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A refrigerant 22 refrigeration carries a load of 82 kW at an evaporator pressure of 354 kPa and a condenser pressure of 1460 kPa. The liquid refrigerant is subcooled by 4 degrees before entering the expansion valve and the vapor is superheated by 5 degrees before entering the compressor. The stroke-to-bore ratio of the twin-cylinder compressor is 1.20 and the actual volumetric efficiency is 81 percent. Determine: a. The mass flowrate of the cooling water in the condenser for a 7-degree change in temperature, b. The bore and stroke

A refrigerant 22 refrigeration carries a load of 82 kW at an evaporator pressure of 354 kPa and a condenser pressure of 1460 kPa. The liquid refrigerant is subcooled by 4 degrees before entering the expansion valve and the vapor is superheated by 5 degrees before entering the compressor. The stroke-to-bore ratio of the twin-cylinder compressor is 1.20 and the actual volumetric efficiency is 81 percent. Determine: a. The mass flowrate of the cooling water in the condenser for a 7-degree change in temperature, b. The bore and stroke

Elements Of Electromagnetics
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 refrigerant 22 refrigeration carries a load of 82 kW at an evaporator pressure of 354 kPa

and a condenser pressure of 1460 kPa. The liquid refrigerant is subcooled by 4 degrees

before entering the expansion valve and the vapor is superheated by 5 degrees before

entering the compressor. The stroke-to-bore ratio of the twin-cylinder compressor is 1.20

and the actual volumetric efficiency is 81 percent. Determine:

a. The mass flowrate of the cooling water in the condenser for a 7-degree change in

temperature,

b. The bore and stroke 

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