Recent Developments In Laser Doppler Anemometry At The German-French Research Institute Saint-Louis (ISL)

Rudi Schall

doi:10.1117/12.957536

27 July 1979 Recent Developments In Laser Doppler Anemometry At The German-French Research Institute Saint-Louis (ISL)

Rudi Schall

Proceedings Volume 0189, 13th Intl Congress on High Speed Photography and Photonics; (1979) https://doi.org/10.1117/12.957536
Event: 13th International Congress on High Speed Photography and Photonics, 1978, Tokyo, Japan

Abstract

Laser velocimetry took its origine at ISL more than 10 years ago in the form of fringe anemometry. Though there is now industrial equipment available, special applications call for new versions. Air turbulence spectra up to 50 kHz could be obtained from precise fringe anemometer measure-ments. This shows the relevance of high speed methods to investigate fast fluctuating phenomena of longer duration. Successful tests to operate an airborne LDA-system open new ways in aerodynamic research. Finally, a new two-beam inter-ferometer of extreme sensitivity was used to determine from the Laser Doppler shift flow or material velocities in shock tube and ballistic investigations.

Citation Download Citation

Rudi Schall "Recent Developments In Laser Doppler Anemometry At The German-French Research Institute Saint-Louis (ISL)", Proc. SPIE 0189, 13th Intl Congress on High Speed Photography and Photonics, (27 July 1979); https://doi.org/10.1117/12.957536

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