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Published online by Cambridge University Press: 20 November 2018
1. Introduction. In a previous paper (3) the study of one-dimensional, unsteady flows, isentropic or anisentropic, was reduced to the integration of a Monge-Ampère partial differential equation
(1)
For a polytropic gas, the specific volume
(2) ,
takes the form
,
once the entropy distribution function S = S(Ψ) is specified.