A comparison of tracer and PIV results in visualizing water flow around a cylinder close to the free surface |
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| Authors: | J W Hoyt R H J Sellin |
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| Institution: | (1) Department of Mechanical Engineering, San Diego State University, San Diego, California, 92182-1323 USA, US;(2) Department of Civil Engineering University of Bristol, Bristol, BS8 1TR, UK, GB |
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| Abstract: | Sheridan et al. (1997) have recently published particle-image-velocimetry (PIV) results showing water flow patterns around
a cylinder at various values of shallow immersion. These results have been compared with a turbulent-flow tracer study of
some of the same flow configurations. In shallow-immersion cylinder comparison tests, the streaklines of the tracer technique
offer a virtually identical impression of the principal flow characteristics when compared with the PIV velocity vectors.
Received: 30 March 1998/Accepted: 9 April 1999 |
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