Investigation on Impinging Jet Flames : Region and Mechanism of their stabilization

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概要

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• Impinging jet flames are obtained on the surface of an object attached by impinging of fuel gas and air mixture to it. The flames have a ring shape and wide stabilizing regions. Experiments were carried out to determine the stabilizing limit of the flames for various shape objects such as flat plate, concave and circular cone. Highest blow-out velocity of the flame is obtained when H/D ≑ l for position of the burner tube against the object, where H is the distance between the object and the burner tube exit and D is the diameter of the burner tube. Blow-out velocity of the flames become higher with an increasing fuel concentration of the jetted gas mixture. Stabilizing limits of the flame are widened with a decreasing concave radius of the object; but for a smaller radius of concave beyond a certain value, the flame is stabilized by another mechanism due to a recirculating flow around the burner tube.

• 一般社団法人日本機械学会の論文

著者

• Saima Atsushi

  College Of Science And Technology Nihon University

• Saima Atsushi

  College Of Science & Technology Nihon University

• HIGAKI Morimasa

  Ashikaga Institute of Technology

• SAIMA Atsushi

  College of Science and Technology, Nihon University

関連論文

• A study of the influence of intermediate combustion products on knocking
• Investigation on Impinging Jet Flames : Region and Mechanism of their stabilization
• Turbulent Mixing of Gases with Different Densities
• Eddy Diffusions of a Fuel Gas from a Cylindrical Fuel Burner
• Two-Dimensional Diffusion Flame Burner with a Mixing-Roll
• An Investigation of Impinging Jet : Experiments by Air, Hot Air and Carbondioxide

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