JSME International Journal Series B Fluids and Thermal Engineering
Online ISSN : 1347-5371
Print ISSN : 1340-8054
ISSN-L : 1340-8054
Flow Measurements
3-D Velocity Measurement of Natural Convection Using Image Processing
Masatoshi SHINOKIMamoru OZAWAToshifumi OKADAIchiro KIMURA
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ジャーナル フリー

2001 年 44 巻 3 号 p. 395-402

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抄録
This paper describes quantitative three-dimensional measurement method for flow field of a rotating Rayleigh-Benard convection in a cylindrical cell heated below and cooled above. A correlation method for two-dimensional measurement was well advanced to a spatio-temporal correlation method. Erroneous vectors, often appeared in the correlation method, was successfully removed using Hopfield neural network. As a result, calculated 3-D velocity vector distribution well corresponded to the observed temperature distribution. Consequently, the simultaneous three-dimensional measurement system for temperature and flow field was developed.
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© 2001 by The Japan Society of Mechanical Engineers
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