高雷诺数下高升力结构的转捩特性分析系统

ICIASF'97 Record. International Congress on Instrumentation in Aerospace Simulation Facilities Pub Date : 1997-09-29 DOI:10.1109/ICIASF.1997.644675

A. Bertelrud, S. Johnson, C. Lytle, C. Mills

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引用次数: 5

摘要

介绍了在美国国家航空航天局兰利研究中心低湍流压力隧道(LTPT)进行的高升力流动物理代码验证实验中，为过渡记录而开发的系统的特点。实验采用三元高升力模型(MDA)设计，根据弦长，雷诺数在500 ~ 1200万之间。通过索具、迎角、马赫数和雷诺数的变化，记录了大约100种不同的流动条件。使用了350多个表面热膜来表征过渡区。

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A system for analysis of transition characteristics on a high-lift configuration at high Reynolds numbers

The characteristic features of a system developed for transition documentation in a high-lift flow-physics code validation experiment in the Low Turbulence Pressure Tunnel (LTPT) at NASA Langley Research Center are described. A three-element high-lift model of McDonnell-Douglas (MDA) design was used for the experiment, with Reynolds number ranging from 5 to 12 million based on the chord length. Roughly 100 different flow conditions were documented, through variation of rigging, angle of attack, Mach number and Reynolds number. More than 350 surface hot films were used to characterize transition regions.

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ICIASF'97 Record. International Congress on Instrumentation in Aerospace Simulation Facilities

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