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Certain reciprocal and adjoint transformations available for onedimensional non-steady gasdynamic flow are applied to an existing solution to construct new exact solutions of the governing equations. The particle trajectories and the pressure-density relations on these trajectories are calculated. An application of the adjoint transformation in studying the flow between a piston and a non-uniform shock wave is indicated.

Applications of invariant transformations in one-dimensional non-steady gasdynamics