Blade Shape Optimization of Mars Helicopter Exploring Pit Craters

Proceedings of the Vertical Flight Society 78th Annual Forum Pub Date : 2022-05-10 DOI:10.4050/f-0078-2022-17445

M. Sugiura, Masahiro Kanazaki, M. Sato, Takuma Minajima, Keita Kimura, A. Oyama, H. Sugawara, Y. Tanabe, Yuki Kishi, Daisuke Kikuchi, Kota Yoshikawa, Yuta Buto

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Abstract

Pit craters on Mars are assumed to be used as manned exploration bases and it is highly possible that life signature would be discovered there since its temperature is appropriate and it is less affected by radiation. Regarding pit crater exploration, helicopter which can climb and descend quickly is expected to be utilized. This paper introduces blade shape optimization of Mars helicopter exploring pit craters. Definition of a mission, selection of aircraft types, conceptual design, optimization of blade twist angle and airfoil, and rotor test are conducted. As a result, hexa-rotor which has robustness, resistance to gust, and fault tolerance is proposed. Moreover, it is confirmed that the mission can be accomplished, carrying instruments on the helicopter within payload weight. Hovering performance of the helicopter is improved by optimizing blade twisting angle and airfoil. And it is found that there is a good correlation between experiment and numerical simulation with respect to the helicopter's hovering performance.

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火星直升机探测坑坑的叶片形状优化

火星上的坑洞被认为是人类探索的基地，因为那里的温度适宜，受辐射的影响较小，所以发现生命迹象的可能性很大。在坑坑勘探方面，有望利用快速爬升和快速下降的直升机。介绍了火星直升机探测坑坑时叶片形状的优化设计。进行了任务确定、机型选择、概念设计、叶片扭角和翼型优化、旋翼试验等。因此，提出了一种鲁棒性强、抗阵风能力强、容错能力强的六转子结构。此外，确认任务能够完成，在有效载荷重量范围内在直升机上携带仪器。通过对叶片扭转角和翼型的优化，提高了直升机的悬停性能。结果表明，实验结果与数值模拟结果具有较好的相关性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of the Vertical Flight Society 78th Annual Forum

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