Chapter

Elements of Gas Dynamics

Raymond Brun

in Introduction to Reactive Gas Dynamics

Published in print February 2009 | ISBN: 9780199552689
Published online May 2009 | e-ISBN: 9780191720277 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199552689.003.0010
 Elements of Gas Dynamics

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This chapter presents the general features of traditional gas dynamics, deduced from the ideal gas model assuming no reaction and constant specific heats. Examples are given including one-dimensional isentropic flows, shock waves, and boundary layers. In the framework of these examples, various flow configurations are considered such as expanding flows in nozzles, kinematics of shock waves, and boundary layers with and without pressure gradient, and turbulent flows. Calculation methods of flow quantities are presented, such as the method of characteristics for isentropic flows, Rankine-Hugoniot relations for shock waves, and Lees-Levy-Dorodnitsin (LLD) transformation for boundary layers.

Keywords: ideal gas model; shock wave; boundary layer; nozzle flow; turbulent flow; Rankine-Hugoniot; LLD transformation; method of characteristics

Chapter.  12071 words.  Illustrated.

Subjects: Mathematical and Statistical Physics

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