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Analysis of the Visualization Region in Near-Wall Fluid Layer by High-Speed Infrared Thermography
Moscow University Physics Bulletin ( IF 0.4 ) Pub Date : 2020-08-27 , DOI: 10.3103/s0027134920020101
A. M. Shagiyanova , E. Yu. Koroteeva , I. A. Znamenskaya , M. E. Dashyan , L. A. Blagonravov , N. N. Sysoyev

Abstract

The capabilities of infrared thermal imaging at a rate of over 100 Hz to measure thermal fields of nonisothermal boundary liquid layer through an infrared-transparent window are analyzed. Experiments have been carried out to conduct an integrated estimate of the recorded water layer thickness for various conditions; it was shown that the penetration depth of infrared radiation in the operating range of the thermal imager (3.7–4.8 \(\mu\)m) does not exceed 0.2 mm.


中文翻译:

高速红外热成像法分析近壁流体层的可视化区域

摘要

分析了红外热成像以超过100 Hz的速率通过红外透明窗口测量非等温边界液体层的热场的能力。已经进行了实验以对各种条件下记录的水层厚度进行综合估算。结果表明,在热像仪的工作范围(3.7-4.8 \(\ mu \) m)中,红外辐射的穿透深度不超过0.2 mm。
更新日期:2020-08-27
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