Page:Aerial Flight - Volume 1 - Aerodynamics - Frederick Lanchester - 1906.djvu/456


 * Allen's experiments, fluid resistance, §§ 50, 51
 * Allen's law, f. n. § 35
 * Apteroid aspect, planes in, §§ 150, 151
 * Arched section, §§ 107, 108, 118, 188
 * Area, aerofoil area proper to least resistance, § 165; as a factor affecting total load, § 170
 * Aspect, meaning of, glossary; apteroid and pterygoid, §§ 151, 153; as affecting pressure reaction, § 144 et seq.; as affecting position of centre of pressure, § 155
 * Aspect ratio, meaning, § 150; influence of, on pressure reaction, § 159; employed by experimenters in fight, § 119
 * Author's experiments, § 239 et seq.; on discontinuous flow, § 21; on orbital motion of fluid particles, § 17; on attendant vortices, § 125


 * Ballasted aeroplane, the, 162; stability of, § 162; determination of aerodynamic constants by means of, §§ 241, 245; launching device for, § 245
 * Beaufoy, pressure on normal plane (water), §§ 135, 136
 * Best values of β, tables of, § 181
 * Body resistance, effect of, § 175
 * Borda nozzle, theory of, § 96
 * Boundary circulation, positive and negative, § 67; the measure of rotation, § 66
 * Bounding flight, theory of, App. IV.


 * Cavitation, §§ 12, 82; in connection with screw propeller, § 215
 * Centre of pressure, square plane, § 148; theoretical, for infinite lamina, § 155; changes with change of angle, § 148; determined by the ballasted aeroplane, § 245
 * Changes of index value, in curve of resistance, § 52
 * Compressibility, relative, of air and water, § 1; influence of, on power expended in flight, App. I.
 * Conjugate property, of φ and ψ, § 61
 * Connectivity, §§ 62, 63
 * Conservative system, in periptery, proof of, §§ 115, 116
 * Constant sweep, as basis of quantitative theory, § 172 et seq.
 * Constants, the aerodynamic, C table of, § 177; c, table of, § 177; κ and ε, § 178; κ and ε, auxiliary hypothesis, § 179; κ and ε, plausible values, table of, § 180
 * Continuity of motion, provisional assumption of, § 173
 * Contraction, efflux coefficients, §§ 95, 96
 * Corresponding speed, law of, § 39
 * Counterwake current, the, § 22