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An integral approach to modeling sound propagation through a finite combustion zone
Published in American Institute of Aeronautics and Astronautics Inc.
2006
Volume: 9
   
Pages: 6570 - 6580
Abstract
An integral approach has been developed to model propagation of sound through the combustion zone for practical combustors based on the Green's function technique. Sample calculations done for typical gas turbine combustors indicate that models based on jump conditions across the flame can be quite inaccurate in predicting the acoustic mode shapes (pressure and velocity). There appears to be a strong dependency on the mean temperature profile inside the combustion zone on the final mode shapes of the acoustic quantities. The technique presented herein can be readily adapted to different models for heat release and various temperature profiles.
About the journal
JournalData powered by TypesetCollection of Technical Papers - 44th AIAA Aerospace Sciences Meeting
PublisherData powered by TypesetAmerican Institute of Aeronautics and Astronautics Inc.
ISSN0001-1452
Impact Factor1.868
Open AccessNo
Citation Styleunsrt
Sherpa RoMEO Archiving PolicyGreen
Concepts (9)
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    FINITE COMBUSTION ZONE
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    GAS TURBINE COMBUSTORS
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    Acoustic wave propagation
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    Combustors
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    Gas turbines
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    Green's function
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    Integral equations
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    Mathematical models
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    Combustion