In the Otto cycle the initial pressure and temperature of compression are 100 kPa and 40°C, it is known that the compression volume ratio is 6:1 and the heat supplies per cycle is 1000 kJ/kg. The working fluid is air with Cv=0.718 kJ/kgK, and γ=1.4. Determine: a) P-v diagram of the Otto cycle b) Cycle maximum temperature c) work done d) Released calories e)
In the Otto cycle the initial pressure and temperature of compression are 100 kPa and 40°C, it is known that the compression volume ratio is 6:1 and the heat supplies per cycle is 1000 kJ/kg. The working fluid is air with Cv=0.718 kJ/kgK, and γ=1.4. Determine: a) P-v diagram of the Otto cycle b) Cycle maximum temperature c) work done d) Released calories e)
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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In the Otto cycle the initial pressure and temperature of compression are 100 kPa and 40°C, it is known that the compression volume ratio is 6:1 and the heat supplies per cycle is 1000 kJ/kg. The working fluid is air with Cv=0.718 kJ/kgK, and γ=1.4.
Determine:
a) P-v diagram of the Otto cycle
b) Cycle maximum temperature
c) work done
d) Released calories
e) Cycle thermal efficiency
Transcribed Image Text:In the Otto cycle the initial pressure and temperature of compression are 100 kPa and 40°C, it is
known that the compression volume ratio is 6:1 and the heat supplied per cycle is 1000 kJ/kg. The
working fluid is air with Cv = 0.718 kJ/kgK, and y = 1.4.
Determine:
a) P-v diagram of the Otto cycle
b) Cycle maximum temperature
c) work done
d) Released calories
e) Cycle thermal efficiency
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Step 1: (a) Otto cycle on a P-V diagram
VIEWStep 2: Initial specific volume (V1) of air(m3/kg)
VIEWStep 3: Pressure and volume of the air at the end of isentropic compression (P2,V2)
VIEWStep 4: (b) Cycle maximum temperature
VIEWStep 5: (c) Work done by air
VIEWStep 6: (d) Released calories
VIEWStep 7: (e) Cycle thermal efficiency
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