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Information Journal Paper

Title

NUMERICAL SIMULATION OF DROPLET COLLISION IN THE TWO PHASE FLOW USING LATTICE BOLTZMANN METHOD

Pages

  85-96

Abstract

 In this study, the collision of two drops using Lattice Boltzmann numerical method in two‐phase flow has been investigated. The simulation for incompressible fluid is based on the model represented by Lee. The prominent feature of this model is to simulate fluids with HIGH DENSITY RATIOs. Thus, the model has easily been compared with experimental results and its validity has been investigated. Using this simulation, the variation of non-dimensional parameters such as Weber number, Reynolds number, Impact parameter, density ratio, kinematic viscosity ratio, diameter ratio and velocity ratio of two drops were studied. Considering the results, it was shown that the density ratio and relative velocity ratio have no effect on separation or coalescence of drops collision; while the variation of Weber number, Impact Parameter and kinematic viscosity ratio results in separation or coalescence. Moreover, by increase in Weber number, Reynolds number or density ratio or decrease in kinematic viscosity, the number of oscillations and the time needed to reach equilibrium increases. Likewise, the amplitude of oscillation and the deformation of the drops increase when the Weber number, Reynolds number or density ratio rise or the kinematic viscosity lowers.

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    APA: Copy

    BIJARCHI, MOHAMAD ALI, & RAHIMIAN, MOHAMAD HASAN. (2014). NUMERICAL SIMULATION OF DROPLET COLLISION IN THE TWO PHASE FLOW USING LATTICE BOLTZMANN METHOD. MODARES MECHANICAL ENGINEERING, 14(2), 85-96. SID. https://sid.ir/paper/178380/en

    Vancouver: Copy

    BIJARCHI MOHAMAD ALI, RAHIMIAN MOHAMAD HASAN. NUMERICAL SIMULATION OF DROPLET COLLISION IN THE TWO PHASE FLOW USING LATTICE BOLTZMANN METHOD. MODARES MECHANICAL ENGINEERING[Internet]. 2014;14(2):85-96. Available from: https://sid.ir/paper/178380/en

    IEEE: Copy

    MOHAMAD ALI BIJARCHI, and MOHAMAD HASAN RAHIMIAN, “NUMERICAL SIMULATION OF DROPLET COLLISION IN THE TWO PHASE FLOW USING LATTICE BOLTZMANN METHOD,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 2, pp. 85–96, 2014, [Online]. Available: https://sid.ir/paper/178380/en

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