非线性自由表面流动通过楔形通道

Q2 Engineering

INCAS Bulletin Pub Date : 2023-03-07 DOI:10.13111/2066-8201.2023.15.1.2

Tahar Blizak, A. Gasmi

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引用次数: 0

摘要

本文研究了无旋流通过位于通道中心的楔形物的二维问题。假设流体不可压缩且无粘性，则忽略重力的影响，但考虑表面张力。利用级数截断技术对未知方程自由面上具有非线性边界条件的问题进行了数值求解。结果表明，对于所有给定的楔形配置，韦伯数都有一个临界值，对于这个临界值，不存在每个小于这个的韦伯数的解。此外，所获得的结果扩展了Gasmi和Mekias[2]所做的工作。

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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Nonlinear Free Surface Flow past a Wedge in Channel

In this paper, the two-dimensional problem of irrotational flow past a wedge located in the center of the channel is considered. Assuming that the fluid is incompressible and non-viscous, the influence of gravity is ignored but the surface tension is considered. The problem which is characterized by the nonlinear boundary conditions on the free surface of the unknown equation is solved numerically by the series truncation technique. The results show that for all given wedge configurations, there is a critical value for the Weber number, for which there is no solution for every Weber number value smaller than this. In addition, the obtained results extend the work done by Gasmi and Mekias [2].

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来源期刊

INCAS Bulletin Engineering-Aerospace Engineering

自引率

0.00%

发文量

审稿时长

8 weeks

期刊介绍： INCAS BULLETIN is a scientific quartely journal published by INCAS – National Institute for Aerospace Research “Elie Carafoli” (under the aegis of The Romanian Academy) Its current focus is the aerospace field, covering fluid mechanics, aerodynamics, flight theory, aeroelasticity, structures, applied control, mechatronics, experimental aerodynamics, computational methods. All submitted papers are peer-reviewed. The journal will publish reports and short research original papers of substance. Unique features distinguishing this journal: R & D reports in aerospace sciences in Romania The INCAS BULLETIN of the National Institute for Aerospace Research "Elie Carafoli" includes the following sections: 1) FULL PAPERS. -Strength of materials, elasticity, plasticity, aeroelasticity, static and dynamic analysis of structures, vibrations and impact. -Systems, mechatronics and control in aerospace. -Materials and tribology. -Kinematics and dynamics of mechanisms, friction, lubrication. -Measurement technique. -Aeroacoustics, ventilation, wind motors. -Management in Aerospace Activities. 2) TECHNICAL-SCIENTIFIC NOTES and REPORTS. Includes: case studies, technical-scientific notes and reports on published areas. 3) INCAS NEWS. Promote and emphasise INCAS technical base and achievements. 4) BOOK REVIEWS.