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erature of the air a cycle is 1,344 °c. num speed. Thake

erature of the air a cycle is 1,344 °c. num speed. Thake

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A petrol engine with compression ratio of 15:1 was analysed as an air-standard cycle. The inlet pressure and temperature of the air are 101 kPa and 15 °C respectively while the maximum temperature of the cycle is 1,344 °C. The mass flow rate of air through the engine is 615 kg/min when running at its optimum speed. Thake the specific heat capacites at constant pressure as 1.0038 and 0.714 kJ/kgK. Calculate the thermal efficiency of the cycle power obtainable from the cycle in % to 1 decimal place.
Transcribed Image Text:A petrol engine with compression ratio of 15:1 was analysed as an air-standard cycle. The inlet pressure and temperature of the air are 101 kPa and 15 °C respectively while the maximum temperature of the cycle is 1,344 °C. The mass flow rate of air through the engine is 615 kg/min when running at its optimum speed. Thake the specific heat capacites at constant pressure as 1.0038 and 0.714 kJ/kgK. Calculate the thermal efficiency of the cycle power obtainable from the cycle in % to 1 decimal place.
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