Review of rapid response TSP measurement technology
Temperature-sensitive coatings,as an advanced non-contact optical measurement method,can achieve fine measurement of global wall temperature with high spatio-temporal resolution.The fine-grained wind tunnel measurement of the wall temperature of high-speed aircraft is very important for the aerodynamic layout and thermal protection design of aircraft.This paper reviews the research progress of thermal sensitive coating testing technology,gives a comprehensive review of TSP technology at home and abroad,and discusses the challenges and countermeasures of rapid response thermal sensitive coating testing technology in combination with the application examples of thermal sensitive coating in two typical high-speed wind tunnels,shock wave wind tunnel and transient impulse wind tunnel.Finally,the future development direction of fast response TSP technology is prospected.
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