Visualization of shock tube airfoil flow with a sharp focusing schlieren method

Masashi Kashitani; Yutaka C. Yamaguchi

doi:10.1117/12.424247

17 April 2001 Visualization of shock tube airfoil flow with a sharp focusing schlieren method

Masashi Kashitani, Yutaka C. Yamaguchi

Proceedings Volume 4183, 24th International Congress on High-Speed Photography and Photonics; (2001) https://doi.org/10.1117/12.424247
Event: 24th International Congress on High-Speed Photography and Photonics, 2000, Sendai, Japan

Abstract

Visualization of the flow field around the base line model under the flight condition is one of the most valuable and basic steps on the high-speed airplane development. Now we consider a sharp focusing schlieren system that gives a means for observing any cross section of a flow field of perpendicular to the test beam axis of the optical system. This system can be used to examine a complex three-dimensional flow field. As a preliminary study, a sharp focusing schlieren system is designed with referring to the Weinstein's system. And visualization of steady transonic airfoil shock tube flow is performed with this system to investigate the effect of side-wall interference to the shock wave locations on an airfoil surface. The results show that the instrument has a capability for visualizing any cross section in the shock tub airfoil flow. Also, it is pointed out that the main steady shock wave profile focused at the center of the channel is different from the profile focused near the side-wall.

Citation Download Citation

Masashi Kashitani and Yutaka C. Yamaguchi "Visualization of shock tube airfoil flow with a sharp focusing schlieren method", Proc. SPIE 4183, 24th International Congress on High-Speed Photography and Photonics, (17 April 2001); https://doi.org/10.1117/12.424247

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