采用双流体方法对冲击波与泡沫层的相互作用进行数值模拟

IF 1 4区 物理与天体物理 Q4 PHYSICS, APPLIED
P. A. Chuprov, P. S. Utkin, S. V. Fortova, A. D. Kiverin
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引用次数: 0

摘要

摘要 文章研究了 Baer-Nunziato 双流体模型对冲击波与泡沫层相互作用问题的适用性。文中提出了决定方程组。提出并详细描述了基于 Harten-Lax-Van Leer 方案的计算算法,该算法具有接触不连续性分辨率,包括相速度和压力松弛阶段。利用所提出的计算技术,考虑了弱扰动在两相介质中的传播问题。得到的传播速度接近于使用伍德公式估算的结果。还考虑了冲击波与不可穿透壁附近泡沫层的相互作用问题。该公式与全尺寸实验相对应。描述了在此问题中利用提出的模型实现的非稳态波动力学。计算结果与实验数据在定性和定量方面都取得了良好的一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Numerical Simulation of the Interaction of a Shock Wave with a Foam Layer Using a Two-Fluid Approach

Numerical Simulation of the Interaction of a Shock Wave with a Foam Layer Using a Two-Fluid Approach

Abstract

The article studies the applicability of the Baer–Nunziato two-fluid model to the problem of interaction of a shock wave with a foam layer. The determining system of equations is formulated. A computational algorithm based on the Harten–Lax–Van Leer scheme with contact discontinuity resolution, including phase velocity and pressure relaxation stages, is proposed and described in detail. Using the proposed computational technology, the problem of propagation of a weak perturbation in a two-phase medium is considered. The propagation velocity obtained is close to the estimate using Wood formula. The problem of the interaction of a shock wave with a foam layer near an impenetrable wall is also considered. The formulation corresponds to full-scale experiments. The nonstationary wave dynamics realized in this problem using the proposed model is described. Good qualitative and quantitative agreement is obtained between the calculation results and experimental data.

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来源期刊
High Temperature
High Temperature 物理-物理:应用
CiteScore
1.50
自引率
40.00%
发文量
0
审稿时长
4-8 weeks
期刊介绍: High Temperature is an international peer reviewed journal that publishes original papers and reviews written by theoretical and experimental researchers. The journal deals with properties and processes in low-temperature plasma; thermophysical properties of substances including pure materials, mixtures and alloys; the properties in the vicinity of the critical point, equations of state; phase equilibrium; heat and mass transfer phenomena, in particular, by forced and free convections; processes of boiling and condensation, radiation, and complex heat transfer; experimental methods and apparatuses; high-temperature facilities for power engineering applications, etc. The journal reflects the current trends in thermophysical research. It presents the results of present-day experimental and theoretical studies in the processes of complex heat transfer, thermal, gas dynamic processes, and processes of heat and mass transfer, as well as the latest advances in the theoretical description of the properties of high-temperature media.
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