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Volume 32 Issue 1
Mar.  2025
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ZHANG Hao, XIE Zhengrui, YANG Yanhua. Study on Turbulence Model of Supercritical Fluids Flow and Heat Transfer under Strong Buoyancy[J]. Nuclear Power Engineering, 2011, 32(1): 63-69.
Citation: ZHANG Hao, XIE Zhengrui, YANG Yanhua. Study on Turbulence Model of Supercritical Fluids Flow and Heat Transfer under Strong Buoyancy[J]. Nuclear Power Engineering, 2011, 32(1): 63-69.

Study on Turbulence Model of Supercritical Fluids Flow and Heat Transfer under Strong Buoyancy

  • Received Date: 2009-10-12
    Available Online: 2025-03-08
  • The buoyancy term of turbulence model is studied,and modification of the buoyancy model has been carried out.After that,several cases of supercritical flows with heat transfer are calculated and the results are compared with DNS and experiment data in the open literatures.The results show that the modified model can predict the buoyancy term correctly,and thus the calculated wall temperature agrees well with the experimental data and DNS data.In contrast,the wall temperature obtained by the traditional models is much higher than the experimental and DNS data.

     

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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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