A two-stage cascade refrigeration system uses ammonia as the working substance. The evaporator is at -40 deg C and the high-pressure condenser is at 2035.9 kPa. The cascade condenser is a direct-contact type. The refrigeration load is 90 tons.compute for the cascade condenser pressure in kPa for minimum work. compute for the mass flow rate of the refrigerant in the low pressure loop. compute for the mass flow rate of the refrigerant in the high pressure loop.compute for the power requirement in the low stage loop. compute for the power requirement in the high stage loop. compute the total power requirement for the system. compute the COP for the system. compute the percentage of quantity of the fluid entering the evaporator.
A two-stage cascade refrigeration system uses ammonia as the working substance. The evaporator is at -40 deg C and the high-pressure condenser is at 2035.9 kPa. The cascade condenser is a direct-contact type. The refrigeration load is 90 tons.compute for the cascade condenser pressure in kPa for minimum work. compute for the mass flow rate of the refrigerant in the low pressure loop. compute for the mass flow rate of the refrigerant in the high pressure loop.compute for the power requirement in the low stage loop. compute for the power requirement in the high stage loop. compute the total power requirement for the system. compute the COP for the system. compute the percentage of quantity of the fluid entering the evaporator.
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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A two-stage cascade refrigeration system uses ammonia as the working substance. The evaporator is at -40 deg C and the high-pressure condenser is at 2035.9 kPa. The cascade condenser is a direct-contact type. The refrigeration load is 90 tons.compute for the cascade condenser pressure in kPa for minimum work. compute for the mass flow rate of the refrigerant in the low pressure loop. compute for the mass flow rate of the refrigerant in the high pressure loop.compute for the power requirement in the low stage loop. compute for the power requirement in the high stage loop. compute the total power requirement for the system. compute the COP for the system. compute the percentage of quantity of the fluid entering the evaporator.
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