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Unsteady Aerodynamics Potential and Vortex Methods

Aus der Reihe Aerospace Series (PEP)

155,99 €

inkl. gesetzl. MwSt., Versandkostenfrei

Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

06.12.2023

Herausgeber

Peter Belobaba + weitere

Verlag

John Wiley & Sons Inc

Seitenzahl

576

Maße (L/B/H)

25/17,5/3,5 cm

Gewicht

1152 g

Auflage

1. Auflage

Sprache

Englisch

ISBN

978-1-119-76247-8

Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

06.12.2023

Herausgeber

Verlag

John Wiley & Sons Inc

Seitenzahl

576

Maße (L/B/H)

25/17,5/3,5 cm

Gewicht

1152 g

Auflage

1. Auflage

Sprache

Englisch

ISBN

978-1-119-76247-8

Herstelleradresse

Libri GmbH
Europaallee 1
36244 Bad Hersfeld
DE

Email: gpsr@libri.de

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  • Produktbild: Unsteady Aerodynamics
  • Produktbild: Unsteady Aerodynamics
  • Preface xi
     
    About the Companion Website xiii
     
    1 Introduction 1
     
    1.1 Why Potential and Vortex Methods? 2
     
    1.2 Outline of This Book 3
     
    2 Unsteady Flow Fundamentals 5
     
    2.1 Introduction 5
     
    2.2 From Navier-Stokes to Unsteady Incompressible Potential Flow 5
     
    2.2.1 Irrotational Flow 6
     
    2.2.2 Laplace's and Bernoulli's Equations 7
     
    2.2.3 Motion in an Incompressible, Inviscid, Irrotational Fluid 9
     
    2.3 Incompressible Potential Flow Solutions 14
     
    2.3.1 Green's Third Identity 21
     
    2.3.2 Solutions in Two Dimensions 40
     
    2.4 From Navier-Stokes to Unsteady Compressible Potential Flow 42
     
    2.4.1 The Compressible Bernoulli Equation 42
     
    2.4.2 The Full Potential Equation 44
     
    2.4.3 The Transonic Small Disturbance Equation 46
     
    2.4.4 The Linearised Small Disturbance Equation 47
     
    2.4.5 The Compressible Unsteady Pressure Coefficient 49
     
    2.4.6 Motion in a Compressible, Inviscid, Irrotational Fluid 52
     
    2.5 Subsonic Linearised Potential Flow Solutions 53
     
    2.6 Supersonic Linearised Potential Flow Solutions 61
     
    2.7 Vorticity and Circulation 66
     
    2.7.1 Solutions of the Vorticity Transport Equations 71
     
    2.7.2 Vorticity-Moment and Kutta-Joukowski Theorems 76
     
    2.7.3 TheWake and the Kutta Condition 77
     
    2.8 Concluding Remarks 79
     
    3 Analytical Incompressible 2D Models 83
     
    3.1 Introduction 83
     
    3.2 Steady Thin Airfoil Theory 83
     
    3.3 Fundamentals ofWagner and Theodorsen Theory 93
     
    3.3.1 Flow Induced by the Source Distribution 97
     
    3.3.2 Flow Induced by the Vortex Distribution 101
     
    3.3.3 Imposing the Impermeability Boundary Condition 104
     
    3.3.4 Calculating the Loads Due to the Source Distribution 108
     
    3.3.5 Imposing the Kutta Condition 111
     
    3.4 Wagner Theory 113
     
    3.4.1 TheWagner Function 120
     
    3.4.2 Drag and Thrust 123
     
    3.4.3 General Motion 129
     
    3.4.4 Total Loads 131
     
    3.4.5 Quasi-Steady Aerodynamics 138
     
    3.5 Theodorsen Theory 139
     
    3.5.1 Theodorsen's Function 143
     
    3.5.2 Total Loads for Sinusoidal Motion 146
     
    3.5.3 General Motion 153
     
    3.6 Finite State Theory 157
     
    3.6.1 Glauert Expansions 161
     
    3.6.2 Solution of the Impermeability Equation 170
     
    3.6.3 Completing the Equations 172
     
    3.6.4 Kutta Condition and Aerodynamic Loads 175
     
    3.7 Concluding Remarks 183
     
    3.8 Exercises 184
     
    4 Numerical Incompressible 2D Models 187
     
    4.1 Introduction 187
     
    4.2 Lumped Vortex Method 187
     
    4.2.1 Unsteady Flows 197
     
    4.2.2 FreeWakes 206
     
    4.3 Gust Encounters 212
     
    4.3.1 Pitching and Plunging Wings 216
     
    4.4 Frequency Domain Formulation of the Lumped Vortex Method 227
     
    4.5 Source and Vortex Panel Method 233
     
    4.5.1 Impulsively Started Flow 245
     
    4.5.2 Thrust and Propulsive Efficiency 254
     
    4.6 Theodorsen's Function andWake Shape 259
     
    4.7 Steady and Unsteady Kutta Conditions 261
     
    4.7.1 The Unsteady Kutta Condition 267
     
    4.8 Concluding Remarks 275
     
    4.9 Exercises 275
     
    5 Finite Wings 279
     
    5.1 Introduction 279
     
    5.1.1 Rigid Wings and Flexible Wings 280
     
    5.2 Finite Wings in Steady Flow 281
     
    5.3 The Impulsively Started Elliptical Wing 290
     
    5.3.1 The Solution by Jones 290
     
    5.3.2 Unsteady Lifting Line Solution 302
     
    5.4 The Unsteady Vortex Lattice Method 306
     
    5.4.1 Impulsive Start of an Elliptical Wing