Abstract
Visualizations of flowfield around the X-33 test vehicle have been performed utilizing the electric discharge method. The electric discharge method has been invented and developed by the authors and others for visualizing three dimensional hypersonic flowfield phenomena. In this experiment the objectives of visualization are three dimensional shock shapes, temperature distributions, and flow patterns near the model surface. It is considered that these visualized results are useful for verifying the theoretical and numerical results of the flowfield around the model. These visualizations are carried out using the hypersonic gun tunnel whose main characteristics are that the Mach number is 10 and the duration is 10ms.
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