Recirculating flow around a backward-facing step is caIculated by large eddy simulation (LES). The reattachment length is found to be xR/H = 8 for a Smagorinsky constant of C = 0.15, and xR/H = 9 for C = 0.10. In the recirculating region, three eddy structures can be observed in the instantaneous st
Large eddy simulation of turbulent flow downstream of a backward-facing step
β Scribed by Wenquan Wang; Lixiang Zhang; Yan Yan
- Book ID
- 119357452
- Publisher
- Elsevier
- Year
- 2012
- Tongue
- English
- Weight
- 380 KB
- Volume
- 31
- Category
- Article
- ISSN
- 1877-7058
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π SIMILAR VOLUMES
The heat transfer and fluid mechanics of a turbulent separating and reattaching flow past a backward-facing step are studied using large eddy simulation. A fully coupled, collocated-grid, low-Mach number preconditioned, compressible formulation employing central differences was developed to conduct
The feasibility of using a commercial CFD code for large eddy simulation (LES) is investigated. A first test on homogeneous turbulence decay allows a fine-tuning of the eddy viscosity with respect to the numerical features of the code. Then, a flow over forward-backward facing step at Reynolds numbe