The effect of subgrid scales on motion of particles in particle-laden channel flow

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F09%3APU83275" target="_blank" >RIV/00216305:26210/09:PU83275 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
The effect of subgrid scales on motion of particles in particle-laden channel flow
Original language description
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.
Czech name
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Czech description
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Project
<a href="/en/project/GA101%2F08%2F0096" target="_blank" >GA101/08/0096: Advanced Large Eddy Simulation modelling of particle-laden turbulent flow and shear-driven liquid wall film</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2009
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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