Synthetic Inlet Conditions for Inhomogeneous Flows from Filters, Packed Beds, or Sinter Plates

IF 2 3区 工程技术 Q3 MECHANICS Flow, Turbulence and Combustion Pub Date : 2023-12-12 DOI:10.1007/s10494-023-00517-z
Seung-Jin Baik, Fabio J. W. A. Martins, Frank Beyrau, Andreas Kempf
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Abstract

A practical method is presented to generate inflow boundary conditions for the laminar but spatially inhomogeneous flow out of filters, packed beds, or sinter plates. A synthetic velocity field that statistically reproduces the outflow characteristics is created based on digitally filtered random noise by the integral lengthscale of the investigated flow at a low computational cost. The method is tested to reproduce a real flow downstream of a sinter plate, which has its velocity measured using a hot-wire anemometer. Results demonstrate that the present method can efficiently generate synthetic inflow fields.

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过滤器、填料床或烧结板非均匀流的合成入口条件
本文介绍了一种实用方法,用于生成过滤器、填料床或烧结板的层流但空间不均匀流出的流入边界条件。该方法基于数字滤波随机噪声,以较低的计算成本,按所研究流体的整体长度尺度创建了一个能在统计上再现流出特性的合成速度场。通过测试,该方法再现了烧结板下游的真实流动,该流动的速度是通过热线风速计测量的。结果表明,本方法可有效生成合成流入场。
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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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