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Japan Aerospace Exploration Agency

"FLIGHT PATH" No.21 | 2018 SUMMER

In pictures
Optical measurement technologies

An international-standard model for wind tunnel testing technology development, installed inside the transonic wind tunnel.

Installed inside JAXA 2m x 2m transonic wind tunnel is NASA CRM (common research model) for wind tunnel testing technology. The right main wing was painted with pink pressure-sensitive paint (PSP) and the left main wing with yellow temperature-sensitive paint (TSP). These paints emit red luminescence when exposed to laser light. By measuring the variations of their luminescent intensity using a camera, detailed pressure and temperature distributions can be acquired.



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