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Get Full Access to Fluid Mechanics - 2 Edition - Chapter 2 - Problem 101p
Get Full Access to Fluid Mechanics - 2 Edition - Chapter 2 - Problem 101p

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# The combustion in a gasoline engine may be approximated by

ISBN: 9780071284219 39

## Solution for problem 101P Chapter 2

Fluid Mechanics | 2nd Edition

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Problem 101P

The combustion in a gasoline engine may be approximated by a constant volume heat addition process, and the contents of the combustion chamber both before and after

figure p2-107

combustion as air. The conditions are 1.8 MPa and 450°C before the combustion and 1300°C alter it. Determine the pressure at the end of the combustion process.

Step-by-Step Solution:

Step 1:

A gasoline engine operating at constant volume heat addition process. Assume that the gas is ideal. From ideal gas equation we can say that the pressure is directly proportional to the temperature

PT -----(1)

The initial pressure of the chamber P1 = 1.8 MPa

The initial temperature of the chamber T1 = 450°C or 723.15 K

The final temperature of the chamber T2 = 1300°C or 1573.15 K

Step 2 of 3

Step 3 of 3

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