2. An air refrigerator working on the principle of Bell-Coleman cycle. The air into the compressor is at 1 atm at -10°C. It is compressed to 10 atm and cooled to 40°C at the same pressure. It is then expanded to I atm and discharged to take cooling load. The air circulation is 1 kg/s. The isentropic efficiency of the compressor = 80% The isentropic efficiency of the expander = 90% Find the following: i) ii) Refrigeration capacity of the system C.O.P of the system

2. An air refrigerator working on the principle of Bell-Coleman cycle. The air into the compressor is at 1 atm at -10°C. It is compressed to 10 atm and cooled to 40°C at the same pressure. It is then expanded to I atm and discharged to take cooling load. The air circulation is 1 kg/s. The isentropic efficiency of the compressor = 80% The isentropic efficiency of the expander = 90% Find the following: i) ii) Refrigeration capacity of the system C.O.P of the system

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter45: Domestic Refrigerators And Freezers

Section: Chapter Questions

Problem 20RQ: Welded ______sealed compressors are normally used in household refrigerators.

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Similar questions

Welded ______sealed compressors are normally used in household refrigerators.
Define the Reversible Adiabatic Compression
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A trubo-charge, 16 cylinder, vee-type diesel engine has an air comsumpyion of 3000 kg/hr per cylinder at rate load and speed. this air is drawn in through a filter by a centrifugal compressor directly connected to the exhaust gas turbine. the temperature of the air from the compressor to 145 C and a counter flow air cooler reduced the air temperature to 45 C. before it goes to the engine suction header. cooling water enters air at 30 C and leaves at 38 C. calculate the quantity of the cooling water in m/hr required to cool the total air requirement of the engine at rate load and speed. ( hint: use AMTD)
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An air refrigerator working on the principle of Bell-Coleman cycle. The air into thecompressor is at 1 atm at -10oC. It is compressed to 10 atm and cooled to 40oC at the samepressure. It is then expanded to 1 atm and discharged to take cooling load. The aircirculation is 1 kg/s. The isentropic efficiency of the compressor and expander is 80% and90 % respectively. Find the following:i) Refrigeration capacity of the systemii) C.O.P of the system, Take γ = 1.4, Cp = 1.00 kJ/kg oC