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

doi:10.6125/JoAAA.201909_51(3).04

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

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	265-274
Number of pages	10
Journal	Journal of Aeronautics, Astronautics and Aviation
Volume	51
Issue number	3
DOIs	https://doi.org/10.6125/JoAAA.201909_51(3).04
Publication status	Published - 2019 Sep 1

All Science Journal Classification (ASJC) codes

Aerospace Engineering
Space and Planetary Science

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10.6125/JoAAA.201909_51(3).04

Cite this

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title = "Pressure Measurements Using Pressure Sensitive Paint in Compressible Cylindrical Cavity and Convex-Corner Flows",

abstract = "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.",

author = "Chung, {K. M.} and Huang, {Y. X.} and Wu, {H. Y.} and Chang, {K. C.}",

note = "Funding Information: The authors acknowledge the financial support of the National Chung-Shan Institute of Science and Technology (XW07027P079-CS).",

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AU - Chung, K. M.

AU - Huang, Y. X.

AU - Wu, H. Y.

AU - Chang, K. C.

N1 - Funding Information: The authors acknowledge the financial support of the National Chung-Shan Institute of Science and Technology (XW07027P079-CS).

PY - 2019/9/1

Y1 - 2019/9/1

N2 - 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.

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

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