Multiphase Flow Simulations in Inclined Tubes with Lattice Boltzmann Method on GPU

D.P. Khramtsov, D.A. Nekrasov, B.G. Pokusaev
Department of Thermodynamics, Thermal Engineering and Energy Saving Technologies, Moscow State University of Mechanical Engineering, Moscow, Russia
Third International Conference "High Performance Computing" (HPC-UA 2013), 2013

   title={Multiphase Flow Simulations in Inclined Tubes with Lattice Boltzmann Method on GPU},

   author={Khramtsov, DP and Nekrasov, DA and Pokusaev, BG},



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Multiphase flows are widely used in many practical applications in industry, such as oil industry, chemical and thermal engineering, bioengineering and medicine. Especially flows in tubes with granular layer. Multiphase flows in inclined tubes are poorly studied. Numerical study of multiphase flows in inclined tubes was performed. Cases of clear tube and tube with granular layer were examined. Simulation model was based on lattice Boltzmann method. Parallel algorithm was programmed in CUDA C. For numerical simulations graphical processor nVidia Tesla C2075 was used. Bubble flow in inclined tubes with different inclination angles and diameters of beads were studied. Simulation results are in agreement with the experimental studies. Flow pattern of air bubble was examined.
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