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Volume 29 Issue 5
Oct.  2008
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TIAN Ruifeng, MAO Xiaohui, WANG Xiaojun. Study on 3-D Flow Field in 5×5 Rod Bundles with Spacer Grids[J]. Nuclear Power Engineering, 2008, 29(5): 48-51.
Citation: TIAN Ruifeng, MAO Xiaohui, WANG Xiaojun. Study on 3-D Flow Field in 5×5 Rod Bundles with Spacer Grids[J]. Nuclear Power Engineering, 2008, 29(5): 48-51.

Study on 3-D Flow Field in 5×5 Rod Bundles with Spacer Grids

  • Received Date: 2007-08-28
  • Rev Recd Date: 2008-03-03
  • Publish Date: 2008-10-15
  • This paper studied the 3-D single-phase flow field in 5×5 rod bundles with spacer grids by numerical method. By using hybrid grids technique, SST k-ω model and SIMPLEC algorithm, the Reynolds averaged mass conservation equation and momentum conservation equation were solved, and the pressure and velocity field were obtained. The results show that the spacer grid leads to intense lateral flow in rod bundles channel, and the lateral vilocity submits parabola distributing raw; axial velocities are distributed uniformly in the channel, and drag coefficient decreases as inlet Reynolds in the universe degrade. Calculation results agreed with experiment data well.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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