Computer simulation of a fringe type laser velocimeterA computer simulation of a fringe type laser velocimeter has been written to determine the theoretical characteristics of the laser velocimeter when applied to a given flow field. The program includes the effect of particle size and composition on particle lag, light scattering characteristics and signal contrast. The model of the laser velocimeter includes the laser, optical system, photomultiplier, and counter type data processing electronics. The LV particle size analyzer is also modeled and incorporated in the program. An example application of the program to a Mach 5 wind tunnel using a backscatter laser velocimeter is presented.
Document ID
19760027479
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Meyers, J. F. (NASA Langley Research Center Hampton, VA, United States)
Walsh, M. J. (NASA Langley Research Center Hampton, Va., United States)
Date Acquired
August 8, 2013
Publication Date
January 1, 1974
Subject Category
Instrumentation And Photography
Meeting Information
Meeting: International Workshop on Laser Velocimetry