On the hydrodynamics of finite jets and the geometry of laminar counterflow premixed flames

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Abstract

The modified form of the equation of motion at eddy-dynamic and cluster-dynamic scales is solved to describe the hydrodynamics of opposed finite jets. The results suggest that one encounters and infinite cascade of self-similar, fractal, opposed jets as the stagnation point is approached at ever-smaller spatial resolutions. Also, an analytical expression giving possible geometry of laminar premixed flames stabilized in opposed finite jets and propagating under Huygens principal is presented. The predicted flame geometries are found to be in agreement with the prior numerical studies as well as the observations of symmetric lean methane premixed flames at low stretch rates reported in the literature. Key-Words:- Counterflow finite jets, stagnation flow, premixed flame geometry, Huygens principle.
Original languageEnglish
Title of host publicationProceedings of the 5th IASME/WSEAS International Conference on Heat Transfer, Thermal Engineering and Environment
EditorsSiavash H. Sohrab, Haris J. Catrakis, Nikolai Kobasko, Sarka Necasova
StatePublished - 2007
EventThe 5th IASME/WSEAS International Conference on Heat Transfer, Thermal Engineering and Environment - Athens, Greece
Duration: Aug 1 2007 → …

Conference

ConferenceThe 5th IASME/WSEAS International Conference on Heat Transfer, Thermal Engineering and Environment
Period8/1/07 → …

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