Introduction to Chemical Engineering Thermodynamics
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: McGraw-Hill Education
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Chapter 7, Problem 7.8P
Interpretation Introduction

Interpretation:

The equation of throat velocity should be derived for converging/diverging nozzle when an ideal gas with constant heat capacities enters into it and expands isentropically.

Concept introduction:

A converging/diverging nozzle is a decreasing and increasing area nozzle that starts with a big cross- sectional area and decreases with the length of the nozzle till throat and then increases again. Due to mass conservation fluid enters from the smaller cross-section has to speed up till throat, then decreases as the area increases, which shows us that the velocity is maximum in the throat due to a smaller cross-section.

Introduction to Chemical Engineering Thermodynamics, Chapter 7, Problem 7.8P

Fig. Converging/Diverging nozzle

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