A Review Of Aero-Optical Measurements And Interpretation

William D Bachalo

doi:10.1117/12.939571

19 December 1986 A Review Of Aero-Optical Measurements And Interpretation

William D Bachalo

Proceedings Volume 0679, Current Developments in Optical Engineering and Diffraction Phenomena; (1986) https://doi.org/10.1117/12.939571
Event: 30th Annual Technical Symposium, 1986, San Diego, United States

Abstract

A review of the application of optical interferometry to aerodynamics measurements and the determination of optical degradation due to the aircraft flow field is presented. Early work on transonic aerodynamics demonstrated that holographic interferometry could provide accurate flow visualization and quantitative results for general wind tunnel testing. Two-dimensional transonic flow fields investigated were used to obtain quantitative measurements which were compared to other flow measurements including surface pressure and laser Doppler velocimeter data. Even in large-scale facilities, the results were in good agreement. Investigations on the related problem of optical transmission through turbulent compressible flow fields were also discussed. These results provided information on the optical distortion produced by the flow field in addition to information on the flow field itself.

Citation Download Citation

William D Bachalo "A Review Of Aero-Optical Measurements And Interpretation", Proc. SPIE 0679, Current Developments in Optical Engineering and Diffraction Phenomena, (19 December 1986); https://doi.org/10.1117/12.939571

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