Chapter 1: Introduction
1.1 Introduction
1.2 Global warming issue
1.3 Status of renewables
1.4 Carbon capture technologies
1.5 Adaptation of gas turbines to regulations of pollutant emissions
1.6 Emission regulatory overview
1.6.1 Clean air act (CAA)
1.6.2 New source performance standards (NSPS)
1.6.3 New source review
1.6.4 Best available control technology (BACT)
1.6.5 Lowest achievable emission rate (LAER)
1.7 Clean power production for gas turbine applications
1.8 Concluding remarks
Chapter 2: Premixed combustion for gas turbine applications
2.1 Introduction
2.2 Combustor Operability Issues
2.2.1 Static instabilities
2.2.1.1 Blowout
2.2.1.2 Flashback
2.2.2 Dynamic instabilities
2.2.2.1 Thermo-acoustics
2.2.2.2 Dynamic Instability suppression methods
2.3 Approaches for efficient combustion
2.3.1 Fuel flexibility Approach
2.3.1.1 Oxy-fuel combustion approach
2.3.1.1.1 Oxy-combustion degrees of freedom
2.3.1.1.2 Effect of oxy-combustion on stability map
2.3.1.1.3 Effect of oxy-combustion on NO emissions
2.3.1.2 Hydrogen-enrichment approach
2.3.1.2.1 Effect of hydrogen enrichment on stability map
2.3.1.2.2 Effect of hydrogen on laminar burning velocity
2.3.1.2.3 Effect of Hydrogen on NOx and CO emissions
2.3.2 Variable operating conditions approach
2.3.3 Variable flame characteristics
2.3.3.1 Diffusion flame
2.3.3.2 Premixed flames
2.4 Swirl Stabilizer Approach for stability and emission enhancement
2.4.1 Stabilization mechanisms and swirl number
2.4.2 Effect of swirl number on flame stability
2.4.3 Effect of swirl on NOx and CO emissions
2.5 Numerical modeling of premixed combustion
2.5.1 Turbulent premixed combustion
2.5.2 Turbul
