Full-scale Wake Flow Measurements with a Mobile Laser Doppler Velocimeter

1979 ◽  
Vol 16 (3) ◽  
pp. 155-161 ◽  
Author(s):  
D.J. Wilson ◽  
A.D. Zalay ◽  
M.R. Brashears ◽  
C.E. Craven ◽  
K.R. Shrider ◽  
...  
Keyword(s):  
Full Scale ◽  
Laser Doppler ◽  
Wake Flow ◽  
Laser Doppler Velocimeter ◽  
Flow Measurements

Wake flow measurements with a mobile laser Doppler velocimeter system

1978 ◽  
Author(s):  
D. WILSON ◽  
A. ZALAY ◽  
M. BRASHEARS ◽  
C. CRAVEN ◽  
K. SHRIDER ◽  
...  
Keyword(s):  
Laser Doppler ◽  
Wake Flow ◽  
Laser Doppler Velocimeter ◽  
Flow Measurements

8C2 - Fluid flow measurements with a laser Doppler velocimeter

1966 ◽  
Vol 2 (8) ◽  
pp. 260-266 ◽  
Author(s):  
J. Foremen ◽  
E. George ◽  
J. Jetton ◽  
R. Lewis ◽  
J. Thornton ◽  
...  
Keyword(s):  
Fluid Flow ◽  
Laser Doppler ◽  
Laser Doppler Velocimeter ◽  
Flow Measurements

Laminar Fluid Flow Measurements Employing a White Light Fringe Image Velocimeter (WFIV)

1979 ◽  
Vol 46 (1) ◽  
pp. 218-220 ◽  
Author(s):  
J. H. C. Chan ◽  
E. A. Ballik
Keyword(s):  
Fluid Flow ◽  
Laminar Flow ◽  
White Light ◽  
Laser Doppler ◽  
Laser Doppler Velocimeter ◽  
Flow Measurements ◽  
Laminar Fluid Flow ◽  
Flow Velocities

A compact white light fringe image velocimeter (WFIV) is used to measure laminar flow. It is demonstrated, by comparison with similar measurements employing a differential laser Doppler velocimeter (DLDV), that the WFIV is a practical and important technique for determining flow velocities.

Gas Velocity Measurements Within a Compressor Rotor Passage Using the Laser Doppler Velocimeter

1973 ◽  
Vol 95 (2) ◽  
pp. 91-96 ◽  
Author(s):  
D. C. Wisler ◽  
P. W. Mossey
Keyword(s):  
High Speed ◽  
Axial Compressor ◽  
Laser Doppler ◽  
Laser Doppler Velocimeter ◽  
Seed Particle ◽  
Gas Velocity ◽  
Velocity Measurements ◽  
Flow Measurements ◽  
Velocity Magnitude ◽  
New Instrument

The laser Doppler velocimeter, a new instrument capable of making nondisturbing gas velocity measurements, was used to investigate the flowfield within the rotating blade row of a low speed axial compressor. The velocimeter operates by measuring the transit time of a seed particle across interference fringes produced at the intersection of a split and crossed laser beam. The velocity (magnitude and direction) measurements made with the laser at the rotor inlet and discharge generally agreed within 2 to 3 per cent with measurements made with a hot film anemometer, pitot-static probe and wedge and tuft angle probes. Detailed flowfield measurements within the rotor passage were then obtained and compared with the analytical results from a potential flow model. This technique shows promise in making detailed flow measurements within high speed fans, compressors, turbines and nozzles, including the mapping of shock structures.

Directional Laser Doppler Velocimeter

1971 ◽  
Vol 10 (4) ◽  
pp. 884 ◽  
Author(s):  
O. Lanz ◽  
C. C. Johnson ◽  
S. Morikawa
Keyword(s):  
Laser Doppler ◽  
Laser Doppler Velocimeter
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