Evaluation of concepts and methods for extraction of flow parameters from laser transit anemometry dataA Monte-Carlo type simulation system was developed to test concepts and associated algorithms proposed by Mayo and Smart (1984) for the extraction of two-dimensional flow parameters from laser transit anemometry data sets. The Monte-Carlo LTA simulation program models a flow field as well as the sample volume geometry of the LTA system, thereby permitting simulation of two-dimensional data acquisition in a three-dimensional flow field. The results of these tests on the proposed processing concepts suggest that the instrument is capable of measuring mean velocities to less than +0.15 percent error and flow angles to less then +0.3 percent for turbulence intensities of up to 15.0 percent.
Document ID
19890044940
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Humphreys, W. M., Jr. (NASA Langley Research Center Hampton, VA, United States)
Hunter, W. W., Jr. (NASA Langley Research Center Hampton, VA, United States)