Wed, Nov 15, 2017 @ 03:30 PM - 04:30 PM
Aerospace and Mechanical Engineering
Conferences, Lectures, & Seminars
Speaker: Tim Lieuwen, Professor, Georgia Institute of Technology
Talk Title: Unsteady Combustion Problems in Modern Energy and Propulsion Systems
Abstract: The operational limits of modern power generation and propulsion devices are strongly influenced by the combustor. For example, combustion instabilities have emerged as one of the leading challenges associated with low emissions combustion technologies. More fundamentally, the combustion instability problem involves the nonlinear interactions of harmonic flow disturbances with flames in a highly turbulent flow. This talk will describe the key processes controlling the flame response - flame anchoring, excitation of wrinkles by flow oscillations, tangential convection of wrinkles upon the flame, and kinematic restoration.
Biography: Tim Lieuwen is a professor and the David S. Lewis, Jr. Chair at Georgia Institute of Technology, and the Executive Director of the Strategic Energy Institute. He has a Ph.D. in mechanical engineering and is a licensed professional engineer in the state of Georgia. He leads a diverse research group investigating a range of problems associated with clean power, energy, and combustion, including such issues as emissions, efficiency, and alternative fuels. Prof. Lieuwen has edited/written four books, written 7 book chapters and over 300 papers, and received 5 patents.
Host: Department of Aerospace and Mechanical Engineering
Location: Seaver Science Library (SSL) - 150
Audiences: Everyone Is Invited
Contact: Ashleen Knutsen