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首页> 外文期刊>Journal of Spacecraft and Rockets >Analysis of Increased Compression Through Area Constriction on Ejector-Rocket Performance
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Analysis of Increased Compression Through Area Constriction on Ejector-Rocket Performance

机译：通过面积收缩增加喷射器火箭性能的压缩分析

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摘要

The use of an ejector as part of a larger rocket-based propulsive device is investigated in terms of increasing thrust as compared to a pure rocket system. A theoretical framework is presented to establish the relation between increasing ejector compression and increasing thrust, whereas numerical simulations are presented to demonstrate the viability of using area constriction to achieve increased ejector compression. Using a constant length ejector, the exit area is constricted by between 12 and 25% and compared to a similarly configured unconstricted ejector. In addition, both a purely conical and a conical/cylindrical constriction configuration are examined, in which an increase of 30% in the ejector compression ratio is achieved in the best case.
机译：从与纯火箭系统相比增加的推力的角度出发，研究了将喷射器用作更大的基于火箭的推进装置的一部分。提出了一个理论框架来建立喷射器压缩增加与推力增加之间的关系，而数值模拟则表明了使用区域收缩来实现喷射器压缩增加的可行性。使用恒定长度的顶出器，出口面积缩小了12％到25％，并且与类似配置的未顶出的顶出器相比。另外，还检查了纯锥形和锥形/圆柱形的收缩结构，其中在最佳情况下，喷射器的压缩比提高了30％。

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