Comparison of laser Doppler velocimetry, hotwire anemometry, and particle image velocimetry for the investigation of a turbulent jet

P. Diodati; Nicola Paone; Gianluca L. Rossi; Enrico Primo Tomasini

doi:10.1117/12.150519

6 August 1993 Comparison of laser Doppler velocimetry, hotwire anemometry, and particle image velocimetry for the investigation of a turbulent jet

P. Diodati, Nicola Paone, Gianluca L. Rossi, Enrico Primo Tomasini

Author Affiliations +

Proceedings Volume 2052, Fifth International Conference on Laser Anemometry: Advances and Applications; (1993) https://doi.org/10.1117/12.150519
Event: Laser Anemometry: Advances and Applications: Fifth International Conference, 1993, Koningshof, Veldhoven, Netherlands

Abstract

This paper presents a comparison among three of the most used velocity measurement techniques applied in experimental fluid dynamics: Hot Wire Anemometry (HWA), Laser Doppler Velocimetry (LDV) and Particle Image Velocimetry (PIV). The comparison is done on a fully developed turbulent jet. The measurements are processed in time and in space, according to the different nature of the measurement techniques. Results expressed in terms of velocity plots, turbulent fluctuations and integral length, scales are compared. The different capabilities of the three techniques are discussed, their complementarity is outlined, also related to the uncertainty and resolution of the three measurement techniques.

Citation Download Citation

P. Diodati, Nicola Paone, Gianluca L. Rossi, and Enrico Primo Tomasini "Comparison of laser Doppler velocimetry, hotwire anemometry, and particle image velocimetry for the investigation of a turbulent jet", Proc. SPIE 2052, Fifth International Conference on Laser Anemometry: Advances and Applications, (6 August 1993); https://doi.org/10.1117/12.150519

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