THREE-DIMENSIONAL MEASUREMENTS OF HEAVY AND LIGHT PARTICLE DISPERSION IN SHEAR TURBULENCE etc15 Tracking Number 459Presentation: Session: Multiphase and non-Newtonian flows 1 Room: Room G Session start: 13:30 Wed 26 Aug 2015 Claudia Nicolai c.nicolai@insean.it Affifliation: CNR-INSEAN, Via di Vallerano 139, 00128 Rome, Italy Boris Jacob borisfrancesco.jacob@cnr.it Affifliation: CNR-INSEAN, Via di Vallerano 139, 00128 Rome, Italy Francisco Pereira francisco.alvespereira@cnr.it Affifliation: CNR-INSEAN, Via di Vallerano 139, 00128 Rome, Italy Renzo Piva renzo.piva@uniroma1.it Affifliation: Dept. Mechanical and Aerospatial Engineering, DIMA, Via Eudossiana 18, 00184 Rome, Italy Topics: - Turbulence in multiphase and non-Newtonian flows Abstract: We present new experimental data concerning the statistics of heavy and light particles dispersed at low concentrations in a homogeneous turbulent shear flow. Information on both the spatial distribution and on the relative velocity of the dispersed phases is obtained by accurate three-dimensional optical measurements, and will allow to comparatively discuss the issues of turbulent clustering and small scale anisotropy by analyzing the scale- and angular dependence of suitable particle observables computed in the two cases. |