Journal of Mechanical Science and Technology

, Volume 33, Issue 6, pp 3019–3029 | Cite as

Velocity and mass diffusivity effects on the linear and nonlinear phenomena of the Burke-Schumann flame with acoustic excitation

  • Taesung Kim
  • Myunggeun Ahn
  • Daehong Lim
  • Youngbin YoonEmail author


The dynamics of the Burke-Schumann flame in terms of the Péclet number variation were investigated. The effect of the Péclet number on the flame shape and heat release perturbation in the theoretical study was experimentally confirmed. This number changed through alterations in the average velocity and fuel composition. In addition, the nonlinear effects were reported. These effects were made by different magnitude of velocity oscillation of harmonic frequencies. The effect on the 2nd harmonic frequency is larger when the 1st harmonic flame transfer function showed the lower value. Therefore, the nonlinear characteristics are shown within the range of this study. Also, the specific forcing frequency that makes a non-oscillated flame phenomenon is shown. This frequency makes the very low heat release perturbations and 2nd harmonic oscillations.


Burke-Schumann flame Flame transfer function Flame structure Nonlinear phenomena 


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This work was supported by Advanced Research Center Program (NRF-2013R1A5A1073861) through the National Research Foundation of Korea (NRF) grant funded by the Korea government(MSIP) contracted through Advanced Space Propulsion Research Center at Seoul National University.


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Copyright information

© KSME & Springer 2019

Authors and Affiliations

  • Taesung Kim
    • 1
    • 2
  • Myunggeun Ahn
    • 2
  • Daehong Lim
    • 2
  • Youngbin Yoon
    • 2
    • 3
    Email author
  1. 1.Clean Combustion Research CenterKing Abdullah University of Science and TechnologyThuwalSaudi Arabia
  2. 2.School of Mechanical and Aerospace EngineeringSeoul National UniversitySeoulKorea
  3. 3.Institute of Advanced Aerospace TechnologySeoul National UniversitySeoulKorea

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