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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The compression ratio in an air standard Otto cycle is 9. At the beginning of the compression stroke, the pressure is 0.1 MPa and the temperature is 21 C. The heat transfer to the air per cycle is 2000 kJ/kg. Use the PG model for air. I am trying to find the Mean Effective Pressure from this information
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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