Joint use of laser anemometry in a flow with measuring on a wall

Boris N. Semenov

doi:10.1117/12.150558

6 August 1993 Joint use of laser anemometry in a flow with measuring on a wall

Boris N. Semenov

Proceedings Volume 2052, Fifth International Conference on Laser Anemometry: Advances and Applications; (1993) https://doi.org/10.1117/12.150558
Event: Laser Anemometry: Advances and Applications: Fifth International Conference, 1993, Koningshof, Veldhoven, Netherlands

Abstract

Difficulties of LDA for the near-wall turbulence measurement are well known. The measuring error increase at drawing near to a wall. Joint use of laser anemometry in a flow and measurings on a wall remove it. Existent methods permit the measurement of average values and pulsations of friction and pressure on a wall with good accuracy. The offered method of their processing is based on the harmonical analysis of experimental values of amplitudes and phases. The near-wall flow is calculated on the basis of simplified equations of Navier-Stokes. The obtained solution may be grown together with the values determined on the basis of the LDA measurings, which are carried out with a high accuracy in to distance from a wall.

Citation Download Citation

Boris N. Semenov "Joint use of laser anemometry in a flow with measuring on a wall", Proc. SPIE 2052, Fifth International Conference on Laser Anemometry: Advances and Applications, (6 August 1993); https://doi.org/10.1117/12.150558

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