A Computational Study of Transverse Combustion Instability Mechanisms
Abstract
Computational fluid dynamics simulations are used to study spontaneous combustion instabilities in a rectangular chamber that contains seven coaxial injector elements. The simulation predicts self-excited transverse oscillations that have variable amplitudes, similar to what is seen in a companion experiment. Several processes are identified in the simulation that may promote the rise of instability by increased heat release during a local compression, including the interaction between vortices shed from adjacent injectors and interactions between flames and the combustor walls.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 2014
- Accession Number
- ADA615844
Entities
People
- Kevin J. Shipley
- Matthew E. Harvazinski
- Venkateswaran Sankaran
- William E Anderson
Organizations
- Air Force Research Laboratory