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Transition Measurement on Metallic Aircraft Model in Typical Lowspeed Wind Tunnel

机译:典型低速风洞中金属飞机模型的过渡测量

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The work described here relates to a method for measuring the boundary layer transition in a "low-speed" and "atmospheric" wind tunnel for metallic aircraft model. The objective of the research is to improve the test technique and to clarify the precise procedure for transition measurements, especially for an aircraft model in such a typical wind tunnel. The boundary layer growing on the left wing of the ONERA-Model was investigated at the JAXA 6.5 m x 5.5 m Low-speed Wind Tunnel (LWT1), using two visualizing methods: temperature-sensitive liquid crystal film, and infrared camera. Comparison of the results showed that the IR camera could be more effective using after cooling of the model surface.
机译:这里描述的工作涉及一种用于测量金属飞机模型的“低速”和“大气”风洞中边界层过渡的方法。该研究的目的是改进测试技术并阐明过渡测量的精确程序,尤其是对于在这种典型风洞中的飞机模型而言。在JAXA 6.5 m x 5.5 m低速风洞(LWT1)上,使用两种可视化方法:热敏液晶膜和红外热像仪研究了ONERA模型左翼生长的边界层。结果比较表明,在冷却模型表面后,使用红外热像仪可能更有效。

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