Abstract
The firing of rockets from launchers is accompanied by strong jet-wall interactions. So-called non-tip launchers, which have changes in cross-sectional areas, produce especially complicated flow patterns with massive blow-by over the missile body suspected to cause initial trajectory degradation. A comprehensive analysis for this launch phase is presented which delineates component flow mechanisms, subsequently integrating them into an overall model with the solution obtained by a convergent process of iterations. Since the analysis is free of empirical input, it provides a firm basis for comparison with available experimental data. Quantitative agreement between theoretical and experimental results not only supports the correctness of the overall physical model and its mathematical simulation, but also allows the designer to explore the effects of individual design and operational parameters.
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