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  • The effect of subgrid scales on motion of particles is studied in this work. The case of particleladen channel flow was chosen as a test case. The method used for simulation of the transport (liquid) phase was Large Eddy Simulation using approximate deconvolution method as a subgrid model. The dispersed phase (particles) was treated by Lagrangian approach. To Lagrangian equations of motion describing the motion of particles was added an additional stochastic term in order to include the effect of subgrid scales on particles. This term is proportional to the subgrid kinetic energy. The simulations were performed for various size of particles. The results are compared with the previous studies of LES particle-laden flows and DNS simulation done by Kuerten. The stochastic model proposed in this work shows improvement in prediction of turbulent statistics of particles and concentration of particles close to the wall.
  • The effect of subgrid scales on motion of particles is studied in this work. The case of particleladen channel flow was chosen as a test case. The method used for simulation of the transport (liquid) phase was Large Eddy Simulation using approximate deconvolution method as a subgrid model. The dispersed phase (particles) was treated by Lagrangian approach. To Lagrangian equations of motion describing the motion of particles was added an additional stochastic term in order to include the effect of subgrid scales on particles. This term is proportional to the subgrid kinetic energy. The simulations were performed for various size of particles. The results are compared with the previous studies of LES particle-laden flows and DNS simulation done by Kuerten. The stochastic model proposed in this work shows improvement in prediction of turbulent statistics of particles and concentration of particles close to the wall. (en)
Title
  • The effect of subgrid scales on motion of particles in particle-laden channel flow
  • The effect of subgrid scales on motion of particles in particle-laden channel flow (en)
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  • The effect of subgrid scales on motion of particles in particle-laden channel flow
  • The effect of subgrid scales on motion of particles in particle-laden channel flow (en)
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  • RIV/00216305:26210/09:PU83275!RIV10-GA0-26210___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA101/08/0096)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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  • 312268
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  • RIV/00216305:26210/09:PU83275
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  • Large eddy simulation, particles, subgrid modeling (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [C51E42CF8860]
http://linked.open...v/mistoKonaniAkce
  • Praha
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  • Praha
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  • Colloquium Fluid Dynamics Proceedings
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http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Volavý, Jaroslav
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
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  • Ústav termomechaniky AV ČR
https://schema.org/isbn
  • 978-80-87012-21-5
http://localhost/t...ganizacniJednotka
  • 26210
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