3114 異なる希薄予混合気濃度における局所乱流火炎構造の時系列解析(S46-1 着火と燃焼の基礎,S46 着火と燃焼)

概要

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Local structures of unequal turbulent flames formed in an opposite flow have been studied experimentally for fundamental studies of the stratified combustion. Three different gas conditions, non-reacting flow, ultra lean and lean premixed reacting flow, are impinged on each other and triple boundaries which are upper and lower boundaries (UB and LB) and impinging surface (IS) are formed in the control volume. The visualized triple boundaries are taken by a laser tomography technique with a high speed camera. Time series movement, probability density function, auto correlation and cross correlation are discussed. UB, LB and IS characteristics are strongly influenced by reactive flow conditions.
一般社団法人日本機械学会の論文
2005-09-18