This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Evaluation of a Basic Doppler Global Velocimetry System
Annotation ability available
Sector:
Language:
English
Abstract
A basic one-component Doppler Global Velocimetry (DGV) system has been developed at Wichita State University. This system was evaluated on a round axisymmetric jet. The results are compared with measurements made using traditional Constant Temperature Anemometry (CTA) and Preston tube measurements at 3.2, 9.6 and 16.0 jet exit diameters downstream and along the jet centerline. The DGV results show similar trends to these measurements. Software corrections for camera misalignment, optical distortions, and laser frequency variations were necessary to assure data quality. Results indicate good agreement between the DGV and CTA measurements exist.
Citation
Irani, E. and Miller, L., "Evaluation of a Basic Doppler Global Velocimetry System," SAE Technical Paper 951427, 1995, https://doi.org/10.4271/951427.Also In
References
- Komine, H. Brosnan, S.J. Litton, A.H. Stappaerts, E.A. “Real-Time Doppler Global Velocimetry,” AIAA 29th Aerospace Sciences Meeting, AIAA-91-0337 Reno, NV. Jan. 1991
- Meyers, J.F. Komine, H. “Doppler Global Velocimetry A New Way to Look at Velocity,” ASME Fourth International Conference on Laser Anemometry Cleveland, Ohio Aug. 1991
- Komine, H. Brosnan, S.J. “Instantaneous Three-Component Doppler Global Velocimetry,” ASME Fourth International Conference on Laser Anemometry Cleveland, Ohio Aug. 1991
- Meyers, J.F. Lee, J.W. Cavone, A.A. “Signal Processing Schemes for Doppler Global Velocimetry,” IEEE 14th International Congress on Instrumentation in Aerospace Simulation Facilities Rockville, Maryland Oct. 1991
- Miller, L.S. Usry, J.W. Meyers, J.F. “DGV: A Potential Velocity Measurement Method for General Aviation Applications,” AIAA General Aviation Symposium Wichita, KS March 1992
- Usry, J.W. Meyers, J.F. Miller, L.S. “Doppler Global Velocimetry Measurements of the Vortical Flow Above a Thin Delta Wing,” AIAA 30th Aerospace Sciences Meeting, AIAA-92-0005 Reno, NV. Jan. 1992
- Usry, J.W. Meyers, J.F. Miller, L.S. “Assessing the Capability of Doppler Global Velocimetry to Measure Vortical Flow Fields,” Optical Methods and Data Processing in Heat and Fluid Flow City University London, England April 1992
- Meyers, J.F. “Doppler Global Velocimetry: The Next Generation?,” AIAA 17th Aerospace Ground Testing Conference, AIAA 92-3897 Nashville, TN July 6-8 1992
- Lee, J. Meyers, J.F. “Doppler Global Velocimetry Measurements of the Vortical Flow above and F/A-18,” AIAA 31st Aerospace Sciences Meeting, AIAA-93-0414 Reno, NV Jan. 1993
- Miller, L.S. “An Overview of Doppler Global Velocimetry,” SAE Aerotech'92 Conference Anaheim, CA October 1992
- Owen, F.K. Miles, R.B. Rajan, M. “Tracking a Particle's Progress,” AIAA Aerospace America November 1992 34 38