Series Preface |
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xii | |
Preface |
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xiv | |
1 Introduction and Basic Principles |
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1 | (34) |
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1.2 Aerodynamics as a Subset of Fluid Dynamics |
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2 | (1) |
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3 | (2) |
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1.4 Automobile Vehicle Aerodynamics |
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5 | (4) |
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1.5 General Features of Fluid Flow |
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9 | (4) |
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10 | (1) |
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1.5.2 Laminar and Turbulent Flow |
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11 | (1) |
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1.5.3 Attached and Separated Flow |
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12 | (1) |
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13 | (10) |
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13 | (1) |
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14 | (1) |
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14 | (2) |
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16 | (3) |
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19 | (1) |
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1.6.6 Heat Transfer Coefficient, k |
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19 | (1) |
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1.6.7 Modulus of Elasticity, E |
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20 | (2) |
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22 | (1) |
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1.7 Advanced Topics: Fluid Properties and the Kinetic Theory of Gases |
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23 | (3) |
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1.8 Summary and Concluding Remarks |
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26 | (1) |
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27 | (1) |
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27 | (8) |
2 The Fluid Dynamic Equations |
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35 | (46) |
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35 | (1) |
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2.2 Description of Fluid Motion |
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36 | (2) |
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2.3 Choice of Coordinate System |
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38 | (1) |
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2.4 Pathlines, Streak Lines, and Streamlines |
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39 | (1) |
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40 | (3) |
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2.6 Integral Form of the Fluid Dynamic Equations |
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43 | (7) |
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2.7 Differential Form of the Fluid Dynamic Equations |
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50 | (7) |
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2.8 The Material Derivative |
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57 | (2) |
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2.9 Alternate Derivation of the Fluid Dynamic Equations |
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59 | (3) |
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2.10 Example for an Analytic Solution: Two-Dimensional, Inviscid Incompressible, Vortex Flow |
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62 | (7) |
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2.10.1 Velocity Induced by a Straight Vortex Segment |
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65 | (1) |
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2.10.2 Angular Velocity, Vorticity, and Circulation |
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66 | (3) |
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2.11 Summary and Concluding Remarks |
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69 | (3) |
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72 | (1) |
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72 | (9) |
3 One-Dimensional (Frictionless) Flow |
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81 | (41) |
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81 | (1) |
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3.2 The Bernoulli Equation |
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82 | (2) |
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3.3 Summary of One-Dimensional Tools |
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84 | (1) |
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3.4 Applications of the One-Dimensional Friction-Free Flow Model |
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85 | (11) |
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85 | (4) |
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3.4.2 Examples for Using the Bernoulli Equation |
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89 | (4) |
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3.4.3 Simple Models for Time-Dependent Changes in a Control Volume |
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93 | (3) |
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3.5 Flow Measurements (Based on Bernoulli's Equation) |
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96 | (6) |
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96 | (2) |
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98 | (2) |
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100 | (1) |
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3.5.4 Nozzles and Injectors |
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101 | (1) |
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3.6 Summary and Conclusions |
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102 | (2) |
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103 | (1) |
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104 | (18) |
4 Dimensional Analysis, High Reynolds Number Flows, and Definition of Aerodynamics |
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122 | (19) |
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122 | (1) |
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4.2 Dimensional Analysis of the Fluid Dynamic Equations |
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123 | (3) |
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4.3 The Process of Simplifying the Governing Equations |
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126 | (1) |
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127 | (2) |
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4.5 High Reynolds Number Flow and Aerodynamics |
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129 | (4) |
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4.6 High Reynolds Number Flows and Turbulence |
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133 | (3) |
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4.7 Summary and Conclusions |
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136 | (1) |
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136 | (1) |
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136 | (5) |
5 The Laminar Boundary Layer |
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141 | (35) |
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141 | (2) |
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5.2 Two-Dimensional Laminar Boundary Layer Model - The Integral Approach |
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143 | (4) |
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5.3 Solutions using the von Karman Integral Equation |
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147 | (9) |
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5.4 Summary and Practical Conclusions |
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156 | (5) |
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5.5 Effect of Pressure Gradient |
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161 | (3) |
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5.6 Advanced Topics: The Two-Dimensional Laminar Boundary Layer Equations |
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164 | (5) |
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5.6.1 Summary of the Exact Blasius Solution for the Laminar Boundary Layer |
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167 | (2) |
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169 | (1) |
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170 | (1) |
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170 | (6) |
6 High Reynolds Number Incompressible Flow Over Bodies: Automobile Aerodynamics |
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176 | (86) |
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176 | (2) |
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6.2 The Inviscid 'notational Flow (and Some Math) |
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178 | (3) |
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6.3 Advanced Topics: A More Detailed Evaluation of the Bernoulli Equation |
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181 | (2) |
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6.4 The Potential Flow Model |
