Phase-Averaged LDV measurements in a bluff-body wake

Madhavan, KT (2001) Phase-Averaged LDV measurements in a bluff-body wake. Technical Report. National Aerospace Laboratories, Bangalore, India.

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    Abstract

    A new phase-averaging scheme based on quot;time-series approachquot; has been developed for LDV data. Instantaneous velocity data from a 2-component LDV system are acquired in synchronization with the periodic signals of the flow phenomenon and are ensemble-averaged with reference to different phases of the periodic signal. Hardware and software of modules have been developed and validated for phase-averaged LDV measurements initially with simulated data and with LDV and hot-wire measurements.The scheme has been applied to the near-wake of a 2D circular cylinder and its modification in the presence of a Forward Splitter Plate.

    Item Type: Proj.Doc/Technical Report (Technical Report)
    Uncontrolled Keywords: Phase-averaging;LDV;Time-series approach;2-D circular cylinder;Forward splitter plate
    Subjects: AERONAUTICS > Aerodynamics
    Division/Department: Experimental Aerodynamics Division
    Depositing User: Mrs Neetu Chandra
    Date Deposited: 04 Jul 2006
    Last Modified: 24 May 2010 09:42
    URI: http://nal-ir.nal.res.in/id/eprint/1524

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