Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 18 MPa. The condenser pressure is 6 kPa. Determine (a) the net work per unit mass of steam flowing, in kJ/kg, (b) the heat transfer to the steam passing through the boiler in kJ/ kg of steam flowing, (c) the thermal efficiency, (d) the heat transfer to cooling water passing through the condenser, in kJ/ kg of steam condensed

Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 18 MPa. The condenser pressure is 6 kPa. Determine (a) the net work per unit mass of steam flowing, in kJ/kg, (b) the heat transfer to the steam passing through the boiler in kJ/ kg of steam flowing, (c) the thermal efficiency, (d) the heat transfer to cooling water passing through the condenser, in kJ/ kg of steam condensed

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 15RQ: Why is two-stage compression popular for extra-low-temperature refrigeration systems?

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