Journal
MEASUREMENT SCIENCE AND TECHNOLOGY
Volume 11, Issue 7, Pages 1077-1085Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-0233/11/7/320
Keywords
optical pressure measurement; pressure-sensitive paint (PSP); intensity method; lifetime method; oxygen quenching; optical sensors; Stern-Volmer; flow visualization
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We have used the pressure-sensitive paint (PSP) intensity and lifetime methods for basic research and PSP measurements in wind tunnels and turbomachines. to investigate and understand the qualitative and quantitative aerodynamic measurements mainly in transonic flow We performed a number of investigations in different speed ranges from transonic to low-speed flow and compared them with conventional techniques like pressure taps and light sheets. The influence of errors was checked and a comparison with numerical methods performed. Various models were investigated, from the basic configuration of a double-delta-wing up to a complex Airbus A340 half model and oscillating turbine blades. Finally, two excellent PSP systems are now available to perform precise measurements and support the theory using these techniques.
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