Numerical study of shock waves and supersonic jets triggered by cavitation bubble collapse in different pressurized ambiences

IF 1.5 4区 工程技术 Q3 ENGINEERING, MECHANICAL
Van-Tu Nguyen, Thanh-Hoang Phan, Seong-Ho Park, Trong-Nguyen Duy, Quang-Thai Nguyen, Warn-Gyu Park
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引用次数: 0

Abstract

This paper presents a numerical exploration of shock waves and high-speed microjets induced by the collapse of bubbles near a wall in a pressurized liquid using a recently developed compressible multiphase flow model. The mathematical model utilized in this study ensures full conservation, which is a critical factor for faithfully representing shock phenomena. The numerical methodology integrates the principles of compressibility and thermodynamics to accurately simulate the intricate flow behavior. A shock-capturing method is employed along with a precise Riemann solver and a high-order scheme to capture intense shocks effectively. This investigation examines the propagation of pressure waves, shock structures, and highspeed liquid jets generated by bubble collapses near a wall under various pressurized ambient conditions. This study aims to provide a comprehensive understanding of the bubble collapse phenomena in high-pressure environments, thereby elucidating the associated physical aspects.

不同加压环境中空化泡坍塌引发的冲击波和超音速喷流的数值研究
本文利用最新开发的可压缩多相流模型,对增压液体中靠近壁面的气泡坍塌诱发的冲击波和高速微射流进行了数值探索。本研究采用的数学模型确保了完全守恒,这是忠实再现冲击现象的关键因素。数值方法综合了可压缩性和热力学原理,以精确模拟复杂的流动行为。采用了冲击捕捉方法、精确的黎曼求解器和高阶方案,以有效捕捉强烈的冲击。这项研究考察了在各种加压环境条件下,气泡坍塌在壁附近产生的压力波、冲击结构和高速液体射流的传播情况。这项研究旨在全面了解高压环境下的气泡坍塌现象,从而阐明相关的物理问题。
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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来源期刊
Journal of Mechanical Science and Technology
Journal of Mechanical Science and Technology 工程技术-工程:机械
CiteScore
2.90
自引率
6.20%
发文量
517
审稿时长
7.7 months
期刊介绍: The aim of the Journal of Mechanical Science and Technology is to provide an international forum for the publication and dissemination of original work that contributes to the understanding of the main and related disciplines of mechanical engineering, either empirical or theoretical. The Journal covers the whole spectrum of mechanical engineering, which includes, but is not limited to, Materials and Design Engineering, Production Engineering and Fusion Technology, Dynamics, Vibration and Control, Thermal Engineering and Fluids Engineering. Manuscripts may fall into several categories including full articles, solicited reviews or commentary, and unsolicited reviews or commentary related to the core of mechanical engineering.
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