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首页> 外文期刊>Transactions of the Japan society for aeronautical and space sciences >Trajectory Optimization and Conceptual Study of Small Test Vehicles for a Hypersonic Engine Using a High-Altitude Balloon
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Trajectory Optimization and Conceptual Study of Small Test Vehicles for a Hypersonic Engine Using a High-Altitude Balloon

机译:使用高空气球的超音速发动机小型试验车的轨迹优化和概念研究

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摘要

The Japan Aerospace Exploration Agency, JAXA, announced a long-term vision recently. In the vision, JAXA aims to develop hypersonic aircrafts. A pre-cooled turbojet engine has great potential as one of newly developed hypersonic airbreathing engines. We also expect the engine to be installed in space transportation vehicles in the future. For combustion test in the real flight conditions of the engines, JAXA has an experimental plan where a small test vehicle is released from a high-altitude balloon. This paper applies numerical analysis and optimization techniques to conceptual designs of the test vehicle in order to obtain the best configuration and trajectory for the flight test. The results show helpful knowledge for designing prototype vehicles.
机译:日本宇宙航空研究开发机构JAXA最近宣布了一项长期愿景。在愿景中,JAXA的目标是开发高超音速飞机。作为新开发的高超音速呼吸发动机之一,预冷涡轮喷气发动机具有巨大的潜力。我们还预计该发动机将来会安装在太空运输车辆中。为了在发动机的实际飞行条件下进行燃烧测试,JAXA制定了一项实验计划,其中从高空气球上放出一辆小型测试车。本文将数值分析和优化技术应用于测试飞行器的概念设计,以获得用于飞行测试的最佳配置和轨迹。结果显示出对设计原型车有用的知识。

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