Analysis of combustion-driven acoustics

L. Boshoff-Mostert; H. J. Viljoen

doi:10.1016/S0009-2509(98)00015-3

Analysis of combustion-driven acoustics

L. Boshoff-Mostert, H. J. Viljoen

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Combustion-driven acoustic oscillations are investigated by performing a one-dimensional stability analysis of a burner-stabilized premixed flame. In contrast to other investigators, no initial acoustic wave is assumed in the analysis; the downstream acoustic field results from flame instability. Two models are considered: the thermodiffusive model (uncoupled model) and the fully coupled thermodiffusive-hydrodynamic model. The fully coupled problem exhibits instability at a much lower critical Lewis number than the uncoupled problem.

Original language	English (US)
Pages (from-to)	1679-1687
Number of pages	9
Journal	Chemical Engineering Science
Volume	53
Issue number	9
DOIs	https://doi.org/10.1016/S0009-2509(98)00015-3
State	Published - May 1 1998

Keywords

Acoustic
Combustion
Stability analysis

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering

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10.1016/S0009-2509(98)00015-3

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title = "Analysis of combustion-driven acoustics",

abstract = "Combustion-driven acoustic oscillations are investigated by performing a one-dimensional stability analysis of a burner-stabilized premixed flame. In contrast to other investigators, no initial acoustic wave is assumed in the analysis; the downstream acoustic field results from flame instability. Two models are considered: the thermodiffusive model (uncoupled model) and the fully coupled thermodiffusive-hydrodynamic model. The fully coupled problem exhibits instability at a much lower critical Lewis number than the uncoupled problem.",

keywords = "Acoustic, Combustion, Stability analysis",

author = "L. Boshoff-Mostert and Viljoen, {H. J.}",

note = "Funding Information: The authors gratefully acknowledge the financial support of the National Science Foundation through grant CTS-9308813 and OSR-95-952250 as well as the Center for Materials Research and Analysis at the University of Nebraska-Lincoln. ",

year = "1998",

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doi = "10.1016/S0009-2509(98)00015-3",

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T1 - Analysis of combustion-driven acoustics

AU - Boshoff-Mostert, L.

AU - Viljoen, H. J.

N1 - Funding Information: The authors gratefully acknowledge the financial support of the National Science Foundation through grant CTS-9308813 and OSR-95-952250 as well as the Center for Materials Research and Analysis at the University of Nebraska-Lincoln.

PY - 1998/5/1

Y1 - 1998/5/1

N2 - Combustion-driven acoustic oscillations are investigated by performing a one-dimensional stability analysis of a burner-stabilized premixed flame. In contrast to other investigators, no initial acoustic wave is assumed in the analysis; the downstream acoustic field results from flame instability. Two models are considered: the thermodiffusive model (uncoupled model) and the fully coupled thermodiffusive-hydrodynamic model. The fully coupled problem exhibits instability at a much lower critical Lewis number than the uncoupled problem.

AB - Combustion-driven acoustic oscillations are investigated by performing a one-dimensional stability analysis of a burner-stabilized premixed flame. In contrast to other investigators, no initial acoustic wave is assumed in the analysis; the downstream acoustic field results from flame instability. Two models are considered: the thermodiffusive model (uncoupled model) and the fully coupled thermodiffusive-hydrodynamic model. The fully coupled problem exhibits instability at a much lower critical Lewis number than the uncoupled problem.

KW - Acoustic

KW - Combustion

KW - Stability analysis

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VL - 53

SP - 1679

EP - 1687

JO - Chemical Engineering Science

JF - Chemical Engineering Science

IS - 9

ER -

Analysis of combustion-driven acoustics

Abstract

Keywords

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