A rankine cycle operates between a pressure limit of 6 MPa. and 50 kPa., the steam leaves the boiler at 450 C, the isentropic efficiency of the turbine is 94%, the steam mass flow rate is 20kg/sec. draw the T-S diagram assuming point 1 is at the pumpe entrance. and determine the required power to operate the pump, cycle thermal efficiency. Ans. (122 kW, 30.25%)

A rankine cycle operates between a pressure limit of 6 MPa. and 50 kPa., the steam leaves the boiler at 450 C, the isentropic efficiency of the turbine is 94%, the steam mass flow rate is 20kg/sec. draw the T-S diagram assuming point 1 is at the pumpe entrance. and determine the required power to operate the pump, cycle thermal efficiency. Ans. (122 kW, 30.25%)

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

Chapter28: Special Refrigeration Applications

Section: Chapter Questions

Problem 19RQ: Two methods used to power refrigeration compressors on a ship are _____and ____.

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