间歇性流动的开始:流动结构的可视化

IF 1.8 4区工程技术 Q4 ENERGY & FUELS Oil & Gas Science and Technology – Revue d’IFP Energies nouvelles Pub Date : 2021-01-01 DOI:10.2516/OGST/2021009

A. Arabi, Y. Salhi, Amina Bouderbal, Y. Zenati, E. Si-Ahmed, J. Legrand

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引用次数: 5

摘要

通过流动显示和压降信号分析，研究了30 mm内径管内空气-水两相流由分层流向间歇流的转变。间歇流的发生主要取决于液体表面流速和管径。在气体表面速度基础上，可以得到塞流、低曝气段塞流(LAS)或高曝气段塞流(HAS)。与实验相比，现有的模型不能充分预测间歇流的发生。压降信号的峰值显示了液体鼻涕虫的外观。此外，研究表明，可用的段塞频率相关性在间歇流动开始的区域是无效的。

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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Onset of intermittent flow: Visualization of flow structures

The transition from stratified to intermittent air-water two-phase flow was investigated experimentally, by flow visualization and pressure drop signals analyses, in a 30 mm ID pipe. The intermittent flow’s onset was found to be mainly dependent on the liquid superficial velocity and the pipe diameter. Plug flow, Less Aerated Slug (LAS) or Highly Aerated Slug (HAS) flows could be obtained on the gas superficial velocity grounds. The available models, compared to experiments, could not predict adequately the intermittent flow onset. The appearance of liquid slugs was revealed by peaks in the pressure drop signal. Furthermore, it was shown that the available slug frequency correlations were not valid in the zone of the onset of intermittent flow.

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来源期刊

Oil & Gas Science and Technology – Revue d’IFP Energies nouvelles 工程技术-工程：化工

CiteScore

2.70

自引率

0.00%

发文量

审稿时长

2.7 months

期刊介绍： OGST - Revue d''IFP Energies nouvelles is a journal concerning all disciplines and fields relevant to exploration, production, refining, petrochemicals, and the use and economics of petroleum, natural gas, and other sources of energy, in particular alternative energies with in view of the energy transition. OGST - Revue d''IFP Energies nouvelles has an Editorial Committee made up of 15 leading European personalities from universities and from industry, and is indexed in the major international bibliographical databases. The journal publishes review articles, in English or in French, and topical issues, giving an overview of the contributions of complementary disciplines in tackling contemporary problems. Each article includes a detailed abstract in English. However, a French translation of the summaries can be provided to readers on request. Summaries of all papers published in the revue from 1974 can be consulted on this site. Over 1 000 papers that have been published since 1997 are freely available in full text form (as pdf files). Currently, over 10 000 downloads are recorded per month. Researchers in the above fields are invited to submit an article. Rigorous selection of the articles is ensured by a review process that involves IFPEN and external experts as well as the members of the editorial committee. It is preferable to submit the articles in English, either as independent papers or in association with one of the upcoming topical issues.