THE LASER-DOPPLER VELOCIMETER AND ITS APPLICATION TO THE MEASUREMENT OF TURBULENCE
The paper examines the spatial and temporal resolution of the laser-Doppler velocimeter. Criteria for meaningful measurements are established. The effect of the random phase fluctuations introduced by the Doppler ambiguity on attempts to measure statistical quantities in turbulent flow is examined. An operational laser-Doppler velocimeter is described and measurements in both laminar and turbulent flow are presented.
- Also available in Journal of Fluid Mechanics, V60, Pt2, pp 321-362, 1973.
Pennsylvania State University, University ParkPennsylvania Transportation Institute, Transportation Research Building
University Park, PA USA 16802
- George, W K
- Lumley, J L
- Publication Date: 1973-1-31
- Pagination: 43 p.
- TRT Terms: Flow; Laser doppler velocimeters; Probes (Measuring devices); Spectrum analysis; Turbulence
- Candidate Terms: Turbulent flow
- Old TRIS Terms: Turbulence probes
- Subject Areas: Design; Marine Transportation;
- Accession Number: 00057058
- Record Type: Publication
- Source Agency: National Technical Information Service
- Contract Numbers: Nonr-656(33), N00014-67A-0385-0013
- Files: TRIS
- Created Date: Jul 31 1974 12:00AM