ/kg
Compute the following:
a.) mass flow rate at low stage compressor (m1)
ANSWER: 1.53661 kg/s
b.) mass flow rate at high stage compressor (m3)
ANSWER: 2.11791 kg/s
c.) low stage compressor work
ANSWER: 27.43931 kw
d.) high stage compressor work
ANSWER: 32.63926 kw
e.) total compressor work
ANSWER: 60.078575 kw
f.) COP
ANSWER: 3.52871
g.) heat rejected in the condenser
ANSWER: 272.07857 kw
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