Show that the efficiency of the standard Otto cycle (shown in Fig. 13.12) is 1-1, where r = V₁/V₂ is the compression ratio. The Otto cycle is the four-stroke cycle in internal combustion engines in cars, lorries, and electrical generators.

Show that the efficiency of the standard Otto cycle (shown in Fig. 13.12) is 1-1, where r = V₁/V₂ is the compression ratio. The Otto cycle is the four-stroke cycle in internal combustion engines in cars, lorries, and electrical generators.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter4: The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 90CP: Consider an ideal gas Joule cycle, also called the Brayton cycle, shown below. Find the formula for...

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Question

pressure
V₁₂-V₁₂
isochore
3
adiabat
adiabat
V₁=V₁
isochore
-Q2
volume
Fig. 13.12 The Otto cycle. (An isochore is a line of
constant volume.)
13.5) Show that the efficiency of the standard Otto cycle
(shown in Fig. 13.12) is 1-1, where r = V1/V2
is the compression ratio. The Otto cycle is the
four-stroke cycle in internal combustion engines in
cars, lorries, and electrical generators.

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