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- Title
Measurements by Temperature Sensitive Paint on Flexible and Deforming Model in Hypersonic Flow.
- Authors
Masato TAGUCHI; Ryo MARUYAMA; Takuma SATO; Koichi MORI
- Abstract
Temperature measurement on deforming aeroshell model was performed in hypersonic test flow. Temperature Sensitive Paint (TSP) was used to measure surface temperature on the model. Generally, TSP is not available on flexible surface due to a problem in normalization procedure of images. Present paper describes the improved methodology of TSP which is able to apply to flexible and deforming model surface. For the improved TSP, two different kinds of luminophore, namely Ruphen and Fluorescein, are employed to observe reference image and test image simultaneously. An optical system is produced to detect the luminescence from Ruphen and Fluorescein separately. Results indicate that temperature rise caused by aerodynamic heating is observed, and the temperature distribution measured by the improved TSP method on flexible model shows qualitative agreement with the one obtained by conventional TSP measurement on rigid model which simulates deformed model configuration. Furthermore, the temperature measurement by this method shows good capability to follow model deformation.
- Subjects
HYPERSONIC flow; DEFORMATION of surfaces; AERODYNAMIC heating; TEMPERATURE measurements; WIND tunnel testing
- Publication
Transactions of the Japan Society of Aeronautical & Space Sciences, Aerospace Technology Japan, 2016, Vol 14, Issue ists 30, p63
- ISSN
1884-0485
- Publication type
Article