Author: Desio Charles V Olcmen Semih Schinetsky Philip
Publisher: IOP Publishing
E-ISSN: 1361-6501|27|2|25302-25311
ISSN: 0957-0233
Source: Measurement Science and Technology, Vol.27, Iss.2, 2016-02, pp. : 25302-25311
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Abstract
In this paper, improvements made on a single velocity component instantaneous laser Doppler velocimetry (ILDV) system are detailed. The ILDV system developed in this research effort is capable of measuring a single velocity component at a rate as high as two megahertz. The current system accounts for the effects of the laser intensity variation on the measured velocity and eliminates the use of a Pockels cell used in previous ILDV systems. The system developed in the current effort was tested using compressible, subsonic jet flows. The ILDV system developed would be most beneficial where a high data capture rate is needed such as in shock tubes, and high-speed wind tunnels.
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