BOUNDARY-LAYER DIAGNOSTICS BY MEANS OF AN INFRARED SCANNING RADIOMETER

被引：42
|
作者：
de Luca, L [1 ]
Carlomagno, GM [1 ]
Buresti, G [1 ]
机构：
[1] UNIV PISA, DIPARTIMENTO INGN AEROSPAZIALE, I-56126 PISA, ITALY
来源：
EXPERIMENTS IN FLUIDS | 1990年 / 9卷 / 03期
关键词：
D O I：
10.1007/BF00187411
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A computerized infrared (IR) scanning radiometer is employed to characterize the boundary layer development over a model wing, having a Göttingen 797 cross-section, by measuring the temperature distribution over its heated surface. The Reynolds analogy is used to relate heat transfer measurements to skin friction. The results show that IR thermography is capable of rapidly detecting location and extent of transition and separation regions of the boundary layer over the whole surface of the tested model wing. Thus, the IR technique appears to be a suitable and effective diagnostic tool for aerodynamic research in wind tunnels. © 1990 Springer-Verlag.
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收藏
页码：121 / 128
页数：8
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