STUDY ON DIFFUSION OF BUOYANT ROUND JETS(Jet and Plume)

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概要

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• This experimental study aims at investigating the influence of the buoyancy with density difference upon the turbulent diffusion of gas jets. Carbon dioxide, helium and air are separately discharged upward from a perpendicular convergent round nozzle into still air. The velocity and concentration measurements are carried out in order to investigate the diffusion structure of the buoyant jet. The influence of the exit Froude number on the non-dimensional length from the nozzle exit to the end of the fully developed region is examined. The velocity and concentration fluctuation are analyzed in detail for understanding the local character of the jet diffusion. The probability density functions of the velocity and the concentration fluctuations are determined over the whole region of the jet.

• 一般社団法人日本機械学会の論文
• 2005-10-05

著者

• Kimura Motoaki

  College Of Science & Technology Nihon University

• Miyagi Norimasa

  College of Science & Technology, Nihon University

• Miyagi Norimasa

  College Of Science & Technology Nihon University

関連論文

• STUDY ON DIFFUSION OF BUOYANT ROUND JETS(Jet and Plume)

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