Earth Sciences Division (ESD) Department of Energy (DOE) Lawrence Berkeley National Laboratory (LBNL)

Karthik Kashinath's Publications

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Journal Publications

  • “Nonlinear phenomena in thermoacoustic systems with premixed flames”, ASME Journal of Engineering for Gas Turbines and Power, June 2013, Vol. 135 (6), 061502. (doi:10.1115/1.4023305)
  • “Nonlinear thermoacoustics of ducted premixed flames: the influence of perturbation convection speed”, Combustion and Flame, December 2013, Vol. 160 (12), pp 2856--2865. (http://dx.doi.org/10.1016/j.combustflame.2013.06.019)
  • “Nonlinear self-excited thermoacoustic oscillations of a ducted premixed flame: bifurcations and routes to chaos”, Journal of Fluid Mechanics (submitted) 
  • "Matrix-free continuation of limit cycles and their bifurcations for a ducted premixed flame", Journal of Fluid Mechanics (submitted)
  • "Effects of harmonic forcing on self-excited thermoacoustic oscillations: quasi-periodicity, lock-in and chaos", Physics of Fluids (in preparation)

Refereed Conference Publications

  • “Nonlinear self-excited thermoacoustic oscillations of a ducted premixed flame: bifurcations and routes to chaos”, Int‘l Workshop on Non-Normal and Nonlinear Effects in Aero-and Thermoacoustics, Munich, Germany, June 2013.
  • “Nonlinear phenomena in thermoacoustics: a comparison between single-mode and multi-mode methods”, 19th International Congress on Sound and Vibration, Vilnius, Lithuania, 2012.
  • “Effects of nonuniform reactant stoichiometry on combustion instability”, Proceedings of ASME Turbo Expo 2011: Power for Land, Sea and Air -GT2011, Vancouver, Canada, 2011.
  • “Effects of cooling liner on acoustic energy absorption and flame response”, Proceedings of ASME Turbo Expo 2010: Power for Land, Sea and Air -GT2010, Glasgow, U.K., 2010.
  • “Investigation of the effect of combustor cooling geometry on acoustic energy absorption”,  Proceedings of the 16th AIAA/CEAS Aeroacoustics Conference, Stockholm, Sweden, 2010.
  • “Enhancement of fuel-air mixing in supersonic flow by wall-mounted opposed cavities”,  International Symposium on Air-Breathing Engines (ISABE), Munich, Germany, 2005.

Other Conference Publications

  • "Effect of harmonic forcing on nonlinear self-excited thermoacoustic oscillations of a ducted premixed flame: quasi-periodicity, lock-in, chaos and control”, European Mechanics Society Colloquium on Thermoacoustics, Lake Como, Italy, May 2013.
  • “Complex nonlinear oscillations of a ducted premixed flame: periodicity, quasi-periodicity and chaos”, 65th Annual Meeting of the APS Division of Fluid Dynamics, San Diego, California, 2012.

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