Abstract
Pressure Sensitive Paint (PSP) has been widely applied to measure the aerodynamic performance in the wind tunnel tests. Recently, researchers also have tried to apply the PSP in gas turbine film cooling study. Those PSP applications require proper PSP calibration curve in order to obtain accurate results. In this study, some factors which may affect the PSP calibration and test results, including the PSP curing method, the time exposed to photoluminescence condition, and the angle between the PSP coated surface and camera, were investigated experimentally. Results showed that the PSP calibration curves were significantly affected by the thickness of the PSP coating and the relative angle of camera and light to the PSP coated surface. However, the PSP curing method was not dominant factor affecting the PSP calibration result.
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