垂直冲击射流的流体/欧拉-拉格朗日混合体积法

IF 0.9 4区工程技术 Q4 ENGINEERING, CIVIL

International Journal of Offshore and Polar Engineering Pub Date : 2022-03-01 DOI:10.17736/ijope.2022.jc838

Xiao-song Zhang, Weiwen Zhao, D. Wan

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引用次数: 2

摘要

垂直俯冲射流是一个典型的多尺度两相流问题，其中液体射流在自由表面的冲击下形成大量的微气泡。传统的数值模拟方法难以同时再现大尺度相界面演化和小尺度微气泡。本文采用流体体积/欧拉-拉格朗日混合方法对垂直俯冲射流问题进行了数值模拟。利用VOF方法捕获了大尺度空气-水界面，并将微气泡建模为拉格朗日点。设计了特殊的算法来实现两个框架之间的平滑转换。结果表明，该方法可以获得满意的多尺度两相流捕获精度和较高的效率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Hybrid Volume-of-Fluid/Euler–Lagrange Method for Vertical Plunging Jet Flows

The vertical plunging jet is a typical multiscale two-phase flow problem in which a large number of microbubbles are formed by the impingement of a liquid jet with a free surface. Traditional numerical simulation methods experience difficulty reproducing both the large-scale phase interface evolution and the small-scale microbubbles at the same time. In this paper, a hybrid volume-of-fluid (VOF)/Euler–Lagrange method is adopted to simulate the vertical plunging jet flow problem. The large-scale air-water interface is captured by the VOF method, and the microbubbles are modeled as Lagrange points. Special algorithms are designed to realize a smooth transformation between two frameworks. Results indicate that satisfactory multiscale two-phase flow capture accuracy can be achieved with high efficiency by using the new method.

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来源期刊

International Journal of Offshore and Polar Engineering ENGINEERING, CIVIL-ENGINEERING, OCEAN

CiteScore

2.00

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The primary aim of the IJOPE is to serve engineers and researchers worldwide by disseminating technical information of permanent interest in the fields of offshore, ocean, polar energy/resources and materials engineering. The IJOPE is the principal periodical of The International Society of Offshore and Polar Engineers (ISOPE), which is very active in the dissemination of technical information and organization of symposia and conferences in these fields throughout the world. Theoretical, experimental and engineering research papers are welcome. Brief reports of research results or outstanding engineering achievements of likely interest to readers will be published in the Technical Notes format.