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Aerothermodynamics of Turbomachinery

Analysis and Design



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Genere: Libro
Lingua: Inglese
Editore: John Wiley & Sons
Pubblicazione: 05/2010

Prezzo: € 132,50

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Trama
Computational Fluid Dynamics (CFD) is now an essential and effective tool used in the design of all types of turbomachine, and this topic constitutes the main theme of this book. With over 50 years of experience in the field of aerodynamics, Professor Naixing Chen has developed a wide range of numerical methods covering almost the entire spectrum of turbomachinery applications. Moreover, he has also made significant contributions to practical experiments and real-life designs.

The book focuses on rigorous mathematical derivation of the equations governing flow and detailed descriptions of the numerical methods used to solve the equations. Numerous applications of the methods to different types of turbomachine are given and, in many cases, the numerical results are compared to experimental measurements. These comparisons illustrate the strengths and weaknesses of the methods - a useful guide for readers. Lessons for the design of improved blading are also indicated after many applications.
* Presents real-world perspective to the past, present and future concern in turbomachinery
* Covers direct and inverse solutions with theoretical and practical aspects
* Demonstrates huge application background in China
* Supplementary instructional materials are available on the companion website

Aerothermodynamics of Turbomachinery: Analysis and Design is ideal for senior undergraduates and graduates studying in the fields of mechanics, energy and power, and aerospace engineering; design engineers in the business of manufacturing compressors, steam and gas turbines; and research engineers and scientists working in the areas of fluid mechanics, aerodynamics, and heat transfer.

Supplementary lecture materials for instructors are available at www.wiley.com/go/chenturbo
Autore
Naixing Chen is a Professor of Aerodynamics at Institute ofEngineering Thermophysics, Chinese Academy of Sciences, where hehas been working for nearly 30 years since 1980 and had served asthe former Director (1986 –1992) and Honorary Chairman ofScientific Committee (1992 – 1999). He worked as an AssociateProfessor and Deputy Division Head at the Institute of Mechanics,Chinese Academy of Sciences from 1978 to 1980.  He was anHonorary Visiting Professor of the University of Auckland, NewZealand, from 1997 to 1999.
Since 1980s, Chen has been member of organizing or advisorycommittee of a couple of international conferences in his researchfield. He is also a very active with the editorial boards ofjournals. Chen also holds considerable honors including State Awardof Natural Science (2002, Chinese government).
Chen has been very active in R & D in the area ofaero–thermodynamics of turbomachinery for more than 50 years. He isone of the three leading authors of a very popular and influentialtextbook in China in the field of trubomachinery. He received aDiploma Engineering Degree and a Master Degree from The MoscowBaumann Technical University, both in turbomachinery.
Sommario
Foreword xv

Preface xvii

Acknowledgments xix

Nomenclature xxi

1 Introduction 1

1.1 Introduction to the Study of the Aerothermodynamics ofTurbomachinery 1

1.2 Brief Description of the Development of the Numerical Studyof the Aerothermodynamics of Turbomachinery 2

1.3 Summary 6

2 Governing Equations Expressed in Non–Orthogonal CurvilinearCoordinates to Calculate 3D Viscous Fluid Flow in Turbomachinery9

2.1 Introduction 9

2.2 Aerothermodynamics Governing Equations (Navier StokesEquations) of Turbomachinery 10

2.3 Viscous and Heat Transfer Terms of Equations 11

2.4 Examples of Simplification of Viscous and Heat TransferTerms 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–OrthogonalCoordinates 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 DifferentialEquations 37

4.1 Introduction 37

4.2 Boundary Layer Equations Expressed in Partial DifferentialForm 37

4.3 Numerical Solution of the Boundary Layer DifferentialEquations 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 TurbomachineryBlade Cascades 49

4.6 Summary 57

5 Approximate Calculations Using Integral Boundary LayerEquations 59

5.1 Introduction 59

5.2 Integral Boundary Layer Equations 59

5.3 Generalized Method for Approximate Calculation of theBoundary Layer Momentum Thickness 64

5.4 Laminar Boundary Layer Momentum Integral Equation 66

5.5 Transitional Boundary Layer Momentum Integral Equation68

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 Turbomachinery87

6.1 Introduction 87

6.2 Flow Rate Coefficient and Loss Coefficient ofTwo–Dimensional Blade Cascades 87

6.3 Studies on the Velocity Distributions Along Blade Surfacesand Correlation Analysis of the Aerodynamic Characteristics ofPlane Blade Cascades 92

