Translational and rotational motions of small solid particles in a spatially developing turbulent boundary layer with heat transfer

Translational and rotational motions of small solid particles in a spatially developing turbulent... 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 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Heat and Mass Transfer Elsevier

Translational and rotational motions of small solid particles in a spatially developing turbulent boundary layer with heat transfer

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
0017-9310
eISSN
1879-2189
D.O.I.
10.1016/j.ijheatmasstransfer.2018.04.007
Publisher site
See Article on Publisher Site

Abstract

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

Journal

International Journal of Heat and Mass TransferElsevier

Published: Sep 1, 2018

References

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