SUBJECT INDEX 



951 



Blade(s), sorewprop, choice of number, 599 

 for ABC ship, 612 

 screwprop, edges, shaping of, 606 

 helix angles, 340, 341 

 hollow-face, disadvantages of, 627 

 outline for ABC ship, 624 

 prediction of cavitation on, 149 

 profile, choice of, 602 



skew-back, for ABC ship, 627-629 

 raked, use of, 600 

 section, selection of type, 605 



shape, final, for ABC ship, 627 

 shaping by cavitation criteria, 621 

 shaping and finish, 633 

 strength and deformation, 634 

 -thickness distribution, 620 

 widths of, 340 



cavitation diagrams for selecting, 605 

 design considerations for, 605 

 Blasius friction-resistance formula for laminar flow, 104 

 Blister(s) ; see also Bulge 



underwater, design of, 517, 768 



projecting, design of, 517, 560, 561 

 Blocking effect between appendages, 293 

 Blunt-ended vessels, design of, 755 

 Boats, fishing, special reqmrements for, 770 

 life-saving or rescue, design of, 816 

 motor, design, general considerations, 820 

 high-speed planing, design data for, 823 

 Body(ies), and ship lines, mathematical formulas for, 187 

 any, determination of velocity around, 24 

 asymmetric, formed by sources and sinks, 46 

 isotachyls around, 45 



velocity and pressure distribution around, 43 

 axisymmetric, formed by sources and sinks, 42 

 drawing streamlines around, 31 



in unsteady motion, added mass of water around, 417 

 mathematic methods for delineating, 186 

 of revolution, cavitation data for, 151 

 pressure coefficients around, 42 

 refs to vel and press distribution around, 40-45 

 plans, ship, ABC, transom-stern, 491 

 arch-stern, 523 



estimated flow pattern on, 255 

 shallow-water, 663, 664 

 single-screw, 234-236 

 "standard", 231-234 

 twin-screw, 236 

 submerged, calc of bulk volume and wetted surf, 322 

 drag coefficients for, 322 

 pressure resistance as function of depth, 323 

 typical, representing appendages, drag of, 291 

 various, flow patterns and vel and press diagrams, 31 

 vibrating, and vortex streets, 141 

 yawed, refs to flow patterns about, 38, 40 

 2-diml and S-dirnl, refs to vel and press data, 43-45 

 velocity and pressure diagrams for, 43 

 Bossing(s), advantages and disadvantages, 677 

 around shafts, design of, 682 

 contra-guide or deflection type, design rules, 686 

 endings, adjacent to propdevs, design of, 536 

 or struts, selection of, 677 

 short, design of for ABC ship, 685 

 termination of, 684, 747 



Bossing(s), transverse section shapes, 683-685 



twin-screw, section shapes for, list of refs, 683 

 vertical, as docking keels, 686 

 wetted surface, calculating procedure, 108 

 Bottom anchor installation proposed for ABC ship, 558, 559 

 Boundary, change of added mass in unsteady motion near 

 a large, 432 

 -layer characteristics, data on and prediction of, 95 

 thickness, calculation for ABC ship, 109, 110 

 effect of on ship drag calculations, 213 

 variation with x-distance from stem, 95, 96 

 velocity profiles for two ships, 97 

 Boussinesq number, definition and use of, 16 

 Bow; see also Stem 

 Bow, abovewater section shapes at the, 551 



bulb, analysis of Taylor resist data by Ferguson, 511 

 anchor installation under the bottom, 558 

 cavitation, check on, 514 



comparison of resist with that of normal bow, 512 

 design for ABC ship, 511 

 lanes for, 509 

 notes on, 508, 509 

 parameters, 485 

 rules of W. C. S. Wigley, 510 

 layout diagram, 513 



for ABC ship, 510 

 position and proportions of, 485, 508-514 

 shaping of, 513 

 single-ended ovoid for, 514 

 systematic resistance data for, 510-512 

 diving plane(s), design rules for, 736 

 profile(s), 491 



for ABC ship, 511 

 propeller(s), coupled and free-running, design, 632,792 

 housing, design of, 797 

 separate shafts for, 792 

 raked, possible advantages of, 507 

 rudders, design of, 735 

 shaping, for confined waters, 667 

 snubbing of, for ease of construction, 508 

 temporary, design of, for damaged ships, 781 

 -wave crest, height and position, estimate of, 244 

 lag of abaft stem, 245 

 Bowers (W. H.) cavitation criteria, 155 

 Box-shaped forms, self-propelled, design notes, 779 



holds, design of dry-cargo ships with, 762 

 Bracket, shaft; see Strut 

 Bracketing design technique, 458 

 Brake horsepower ; see Power 

 Breakwaters, deck, design of, 554 

 Bridges, pontoon, floats for, 782 

 Bulb bow; see Bow and Stern 

 Bulge(s) ; see also Blister 



prediction of ship flow pattern at, 248-257 

 side, design of, 517 

 underwater, design of, 768 

 Bulged fender strakes, design notes for, 560, 769 

 Bulk modulus, fresh and salt water, 923 



volume, calculation of, for a submerged body, 322 

 for a submarine, definition of, 457 

 Bulwarks, design of, 554 



freeing ports and slots in, 554, 555 

 Buoyancy, balance, longitudinal, first approx, 497 

 center of, shifts in CG position to suit, 498 



