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Overview of Low Speed Wind Tunnel Testing Conducted on a Wingtip Mounted Propeller for the Workshop for Integrated Propeller Prediction

机译：综合螺旋桨预测车间Wingtip安装螺旋桨上进行低速风洞测试的概述

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Helden Aerospace, Empirical Systems Aerospace (ESAero), and the National Aeronautics and Space Administration (NASA) have teamed to investigate the effects of wing tip mounted propellers using a novel, low speed powered wind tunnel test conducted in the Lockheed Martin Low Speed Wind Tunnel (LSWT) located in Marietta, GA. Recent renewed interest in propeller driven aircraft has created a need for powered test data for validation of computational fluid dynamics (CFD) codes for these applications. This effort represents a critical first step in the ability to accurately predict propeller effects with confidence as it culminates in an open powered test database that can be used for CFD validation. There are two overall objectives for this effort. The primary objective is the generation of an open powered wind tunnel test database for CFD validation of propeller effects in general and tip mounted propeller effects specifically. The secondary objective is to validate the tip mounted propeller aerodynamic efficiency benefit achieved through induced drag reductions from the propeller rotating in the opposite direction of the wing tip vortex. This paper documents the overall effort, including a description of the wind tunnel model design, the wind tunnel facility, the test effort, and details of the available test data. It also introduces the 1st Workshop for Integrated Propeller Prediction that was held in June of 2019.
机译：Holden Aeropace，实证系统航空航天（esaero）以及美国国家航空航天局（美国宇航局）已使用洛克希德马丁低速风隧道进行新颖的低速动力风隧道试验来调查翼尖安装螺旋桨的影响。 （LSWT）位于乔治省Marietta。近期对螺旋桨驱动飞机的兴趣创造了需要用于验证这些应用的计算流体动力学（CFD）代码的供电测试数据。这种努力代表了能够准确地预测螺旋桨效应的关键第一步，因为它在可用于CFD验证的开放动力测试数据库中达到了最受信心。这项努力有两个整体目标。主要目标是为一般和尖端安装的螺旋桨效应的螺旋桨效应的CFD验证的开放式动力风洞测试数据库。次要目的是通过从翼尖涡旋的相反方向旋转的螺旋桨旋转的引起的阻力减少来验证尖端安装的螺旋桨空气动力学效率效益。本文记录了整体努力，包括对风洞模型设计，风洞设施，测试工作的描述，以及可用测试数据的细节。它还介绍了2019年6月举行的集成螺旋桨预测的第一个研讨会。

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