Q14 An air standard Otto cycle has a compression ratio of (8), temperature andpressure at the beginning of compression are (20 °C) and (1 bar) respectively. Theconstant volume heat addition is (1800 Kj/Kg). Calculate the maximum temperatureand pressure for the cycle and the temperature at the end of the expansion process.What is the efficiency and mean effective pressure of the cycle? Take Cv = 0.7288Kj/Kg.K and y=1.41.Answers: T3-3156.8K, P3-8622.6 KN/m², T4=1345.8K, 57.36 %, 1348.9 KN/m²

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Answered: Q14 An air standard Otto cycle has a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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A cycle that works with standard air complies with the Otto principle, this cycle has a compression ratio of 9, plus a maximum temperature of 1400 K and a minimum temperature of 250 K. If variable specific heats are taken into account with the change oftemperatures, calculate:1. The thermal efficiency of the cycle.2. Amount of heat transferred to the air3. The temperature at the completion of the isentropic expansion.4. Generate the P-v and T-s Charts with all the data
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