Wu Bin, Cheng Peng. Application of General Orthogonal Polynomials on Tracking Problem of Time-varying Systems Optimal Control[J]. Journal of Beijing University of Aeronautics and Astronautics, 1999, 25(4): 414-417. (in Chinese)
Citation: Liu Chuankai, Ding Shuiting, Tao Zhiet al. Effects of rotating induced forces on fluid flow and heat transfer in square channel[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(3): 276-279. (in Chinese)

Effects of rotating induced forces on fluid flow and heat transfer in square channel

  • Received Date: 11 Mar 2008
  • Publish Date: 31 Mar 2009
  • Numerical simulations of turbulent flow and heat transfer in a rotating smooth radial outward flow passage were performed with rotation number from 0 to 0.24, density ratio from 0 to 0.22, and fixed Reynolds number of 25000. Effects of Coriolis force and Centrifugal force were analyzed with the three dimensional simulations and the following conclusions were drawn: the tangential component of Coriolis force induces cross stream secondary flow in the form of two-cell pattern, while the radial component of Coriolis force decelerates and accelerates the center bulk flow and the flow in the vicinity of the side wall, respectively. The influence of buoyancy force on flow and heat transfer shows marked dependency on the intensity of the Coriolis force. The predictions reproduce correct physics and show qualitative agreement with the published experimental observations.

     

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