Part II: Power Cycles & Fluid 3. 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 1.01KJ/kgK Specific heat capacity at constant volume of air at atmospheric pressure and room temperature: c, = 0.718KJ/kgK Cp Calculate: (i) the mass of the intake air (ii) the temperature T., (ii) the pressure n. (iv) the amount of heat added by burning fuel-air mixture; (v) the thermal efficiency of the cycle; (vi) the mean effective pressure (MEP).
Part II: Power Cycles & Fluid 3. 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 1.01KJ/kgK Specific heat capacity at constant volume of air at atmospheric pressure and room temperature: c, = 0.718KJ/kgK Cp Calculate: (i) the mass of the intake air (ii) the temperature T., (ii) the pressure n. (iv) the amount of heat added by burning fuel-air mixture; (v) the thermal efficiency of the cycle; (vi) the mean effective pressure (MEP).
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:Part II: Power Cycles & Fluid
3.
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.
c, = 0.718KJ/kgk
Calculate:
the mass of the intake air
(i)
(ii)
the temperature T.
(iii)
the pressure Di
(iv)
the amount of heat added by burning fuel-air mixture;
(v)
the thermal efficiency of the cycle;
(vi)
the mean effective pressure (MEP).
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