The paper describes the main problems encountered during investigations of the oscillating pressure fields by the Fast Binary Pressure Sensitive Paint (FBPSP). This formulation has response time in the millisecond range and provides compensation of the model displacements and excitation light instability. Measurement methodology, and theoretical and experimental estimations of the FBPSP dynamic characteristics are presented. It is shown that FBPSP formulation can be used for oscillation frequencies up to 20-40 Hz but requires dynamic compensation of the resulting pressure fields. The experimental results obtained on the pitching wing model at Mach numbers 0.3 and oscillation frequencies 0 and 20 Hz are presented and discussed.
Pressure sensitive paint for oscillating pressure fields measurements
01.01.1999
325577 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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