Effects of Reynolds Number and Stokes Number on Particle-pair Relative Velocity in Isotropic Turbulence: A Systematic Experimental Study
Zhongwang Dou, Andrew D. Bragg, Adam L. Hammond, Zach Liang, Lance R., Collins, Hui Meng
TL;DR
This study systematically investigates how Reynolds and Stokes numbers influence particle-pair relative velocities in isotropic turbulence using advanced particle tracking in a controlled experimental setup.
Contribution
It introduces a novel experimental approach to analyze the effects of Reynolds and Stokes numbers on particle dynamics in turbulence.
Findings
Reynolds number significantly affects particle-pair relative velocity.
Stokes number influences the clustering and relative velocity of particles.
Experimental data provide new insights into turbulence-particle interactions.
Abstract
The effects of Reynolds number and Stokes number on particle-pair relative velocity (RV) were investigated systematically using a recently developed planar four-frame particle tracking technique in a novel homogeneous and isotropic turbulence chamber.
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