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首页> 外文期刊>American journal of fluid dynamics >Bubbly Two-Phase Flow: Part I - Characteristics, Structures, Behaviors and Flow Patterns
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Bubbly Two-Phase Flow: Part I - Characteristics, Structures, Behaviors and Flow Patterns

机译：气泡两相流：第一部分-特性，结构，行为和流型

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摘要

An important topic in fluid dynamics is multiphase flows. Multiphase flows can be found in numerous fields in engineering, e.g. aerospace, biomedical, chemical, electrical, environmental, mechanical, materials, nuclear and naval engineering. There is an enormous variation in applications, e.g. rocket engines, chemical reactors, contamination spreading, multiphase mixture transport, cavitation, sonoluminescence, ink-jet printing, particle transport in blood, crystallization, multiphase cooling, fluidized beds, drying of gases, air entrainment in oceans/rivers and anti-icing fluids. The number of papers on multiphase flow in the field of fluid dynamics is enormous and still growing. The diversity of flow types makes a general description almost impossible. This makes fundamental research necessary. Especially, controlled experiments are needed for a better physical understanding and as test cases for numerical and theoretical work. The purpose of this paper is the desire to demonstrate, review and summarize the major finding of the previous research of bubbly two-phase flow characteristics, structures, behaviors and flow patterns. Moreover, to elucidate some important models and techniques to measure the two-phase bubbly flow parameters such as bubble motion, flow regime, bubble shape which play a considerable role in many engineering applications.
机译：流体动力学中的一个重要主题是多相流。多相流可以在工程学的许多领域中找到，例如航空航天，生物医学，化学，电气，环境，机械，材料，核和海军工程。应用程序的变化很大，例如火箭发动机，化学反应堆，污染物扩散，多相混合物传输，空化，声致发光，喷墨印刷，颗粒在血液中的传输，结晶，多相冷却，流化床，气体干燥，夹带海洋/河流和防冰液。在流体动力学领域中有关多相流的论文数量巨大并且还在不断增加。流类型的多样性使得几乎不可能进行一般描述。这使得基础研究成为必要。特别是，需要进行控制实验以更好地了解物理，并作为数值和理论工作的测试用例。本文的目的是希望证明，回顾和总结以往关于气泡状两相流动特性，结构，行为和流动模式的研究的主要发现。此外，阐明一些重要的模型和技术来测量两相气泡流动参数，例如气泡运动，流动状态，气泡形状，这些参数和技术在许多工程应用中起着相当重要的作用。

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