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Measurement of two-dimensional velocity fields in porous media by particle image displacement velocimetry

โœ Scribed by S. Saleh; J. F. Thovert; P. M. Adler


Publisher
Springer
Year
1992
Tongue
English
Weight
592 KB
Volume
12
Category
Article
ISSN
0723-4864

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โœฆ Synopsis


Local measurements of the phase function and of two components of the velocity can be performed in transparent porous media by means of particle image displacement velocimetry (P.I.D.V.). Some preliminary results are presented and discussed.


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A theoretical analysis of the two-dimensional velocity shift by the use of a rotating mirror in PIV flow field measurements has been carried out by the application of ray optics. The velocity shift has been calculated directly in the flow field co-ordinates. In dimensionless form the results are als