Numerical simulation of single- and multi-mode film boiling using lattice Boltzmann method

Begmohammadi, Amirhosein; Rahimian, M.; Farhadzadeh, Mohsen; Hatani, M. Abbasi

doi:10.1016/j.camwa.2016.02.033

Cited by 18 publications

(2 citation statements)

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“…These fluid models are called Lattice-Gas Cellular Automata (LGCA) and the associated equations of propagation and collision, Lattice Boltzmann Models (LBM) [12]. Numerical simulations of phase change using LGCA and LBM have been reported in [6,7,30], and a methodology for three-phase contact line modeling on curved boundaries is presented in [21]. The foundations of the theory of LGCA and LBM are widely detailed in [69,96,82].…”

Section: Chapter 2 State-of-the-art Numerical Methods For Incompressible Two-phase Flow Simulationsmentioning

confidence: 99%

Numerical simulation of boiling on unstructured grids

Sahut

Ghigliotti

Balarac

et al. 2021

Journal of Computational Physics

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Section: Chapter 2 State-of-the-art Numerical Methods For Incompressible Two-phase Flow Simulationsmentioning

confidence: 99%

Numerical simulation of boiling on unstructured grids

Sahut

Ghigliotti

Balarac

et al. 2021

Journal of Computational Physics

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“…This, of course, prolongs the calculation time and decreases the algorithm efficiency. Also some other interesting but more complicated models with multiple distribution functions for multiphase/multicomponent flows conjugated with heat transfer exists [23,24] Therefore, this work discusses the simplified numerical model of liquid-gas flows characterized by an adequate stability and accuracy, which will allow its application in simulations of the casting mold pouring process.…”

Section: Introductionmentioning

confidence: 99%

Application of the lattice Boltzmann method for simulation of the mold filling process in the casting industry

et al. 2017

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The aim of this work is the development of the lattice Boltzmann model for simulation of the mold filling process. The authors present a simplified approach to the modeling of liquid metal-gas flows with particular emphasis on the interactions between these phases. The boundary condition for momentum transfer of the moving free surface to the gaseous phase is shown. Simultaneously, the method for modeling influence of gas back pressure on a position and shape of the interfacial boundary is explained in details. The problem of the lattice Boltzmann method (LBM) stability is also analyzed. Since large differences in viscosity of both fluids are a source of the model instability, the so-called fractional step (FS) method allowing to improve the computation stability is applied. The presented solution is verified on the bases of the available reference data and the results of experiments. It is shown that the model describes properly such effects as: gas bubbles formation and air back pressure, accompanying liquid-gas flows in the casting mold. At the same time the proposed approach is easy to be implemented and characterized by a lower demand of operating memory as compared to typical LBM models of two-phase flows.

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