An Overview Of Active Control Of Combustion Instabilities
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Combustion Instabilities in Gas Turbine Engines
Author | : Timothy C. Lieuwen |
Publisher | : AIAA (American Institute of Aeronautics & Astronautics) |
Total Pages | : 688 |
Release | : 2005 |
Genre | : Science |
ISBN | : |
This book offers gas turbine users and manufacturers a valuable resource to help them sort through issues associated with combustion instabilities. In the last ten years, substantial efforts have been made in the industrial, governmental, and academic communities to understand the unique issues associated with combustion instabilities in low-emission gas turbines. The objective of this book is to compile these results into a series of chapters that address the various facets of the problem. The Case Studies section speaks to specific manufacturer and user experiences with combustion instabilities in the development stage and in fielded turbine engines. The book then goes on to examine The Fundamental Mechanisms, The Combustor Modeling, and Control Approaches.
Active Control of Combustion Instabilities in Gas Turbine Engines for Low Emissions. Part I: Physics-Based and Experimentally Identified Models of Combustion Instability
Author | : C. A. Jacobson |
Publisher | : |
Total Pages | : 12 |
Release | : 2000 |
Genre | : |
ISBN | : |
This paper details the development of a thermoacoustic model and associated dynamic analysis. The model describes the results obtained in a gas fueled experimental combustion program carried out at UTRC. The contents of the paper are (a) the development of a thermoacoustic model composed of acoustic and heat release components, (b) the dynamic analysis of the resulting non-linear model using harmonic balance methods to compute linear stability boundaries and the amplitudes of oscillations and (c) the calibration of the model to experimental data.