表面温度测绘应用于识别层流-湍流过渡的液晶

ICIASF'97 Record. International Congress on Instrumentation in Aerospace Simulation Facilities Pub Date : 1997-09-29 DOI:10.1109/ICIASF.1997.644665

D. Bize, C. Lempereur, J. Mathé, A. Mignosi, A. Séraudie, G. Serrot

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引用次数: 1

摘要

二维模型跨声速位置的确定是ONERA-CERT T2低温风洞研究的一个重要课题。使用具有特定校准、采集和图像处理方法的液晶，可以超越通常的定性成像阶段，确定模型表面的温度图、温度的时间变化，并知道层流/湍流转变的精确位置。

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Surface temperature mapping using liquid crystals applied to identifying the laminar-turbulent transition

The determination of the transonic position on a two dimensional model is an important subject of studies in the ONERA-CERT T2 cryogenic wind tunnel. The use of liquid crystals with a specific methodology of calibration, acquisition and image processing allowed one to go beyond the usual stage of qualitative imaging and to determine the temperature map on the surface of the model, the variation in time of this temperature and to know the precise location of the laminar/turbulent transition.

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

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