The evaporator and condenser temperature of a 20 to-ton -capacity freezer are -28 OC and 23 OC respectively .The refrigerant 22 is subcooled by 3 OC before it enters the expansion valve and is superheated to 8 OC before leaving the evaporator .The compression is isentropic . A six cylinder single acting with stroke equal to bore running at 250 rpm is used . Neglect valve throttling and clearance effect detemine refrigerant effect calculate the theoretical piston displacement heat removed through the condenser calculate the theoretical bore and stroke of the compressor
The evaporator and condenser temperature of a 20 to-ton -capacity freezer are -28 OC and 23 OC respectively .The refrigerant 22 is subcooled by 3 OC before it enters the expansion valve and is superheated to 8 OC before leaving the evaporator .The compression is isentropic . A six cylinder single acting with stroke equal to bore running at 250 rpm is used . Neglect valve throttling and clearance effect detemine refrigerant effect calculate the theoretical piston displacement heat removed through the condenser calculate the theoretical bore and stroke of the compressor
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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The evaporator and condenser temperature of a 20 to-ton -capacity freezer are -28 OC and 23 OC respectively .The refrigerant 22 is subcooled by 3 OC before it enters the expansion valve and is superheated to 8 OC before leaving the evaporator .The compression is isentropic . A six cylinder single acting with stroke equal to bore running at 250 rpm is used . Neglect valve throttling and clearance effect
detemine
refrigerant effect
calculate the theoretical piston displacement
heat removed through the condenser
calculate the theoretical bore and stroke of the compressor
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