6.4 Summary 101

7 Stream Function Methods for Two– and Three–Dimensional FlowComputations in Turbomachinery 103

7.1 Introduction 103

7.2 Three–Dimensional Flow Solution Methods with Two Kinds ofStream Surfaces 104

7.3 Two– Stream Function Method for Three–Dimensional FlowSolution 106

7.4 Stream Function Methods for Two–Dimensional Viscous FluidFlow Computations 118

7.5 Stream Function Method for Numerical Solution of TransonicBlade Cascade Flow on the Stream Surface of Revolution 127

7.6 Finite Analytic Numerical Solution Method (FASM) for Solvingthe Stream Function Equation of Blade Cascade Flow 131

7.7 Summary 140

8 Pressure Correction Method for Two–Dimensional andThree–Dimensional Flow Computations in Turbomachinery 145

8.1 Introduction 145

8.2 Governing Equations of Three–Dimensional Turbulent Flow andthe Pressure Correction Solution Method 146

8.3 Two–Dimensional Turbulent Flow Calculation Examples 157

8.4 Three–Dimensional Turbulent Flow Calculation Examples169

8.5 Summary 198

9 Time–Marching Method for Two–Dimensional andThree–Dimensional Flow Computations in Turbomachinery 199

9.1 Introduction 199

9.2 Governing Equations of Three–Dimensional Viscous Flow inTurbomachinery 201

9.3 Solution Method Based on Multi–Stage Runge–KuttaTime–Marching Scheme 205

9.4 Two–Dimensional Turbulent Flow Examples Calculated by theMulti–Stage Runge Kutta Time–Marching Method 216

9.5 Three–Dimensional Flow Examples Calculated by theMulti–Stage Runge Kutta Time–Marching Method 226

9.6 Summary 249

10 Numerical Study on the Aerodynamic Design ofCircumferentialand Axial–Leaned and Bowed Turbine Blades251

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 BladeRow with Low Span–Diameter Ratio 277

10.5 Summary 286

11 Numerical Study on Three–Dimensional Flow Aerodynamics andSecondary 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 aTurbine Nozzle with Low Span–Diameter Ratio 310

11.5 Numerical Study on the Three–Dimensional Flow Pattern andVortex Motions in a Centrifugal Compressor Impeller 317

11.6 Summary 326

12 Two–Dimensional Aerodynamic Inverse Problem Solution Studyin Turbomachinery 329

12.1 Introduction 329

12.2 Stream Function Method 331

12.3 A Hybrid Problem Solution Method Using the Stream FunctionEquation with Prescribed Target Velocity for the Blade Cascades ofRevolution 336

12.4 Stream–Function–Coordinate Method (SFC) for the BladeCascades on the Surface of Revolution 343

12.5 Stream–Function–Coordinate Method (SFC) with TargetCirculation for the Blade Cascades on the Surface of Revolution350

12.6 Two–Dimensional Inverse Method Using a Direct Solver withResidual Correction Technique 353

12.7 Summary 359

13 Three–Dimensional Aerodynamic Inverse Problem SolutionStudy in Turbomachinery 361

13.1 Introduction 361

13.2 Two–Stream–Function–Coordinate–Equation Inverse Method362

13.3 Three–Dimensional Potential Function Hybrid Solution Method364

13.4 Summary 372

14 Aerodynamic Design Optimization of Compressor and TurbineBlades 375

14.1 Introduction 375

14.2 Parameterization Method 377

14.3 Response Surface Method (RSM) for Blade Optimization387

14.4 A Study on the Effect of Maximum Camber Location for aTransonic Fan Rotor Blading by GPAM 395

14.5 Optimization of a Low Aspect Ratio Turbine by GPAM and aStudy of the Effects of Geometry on the Aerodynamics Performance401

14.6 Blade Parameterization and Aerodynamic Design Optimizationfor a 3D Transonic Compressor Rotor 412

14.7 Summary 426

References 429

Index 441

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Altre Informazioni
ISBN: 9780470825006
Dimensioni: 250 x 30.41 x 172 mm Ø 964 gr
Formato: Copertina rigida
Pagine Arabe: 448


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