(3) A manufacturing company is intending to use its water cooled condenser for its proposed cold storage room. The name plate of the condenser gives the following specifications: refrigerant condenser water inlet condenser water outlet condensing temperature refrigerant flow circulating water flow ammonia 30°C 40°C 35 C 3.84 kg/min 120 kg/min (a) If the company decided to purchase a new compressor and evaporator, find the tonnage of the system and the temperature in the evaporator, (b) what is the COP? (c) find the theoretical hp required. Ans. (a) 19.73 TR; -8°C, (b) 4.83, (c) 19.26 hp

(3) A manufacturing company is intending to use its water cooled condenser for its proposed cold storage room. The name plate of the condenser gives the following specifications: refrigerant condenser water inlet condenser water outlet condensing temperature refrigerant flow circulating water flow ammonia 30°C 40°C 35 C 3.84 kg/min 120 kg/min (a) If the company decided to purchase a new compressor and evaporator, find the tonnage of the system and the temperature in the evaporator, (b) what is the COP? (c) find the theoretical hp required. Ans. (a) 19.73 TR; -8°C, (b) 4.83, (c) 19.26 hp

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

Chapter47: High-pressure, Low-pressure, And Absorption Chilled-water Systems

Section: Chapter Questions

Problem 13RQ: The subcooling temperature in a condenser can be measured by taking the difference between the A....

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