Page:Aerial Flight - Volume 1 - Aerodynamics - Frederick Lanchester - 1906.djvu/16

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xii
CONTENTS.
  • § 35. Law of Skin Friction.
  • 36. Kinematical Relations.
  • 37. Turbulence.
  • 38. General Expression. Homomorphous Motion.
  • 39. Corresponding Speed.
  • 40. Energy Relation.
  • 41. Resistance-Velocity Curve.
  • 42. Resistance-Linear Curve.
  • 43. Other Relations.
  • 44. Form of Characteristic Curve.
  • 45. Consequences of Interchangeability of V and l.
  • 46. Comparison of Theory with Experiment.
  • 47. Froude's Experiments.
  • 48. Froude's Experiments—continued. Roughened Surfaces.
  • 49. Dines' Experiments.
  • 50. Allen's Experiments.
  • 51. Characteristic Curve, Spherical Body.
  • 52. Physical Meaning of Change of Index.
  • 53. Changes in Index Value—continued.
  • 54. The Transition Stages of the Characteristic Curve.
  • 55. Some Difficulties of Theory.
  • 56. General Conclusions.

The Hydrodynamics of Analytical Theory.

  • § 57. Introductory.
  • 58. Properties of a Fluid.
  • 59. Basis of Mathematical Investigation.
  • 60. Velocity Potential, φ Function.
  • 61. Flux. ψ Function. φ and ψ interchangeable.
  • 62. Sources and Sinks.
  • 63. Connectivity.
  • 64. Cyclic Motion.
  • 65. Fluid Rotation.—Conservation of Rotation.
  • 66. Boundary Circulation, the Measure of Rotation.
  • 67. Boundary Circulation. Positive and Negative.
  • 68. Rotation, Irregular Distribution. Irrotation, Definition.
  • 69. Rotation, Mechanical Illustration.
  • 70. Irrotational Motion in its Relation to Velocity Potential.
  • 71. Physical Interpretation of Lagrange's φ Proposition.
  • 72. A Case of Vortex Motion.
  • 73. Irrotational Motion. Fundamental or Elementary Forms. Compounding by Superposition.
  • 74. The Method of Superposed Systems of Flow.
  • 75. ψ, φ, Lines for Source and Sink System.
  • 76. Source and Sink, Superposed Translation.
  • 77. Rankine's Water-lines.
  • 78. Solids Equivalent to Source and Sink Distribution.
  • 79. Typical Cases constituting Solutions to the Equations of Motion.
  • 80. Consequences of inverting ψ, φ Functions in Special Cases. Force at right angles to Motion.