Aerothermodynamics of Turbomachinery: Analysis and DesignISBN: 978-0-470-82500-6
Hardcover
448 pages
June 2010
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Preface xvii
Acknowledgments xix
Nomenclature xxi
1 Introduction 1
1.1 Introduction to the Study of the Aerothermodynamics of Turbomachinery 1
1.2 Brief Description of the Development of the Numerical Study of the Aerothermodynamics of Turbomachinery 2
1.3 Summary 6
2 Governing Equations Expressed in Non-Orthogonal Curvilinear Coordinates to Calculate 3D Viscous Fluid Flow in Turbomachinery 9
2.1 Introduction 9
2.2 Aerothermodynamics Governing Equations (Navier–Stokes Equations) of Turbomachinery 10
2.3 Viscous and Heat Transfer Terms of Equations 11
2.4 Examples of Simplification of Viscous and Heat Transfer Terms 15
2.5 Tensor Form of Governing Equations 20
2.6 Integral Form of Governing Equations 21
2.7 A Collection of the Basic Relationships for Non-Orthogonal Coordinates 22
2.8 Summary 24
3 Introduction to Boundary Layer Theory 25
3.1 Introduction 25
3.2 General Concepts of the Boundary Layer 25
3.3 Summary 35
4 Numerical Solutions of Boundary Layer Differential Equations 37
4.1 Introduction 37
4.2 Boundary Layer Equations Expressed in Partial Differential Form 37
4.3 Numerical Solution of the Boundary Layer Differential Equations for a Cascade on the Stream Surface of Revolution 41
4.4 Calculation Results and Validations 45
4.5 Application to Analysis of the Performance of Turbomachinery Blade Cascades 49
4.6 Summary 57
5 Approximate Calculations Using Integral Boundary Layer Equations 59
5.1 Introduction 59
5.2 Integral Boundary Layer Equations 59
5.3 Generalized Method for Approximate Calculation of the Boundary Layer Momentum Thickness 64
5.4 Laminar Boundary Layer Momentum Integral Equation 66
5.5 Transitional Boundary Layer Momentum Integral Equation 68
5.6 Turbulent Boundary Layer Momentum Integral Equation 70
5.7 Calculation of a Compressible Boundary Layer 81
5.8 Summary 84
6 Application of Boundary Layer Techniques to Turbomachinery 87
6.1 Introduction 87
6.2 Flow Rate Coefficient and Loss Coefficient of Two-Dimensional Blade Cascades 87
6.3 Studies on the Velocity Distributions Along Blade Surfaces and Correlation Analysis of the Aerodynamic Characteristics of Plane Blade Cascades 92
6.4 Summary 101
7 Stream Function Methods for Two- and Three-Dimensional Flow Computations in Turbomachinery 103
7.1 Introduction 103
7.2 Three-Dimensional Flow Solution Methods with Two Kinds of Stream Surfaces 104
7.3 Two- Stream Function Method for Three-Dimensional Flow Solution 106
7.4 Stream Function Methods for Two-Dimensional Viscous Fluid Flow Computations 118
7.5 Stream Function Method for Numerical Solution of Transonic Blade Cascade Flow on the Stream Surface of Revolution 127
7.6 Finite Analytic Numerical Solution Method (FASM) for Solving the Stream Function Equation of Blade Cascade Flow 131
7.7 Summary 140
8 Pressure Correction Method for Two-Dimensional and Three-Dimensional Flow Computations in Turbomachinery 145
8.1 Introduction 145
8.2 Governing Equations of Three-Dimensional Turbulent Flow and the Pressure Correction Solution Method 146
8.3 Two-Dimensional Turbulent Flow Calculation Examples 157
8.4 Three-Dimensional Turbulent Flow Calculation Examples 169
8.5 Summary 198
9 Time-Marching Method for Two-Dimensional and Three-Dimensional Flow Computations in Turbomachinery 199
9.1 Introduction 199
9.2 Governing Equations of Three-Dimensional Viscous Flow in Turbomachinery 201
9.3 Solution Method Based on Multi-Stage Runge-Kutta Time-Marching Scheme 205
9.4 Two-Dimensional Turbulent Flow Examples Calculated by the Multi-Stage Runge–Kutta Time-Marching Method 216
9.5 Three-Dimensional Flow Examples Calculated by the Multi-Stage Runge–Kutta Time-Marching Method 226
9.6 Summary 249
10 Numerical Study on the Aerodynamic Design of Circumferentialand Axial-Leaned and Bowed Turbine Blades 251
10.1 Introduction 251
10.2 Circumferential Blade-Bowing Study 252
10.3 Axial Blade-Bowing Study 266
10.4 Circumferential Blade-Bowing Study of Turbine Nozzle Blade Row with Low Span-Diameter Ratio 277
10.5 Summary 286
11 Numerical Study on Three-Dimensional Flow Aerodynamics and Secondary Vortex Motions in Turbomachinery 287
11.1 Introduction 287
11.2 Post-Processing Algorithms 288
11.3 Axial Turbine Secondary Vortices 289
11.4 Some Features of Straight-Leaned Blade Aerodynamics of a Turbine Nozzle with Low Span-Diameter Ratio 310
11.5 Numerical Study on the Three-Dimensional Flow Pattern and Vortex Motions in a Centrifugal Compressor Impeller 317
11.6 Summary 326
12 Two-Dimensional Aerodynamic Inverse Problem Solution Study in Turbomachinery 329
12.1 Introduction 329
12.2 Stream Function Method 331
12.3 A Hybrid Problem Solution Method Using the Stream Function Equation with Prescribed Target Velocity for the Blade Cascades of Revolution 336
12.4 Stream-Function-Coordinate Method (SFC) for the Blade Cascades on the Surface of Revolution 343
12.5 Stream-Function-Coordinate Method (SFC) with Target Circulation for the Blade Cascades on the Surface of Revolution 350
12.6 Two-Dimensional Inverse Method Using a Direct Solver with Residual Correction Technique 353
12.7 Summary 359
13 Three-Dimensional Aerodynamic Inverse Problem Solution Study in Turbomachinery 361
13.1 Introduction 361
13.2 Two-Stream-Function-Coordinate-Equation Inverse Method 362
13.3 Three-Dimensional Potential Function Hybrid Solution Method 364
13.4 Summary 372
14 Aerodynamic Design Optimization of Compressor and Turbine Blades 375
14.1 Introduction 375
14.2 Parameterization Method 377
14.3 Response Surface Method (RSM) for Blade Optimization 387
14.4 A Study on the Effect of Maximum Camber Location for a Transonic Fan Rotor Blading by GPAM 395
14.5 Optimization of a Low Aspect Ratio Turbine by GPAM and a Study of the Effects of Geometry on the Aerodynamics Performance 401
14.6 Blade Parameterization and Aerodynamic Design Optimization for a 3D Transonic Compressor Rotor 412
14.7 Summary 426
References 429
Index 441