B310 TIME-DEPENDENT MEZZO SCALE LAGRANGIAN PROCESS IN TUMBULENT DIFFUSION FLAMES OBSERVED USING AN ULTRAHIGH SPEED VIDEO SYSTEM(Turbulent flame-3)

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概要

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• Space- and time-resolved information, as well as macro- and microscopic visualizations, is essential for detailed study of mixing, reaction and heat transfer mechanisms in a turbulent diffusion flame. However, turbulent diffusion flame structures have been studied almost solely by time-resolved single-point measurement due to the restriction of diagnostics. The time-dependent spatial structures of turbulent diffusion flames have often been masked by the statistical analyses. In this study, time-dependent spatial mixing processes in turbulent diffusion flame are visualized by instantaneous flame luminosity and plane Mie scattering images by an ultrahigh-speed video system (Fastcam). Especially, a combined method of measurement consisting of both direct photography and a laser sheet method was used to understand the mezzo scale structure of the turbulent mixing process both spatially and chronologically. This method could be use to clarify the time-dependent spatial structure of the combustion area and the surrounding atmospheric area while quantitatively evaluating the mixing process of these two from a geometric viewpoint.

• 一般社団法人日本機械学会の論文
• 2000-10-01

著者

• Ida Tamio

  Department Of Mechanical Engineering Kinki University

• IDA Tamio

  Department of Mechanical Engineering, Kinki University

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• A Study of Physical Properties of High-Density Solid Biomass, Bio-coke, with Unutilized Biomass
• B310 TIME-DEPENDENT MEZZO SCALE LAGRANGIAN PROCESS IN TUMBULENT DIFFUSION FLAMES OBSERVED USING AN ULTRAHIGH SPEED VIDEO SYSTEM(Turbulent flame-3)

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