Swirl Flows

SWIRL FLOWS......Page 1
ENERGY AND ENGINEERING SCIENCE SERIES......Page 2
Title page......Page 3
Copyright page......Page 4
CONTENTS......Page 5
PREFACE......Page 7
NOMENCLATURE......Page 10
CHAPTER 1 INTRODUCTION......Page 15
1.1 Swirl Flow Characterization......Page 15
1.2 Generation of Swirl Flows......Page 20
1.3 Basic Effects of Swirl......Page 24
1.4 Theoretical Techniques......Page 30
1.5 Experimental Techniques......Page 43
1.6 Swirl Flows in Practice......Page 63
1.7 Reciprocating Engines......Page 64
1.8 Gas Turbine Engines......Page 68
1.9 Furnaces, Burners and Cyclones......Page 72
CHAPTER 2 SWIRL STABILIZED FLAMES......Page 85
2.1 Flame Stabilization......Page 85
2.2 Flame Stabilization in Premixed Flames......Page 91
2.3 Turbulence Energy Spectrum......Page 95
2.4 Effect of Turbulence on Flame Speed and Combustion......Page 98
2.5 Stirred Reactor Theory of Combustors......Page 103
2.6 Flame Stabilization by Bluff Bodies......Page 109
2.7 Flame Stabilization by Swirl......Page 117
2.8 Flame Stabilization in Gas Turbine Engines......Page 122
CHAPTER 3 LOW SWIRL PHENOMENA......Page 133
3.1 Swirling Jets......Page 133
3.2 Swirling Flames......Page 142
3.3 Vortex Effect and Fire Whirls......Page 149
3.4 Turbulence Characteristics in Swirl Flows......Page 156
3.5 Weakly Swirling Flow Prediction......Page 169
CHAPTER 4 HIGH SWIRL PHENOMENA......Page 181
4.1 Basic Phenomena......Page 181
4.2 Recirculation Zones......Page 186
4.3 Stability, Vortex Breakdown and the Precessing Vortex Core......Page 201
4.4 Combustion Effects......Page 232
4.5 Industrial Swirl Burner/Combustor Combinations and Fuel Type Effects......Page 254
4.6 Strongly Swirling Jet Prediction......Page 267
4.7 Strongly Swirling Flame Prediction......Page 281
4.8 Applications to Swirl Burner Design......Page 302
CHAPTER 5 CYCLONE SEPARATORS AND COMBUSTORS......Page 309
5.1 General Concepts......Page 309
5.2 Cyclone Separators......Page 313
5.3 Cylone Combustion Chambers......Page 328
5.4 Cyclone chambers, Combustors, Vortex Breakdown and the Precessing Vortex Core......Page 348
5.5 Prediction of Cyclone Chamber Flowfields......Page 352
5.6 The Gaseous Fission Rocket......Page 364
5.7 The Ranque-Hilsch Tube......Page 366
5.8 Tangential Fired Furnaces......Page 373
5.9 Incineration of Hazardous Wastes......Page 379
CHAPTER 6 SWIRL FLOWS IN PRACTICAL COMBUSTION SYSTEMS......Page 391
6.1 Industrial Flames......Page 391
6.2 Gas Turbine Combustors......Page 407
6.3 Internal Combustion Engines......Page 431
6.4 Combustion Noise Emission and Reduction from Flames......Page 451
6.5 Combustion Instability and Associated Noise......Page 475
INDEX......Page 487