Assume an Otto cycle with compression ratio of CR = 9 1. The intake air is at 100kPa, 20°C, and the volume of the chamber is 500cm prior to the compression stroke. The temperature at the end of the adiabatic expansion is T.= 800K. If air specific heat capacity at constant pressure of air at atmospheric pressure and room temperature is c, 1.01KJ/kgK Specific heat capacity at constant volume of air at atmospheric pressure and room temperature: Cy = 0.718KJ/kgK Calculato-
Assume an Otto cycle with compression ratio of CR = 9 1. The intake air is at 100kPa, 20°C, and the volume of the chamber is 500cm prior to the compression stroke. The temperature at the end of the adiabatic expansion is T.= 800K. If air specific heat capacity at constant pressure of air at atmospheric pressure and room temperature is c, 1.01KJ/kgK Specific heat capacity at constant volume of air at atmospheric pressure and room temperature: Cy = 0.718KJ/kgK Calculato-
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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Transcribed Image Text:art Il: Power Cycles & Fluid
Assume an Otto cycle with compression ratio of
CR = 9 1. The intake air is at 100kPa, 20°C, and the volume
of the chamber is 500cm prior to the compression stroke. The
temperature at the end of the adiabatic expansion is T.
800K. If air specific heat capacity at constant pressure of air at
atmospheric pressure and room temperature is c
1.01KJ/kgK Specific heat capacity at constant volume of air at
atmospheric pressure and room temperature:
Cy = 0.718KJ/kgK
Calculate:
(i)
the mass of the intake air
(ii)
the temperature T3,
(iii)
the pressure pa,
(iv)
the amount of heat added by burning fuel-air mixture
(v)
the thermal efficiency of the cycle;B
(vi)
the mean effective pressure (MEP).
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