An Otto cycle uses air as its working fluid. The compression ratio of the cycle is 10. 1,800 kJ/kg of heat is added during the heat addition process. If the temperature and pressure at the end of compression are 444C and 2,168Kpa. Assume constant specific heats for the analysis, determine (a) the temperature and pressure at the end of each process, (b) the thermal efficiency of the process (c) the net Work of the cycle (d)mean effective pressure of the cycle.

An Otto cycle uses air as its working fluid. The compression ratio of the cycle is 10. 1,800 kJ/kg of heat is added during the heat addition process. If the temperature and pressure at the end of compression are 444C and 2,168Kpa. Assume constant specific heats for the analysis, determine (a) the temperature and pressure at the end of each process, (b) the thermal efficiency of the process (c) the net Work of the cycle (d)mean effective pressure of the cycle.

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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