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Evolution of Crew Escape System configuration

机译:船员转义系统配置的演变

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摘要

The Crew Escape System (CES) is used for safe return of crew in case of any malfunctioning of a launch vehicle during ascent, specially in the atmospheric phase of flight. In the present case, as no active control is employed, the aerodynamic stability of CES is essential for safe return of crew in case of any emergency during ascent phase. While finalizing the shape of CES, besides stability, other aerodynamic parameters like acoustic, thermal, structural load, etc. need to be analysed. Based on detailed studies using CFD, a conical-shaped CES has been finalized. This article discusses the challenges involved in aerodynamic shaping of CES and different parameters studied while finalizing the configuration.
机译:乘员逃生系统(CES)用于在运载火箭上升过程中,特别是在飞行的大气阶段出现故障时,安全返回乘员。在目前的情况下,由于没有采用主动控制,CES的空气动力学稳定性对于在上升阶段出现任何紧急情况时机组人员的安全返回至关重要。在确定CES形状的同时,除了稳定性外,还需要分析声学、热、结构载荷等其他空气动力学参数。基于CFD的详细研究,最终确定了锥形CES。本文讨论了CES的气动成形所涉及的挑战,以及在最终确定配置时所研究的不同参数。

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