Pressure Measurements Using Pressure Sensitive Paint in Compressible Cylindrical Cavity and Convex-Corner Flows

被引：4

作者：

Chung, K. M. ^{[1
]}

Huang, Y. X. ^{[1
]}

Wu, H. Y. ^{[2
]}

Chang, K. C. ^{[2
]}

机构：

[1] Natl Cheng Kung Univ, Aerosp Sci & Technol Res Ctr, Tainan, Taiwan

[2] Natl Cheng Kung Univ, Dept Aeronaut & Astronaut, Tainan, Taiwan

来源：

JOURNAL OF AERONAUTICS ASTRONAUTICS AND AVIATION | 2019年 / 51卷 / 03期

关键词：

Pressure sensitive paint; Cylindrical cavity; Convex corner; RECTANGULAR CAVITY;

D O I：

10.6125/JoAAA.201909_51(3).04

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Pressure sensitive paint (PSP) is an optical technique used in wind-tunnel models. It is becoming an alternative to the classical method of pressure taps. This study applies a polymer-ceramic PSP in compressible cylindrical cavity and convex-corner flows. Using prior calibration and a wind-off image, the full-field pressure pattern is obtained. The effect of temperature on the model's surface is measured using temperature sensitive paint (TSP), and the accuracy of the measurements is addressed. For a compressible convex-corner flow, in-situ calibration is required when there are significant pressure gradients.

引用

页码：265 / 273

页数：9

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