An experimental study of turbulence intensities and non-uniformities in the exit flow from a porous combustor

An experimental study of turbulence intensities and non-uniformities in the exit flow from a... In this study, experiments were performed on a two-section porous burner operated on propane and air. The burner consisted of an upstream section of reticulated yttria stabilized zirconia with 23.6 pores per centimeter (ppc) followed by a downstream section of 3.9 ppc, composed of the same material. The velocity and turbulence intensity of the exit flow for reacting and non-reacting conditions were measured. The velocity profiles for both reacting and non-reacting flow were very non-uniform. The turbulence intensity for the reacting flow increased with distance due to turbulence created by the non-uniformities. Blow-off occurred first on one side of the burner, but otherwise the flame in this burner was stable. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

An experimental study of turbulence intensities and non-uniformities in the exit flow from a porous combustor

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Publisher
Springer-Verlag
Copyright
Copyright © 2005 by Springer-Verlag
Subject
Engineering; Engineering Fluid Dynamics; Fluid- and Aerodynamics; Engineering Thermodynamics, Heat and Mass Transfer
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s00348-004-0874-3
Publisher site
See Article on Publisher Site

Abstract

In this study, experiments were performed on a two-section porous burner operated on propane and air. The burner consisted of an upstream section of reticulated yttria stabilized zirconia with 23.6 pores per centimeter (ppc) followed by a downstream section of 3.9 ppc, composed of the same material. The velocity and turbulence intensity of the exit flow for reacting and non-reacting conditions were measured. The velocity profiles for both reacting and non-reacting flow were very non-uniform. The turbulence intensity for the reacting flow increased with distance due to turbulence created by the non-uniformities. Blow-off occurred first on one side of the burner, but otherwise the flame in this burner was stable.

Journal

Experiments in FluidsSpringer Journals

Published: Apr 13, 2005

References

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