粒子附近的气蚀物理学

IF 2.5 3区工程技术

Journal of Hydrodynamics Pub Date : 2024-04-02 DOI:10.1007/s42241-024-0006-x

Jia-xin Yu, Xiao-yu Wang, Jun-wei Shen, Jin-sen Hu, Xiang-qing Zhang, Da-qing He, Yu-ning Zhang

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引用次数: 0

摘要

气蚀和泥沙磨损的共同作用对确保在含泥沙流体中工作的液压机械的运行和效率构成了巨大的挑战和威胁。本文对当前有关气泡与颗粒相互作用机理的研究进展进行了评述。首先，论证了预测颗粒附近气泡坍塌喷射动力学的分析模型，包括边界处理方法。其次，通过实验和数值方法揭示了粒子附近的气泡坍塌动力学、射流动力学和冲击波特性。最后，以微射流为重点，研究了气泡-颗粒-壁系统。

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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Physics of cavitation near particles

The combined effect of cavitation and silt abrasion presents a great challenge and threat to secure the operation and the efficiency of hydraulic machineries working in sediment-laden fluid. The present paper critically reviews the current research progress on the interaction mechanisms of the bubbles and the particles. Firstly, the analytical models including boundary treatment methods for predicting the jet dynamics of the bubble collapse near particles are demonstrated. Secondly, the bubble collapsing dynamics, jet dynamics and shock wave characteristics near particles are revealed both experimentally and numerically. Finally, the bubble-particle-wall system is investigated with a focus on microjets.

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来源期刊

Journal of Hydrodynamics MECHANICS-

自引率

12.00%

发文量

2374

审稿时长

4.6 months

期刊介绍： Journal of Hydrodynamics is devoted to the publication of original theoretical, computational and experimental contributions to the all aspects of hydrodynamics. It covers advances in the naval architecture and ocean engineering, marine and ocean engineering, environmental engineering, water conservancy and hydropower engineering, energy exploration, chemical engineering, biological and biomedical engineering etc.