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Numerical simulation of flow around square cylinder using different low-Reynolds number turbulence models

  • Ling Zhang (张 泠)Email author
  • Jun-li Zhou (周军莉)
  • Xiao-chun Chen (陈晓春)
  • Li Lan (兰 丽)
  • Nan Zhang (张 楠)
Article

Abstract

ABE-KONDOH-NAGANO, ABID, YANG-SHIH and LAUNDER-SHARMA low-Reynolds number turbulence models were applied to simulating unsteady turbulence flow around a square cylinder in different phases flow field and time-averaged unsteady flow field. Meanwhile, drag and lift coefficients of the four different low-Reynolds number turbulence models were analyzed. The simulated results of YANG-SHIH model are close to the large eddy simulation results and experimental results, and they are significantly better than those of ABE-KONDOH-NAGANO, ABID and LAUNDER-SHARMR models. The modification of the generation of turbulence kinetic energy is the key factor to a successful simulation for YANG-SHIH model, while the correction of the turbulence near the wall has minor influence on the simulation results. For ABE-KONDOH-NAGANO, ABID and LAUNDER-SHARMA models satisfactory simulation results cannot be obtained due to lack of the modification of the generation of turbulence kinetic energy. With the joint force of wall function and the turbulence models with the adoption of corrected swirl stream, flow around a square cylinder can be fully simulated with less grids by the near-wall.

Key words

low-Reynolds number turbulence model flow around square cylinder numerical simulation 

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Copyright information

© Central South University Press and Springer-Verlag GmbH 2008

Authors and Affiliations

  • Ling Zhang (张 泠)
    • 1
    Email author
  • Jun-li Zhou (周军莉)
    • 1
  • Xiao-chun Chen (陈晓春)
    • 2
  • Li Lan (兰 丽)
    • 3
  • Nan Zhang (张 楠)
    • 4
  1. 1.College of Civil EngineeringHunan UniversityChangshaChina
  2. 2.Building Energy Conservation and New Energy Sources Engineering CenterChina Architecture Design and Research GroupBeijingChina
  3. 3.Institute of Refrigeration and CryogenicsShanghai Jiaotong UniversityShanghaiChina
  4. 4.School of Civil and Architectural EngineeringCentral South UniversityChangshaChina

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