Abstract
Temperature-sensitive paint technique was applied to high-enthalpy shock tunnel JAXA-HIEST. The test model was circular cone model with the total length of 1100 mm. The model was equipped with thermocouples, and Temperature-Sensitive Paint was painted on the side of the model. Measured heat flux distributions were compared between Temperature-Sensitive Paint and thermocouples to evaluate temperature-sensitive paint measurement in High-Enthalpy Shock Tunnel. Near the end of the test model, the trend that heat flux increase with the distance from nosetip was same in two measurement techniques. Temperature-Sensitive Paint could detect the locations of boundary-layer transition. Furthermore, heat flux measurement quantitatively showed good agreement with the thermocouple measurement result by using in situ calibration.
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Nagai, H., Nagayama, T., Tanno, H., Komuro, T. (2019). Boundary-Layer Transition Detection at High-Enthalpy Flow Using Temperature-Sensitive Paint. In: Sasoh, A., Aoki, T., Katayama, M. (eds) 31st International Symposium on Shock Waves 1. ISSW 2017. Springer, Cham. https://doi.org/10.1007/978-3-319-91020-8_51
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DOI: https://doi.org/10.1007/978-3-319-91020-8_51
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