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Proceedings Paper

Bias of measurement found in high-frequency pulsated reacting flow
Author(s): D. Durox; F. Baillot
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Paper Abstract

By determining velocity field inside fresh gases of premixed flame submitted at a sinusoidal perturbation of both high intensity and high frequency, it has been observed a measurement bias by processing the information coming from the analog output of LDV counters. After the evidence is put in this velocity bias by different measurements: average, RMS, FFT and histograms, the attention is focused on instantaneous velocity signal and particularly on the seeding behavior. An explanation of the bias is proposed and also some ideas to control it.

Paper Details

Date Published: 6 August 1993
PDF: 16 pages
Proc. SPIE 2052, Fifth International Conference on Laser Anemometry: Advances and Applications, (6 August 1993); doi: 10.1117/12.150502
Show Author Affiliations
D. Durox, Lab. d'Aerothermique/CNRS (France)
F. Baillot, Lab. d'Aerothermique/CNRS (France)

Published in SPIE Proceedings Vol. 2052:
Fifth International Conference on Laser Anemometry: Advances and Applications
J. M. Bessem; R. Booij; H. W. H. E. Godefroy; P. J. de Groot; K. Krishna Prasad; F. F. M. de Mul; E. J. Nijhof, Editor(s)

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