An improved algebraic model for bypass transition for calculation of transitional flow in parallel-plate channel

被引：4
|
作者：
Nering, Konrad [1 ]
Rup, Kazimierz [1 ]
机构：
[1] Cracow Univ Technol, Fac Mech Engn, Jana Pawla 2 37, PL-31864 Krakow, Poland
来源：
INTERNATIONAL JOURNAL OF THERMAL SCIENCES | 2019年 / 135卷
关键词：
Laminar-turbulent transition; k-omega turbulence model; Intermittency factor; CFD; OpenFOAM;
D O I：
10.1016/j.ijthermalsci.2018.09.038
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This paper presents the phenomenon of laminar turbulent transition simulated by modified algebraic intermittency model based on well known k-omega turbulence model by Wilcox for flows in parallel-plate channels. Results of simulations using described model were obtained for low Reynolds numbers 1000 <= Re <= 75000 with different turbulence intensity in inlet cross-section of the parallel-plate channel. Results were compared to and validated with existing data available in literature both experimental and theoretical. Implementation of described model with pre-processing and post-processing was made using open source software OpenFOAM.
引用
收藏
页码：471 / 477
页数：7
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