SUBJECT INDEX 



967 



Preliminary design(s), mptorboat, principal require- 

 ments for, 825 

 procedure, comments on illustrative, 898 



screwprop, with series charts, 592 

 steps in the, 460 

 section-area curve, 485 

 Pressure(s), and flow around a hydrofoil, 80 

 special forms, 46 

 in a hquid, formulas for, 41 

 heads, ram, tables of, 28-30 

 velocity diagrams around bodies, 31 



for 2-diml and 3-diml bodies, 43 

 distribution about asymmetric body, 43 

 body of revolution. 40 

 hydrofoil, 80 

 schematic ship forms, 47 

 ship forms, prediction of, 257 

 2-diml and 3-diml bodies, references to, 

 44 

 fields around a hydrofoil, 82 

 relationships in potential flow, 25, 26 

 around special forms, 46 



axial-, distr in screwprop inflow-outflow jets, 343 

 coefEcient(s), def of, 11 



distribution of, around axisymmetric bodies, 42 

 relation of to cavitation index, 10, IJ 

 tables of, 27, 30 

 corresp to unit heads, fresh and salt water, 28, 29 

 diagrams, graphic, details of, 9 

 differential, at screwprop, data on, 343 

 distribution, along a vee entrance, 48 

 bodies of revolution, 42 

 chordT\nse, about hydrofoils, 81 

 on model afterbody, 258 



planing-craft bottoms, 266 

 velocity and, around a hydrofoil, 80 

 an asymmetric body, 43 

 schematic bodies and ship forms, 44, 45, 47, 

 257 

 hull of submarine, definition and use of, 810 

 lines of constant, derived analytically, 218 

 observation on a rudder, layout for, 9 

 ram, for fresh and salt water, 28-30 

 resistance, as a function of depth, on a submerged 

 body, 323 

 of ship, mathematic methods of calculating, 206 

 prediction by analytic methods, 321 

 ship, modern developments in calculation of, 210 

 vapor, of water, 146, 147, 921 

 variations along a Rankine Ussoneoid, 208 

 velocity, and force of natural wind, 284 



relationships, quantitative, in potential flow, 25 

 wind, location of center of, 284 

 magnitude of, 283 

 Principal design req'ts for surface ship, statement of, 446 

 dimensions, coeffs, features, for typical ships, 223-228 

 first approx, 464 

 second approx, 475 

 preliminary design requirements for motorboat, 825 



analysis of, 826 

 weights, second estimate, for surface ship, 474 

 Prismatic coeflBcient ; see Coefficient 

 Profile(s), abovewater, and deck details, 553 

 afterbody, arch-stern ABC ship, 524, 527 



Profile(s) bow, 491 



for ABC ship, 511 

 hull, underwater, 500 

 screwprop blade, choice of, 602 



skew-back for ABC propeller, 627-629 

 ship-wave, typical, 239 

 small-scale, preparation of, 486 



sketch of, 487 

 stern, 491 



and rudder shape, 709 

 surface-wave, prediction of, 246 

 transom-stern ABC ship, 492 

 velocity, in ship boundary layers, 97 



list of references, 98 

 wave, determined from models, 241, 873 



from stereoscopic photos, 180 



prediction of, for any ship, 246 



sketching, for new design, 494 



transom-stern ABC ship, 495 



typical, for ships, 239 



3-component, complex sea, 175 

 wind-wave, by modern methods, 177 

 Program, for model testing, for large ship, 868 

 Prohaska added-mass data for shallow water, 434, 435 

 Projected area of hydrofoil, def of, 5 

 Projections, major abovewater, in the main hull, 560 

 Propdev(s), (of many kinds and types) 



adequate flow to, in confined waters, 668 



and hull vibration frequencies, relation of, 580 



aperture and tip clearances, 537 



design to meet maneuvering requirements, 580 



direction of rotation, 572 



efficiencies, estimate of, 332 



for double-ended vessels, 792 ^ 



gas-jet, data on, 337 



general design of the, 567 



hydrauhc-jet, data on, 337 



miscellaneous, design of, 638 



performance of, 339 

 number and type of, 567 

 paddletrack, design features of, 638 

 performance, lack of reliable data for confined waters, 



411 



predicting, 332 

 positions, and limiting dimensions, 568 



data on flow into, 341 



estimated flow at, 258 



shaping hull adjacent to, 536 



wake diagrams at, 358 

 pump-jet, data on, 337 

 rate of rotation of, 572 

 torque, disadvantages of unbalanced, 579 

 type and number, 567 

 used with contra-devices, 579 

 Propelled, seU- ; see Self-propelled 

 PropeUer(s), (general classification) 

 efficiencies, estimate of, 332 

 Gill, longitudinal section through, 339 

 Hotchkiss, explanatory diagrams, 339 

 Kirsten-Boeing; see Propellers, rotating-blade 

 limiting dimensions for a ship design, 568 

 materials and coatings to resist erosion, 635 

 multiple, design to equalize powers of, 573 

 photographing cavitation on ship, 153 



