等径油气采油管内斯托克斯流的有限元算法

IF 1.8 4区工程技术 Q4 ENERGY & FUELS

Oil & Gas Science and Technology – Revue d’IFP Energies nouvelles Pub Date : 2020-08-28 DOI:10.2516/OGST/2020067

Lateef T. Akanji, J. Chidamoio

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引用次数: 3

摘要

研究了牛顿流体在等径油气采油管内的斯托克斯流动。通过对离散管道计算机辅助设计的直接模拟，得到了不同内径均匀的生产油管在重力作用下的速度分布和压力场。用该方法得到的结果与Hagen-Poiseuille方程的积分形式(即润滑近似)以及垂直管道流动的实验和数值研究数据进行了比较。计算结果与实测压力场的蠕变流型吻合较好，相关系数为0.97。利用ANSYS Fluent软件对计算得到的速度场进行了基准测试;一个有限元商业软件包，在一个单相流模拟使用轴向速度分布计算沿预定位置的几何域。该方法在计算速度和精度方面都比其他现有方法提供了改进的求解方法。

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 finite-element algorithm for Stokes flow through oil and gas production tubing of uniform diameter

Stokes flow of a Newtonian fluid through oil and gas production tubing of uniform diameter is studied. Using a direct simulation on computer-aided design of discretised conduits, velocity profiles with gravitational effect and pressure fields are obtained for production tubing of different inner but uniform diameter. The results obtained with this new technique are compared with the integrated form of the Hagen–Poiseuille equation (i.e. , lubrication approximation) and data obtained from experimental and numerical studies for flow in vertical pipes. Good agreement is found in the creeping flow regime between the computed and measured pressure fields with a coefficient of correlation of 0.97. Further, computed velocity field was benchmarked against ANSYS Fluent ; a finite element commercial software package, in a single-phase flow simulation using the axial velocity profile computed at predefined locations along the geometric domains. This method offers an improved solution approach over other existing methods both in terms of computational speed and accuracy.

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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.