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涡量空气动力学原理 英文版PDF|Epub|txt|kindle电子书版本网盘下载

涡量空气动力学原理 英文版
  • 吴镇远著 著
  • 出版社: 上海:上海交通大学出版社
  • ISBN:9787313116239
  • 出版时间:2014
  • 标注页数:143页
  • 文件大小:22MB
  • 文件页数:155页
  • 主题词:涡-空气动力学-英文

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图书目录

1.Introduction1

1.1 Preliminaries1

1.2 Differential Equations,Initial and Boundary Conditions3

1.3 Major Assumptions5

1.4 Vorticity-Dynamic Formulation11

References16

2.Theorems of Helmholtz and Kelvin19

2-1 Introduction19

2-2 Kinematic-Kinetic Partition of Flow Problem20

2.3 Kinematic Preliminaries22

2.4 Helmholtz'First Vortex Theorem26

2.5 Vorticity Loops29

2.6 Kelvin's Theorem30

2.7 Helmholtz'Second Vortex Theorem31

2.8 Concluding Remarks33

References34

3.Vorticity Kinematics37

3.1 Differential Equations of Vorticity Kinematics37

3.2 Vector Identities40

3.3 Poisson's Equation and Integral Representations41

3.4 Poisson's Equation and Boundary Conditions44

3.5 Law of Biot-Savart48

3.6 Generalized Law of Biot-Savart50

3.7 Uniqueness of Solution52

3.8 Boundary Conditions in Vorticity Kinematics53

References56

4.Vorticity Kinetics59

4.1 Navier-Stokes Momentum Equation59

4.2 Convection and Material Derivative60

4.3 Viscous Force and Diffusion of Momentum64

4.4 Vorticity and Flow Regions66

4.5 Appearance and Transport of Vorticity68

4.6 Speeds of Vorticity Transport70

4.7 Boundary Conditions in Vorticity Kinetics71

4.8 Approaching Steady Flow73

References75

5.Vorticity-Moment Theorem77

5.1 Preliminary Remarks77

5.2 Total Vorticity Conservation78

5.3 Asymptotic Behavior of Velocity Field81

5.4 Total Velocity84

5.5 Aerodynamic Force85

5.6 Moment of Aerodynamic Force86

5.7 Two-Dimensional Flows87

5.8 Observations91

References94

6.Classical Aerodynamics95

6.1 Vorticity-Moment Theorem95

6.2 Kutta-Joukowski's Theorem and Vortical Flow Zones96

6.3 Non-Streamlined Flow and Karman Vortex Street100

6.4 Vorticity Loop and Vorticity Moment103

6.5 Lifting-Line Theory:Uniform Circulation Lift105

6.6 Lift on Finite Wing with Variable Circulation110

6.7 Induced Drag112

6.8 Wake-Integral Expressions for Lift and Drag114

References117

7.Unsteady Aerodynamics119

7.1 Aircraft and Streamlined Flows119

7.2 Animal Flight and Flapping Wings123

7.3 Classical vs.Vorticity-Dynamic Approach125

7.4 Apparent Mass of Sphere and Circular Disk130

7.5 Apparent Mass Coefficients134

References139

Index141

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