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Experiments in Fluids
Published in: Experiments in Fluids 3/2004

01-03-2004 | Short Communication

Evaluation of a laser velocity gradient probe and measurements in a boundary layer

Authors: V. P. Stepaniuk, C. Tarau, M. V. Ötügen, W.-J. Su

Published in: Experiments in Fluids | Issue 3/2004

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Abstract

Mean and rms profiles of the wall-normal gradient of the streamwise velocity were obtained in a boundary layer using a recently proposed laser velocity gradient technique (LVG). An analysis was also carried out to estimate data rates and to determine potential sources of measurement error. The results of this study demonstrate the viability of this novel measurement technique in shear flows.
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Literature
Agui JH, Andreopoulos Y (2003) A new laser vorticity probe—LAVOR: its development and validation in a turbulent boundary layer. Exp Fluids 34:191–205
Hanson SG (1984) Application of the laser gradient anemometer (LGA) for fluid flow measurements. In: Proceedings of the 2nd Symposium on Application of laser anemometry to fluid mechanics, 2–5 July 1984, Lisbon, Portugal. Instituto Superior Técnico, Lisbon
Kriegs H, Staude W (1995) A laser pulse technique for the measurement of time-resolved velocity gradients in fluid flow. Meas Sci Technol 6:653CrossRef
Lang DB, Dimotakis P (1982) Measuring vorticity using laser doppler velocimetry. Bull Am Phys Soc 27:1166
Ötügen MV, Su W-J, Papadopoulos G (1998) A new laser-based method for strain rate and vorticity measurements. Meas Sci Technol 9:267–274
Tarau C, Stepaniuk VP, Ötügen MV ( 2002) Evaluation of a new laser gradient probe. In: 40th AIAA Aerospace Sciences Meeting and Exhibit, 14–17 January 2002, Reno, NV, Paper No AIAA 2002-0688
Yao S, Tong P, Ackerson B (2001) Proposal and testing for a fiber-optic-based measurement of flow vorticity. Appl Optics 40:4022–4027
Metadata
Title
Evaluation of a laser velocity gradient probe and measurements in a boundary layer
Authors
V. P. Stepaniuk
C. Tarau
M. V. Ötügen
W.-J. Su
Publication date
01-03-2004
Publisher
Springer-Verlag
Published in
Experiments in Fluids / Issue 3/2004
Print ISSN: 0723-4864
Electronic ISSN: 1432-1114
DOI
https://doi.org/10.1007/s00348-003-0757-z

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