In NH3-water absorption system the heat is supplied to generator by condensing stream at 0.2 MPa. The initial state of the stream is at a dryness fraction of 0.9 and the final state of stream after condensing is saturated liquid. This temperature to be maintained in refrigerator is -10°C and surrounding temperature is 30°C. If relative efficiency is 0.4 and refrigeration load is 20 TR. The steam flow rate is kg/s. [Given: At 0.2 MPa, Tsat = 120°C and hfg=2201.9 kJ/kg]

In NH3-water absorption system the heat is supplied to generator by condensing stream at 0.2 MPa. The initial state of the stream is at a dryness fraction of 0.9 and the final state of stream after condensing is saturated liquid. This temperature to be maintained in refrigerator is -10°C and surrounding temperature is 30°C. If relative efficiency is 0.4 and refrigeration load is 20 TR. The steam flow rate is kg/s. [Given: At 0.2 MPa, Tsat = 120°C and hfg=2201.9 kJ/kg]

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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