BEAM SCANNING LDV TO MEASURE VELOCITY PROFILE OF UNSTEADY FLOW.

Masaru Uchiyama, Kyojiro Hakomori

    研究成果: Article

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    In this study, a beam scanning Laser Doppler Velocimeter (LVD) system for measuring velocity profiles of unsteady flow, in which the point of measurement is controlled by rotating mirrors, is described. A prototype system has been constructed and tested. The use of a microcomputer to control the angles of the mirrors allows a high scan rate to be achieved. The time to measure a velocity profile is 0. 13 sec. and the system can measure the profile of oscillatory flows up to the frequency of 0. 12 Hz within the accuracy of 5%.

    元の言語English
    ページ(範囲)71-77
    ページ数7
    ジャーナルBulletin of the Japan Society of Precision Engineering
    16
    発行部数2
    出版物ステータスPublished - 1982 6 1

    ASJC Scopus subject areas

    • Engineering(all)

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