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Proceedings Paper

Three-component LDA measurements of annulus wall boundary layers upstream of an annular S-shaped duct
Author(s): J. F. Carrotte; K. M. Britchford; A. P. Wray
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Paper Abstract

Techniques have been developed for making 3D coincident LDA measurements within an annular S-shaped duct of complex geometry. In order to illustrate these methods aerodynamic data is presented relating to measurements of the axisymmetric wall boundary layers at inlet to the duct. Particular attention is given to the accuracy and limitations of the measurements produced using these techniques. A variety of information is presented including mean velocity components. Reynolds stresses and triple correlations of the fluctuating velocities. The results show that many of the terms in the Reynolds stress transport equations can be determined within a specified accuracy. Such measurements are becoming increasingly important for the validation of computational codes and the further development of turbulence models.

Paper Details

Date Published: 6 August 1993
PDF: 4 pages
Proc. SPIE 2052, Fifth International Conference on Laser Anemometry: Advances and Applications, (6 August 1993); doi: 10.1117/12.150494
Show Author Affiliations
J. F. Carrotte, Loughborough Univ. of Technology (United Kingdom)
K. M. Britchford, Loughborough Univ. of Technology (United Kingdom)
A. P. Wray, Loughborough Univ. of Technology (United Kingdom)


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

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