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EXPERIMENTAL STUDY ON ROD-LIKE PARTICLES SUSPENSIONS IN A BACKWARD-FACING STEP CHANNEL FLOW

Alessandro Capone
Dipartimento Ing. Meccanica e Aerospaziale University La Sapienza Rome, Italy

Giovanni Paolo Romano
Dipartimento di Ingegneria Meccanica e Aerospaziale, 'Sapienza' University, Via Eudossiana 18, 00164 Roma, Italy

Résumé

A backward-facing step channel flow at Reynolds number 15000 laden with rod-like particles at different volume concentrations is investigated by means of Particle Image Velocimetry. High spatial resolution allows for particles orientation detection. Interactions among flow features and fiber orientation are analysed and discussed.