An engine, operating on an Otto cycle, has a compression ratio of 10/1. The pressure and temperature of the air at the start of the compression process are 140 kPa and 45 oC respectively. The heat input on to the cycle is 710 kJ/kg. Given that Cv = 0.718 kJ/kgK and γ = 1.4, determine: (i) The thermal efficiency. (ii) The maximum temperature in the cycle. (iii) The maximum pressure. (iv) The network output per kg of air. Please answer all parts.
An engine, operating on an Otto cycle, has a compression ratio of 10/1. The pressure and temperature of the air at the start of the compression process are 140 kPa and 45 oC respectively. The heat input on to the cycle is 710 kJ/kg. Given that Cv = 0.718 kJ/kgK and γ = 1.4, determine: (i) The thermal efficiency. (ii) The maximum temperature in the cycle. (iii) The maximum pressure. (iv) The network output per kg of air. Please answer all parts.
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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An engine, operating on an Otto cycle, has a compression ratio of 10/1. The
pressure and temperature of the air at the start of the compression process are 140
kPa and 45 oC respectively. The heat input on to the cycle is 710 kJ/kg. Given that
Cv = 0.718 kJ/kgK and γ = 1.4, determine:
(i) The thermal efficiency.
(ii) The maximum temperature in the cycle.
(iii) The maximum pressure.
(iv) The network output per kg of air.
Please answer all parts.
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