Holographic Interferometric Study Of Shock Wave Propagation

K. Takayama; K. Itoh; O. Onodera; H. Ojima

doi:10.1117/12.969132

7 June 1989 Holographic Interferometric Study Of Shock Wave Propagation

K. Takayama, K. Itoh, O. Onodera, H. Ojima

Proceedings Volume 1032, 18th Intl Congress on High Speed Photography and Photonics; (1989) https://doi.org/10.1117/12.969132
Event: 18th International Congress on High Speed Photography and Photonics, 1988, Xi'an, Shaanxi, China

Abstract

The shock tubes are well recognized as simple but most useful experimental tools for modern aerodynamic studies l, 2. However, it may be their weakness that in general their working duration is too short to conduct the quantitative data acquisition. In order to overcome this difficulty the most easiest way of shock tube measurements will be the optical flow visualization. The traditional flow visualization techniques such as schlieren method or shadowgraph have limitation in evaluating the quantitative data from the photographs. Although the Mach-Zehnder interferometry can store the quantitative information of the flow field, it is too sensive to the quality of the optical elements and also to the homogeneity of the medium to be observed. For instance, in the Mach-Zehnder interferometry plastic glasses have never been used as observation windows nor underwater shock waves have ever been observed quantitatively.

Citation Download Citation

K. Takayama, K. Itoh, O. Onodera, and H. Ojima "Holographic Interferometric Study Of Shock Wave Propagation", Proc. SPIE 1032, 18th Intl Congress on High Speed Photography and Photonics, (7 June 1989); https://doi.org/10.1117/12.969132

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