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Rotor Blade Pressure Measurement in a Rotating Machinery Using Pressure and Temperature Sensitive Paints (1998)

Sullivan, J. ; Torgerson, S. ; Liu, T.

In: CASI

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Publication Date: 2011-10-14

Description: Pressure and temperature sensitive paints have been utilized for the measurement of blade surface pressure and temperature distributions in a high speed axial compressor and an Allied Signal F109 gas turbine engine. Alternate blades were painted with temperature sensitive paints and then pressure sensitive paint. This combination allows temperature distributions to be accounted for when determining the blade suction surface pressure distribution. Measurements were taken and pressure maps on the suction surface of a blade were obtained over a range of rotational speeds. Pressure maps of the suction surface show-strong shock waves at the higher speeds.

Keywords: Fluid Mechanics and Heat Transfer

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