Large Eddy Simulation of a Free Circular Jet up to Re=100,000(Numerical Simulation)

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概要

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• In the present study, we perform large eddy simulations of a circular jet up to Re=10^5 based on the jet-exit velocity and jet diameter (D). We investigate the effect of the momentum thickness (θ) of initial shear layer because it is known to be one of the important parameters governing the jet characteristics. Four different initial momentum thicknesses, i.e. D/θ=50, 80, 120 and 180, are considered, and background disturbances are imposed on the jet-exit velocity to provide a more realistic inflow condition. The results show that the vortical structures significantly change with the Reynolds number and initial momentum thickness.

• 一般社団法人日本機械学会の論文
• 2005-10-05

著者

• Choi Haecheon

  Center For Turbulence And Flow Control Research Institute Of Advanced Machinery And Design Seoul Nat

• Kim Jungwoo

  Center for Turbulence and Flow Control Research, Institute of Advanced Machinery and Design, Seoul National University

• Kim Jungwoo

  Center For Turbulence And Flow Control Research Institute Of Advanced Machinery And Design Seoul National University

関連論文

• Large Eddy Simulation of a Free Circular Jet up to Re=100,000(Numerical Simulation)

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