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183 | (1) |
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6.4.1 Methods for Solving the Potential Flow Equations |
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183 | (1) |
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6.4.2 The Principle of Superposition |
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184 | (1) |
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6.5 Two-Dimensional Elementary Solutions |
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184 | (15) |
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6.5.1 Polynomial Solutions |
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185 | (2) |
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6.5.2 Two-Dimensional Source (or Sink) |
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187 | (3) |
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6.5.3 Two-Dimensional Doublet |
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190 | (3) |
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6.5.4 Two-Dimensional Vortex |
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193 | (3) |
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6.5.5 Advanced Topics: Solutions Based on Green's Identity |
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196 | (3) |
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6.6 Superposition of a Doublet and a Free-Stream: Flow Over a Cylinder |
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199 | (5) |
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204 | (11) |
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6.7.1 The Drag of Simple Shapes |
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205 | (5) |
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6.7.2 The Drag of More Complex Shapes |
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210 | (5) |
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6.8 Periodic Vortex Shedding |
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215 | (3) |
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218 | (7) |
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6.9.1 A Cylinder with Circulation in a Free Stream |
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218 | (4) |
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6.9.2 Two-Dimensional Flat Plate at a Small Angle of Attack (in a Free Stream) |
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222 | (2) |
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6.9.3 Note About the Center of Pressure |
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224 | (1) |
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6.10 Lifting Surfaces: Wings and Airfoils |
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225 | (23) |
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6.10.1 The Two-Dimensional Airfoil |
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226 | (2) |
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228 | (1) |
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229 | (2) |
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231 | (1) |
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6.10.5 The Effect of Reynolds Number |
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232 | (1) |
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6.10.6 Three-Dimensional Wings |
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233 | (15) |
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6.11 Summary of High Reynolds Number Aerodynamics |
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248 | (1) |
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249 | (1) |
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249 | (1) |
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250 | (12) |
7 Automotive Aerodynamics: Examples |
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262 | (54) |
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262 | (1) |
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7.2 Generic Trends (For Most Vehicles) |
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263 | (6) |
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264 | (1) |
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7.2.2 Generic Automobile Shapes and Vortex Flows |
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265 | (4) |
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7.3 Downforce and Vehicle Performance |
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269 | (5) |
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7.4 How to Generate Downforce |
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274 | (1) |
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7.5 Tools used for Aerodynamic Evaluations |
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274 | (12) |
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7.5.1 Example for Aero Data Collection: Wind Tunnels |
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276 | (3) |
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7.5.2 Wind Tunnel Wall/Floor Interference |
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279 | (2) |
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7.5.3 Simulation of Moving Ground |
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281 | (2) |
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7.5.4 Expected Results of CFD, Road, or Wind Tunnel Tests (and Measurement Techniques) |
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283 | (3) |
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7.6 Variable (Adaptive) Aerodynamic Devices |
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286 | (5) |
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291 | (21) |
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292 | (6) |
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298 | (1) |
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299 | (3) |
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7.7.4 Competition Cars (Enclosed Wheel) |
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302 | (4) |
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7.7.5 Open-Wheel Racecars |
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306 | (6) |
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312 | (2) |
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314 | (1) |
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314 | (2) |
8 Introduction to Computational Fluid Mechanics (CFD) |
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316 | (23) |
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316 | (1) |
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8.2 The Finite-Difference Formulation |
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317 | (3) |
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8.3 Discretization and Grid Generation |
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320 | (1) |
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8.4 The Finite-Difference Equation |
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321 | (3) |
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8.5 The Solution: Convergence and Stability |
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324 | (2) |
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8.6 The Finite-Volume Method |
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326 | (2) |
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8.7 Example: Viscous Flow Over a Cylinder |
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328 | (3) |
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8.8 Potential-Flow Solvers: Panel Methods |
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331 | (4) |
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335 | (2) |
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337 | (1) |
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337 | (2) |
9 Viscous Incompressible Flow: "Exact Solutions" |
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339 | (72) |
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339 | (1) |
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9.2 The Viscous Incompressible Flow Equations (Steady State) |
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340 | (1) |
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9.3 Laminar Flow between Two Infinite Parallel Plates: The Couette Flow |
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340 | (19) |
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9.3.1 Flow with a Moving Upper Surface |
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342 | (1) |
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9.3.2 Flow between Two Infinite Parallel Plates: The Results |
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343 | (4) |
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9.3.3 Flow between Two Infinite Parallel Plates - The Poiseuille Flow |
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347 | (4) |
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9.3.4 The Hydrodynamic Bearing (Reynolds Lubrication Theory) |
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351 | (8) |
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9.4 Flow in Circular Pipes (The Hagen-Poiseuille Flow) |
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359 | (5) |
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9.5 Fully Developed Laminar Flow between Two Concentric Circular Pipes |
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364 | (2) |
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9.6 Laminar Flow between Two Concentric, Rotating Circular Cylinders |
