Structure of the Mean Velocity and Turbulence in Premixed Axisymmetric Acetylene Flames

[+] Author and Article Information
M. Matovic, S. Oka

Institute for Thermal Engineering and Energy Research, Beograd, Yugoslavia

F. Durst

Lehrstuhl für Strömungsmechanik, Universität Erlangen-Nürnberg, Erlangen, Germany

J. Fluids Eng 116(3), 631-642 (Sep 01, 1994) (12 pages) doi:10.1115/1.2910324 History: Received April 14, 1992; Revised March 31, 1993; Online May 23, 2008


Laser-Doppler measurements of axial mean velocities and the corresponding rms values of turbulent velocity fluctuations are reported for premixed, axisymmetric, acetylene flames together with the probability density distributions of the turbulent velocity fluctuations. All this information provides an insight into the structure of the flow field. Characteristic zones of the flow field are defined that show common features for all acetylene flames studied by the authors. These features are discussed in the paper and are suggested to characterize, in general, interesting parts of the flames.

Copyright © 1994 by The American Society of Mechanical Engineers
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