DEVELOPMENT OF FIBRE LDA AND TWO-COMPONENT VELOCITY MEASUREMENTS IN BOUNDARY LAYER ON AN INCLINED HEATED PLATE.

H. Sato, K. Hishida, M. Maeda

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The present paper deals with the development of miniaturized Argon-Ion two-color LDA optical probe that can be easily traversed in any attitude. The miniaturization is achieved by employing step index single-mode fibres to transmit beams from a laser source to the probe head. This fibre LDA is operated in a two-color four-beam differential mode with frequency shifters (Bragg cells) to sense a backward flow and two-component velocities. An application of the fibre LDA is adopted to a boundary layer flow over an isothermally heated plate which is installed in a inclined wind tunnel, where the laminar boundary layer transits to turbulence with an increase in wall temperature. The experimental results indicate the velocity distributions of two-components, their turbulence intensities, Reynolds shear stresses, and correlations between two-component velocity fluctuations.

Original languageEnglish
Title of host publicationUnknown Host Publication Title
PublisherPergamon Press
Pages1051-1056
Number of pages6
ISBN (Print)0080316816
Publication statusPublished - 1986 Dec 1

ASJC Scopus subject areas

  • Engineering(all)

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    Sato, H., Hishida, K., & Maeda, M. (1986). DEVELOPMENT OF FIBRE LDA AND TWO-COMPONENT VELOCITY MEASUREMENTS IN BOUNDARY LAYER ON AN INCLINED HEATED PLATE. In Unknown Host Publication Title (pp. 1051-1056). Pergamon Press.