Application of fuzzy logic to the automatic processing of particle image velocimetry images of a flow induced by adjacent spinning cylinders

Peter John Bryanston-Cross; T. Wilson; P. G. Tucker; Z. Pan; P. Dunkley; Doina Daciana Udrea; Evor L. Hines

doi:10.1117/12.365732

13 October 1999 Application of fuzzy logic to the automatic processing of particle image velocimetry images of a flow induced by adjacent spinning cylinders

Peter John Bryanston-Cross, T. Wilson, P. G. Tucker, Z. Pan, P. Dunkley, Doina Daciana Udrea, Evor L. Hines

Author Affiliations +

Proceedings Volume 3783, Optical Diagnostics for Fluids/Heat/Combustion and Photomechanics for Solids; (1999) https://doi.org/10.1117/12.365732
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

Qualitative comparisons are made between Particle Image Velocimetry data and Computational Fluid Dynamics predictions for the flow around two adjacent rotating cylinders. For this novel flow configuration, the cylinders rotate in opposite directions with their outer surfaces in contact. Steady state sets are carried out of the following rotational Reynolds numbers, Re_(phi ) equals 75, 966 and 1470. Also, test are carried out where the cylinders are suddenly started. The flow exhibits a relatively powerful jet which is ejected between the cylinders. Under transient conditions a complex flow phenomenon is observed. A numerical stochastic Lagrangian particle transport technique for studying the movement of seeding particles relative to fluids is used. Under steady conditions agreement is found between measurements and predictions.

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Peter John Bryanston-Cross, T. Wilson, P. G. Tucker, Z. Pan, P. Dunkley, Doina Daciana Udrea, and Evor L. Hines "Application of fuzzy logic to the automatic processing of particle image velocimetry images of a flow induced by adjacent spinning cylinders", Proc. SPIE 3783, Optical Diagnostics for Fluids/Heat/Combustion and Photomechanics for Solids, (13 October 1999); https://doi.org/10.1117/12.365732

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