Large Eddy Simulations for the Ahmed Car at 25° Slant Angle at Different Reynolds Numbers

IF 2 3区 工程技术 Q3 MECHANICS Flow, Turbulence and Combustion Pub Date : 2023-09-09 DOI:10.1007/s10494-023-00472-9
Florian R. Menter, Andreas Hüppe, David Flad, Andrey V. Garbaruk, Alexey A. Matyushenko, Andrey S. Stabnikov
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Abstract

The article investigates the feasibility of Large Eddy Simulation methods to accurately compute the flow around the Ahmed car body at \(25^\circ\) slant angle. The flow is computed at two different Reynolds numbers and with different turbulence modeling concepts using a large variety of grids. Issues associated with the accurate computation of the separation at the slant onset will be discussed in detail.

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不同雷诺数下 25° 斜角处 Ahmed Car 的大涡流模拟
文章研究了用大涡流模拟方法精确计算 Ahmed 车身斜角周围流动的可行性。在两种不同的雷诺数和不同的湍流建模概念下,使用大量不同的网格对流动进行了计算。将详细讨论与精确计算斜角起始处分离相关的问题。
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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来源期刊
Flow, Turbulence and Combustion
Flow, Turbulence and Combustion 工程技术-力学
CiteScore
5.70
自引率
8.30%
发文量
72
审稿时长
2 months
期刊介绍: Flow, Turbulence and Combustion provides a global forum for the publication of original and innovative research results that contribute to the solution of fundamental and applied problems encountered in single-phase, multi-phase and reacting flows, in both idealized and real systems. The scope of coverage encompasses topics in fluid dynamics, scalar transport, multi-physics interactions and flow control. From time to time the journal publishes Special or Theme Issues featuring invited articles. Contributions may report research that falls within the broad spectrum of analytical, computational and experimental methods. This includes research conducted in academia, industry and a variety of environmental and geophysical sectors. Turbulence, transition and associated phenomena are expected to play a significant role in the majority of studies reported, although non-turbulent flows, typical of those in micro-devices, would be regarded as falling within the scope covered. The emphasis is on originality, timeliness, quality and thematic fit, as exemplified by the title of the journal and the qualifications described above. Relevance to real-world problems and industrial applications are regarded as strengths.
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