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Development and Elaboration of Numerical Method to Simulate Gas-Liquid-Solid Three-Phase Flows Based on MPS Method

[+] Author Affiliations
Ryohei Takahashi, Makoto Yamamoto

Tokyo University of Science, Niijuku, Japan

Paper No. AJKFluids2015-03517, pp. V01AT03A009; 6 pages
doi:10.1115/AJKFluids2015-03517
From:
  • ASME/JSME/KSME 2015 Joint Fluids Engineering Conference
  • Volume 1A: Symposia, Part 2
  • Seoul, South Korea, July 26–31, 2015
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-5721-3
  • Copyright © 2015 by JSME

abstract

In recent years, the utilization of computational fluid dynamics (CFD) in various industrial fields has broadened following developments in computer technology. Although mainstream CFD is currently based on a grid method in an Eulerian framework, it is difficult to apply this to the simulation of problems in which large deformations of interfaces between phases occur or where microscopic scale phenomena have a great influence on the entire flow field. For this reason, particle methods, which can offer advantages for dealing with interface deformations and microscopic scale phenomena, are now receiving attention. Among the various particle methods, the moving-particle semi-implicit (MPS) method [1] is the most well-established and various physical models and extended numerical methods have been developed using it. In this study, we developed a numerical method to simulate a gas-liquid-solid three-phase flow based on the MPS approach. This method makes possible the coupling of independent computations of different phases. We conducted numerical tests on gas-liquid two-phase, liquid-solid two-phase and gas-liquid-solid three-phase simulations. Computational targets are modelling the dam break and solid-particle impingement phenomena. The computational results indicate reasonable agreement with the experimental results. We confirmed that the present method can reproduce the interactions between gas, liquid and solid phases that are difficult to reproduce with conventional grid methods.

Copyright © 2015 by JSME

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