New Perspectives in Combustion Dynamics and Control
Professor Sebastien Candel, at Ecole Centrale Paris since 1978, where he now heads Mechanical and Aerospace Engineering and leads the combustion group of the EM2C laboratory (CNRS). He is a professor at Institut Universitaire de France since 2001 and holds the chair of Combustion and Propulsion. Lecture followed by "Conversations with Dr. Marble" After a brief review of central isues in combustion, this lecture proposes a synthesis of recent advances including: (1) Investigations of perturbed flame dynamics, (2) Studies of swirling flames responses to upstream disturbances, (3) Application of describing function methods to the analysis of nonlinear features like limit cycle oscillations, triggering, frequency shifting and mode switching. Advances in computational flame dynamics will be illustrated by calculations of perturbed flames and of selfsustained oscillations in various configurations. New concepts for the dynamical control of instabilities will be exposed.
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