During a fall season a heat pump is operating on a heating mode to maintain a large convention hall at 24°C during which the outside temperature is 5 C. The system is using R134a as a working fluid. The refrigerant leaves the condenser at 30°C and enters a compressor at -5°C. The refrigerant flow rate is 0.3 kg/s. Assume an ideal VCC to evaluate the system and report the followings:

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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 d e f g

During a fall season a heat pump is operating on a heating mode to maintain a
large convention hall at 24°C during which the outside temperature is 5ºC. The
system is using R134a as a working fluid. The refrigerant leaves the condenser at
30°C and enters a compressor at -5°C. The refrigerant flow rate is 0.3 kg/s.
Assume an ideal VCC to evaluate the system and report the followings:
a. Draw the system
b. Draw process flow diagram for the cycle
c. Draw detail Ts diagram for this cycle
d. Heating capacity kJ/hr
e. What is the COP of the system? Is actual COP is higher or lower? Explain.
f. What is the power required kW and hp?
g. What is maximum COP?
Transcribed Image Text:During a fall season a heat pump is operating on a heating mode to maintain a large convention hall at 24°C during which the outside temperature is 5ºC. The system is using R134a as a working fluid. The refrigerant leaves the condenser at 30°C and enters a compressor at -5°C. The refrigerant flow rate is 0.3 kg/s. Assume an ideal VCC to evaluate the system and report the followings: a. Draw the system b. Draw process flow diagram for the cycle c. Draw detail Ts diagram for this cycle d. Heating capacity kJ/hr e. What is the COP of the system? Is actual COP is higher or lower? Explain. f. What is the power required kW and hp? g. What is maximum COP?
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