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Proceedings Paper

Correlation estimators for two-point laser Doppler anemometry
Author(s): M. Benak; Manfred Sturm; Cam D. Tropea; H. Nobach; Werner Fuchs; E. Mueller
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Paper Abstract

Using two-point LDA systems, estimates of the integral length scales of turbulent flowfields can be performed by forming the cross-correlation function of the two velocity records for various measurement volume separations. Several estimators for the cross-correlation function are reviewed and their bias and variance are examined as a function of particle density and of chosen processing parameters. The investigations were performed using numerical simulations.

Paper Details

Date Published: 6 August 1993
PDF: 9 pages
Proc. SPIE 2052, Fifth International Conference on Laser Anemometry: Advances and Applications, (6 August 1993); doi: 10.1117/12.150556
Show Author Affiliations
M. Benak, Univ. Erlangen-Nuernberg (Germany)
Manfred Sturm, Univ. Erlangen-Nuernberg (Germany)
Cam D. Tropea, Univ. Erlangen-Nuernberg (Germany)
H. Nobach, Univ. Rostock (Germany)
Werner Fuchs, Univ. Rostock (Germany)
E. Mueller, Univ. Rostock (Germany)

Published in SPIE Proceedings Vol. 2052:
Fifth International Conference on Laser Anemometry: Advances and Applications

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