ASYMMETRY OF FLOW AT HIGH ANGLE OF ATTACK(Compressible Flow)

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概要

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• Symmetric and Asymmetric vortices were captured on the leeside of a conical shape forebody at high angle of attack, without perturbing the flow by sideslip angle or geometric perturbation. On the basis of RANS, two different Turbulence models have been analysed to access their ability to predict the onset of flow separation and the quantity of flow separation. Extensive simulations and analysis have given into the behavior of the flow field and the onset of vortex asymmetry. Silent features of the flow at high angle of attack were highlighted. Co-efficient of pressure plot obtained by using SST k-ω model exhibit adequate agreement with experimental data. It was concluded that asymmetry in flow in numerical simulation is basically due to truncation error which is random in nature and there is a need to predict the asymmetry of flow and unsteadiness by using the latest approach in CFD i.e. DBS.

• 一般社団法人日本機械学会の論文
• 2005-10-05

著者

• Qin Ning

  Department Of Mechanical Engineering University Of Sheffield

• Umar Farooq

  National Center Of Physics Quaid-i-azam University

関連論文

• ASYMMETRY OF FLOW AT HIGH ANGLE OF ATTACK(Compressible Flow)

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