Calculation of the expansion dynamics of evaporated tungsten under the action of a laser pulse

A. S. Arakcheev; G. G. Lazareva; A. G. Maksimova; V. A. Popov; N. E. Ivashin

doi:10.1088/1742-6596/1640/1/012007

Calculation of the expansion dynamics of evaporated tungsten under the action of a laser pulse

A. S. Arakcheev, G. G. Lazareva, A. G. Maksimova, V. A. Popov, N. E. Ivashin

Research output: Contribution to journal › Conference article › peer-review

Abstract

The paper is devoted to the numerical implementation of a model of the dynamics of the tungsten vapors flow evaporating from the sample surface. To calculate the speed and mass flow rate of the substance evaporating from the sample surface, a system of gas dynamics equations is numerically solved. The boundary conditions for the gas velocity and density on the heated surface have a great influence on the solution of the problem. Boundary conditions for temperature are obtained as a result of solving the two-phase Stefan problem in a cross-section of the sample. The aim of the study is to model the erosion of the sample surface and penetration of heat flow into the material.

Original language	English
Article number	012007
Journal	Journal of Physics: Conference Series
Volume	1640
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/1640/1/012007
Publication status	Published - 14 Oct 2020
Event	3rd Virtual Workshop on Numerical Modeling in MHD and Plasma Physics, MHD-PP 2020 - Novosibirsk, Russian Federation Duration: 12 Oct 2020 → 16 Oct 2020

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10.1088/1742-6596/1640/1/012007

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title = "Calculation of the expansion dynamics of evaporated tungsten under the action of a laser pulse",

abstract = "The paper is devoted to the numerical implementation of a model of the dynamics of the tungsten vapors flow evaporating from the sample surface. To calculate the speed and mass flow rate of the substance evaporating from the sample surface, a system of gas dynamics equations is numerically solved. The boundary conditions for the gas velocity and density on the heated surface have a great influence on the solution of the problem. Boundary conditions for temperature are obtained as a result of solving the two-phase Stefan problem in a cross-section of the sample. The aim of the study is to model the erosion of the sample surface and penetration of heat flow into the material. ",

author = "Arakcheev, {A. S.} and Lazareva, {G. G.} and Maksimova, {A. G.} and Popov, {V. A.} and Ivashin, {N. E.}",

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AU - Arakcheev, A. S.

AU - Lazareva, G. G.

AU - Maksimova, A. G.

AU - Popov, V. A.

AU - Ivashin, N. E.

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N2 - The paper is devoted to the numerical implementation of a model of the dynamics of the tungsten vapors flow evaporating from the sample surface. To calculate the speed and mass flow rate of the substance evaporating from the sample surface, a system of gas dynamics equations is numerically solved. The boundary conditions for the gas velocity and density on the heated surface have a great influence on the solution of the problem. Boundary conditions for temperature are obtained as a result of solving the two-phase Stefan problem in a cross-section of the sample. The aim of the study is to model the erosion of the sample surface and penetration of heat flow into the material.

AB - The paper is devoted to the numerical implementation of a model of the dynamics of the tungsten vapors flow evaporating from the sample surface. To calculate the speed and mass flow rate of the substance evaporating from the sample surface, a system of gas dynamics equations is numerically solved. The boundary conditions for the gas velocity and density on the heated surface have a great influence on the solution of the problem. Boundary conditions for temperature are obtained as a result of solving the two-phase Stefan problem in a cross-section of the sample. The aim of the study is to model the erosion of the sample surface and penetration of heat flow into the material.

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