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Self-organized Spiral and Circular Waves in Premixed Gas FlamesA diffusive-thermal high Lewis number (Le) gas-phase oscillator has been observed in premixed flames using a lean mixture of butane and oxygen diluted with helium (Le approx. 3.0). This reactive-diffusive system exhibits both propagating radial pulsations and rotating spiral waves perhaps,analogous to those observed in other excitable media such as the Belousov-Zhabotinsky reaction.
Document ID
19970003447
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Pealman, Howard G.
(NASA Lewis Research Center Cleveland, OH United States)
Ronney, Paul D.
(University of Southern California Los Angeles, CA United States)
Date Acquired
August 17, 2013
Publication Date
August 1, 1994
Publication Information
Publication: Journal of Chemical Physics
Volume: 101
Issue: 3
ISSN: 0021-9606
Subject Category
Inorganic And Physical Chemistry
Report/Patent Number
NASA-TM-111761
NAS 1.15:111761
E-9553
Accession Number
97N70208
Funding Number(s)
PROJECT: RTOP 656-61-23
Distribution Limits
Public
Copyright
Public Use Permitted.
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