Details of the turbulent flow in a 1:8 aspect ratio rectangular duct at a Reynolds number of approximately 5800 were investigated both numerically and experimentally. The three-dimensional mean velocity field and the normal stresses were measured at a position 50 hydraulic diameters downstream from
Numerical simulation of three dimensional turbulent flow in suddenly expanded rectangular duct
β Scribed by Guo Jiahong; Xu Hongyi
- Publisher
- Springer
- Year
- 1996
- Tongue
- English
- Weight
- 524 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0253-4827
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β¦ Synopsis
In this paper, to simulate the three dimensional turbulent flow in suddenly expanded rectangulur duct numerically , the SIMPLEC algorithm is employed to solve the incompressible Navier-Stokes equation with k-s turbulence model. The numerical results show well the three dimensional turbulent ,flow field in the rectangular duct behind the sudden expansion cross-section, and agree fair&: well' with the esperimental result of the length qf the main circurnfluence. The numerical method qf this paper can be upplied to numerical analvsis of this kind of turbulent flow.
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