Numerical Study of Microchannel Blockage Time in the Interaction of Two-Phase Flow with a Particle Using Lattice Boltzmann Method

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EHSANI R.; RAHMATI A.R.

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Journal: Modares Mechanical Engineering Year:2020 | Volume:20 | Issue:3 Page(s): 731-738

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Title

Numerical Study of Microchannel Blockage Time in the Interaction of Two-Phase Flow with a Particle Using Lattice Boltzmann Method

Author(s)

EHSANI R. | RAHMATI A.R. | Issue Writer Certificate

Keywords

Lattice Boltzmann MethodQ1

Immersed Boundary MethodQ1

Lee and Lin MethodQ1

Two-Phase Flow-Particle InteractionQ1

Abstract

Atherosclerosis is responsible for almost 35% of annual deaths in developed countries. The disease could be due to an artery blockage by the interaction of an externally second phase (air bubbles, medicine-carrying capsules) with a particle that is entered into the bloodstream. The effect of some of the important affecting parameters on the blockage time of a microchannel due to the impact of a particle collision with and a moving second phase is investigated using the Lattice Boltzmann Method and with programming Fortran 90. The authors tried to mimic the physic of the flow of a small artery by generating the same geometry and changing geometrical and physical parameters. In the present research, Lee and Lin Lattice Boltzmann multi-phase model is used beside the Immersed Boundary Method. It is investigated that the small changes in Capillary flow have no meaningful effect on the interaction of the second phase and particle. But, the ratio of particle size to the channel width affects the blockage time in the microchannel. In fact, the blockage time will increase by an increase in the size of the particle. The initial size of the second phase to particle size ratio has the highest effect on the blockage time.

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APA: Copy

EHSANI, R., & RAHMATI, A.R.. (2020). Numerical Study of Microchannel Blockage Time in the Interaction of Two-Phase Flow with a Particle Using Lattice Boltzmann Method. MODARES MECHANICAL ENGINEERING, 20(3 ), 731-738. SID. https://sid.ir/paper/179108/en

Vancouver: Copy

EHSANI R., RAHMATI A.R.. Numerical Study of Microchannel Blockage Time in the Interaction of Two-Phase Flow with a Particle Using Lattice Boltzmann Method. MODARES MECHANICAL ENGINEERING[Internet]. 2020;20(3 ):731-738. Available from: https://sid.ir/paper/179108/en

IEEE: Copy

R. EHSANI, and A.R. RAHMATI, “Numerical Study of Microchannel Blockage Time in the Interaction of Two-Phase Flow with a Particle Using Lattice Boltzmann Method,” MODARES MECHANICAL ENGINEERING, vol. 20, no. 3 , pp. 731–738, 2020, [Online]. Available: https://sid.ir/paper/179108/en

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