On self-drifting flame balls

L. Kagan; S. Minaev; G. Sivashinsky

doi:10.1016/j.matcom.2004.01.013

On self-drifting flame balls

L. Kagan^*
, S. Minaev
, G. Sivashinsky

^*Corresponding author for this work

School of Mathematical Sciences

RAS - Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch

Research output: Contribution to journal › Conference article › peer-review

15 Scopus citations

Abstract

A three-dimensional (3D) reaction-diffusion model for premixed flames with radiative heat losses is studied numerically. In accordance with previous analytical predictions and two-dimensional (2D) numerical simulations, it is shown that cellular flames occurring in low Lewis number premixtures can propagate at heat-loss rates greater than the maximum that extinguishes the planar flame. At sufficiently high heat losses, the flame interface breaks up into separate self-drifting flame balls while a significant portion of the fuel remains unconsumed.

Original language	English
Pages (from-to)	511-520
Number of pages	10
Journal	Mathematics and Computers in Simulation
Volume	65
Issue number	4-5
DOIs	https://doi.org/10.1016/j.matcom.2004.01.013
State	Published - 11 May 2004
Event	Wave Phenomena in Physisc and Engineering: New Models - Montreal, Canada Duration: 1 May 2003 → 1 May 2003

Funding

Funders	Funder number
German–Israeli Foundation	695-15.10.01
United States-Israel Binational Science Foundation	2002008
Israel Science Foundation	RTN-HPRN-CT-2002-00274, 574-00, 67-01

Keywords

Flame balls
Heat losses
Premixed cellular flames

Access to Document

10.1016/j.matcom.2004.01.013

Cite this

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title = "On self-drifting flame balls",

abstract = "A three-dimensional (3D) reaction-diffusion model for premixed flames with radiative heat losses is studied numerically. In accordance with previous analytical predictions and two-dimensional (2D) numerical simulations, it is shown that cellular flames occurring in low Lewis number premixtures can propagate at heat-loss rates greater than the maximum that extinguishes the planar flame. At sufficiently high heat losses, the flame interface breaks up into separate self-drifting flame balls while a significant portion of the fuel remains unconsumed.",

keywords = "Flame balls, Heat losses, Premixed cellular flames",

author = "L. Kagan and S. Minaev and G. Sivashinsky",

note = "Funding Information: The authors thank Prof. H. Bockhorn and Dr. W. Gerlinger for helpful correspondence. This research was partially supported by the German–Israeli Foundation under Grant No. 695-15.10.01, the United States–Israel Binational Science Foundation under Grant No. 2002008, the Israel Science Foundation under Grant Nos. 67-01 and 574-00, and the European Community Program RTN-HPRN-CT-2002-00274. The computations were performed at the Israel Inter-University Computer Center. ; Wave Phenomena in Physisc and Engineering: New Models ; Conference date: 01-05-2003 Through 01-05-2003",

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AU - Minaev, S.

AU - Sivashinsky, G.

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PY - 2004/5/11

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N2 - A three-dimensional (3D) reaction-diffusion model for premixed flames with radiative heat losses is studied numerically. In accordance with previous analytical predictions and two-dimensional (2D) numerical simulations, it is shown that cellular flames occurring in low Lewis number premixtures can propagate at heat-loss rates greater than the maximum that extinguishes the planar flame. At sufficiently high heat losses, the flame interface breaks up into separate self-drifting flame balls while a significant portion of the fuel remains unconsumed.

AB - A three-dimensional (3D) reaction-diffusion model for premixed flames with radiative heat losses is studied numerically. In accordance with previous analytical predictions and two-dimensional (2D) numerical simulations, it is shown that cellular flames occurring in low Lewis number premixtures can propagate at heat-loss rates greater than the maximum that extinguishes the planar flame. At sufficiently high heat losses, the flame interface breaks up into separate self-drifting flame balls while a significant portion of the fuel remains unconsumed.

KW - Flame balls

KW - Heat losses

KW - Premixed cellular flames

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DO - 10.1016/j.matcom.2004.01.013

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AN - SCOPUS:2342522033

SN - 0378-4754

VL - 65

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JO - Mathematics and Computers in Simulation

JF - Mathematics and Computers in Simulation

IS - 4-5

T2 - Wave Phenomena in Physisc and Engineering: New Models

Y2 - 1 May 2003 through 1 May 2003

ER -

On self-drifting flame balls

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