Ethirajan Rathakrishnan

Introduction to Aerospace Engineering (eBook, PDF)

Basic Principles of Flight

• Format: PDF

Produktbeschreibung

Provides a broad and accessible introduction to the field of aerospace engineering, ideal for semester-long courses Aerospace engineering, the field of engineering focused on the development of aircraft and spacecraft, is taught at universities in both dedicated aerospace engineering programs as well as in wider mechanical engineering curriculums around the world-yet accessible introductory textbooks covering all essential areas of the subject are rare. Filling this significant gap in the market, Introduction to Aerospace Engineering: Basic Principles of Flight provides beginning students with a strong foundational knowledge of the key concepts they will further explore as they advance through their studies. Designed to align with the curriculum of a single-semester course, this comprehensive textbook offers a student-friendly presentation that combines the theoretical and practical aspects of aerospace engineering. Clear and concise chapters cover the laws of aerodynamics, pressure, and atmospheric modeling, aircraft configurations, the forces of flight, stability and control, rockets, propulsion, and more. Detailed illustrations, well-defined equations, end-of-chapter summaries, and ample review questions throughout the text ensure students understand the core topics of aerodynamics, propulsion, flight mechanics, and aircraft performance. Drawn from the author's thirty years' experience teaching the subject to countless numbers of university students, this much-needed textbook: * Explains basic vocabulary and fundamental aerodynamic concepts * Describes aircraft configurations, low-speed aerofoils, high-lift devices, and rockets * Covers essential topics including thrust, propulsion, performance, maneuvers, and stability and control * Introduces each topic in a concise and straightforward manner as students are guided through progressively more advanced material * Includes access to companion website containing a solutions manual and lecture slides for instructors Introduction to Aerospace Engineering: Basic Principles of Flight is the perfect "one stop" textbook for instructors, undergraduates, and graduate students in Introduction to Aerospace Engineering or Introduction to Flight courses in Aerospace Engineering or Mechanical Engineering programs.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 256
• Erscheinungstermin: 28. Mai 2021
• Englisch
• ISBN-13: 9781119806844
• Artikelnr.: 62030061

Autorenporträt

Ethirajan Rathakrishnan, PhD, is a Professor of Aerospace Engineering at the Indian Institute of Technology Kanpur, India, where he has more than 30 years' experience teaching Introduction to Aerospace Engineering courses at the undergraduate and graduate levels. He is the Editor-in-Chief for the International Review of Aerospace Engineering and the author of many books on aerospace and mechanical engineering topics. Professor Rathakrishnan is internationally-recognized for his research and development in the area of high-speed jets.

Inhaltsangabe

Preface vii

About the Author viii

1 Basics 1

1.1 Introduction 1

1.2 Overview 2

1.3 Modern Era 3

1.3.1 Actual Flights 5

1.3.2 Compressibility Issues 5

1.3.3 Supersonic Speeds 7

1.3.4 Continuity Concept 9

1.4 Conservation Laws 9

1.4.1 Conservation of Mass 9

1.4.2 Conservation of Momentum 10

1.4.3 Conservation of Energy 11

1.5 Incompressible Aerodynamics 11

1.5.1 Subsonic flow 12

1.6 Compressible Aerodynamics 12

1.6.1 Transonic Flow 12

1.6.2 Supersonic Flow 13

1.6.3 Hypersonic Flow 13

1.7 Vocabulary 14

1.7.1 Boundary Layers 14

1.7.2 Turbulence 14

1.8 Aerodynamics in Other Fields 14

1.9 Summary 15

2 International Standard Atmosphere 21

2.1 Layers in the ISA 22

2.1.1 ICAO Standard Atmosphere 22

2.1.2 Temperature Modeling 23

2.2 Pressure Modelling 24

2.2.1 Pressure above the Tropopause 26

2.3 Density Modeling 26

2.3.1 Other standard atmospheres 33

2.4 Relative Density 33

2.5 Altimeter 34

2.6 Summary 34

3 Aircraft Configurations 37

3.1 Structure 38

3.2 Propulsion 38

3.3 Summary 40

4 Low-Speed Aerofoils 43

4.1 Introduction 43

4.2 The Aerofoil 43

4.3 Aerodynamic Forces and Moments on an Aerofoil 44

4.4 Force and Moment Coefficients 45

4.5 Pressure Distribution 46

4.6 Variation of Pressure Distribution with Incidence Angle 50

4.7 The Lift Curve Slope 51

4.8 Profile Drag 53

4.9 Pitching Moment 54

4.10 Movement of Center of Pressure 58

4.11 Finite or Three-Dimensional Wing 59

4.12 Geometrical Parameters of a Finite Wing 59

4.12.1 Leading-edge Radius and Chord Line 60

4.12.2 Mean Camber Line 60

4.12.3 Thickness Distribution 60

4.12.4 Trailing-Edge Angle 61

4.13 Wing Geometrical Parameters 61

4.14 Span wise Flow Variation 65

4.15 Lift and Downwash 67

4.16 The Lift Curve of a Finite Wing 69

4.17 Induced Drag 71

4.18 The Total Drag of a Wing 74

4.19 Aspect Ratio Effect on Aerodynamic Characteristics 76

4.20 Pitching Moment 78

4.21 The Complete Aircraft 78

4.22 Straight and Level Flight 78

4.23 Total Drag 81

4.24 Reynolds Number Effect 82

4.25 Variation of Drag in Straight and Level Flight 83

4.26 The Minimum Power Condition 91

4.27 Minimum Drag - Velocity Ratio 92

4.28 The Stall 94

4.28.1 The Effect of Wing Section 94

4.28.2 Wing Planform Effect 95

4.29 The Effect of Protuberances 96

4.30 Summary 97

5 High-Lift Devices 103

5.1 Introduction 103

5.2 The Trailing Edge Flap 104

5.3 The Plain Flap 104

5.4 The Split Flap 106

5.5 The Slotted Flap 107

5.6 The Fowler Flap 108

5.7 Comparison of Different Types of Flaps 108

5.8 Flap Effect on Aerodynamic Center and Stability 110

5.9 The Leading Edge Slat 111

5.10 The Leading Edge Flap 112

5.11 Boundary Layer Control 114

5.11.1 Boundary Layer Blowing 114

5.12 Boundary Layer Suction 115

5.13 The Jet Flap 116

5.14 Summary 116

6 Thrust 119

6.1 Introduction 119

6.2 Thrust Generation 120
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