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Record 46 of 585
The premixed flame in uniform straining flow
Author and Affiliation:
Durbin, P. A.(NASA Lewis Research Center, Cleveland, OH, United States)
Abstract: Characteristics of the premixed flame in uniform straining flow are investigated by the technique of activation-energy asymptotics. An inverse method is used, which avoids some of the restrictions of previous analyses. It is shown that this method recovers known results for adiabatic flames. New results for flames with heat loss are obtained, and it is shown that, in the presence of finite heat loss, straining can extinguish flames. A stability analysis shows that straining can suppress the cellular instability of flames with Lewis number less than unity. Strain can produce instability of flames with Lewis number greater than unity. A comparison shows quite good agreement between theoretical deductions and experimental observations of Ishizuka, Miyasaka & Law (1981).
Publication Date: Aug 01, 1982
Document ID:
19820059659
(Acquired Nov 30, 1995)
Accession Number: 82A43194
Subject Category: INORGANIC AND PHYSICAL CHEMISTRY
Document Type: Journal Article
Publication Information: Journal of Fluid Mechanics; 121; Aug. 198
Publisher Information: United Kingdom
Financial Sponsor: NASA; United States
Organization Source: NASA Lewis Research Center; Cleveland, OH, United States
Description: 21p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: COMBUSTIBLE FLOW; FLAME STABILITY; PREMIXED FLAMES; ACTIVATION ENERGY; ADIABATIC FLOW; EXTINGUISHING; STRAIN RATE
Imprint And Other Notes: Journal of Fluid Mechanics, vol. 121, Aug. 1982, p. 141-161.
Miscellaneous Notes: p. 141-161
Availability Source: Other Sources
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