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Experimental and Analytical Analysis of Rotor-Wing Interaction in Hover for Low Reynolds Number Flow

机译:低雷诺数流动转子翼相互作用的实验分析分析

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摘要

Hover performance for tiltrotor-like vehicles lacks experimental data and computationally efficient models for single-rotor-wing interactions at low disk loadings and low Reynolds numbers. As such, this paper discusses a rotor-wing interaction experiment near the micro-air-vehicle (MAV) regime (Reynolds number 100,000 and disk loading 100 N/m(2)). The experiment and corresponding analysis examine the effect of rotor height and rotor disk coverage in terms of hover performance and download force on the wing. Also, the paper details the development of a potential flow solution for single-rotor-wing interactions based on actuator disk theory, image vortices, and momentum theory. The analytical model only requires the rotor radius, which assists in preliminary design studies on tiltrotor-like vehicles. The analytical results compare well with the experimental data in terms of magnitude and trend. (C) 2021 American Society of Civil Engineers.
机译:悬停泰尔特罗特的车辆的悬停性能缺乏实验数据和用于低磁盘负载和低雷诺数的单旋翼相互作用的计算有效模型。 因此,本文讨论了微空气 - 载体(MAV)制度附近的转子 - 翼相互作用实验(雷诺数& 100,000和盘载荷<100n / m(2))。 实验和相应的分析检查了转子高度和转子盘覆盖在悬停性能下的效果和机翼上的推力。 此外,本文详细介绍了基于执行器磁盘理论,图像涡旋和动量理论的单转子翼交互的潜在流量解决方案的开发。 分析模型只需要转子半径,这有助于初步设计研究泰尔特洛特的车辆。 分析结果与实验数据在数量和趋势方面相比。 (c)2021年美国土木工程师协会。

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