DESIGN OPTIMIZATION AND GEOMETRIC ANALYSIS OF THE SLOTTED SOLID PROPELLANT GRAINS

Document Type : Original Article

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Egyptian Armed Forces.

Abstract

Three different categories, of the slotted solid propellant grains, are optimized from the point of view of the configuration parameters. The optimization process, of the main dimensions and the length ratio, is built on the conditions of filling coefficient and clamping factor. The grain geometry is analyzed to calculate the burning perimeters through the web thickness as a tool to predict the burning performance during the burning time. The effect of the length ratio on the performance of the burning perimeter is investigated to obtain the optimal length ratio for each configuration.

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