Type of Document Master's Thesis Author Navarra, Kelly R. Author's Email Address email@example.com URN etd-61597-17256 Title Development of the Pressure-Sensitive-Paint Technique for Advanced Turbomachinery Applications. Degree Master of Science Department Mechanical Engineering Advisory Committee
Advisor Name Title Dancey, Clinton L. Gord, J. R. Rabe, Douglas C. O'Brien, Walter F. Jr. Committee Chair Keywords
- Pressure-sensitive paint
- optical pressure measurement techniques
- luminescence quenching.
Date of Defense 1997-04-24 Availability unrestricted AbstractA new pressure-measurement technique which employs the tools of molecular
spectroscopy has recently received considerable attention in the fluid mechanics community.
Measurements are made via oxygen-sensitive molecules attached to the surface of interest as a
coating, or paint. The pressure-sensitive-paint (PSP) technique is now commonly used in
stationary wind-tunnel tests; this thesis presents the extension of the technique to advanced
turbomachinery applications. New pressure- and temperature-sensitive paints (TSPs) have been
developed for application to a state-of-the-art transonic compressor where pressures up to 2 atm
and surface temperatures up to 140 degrees C are expected for the first-stage rotor. PSP and TSP data
has been acquired from the suction surface of the first-stage rotor of a transonic compressor
operating at its peak-efficiency condition. The shock structure is clearly visible in the pressure
image, and visual comparison to the corresponding computational fluid dynamics (CFD)
prediction shows qualitative agreement to the PSP data.
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