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ABSTRACT:A computer study for predictins high-,speed launcher performance was conducted using a one-dimensional hydrodynamics computer code.This computer code uses the Lagrangian scheme, and is based on the "q" method as devised by Von Neumann and Richtmyer.These calculations provide understanding for the proper variation of the launcher parameters for optimization of launcher performance.A series of calculations for the 2-in. The results will be applied to the operation of the model launchers existing in the ranges at the Naval Ordnance Laboratory.

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