International Journal of Heat and Mass Transfer 124 (2018) 715–725 Contents lists available at ScienceDirect International Journal of Heat and Mass Transfer journal homepage: www.elsevier.com/locate/ijhmt Translational and rotational motions of small solid particles in a spatially developing turbulent boundary layer with heat transfer Dong Li, Kun Luo , Jianren Fan State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China article i nfo abstract Article history: Direct numerical simulations have been performed to investigate the translational and rotational motions Received 19 September 2017 of small solid particles in a spatially developing turbulent boundary layer with heat transfer and two-way Received in revised form 26 October 2017 coupling, using the Eulerian-Lagrangian point-particle approach. The particles are assumed to be smaller Accepted 2 April 2018 than the Kolmogorov length scale in the dilute gas-solid ﬂow. The simulation results show that the Available online 6 April 2018 motion of particles is affected by particle inertia, particle preferential concentration and two-way cou- pling. The mean particle angular velocity is slightly larger than the ﬂuid one in the buffer layer since Keywords: the small heavy particles preferentially accumulate in regions of high strain rate, whereas the particles Turbulent boundary layer rotate slower
International Journal of Heat and Mass Transfer – Elsevier
Published: Sep 1, 2018
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