Visualization and analysis of three-dimensional transonic flows by holographic interferometry

David P. Towers; C. E. Towers; Peter John Bryanston-Cross; K. Fry; A. E. Harris

doi:10.1117/12.135323

1 January 1992 Visualization and analysis of three-dimensional transonic flows by holographic interferometry

David P. Towers; C. E. Towers; Peter John Bryanston-Cross; K. Fry; A. E. Harris;

Author Affiliations +

Proceedings Volume 1553, Laser Interferometry IV: Computer-Aided Interferometry; (1992) https://doi.org/10.1117/12.135323
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

Holographic interferometry has been used in a large scale transonic wind tunnel to produce a 3D flow visualization. The experiments have been carried out on a model civil transport aircraft wing and turbine powered engine simulator combination. This study is significant industrially as the method forms a diagnostic for turbofan installations. The holograms show many relevant flow features including shock waves, flow interactions between the engine simulator flow and the freestream flow, secondary flows, and acoustic waves. Quantitative 3D position information has also been obtained for some of these features. A comparison to other flow diagnostic methods has been made in this paper.

Citation Download Citation

David P. Towers, C. E. Towers, Peter John Bryanston-Cross, K. Fry, A. E. Harris, "Visualization and analysis of three-dimensional transonic flows by holographic interferometry", Proc. SPIE 1553, Laser Interferometry IV: Computer-Aided Interferometry, (1 January 1992); doi: 10.1117/12.135323; https://doi.org/10.1117/12.135323

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