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

K. M. Chung, Y. X. Huang, H. Y. Wu, K. C. Chang

研究成果: Article

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.

原文English
頁(從 - 到)265-274
頁數10
期刊Journal of Aeronautics, Astronautics and Aviation
51
發行號3
DOIs
出版狀態Published - 2019 九月 1

指紋

corner flow
pressure sensitive paints
pressure measurement
Pressure measurement
Paint
cavity
temperature sensitive paints
wind tunnel models
cavities
taps
pressure gradients
pressure distribution
calibration
pressure field
Calibration
ceramics
wind tunnel
pressure gradient
polymers
polymer

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Space and Planetary Science

引用此文

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AB - 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.

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