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Numerical simulations of multi-phase electro-hydrodynamics flows using a simple incompressible smoothed particle hydrodynamics method

Almasi, F. and Shadloo, M. S. and Hadjadj, A. and Özbulut, M. and Tofighi, Nima and Yıldız, Mehmet (2021) Numerical simulations of multi-phase electro-hydrodynamics flows using a simple incompressible smoothed particle hydrodynamics method. Computers and Mathematics with Applications (SI), 81 . pp. 772-785. ISSN 0898-1221 (Print) 1873-7668 (Online)

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Official URL: http://dx.doi.org/10.1016/j.camwa.2019.10.029

Abstract

Practically, every processing technology deals with complex multi-phase flows and predicting the fluid flow behavior is crucial for these processes. Current study discusses the application of a mesh-less numerical methodology, i.e. Incompressible Smoothed Particle Hydrodynamics (ISPH) to investigate the behavior of different multi-phase flow systems. This work is presented in a coherent way with increasing test problem difficulties and their concerned physical complexities. A wide range of problems including Laplace’s law, bubble rising, bubble suspension under an external electric field are considered for a code validation purpose, while the numerical results manifest very good accordance with the experimental and theoretical data. Finally, we show the effectiveness of using an external electric field for controlling a complex problem such as Couette flow for a range of electrical permittivity and electrical conductivity ratios. It is noted that the Electrohydrodynamics (EHD) effect on a suspended droplet in Couette flow case is simulated for the first time using the SPH method.

Item Type:Article
Uncontrolled Keywords:Couette flow; Electrohydrodynamics (EHD); Meshless methods; Multi-phase flow; Smoothed Particle Hydrodynamics (SPH)
Subjects:UNSPECIFIED
ID Code:42458
Deposited By:Mehmet Yıldız
Deposited On:22 Sep 2021 17:27
Last Modified:22 Sep 2021 17:27

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