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366 | (4) |
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9.7 Flow in Pipes: Darcy's Formula |
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370 | (1) |
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9.8 The Reynolds Dye Experiment, Laminar/Turbulent Flow in Pipes |
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371 | (3) |
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9.9 Additional Losses in Pipe Flow |
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374 | (1) |
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9.10 Summary of 1D Pipe Flow |
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375 | (19) |
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378 | (1) |
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9.10.2 Flow in Pipes with Noncircular Cross Sections |
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379 | (2) |
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9.10.3 Examples for One-Dimensional Pipe Flow |
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381 | (10) |
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391 | (3) |
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9.11 Free Vortex in a Pool |
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394 | (3) |
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9.12 Summary and Concluding Remarks |
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397 | (1) |
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397 | (1) |
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397 | (14) |
10 Fluid Machinery |
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411 | (74) |
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411 | (4) |
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10.2 Work of a Continuous-Flow Machine |
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415 | (2) |
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10.3 The Axial Compressor (The Mean Radius Model) |
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417 | (29) |
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10.3.1 Velocity Triangles |
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421 | (3) |
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10.3.2 Power and Compression Ratio Calculations |
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424 | (5) |
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429 | (2) |
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10.3.4 Pressure Rise Limitations |
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431 | (3) |
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10.3.5 Performance Envelope of Compressors and Pumps |
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434 | (7) |
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10.3.6 Degree of Reaction |
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441 | (5) |
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10.4 The Centrifugal Compressor (or Pump) |
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446 | (12) |
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10.4.1 Torque, Power, and Pressure Rise |
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447 | (3) |
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450 | (4) |
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454 | (3) |
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10.4.4 Concluding Remarks: Axial versus Centrifugal Design |
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457 | (1) |
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458 | (20) |
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10.5.1 Torque, Power, and Pressure Drop |
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459 | (2) |
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10.5.2 Axial Turbine Geometry and Velocity Triangles |
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461 | (3) |
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10.5.3 Turbine Degree of Reaction |
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464 | (9) |
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10.5.4 Turbochargers (for Internal Combustion Engines) |
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473 | (1) |
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10.5.5 Remarks on Exposed Tip Rotors (Wind Turbines and Propellers) |
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474 | (4) |
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478 | (1) |
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478 | (1) |
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478 | (7) |
11 Elements of Heat Transfer |
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485 | (59) |
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485 | (1) |
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11.2 Elementary Mechanisms of Heat Transfer |
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486 | (9) |
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11.2.1 Conductive Heat Transfer |
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486 | (3) |
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11.2.2 Convective Heat Transfer |
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489 | (2) |
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11.2.3 Radiation Heat Transfer |
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491 | (4) |
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495 | (20) |
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11.3.1 Steady One-Dimensional Heat Conduction |
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497 | (2) |
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11.3.2 Combined Heat Transfer |
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499 | (3) |
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11.3.3 Heat Conduction in Cylinders |
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502 | (4) |
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506 | (9) |
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11.4 Heat Transfer by Convection |
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515 | (19) |
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11.4.1 The Flat Plate Model |
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516 | (4) |
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11.4.2 Formulas for Forced External Heat Convection |
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520 | (6) |
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11.4.3 Formulas for Forced Internal Heat Convection |
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526 | (3) |
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11.4.4 Formulas for Free (Natural) Heat Convection |
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529 | (5) |
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534 | (2) |
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536 | (3) |
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539 | (1) |
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539 | (5) |
12 Automobile Aero-Acoustics |
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544 | (37) |
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544 | (2) |
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12.2 Sound as a Pressure Wave |
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546 | (3) |
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12.3 Sound Loudness Scale |
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549 | (3) |
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12.4 The Human Ear Perception |
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552 | (1) |
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12.5 The One-Dimensional Linear Wave Equation |
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553 | (3) |
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12.6 Sound Radiation, Transmission, Reflection, Absorption |
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556 | (5) |
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12.6.1 Sound Wave Expansion (Radiation) |
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556 | (3) |
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12.6.2 Reflections, Transmission, Absorption |
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559 | (1) |
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12.6.3 Standing Wave (Resonance), Interference, and Noise Cancellations |
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560 | (1) |
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561 | (3) |
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12.8 Example: Sound from a Shear Layer |
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564 | (4) |
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568 | (6) |
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12.10 Experimental Examples for Sound Generation on a Typical Automobile |
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574 | (2) |
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12.11 Sound and Flow Control |
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576 | (1) |
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577 | (1) |
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578 | (1) |
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578 | (3) |
Appendix A |
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581 | (2) |
Appendix B |
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583 | (6) |
Index |
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589 | |