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Single Annular Combustor Experimental investigations of Aerodynamics, Dynamics and Emissions
Table of Contents
Acknowledgment
Table of Contents
List of Figures
Nomenclature
Introduction
Chapter 1. (Literature Review)
1.1 Aerodynamics
1.1.1 Flame stabilization and Generation of CRZ
1.1.2 Swirl Cup
1.1.3 Swirl Characterization
1.1.4 Factors influencing the CRZ Size and strength
1.1.4.1 Swirl Number Effects
1.1.4.2 Confinement Effects
1.1.4.3 Reynolds Number Effects
1.1.4.4 Nozzle Insertion Effects
1.1.4.5 Combustion Effects
1.1.5 Realistic combustion chambers and effect of dilution jets
1.2 Emissions
1.2.1 Nitric Oxides (NOx)
1.2.1.1 NOx categories
1.2.1.2 Effect of pressure on NOx generation
1.2.1.3 NOx reduction techniques
1.2.2 Carbon Monoxide (CO)
1.3 Dynamics and generation of Combustion Instabilities
Chapter 2. (Dump Combustor Aerodynamic)
2.1 Experimental setup, procedure and test conditions
2.1.1 Swirl Cup and test section
2.1.2 Experimental facility
2.1.3 Diagnostics
2.1.4 Test conditions, data acquisition and measurement Grid
2.2 Results and Discussions
2.2.1 Horizontal plane (X-Y) measurements for both configurations
2.2.2 Vertical plane (X-Z) measurements for both configurations
2.2.2.1 Axial velocity and turbulent fluctuating component
2.2.2.2 Radial velocity and turbulent fluctuating component
2.2.3 Vertical plane (Y-Z) measurements for both configurations
2.2.3.1 Axial velocity and turbulent fluctuating component
2.2.3.2 Tangential velocity and turbulent fluctuating component
2.2.4 Confinement effect on the flow field
Chapter 3. (SAC Aerodynamics)
3.1 Experimental setup, procedure and test conditions
3.1.1 Swirler and SAC Combustor
3.1.2 Experimental facility
3.1.3 Diagnostics
3.1.4 Test conditions, data acquisition and measurement grid
3.2 Results and Discussions
3.2.1 Mean flow measurements at the SAC mid plane using LDV
3.2.2 Reacting flow vs. isothermal flow
3.2.3 PIV results
3.2.3.1 Effect of pressure drop on the flow structure
3.2.3.2 Instantaneous PIV at SAC mid plane at pressure drop of 4.3%
3.2.3.3 PIV off center measurements at pressure drop of 4.3%
3.2.3.4 Effect of partially blocking the primary dilution jets strip
3.2.3.5 Effect of blocking the cooling holes underneath the primary dilution jets
3.2.3.6 Effect of primary jets off centering on the flow field
3.2.3.7 Effect of primary jet size on the flow field
Chapter 4. (SAC Dynamics)
4.1 Experimental setup, procedure and test conditions
4.1.1 Swirl cup and SAC Sector
4.1.2 Diagnostics
4.1.3 Test conditions and data acquisition
4.2 Results and Discussions
Chapter 5. (SAC Air/Fuel Mixing)
5.1 Experimental setup, procedure and test conditions
5.1.1 Swirl cup and SAC Sector
5.1.2 Diagnostics
5.1.3 Test conditions, data acquisition and measurement grid
5.2 Results and Discussions
Chapter 6. (Emissions)
6.1 Experimental setup, procedure and test conditions
6.1.1 Swirl cup and SAC Sector
6.1.2 Diagnostics
6.1.3 Test conditions and data acquisition
6.2 Results and Discussions
6.2.1 Species Measurements at the center of the SAC sector exit
6.2.1.1 Propane results
6.2.1.2 Methane results
6.2.2 Species Contours at the SAC sector exit
Chapter 7. (Conclusions)
Chapter 8. (Proposed future work)
ReferencesBài viết liên quan
