Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
825583 | International Journal of Engineering Science | 2010 | 15 Pages |
Abstract
This paper is concerned with the derivation of the partial differential equations that govern the propagation of sonic disturbances in an ideal gas under isentropic conditions. The result is a quasilinear hyperbolic system of first order equations and an inequality constraint. The speed of propagation is pressure dependent. It is shown how to deal with the equations and the constraint and how to calculate characteristics and solutions. It is also shown that shock discontinuities can develop which distinguishes the equations from the traditional linear wave equation.
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Physical Sciences and Engineering
Engineering
Engineering (General)
Authors
Niko Sauer,