(d) A vacuum system is used to evacuate (purge) refrigerant gas from an air-conditioning system. i.If the required flow rate of air through the 30 mm diameter inlet pipe is 1.8 m3/minute, determine the pressure drop through the vacuum system, given that power consumption is 1kW, and the final air velocity in the vacuum chamber is negligible.(Take the density of air as 1.2 kg/m3) ii.If the ambient atmospheric pressure is 1.013 bar, also determine the vacuum pressure (suction) in torrs developed by the system.
(d) A vacuum system is used to evacuate (purge) refrigerant gas from an air-conditioning system. i.If the required flow rate of air through the 30 mm diameter inlet pipe is 1.8 m3/minute, determine the pressure drop through the vacuum system, given that power consumption is 1kW, and the final air velocity in the vacuum chamber is negligible.(Take the density of air as 1.2 kg/m3) ii.If the ambient atmospheric pressure is 1.013 bar, also determine the vacuum pressure (suction) in torrs developed by 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
Chapter40: Typical Operating Conditions
Section: Chapter Questions
Problem 10RQ: The seasonal energy efficiency ratio (SEER) includes the energy used in the _____and _____cycles.
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