Molecular dynamics study on surface melting and evaporation under high energy particle flux

H. Nakadate; S. Toda; Hidetoshi Hashizume

doi:10.1615/ICHMT.1997.IntSymLiqTwoPhaseFlowTranspPhenCHT.560

Molecular dynamics study on surface melting and evaporation under high energy particle flux

H. Nakadate, S. Toda, Hidetoshi Hashizume

ENG - Quantum Science and Energy Engineering

Research output: Contribution to journal › Conference article

Abstract

In order to decide the life time of the divertor plate of fusion reactors, it is necessary to estimate the erosion loss during a plasma disruption. However, in order to realistically simulate the effects of the plasma disruption on the plasma facing components, every related physical process should be taken into account, but it found to be difficult to be solved. The molecular dynamics method is one of the alternative and effective numerical methods to make it possible to analyze such the non-equilibrium phase change problems. In this study, the nonequilibrium evaporation processes are simulated with using the molecular dynamics method. Velocity distributions of evaporating atoms are analyzed.

Original language	English
Journal	International Symposium on Advances in Computational Heat Transfer
DOIs	https://doi.org/10.1615/ICHMT.1997.IntSymLiqTwoPhaseFlowTranspPhenCHT.560
Publication status	Published - 1997 Jan 1
Event	International Symposium on Advances in Computational Heat Transfer, CHT 1997 - Çeşme, Turkey Duration: 1997 May 26 → 1997 May 30

ASJC Scopus subject areas

Fluid Flow and Transfer Processes
Mechanical Engineering
Condensed Matter Physics
Computer Science Applications

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Nakadate, H., Toda, S., & Hashizume, H. (1997). Molecular dynamics study on surface melting and evaporation under high energy particle flux. International Symposium on Advances in Computational Heat Transfer. https://doi.org/10.1615/ICHMT.1997.IntSymLiqTwoPhaseFlowTranspPhenCHT.560

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abstract = "In order to decide the life time of the divertor plate of fusion reactors, it is necessary to estimate the erosion loss during a plasma disruption. However, in order to realistically simulate the effects of the plasma disruption on the plasma facing components, every related physical process should be taken into account, but it found to be difficult to be solved. The molecular dynamics method is one of the alternative and effective numerical methods to make it possible to analyze such the non-equilibrium phase change problems. In this study, the nonequilibrium evaporation processes are simulated with using the molecular dynamics method. Velocity distributions of evaporating atoms are analyzed.",

author = "H. Nakadate and S. Toda and Hidetoshi Hashizume",

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AU - Nakadate, H.

AU - Toda, S.

AU - Hashizume, Hidetoshi

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N2 - In order to decide the life time of the divertor plate of fusion reactors, it is necessary to estimate the erosion loss during a plasma disruption. However, in order to realistically simulate the effects of the plasma disruption on the plasma facing components, every related physical process should be taken into account, but it found to be difficult to be solved. The molecular dynamics method is one of the alternative and effective numerical methods to make it possible to analyze such the non-equilibrium phase change problems. In this study, the nonequilibrium evaporation processes are simulated with using the molecular dynamics method. Velocity distributions of evaporating atoms are analyzed.

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