A Study on Swirling Turbulent Diffusion Flames : On Turbulence Intensity at Burner Port of Hydrogen Flames

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概要

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• The length of swirling turbulent diffusion flames of hydrogen, rising vertically from a cylindrical burner tube in free air, was measured by means of photography, and the turbulence intensity of the gas flow at the burner port was measured by LDV. The swirling intensity had a strong effect on the flame length, and an empirical equation was obtained as a function of the swirl number at the burner exit for the flame length in a fully developed turbulent region. The ratio of turbulence intensity and average gas exit velocity increased linearly with the swirl number at the burner exit, and the mixing length of the eddy diffusivity at the burner exit decreased exponentially with the swirl number.

• 一般社団法人日本機械学会の論文

著者

• Maki Hiroshi

  Faculty Of Engineering Tokyo Institute Of Technology.

• SUZUKI Kohoichi

  Faculty of Science and Technology, Science University of Tokyo

• TORIKAI Kinichi

  Faculty of Science and Technology, Science University of Tokyo

• Suzuki Kohoichi

  Faculty Of Science And Technology Science University Of Tokyo

• Torikai Kinichi

  Faculty Of Science And Technology Science University Of Tokyo

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• On the Theoretical Investigations of Float-Area-Type Flow Meters
• A Study on Swirling Turbulent Diffusion Flames : On Turbulence Intensity at Burner Port of Hydrogen Flames

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