SUBJECT INDEX 



963 



Lme(s), -of -flow diagrams for ship models, 248 

 of flow, in ballast condition, 257 



observed on models, 873 

 sheer, for various ship types, 550, 551 

 ship, mathematical, formulas for delineating, 187 

 limitations of, 192 

 references relating to, 204 

 use of for ships, 186, 193 

 with developable surfaces, 765 

 sources and sinks, definition of stream functions, 60 



use of for 2-diml forms, 59 

 Taylor Standard Series, 224 

 Lips on condenser scoops and discharges, 701-703 

 Liquid(s), common, elastic characteristics, 922 

 entrained, mass of; see Mass 

 flow, general formulas relating to, 7 

 ideal, flow patterns for, 31 



velocity and pressure diagrams for, 31 

 mass, added; see Mass 

 mechanical properties, gases and, 924 

 velocity and pressure diagrams for, 31 

 Lissoneoid of Rankine, diagram of, 208 

 List; see Heel 



Load distribution, equalizing among multiple props, 573 

 Locality fouling factor, definition and use of, 122 

 Locating echo-ranging gear on merchant vessels, 705 

 propdevs on a ship, 368 

 propeUing machinery in a ship, 443, 570 

 Locks, canal, predicting ship resistance in, 413 

 Logarithmic propeller-series charts, 588-590, 593 

 Logarithms of numbers frequently used, 932 

 Longitudinal, buoyancy balance, first, 497 



center of buoyancy, usual positions for, 486 



gravity, to fit LCB, with good hull lines, 498 

 curvature, analysis, notes on, 195 

 flowplane, 199 

 in shallow-water design, 665 

 0-diml, graphic determination, 196 

 discontinuities above water, design, 560 

 maximum-area section, optimum positions for, 482, 



483 

 position, heavy weights, in planing craft, 850 

 prismatic coefficient, selecting, 467 

 weight balance of a ship, first, 497 

 Low-aspect ratio hydrofoils, behavior as lifting surfaces, 



866 

 Low ship speeds, resistance data for, 306 



Mach number, definition and use of, 7 

 Machinery, propeUing; see Propelling 

 Magnus Effect on exposed rotating shafts, 678 

 Main-ballast systems of submarine, description of, 811 

 Maneuvering, and steering, behavior, first approx, 501 

 swinging props for, 737 

 turning, model tests, 876 

 astern, rudders for, 735 



behavior, first approx, in prehminary design, 501 

 diagram, for ship requirements, 451 

 requirements, absolute size as a factor in, 452 

 in ship design, 450 

 propdev design to meet, 580 

 submerged, on a submarine, 813 

 swinging props for, 737 

 Mass, added liquid, assumptions when calculating, 417, 418 



Mass, added liquid, calculation procedure for a ship, 432 

 change of, near a large boundary, 432 

 coefficients, definition of, 419 



estimated, for vibrating propdevs, 436 

 ships, 433 

 data for large, thin, vibrating cantilever, 439 

 water around appendages and skegs, 438 

 effects, partial bibliography on, 439 

 entrained water around a ship in unsteady motion, 417 

 for bodies with fore-and-aft asymmetry, 422, 423 

 elliptic sections, 427 

 floating streamlined bodies, 422 

 geometric shapes, 419-423 

 selected modes of motion, 419-423 

 submerged spheroids, 422 

 Mass density, Hquids and gases, 924 

 reference data on, 94 

 "standard" fresh and salt water, 915, 918 

 Masts, design to reduce wind drag, 566 

 Materials, propeller, to resist erosion, 635 

 Mathematical and 0-diml representation of ship surf, 189 

 calculation of wavemaking drag, assumptions in, 212 

 deUneation of section-area curve, 198 

 determination of selected points on ship, 203 

 fauing of DWL entrance, ABC ship, 200-202 



section-area curve, 198 

 formulas for deUneating ship lines, 187 



faired fines, use of, 203 

 fines for ships, fimitations of, 192 

 practical use of, 186, 193 

 references for, 204 

 methods for calculating pressure resistance, 206 

 delineating bodies and ships, 186 

 fairing ship fines, 199 

 necessary improvements in, 219 

 predicting pressure resistance, 321 

 present fimitations of, 2 

 representation of ship surface, 189 

 sections for ships, 191, 193 

 (theoretical) surface waves, data on, 160 

 Mathematics, proper use of in engineering problems, 3 

 Maximum, -area section, optimum long'l position of, 482, 

 483 

 -section coefficient, selecting, 468, 469 



contour, layout, 476, 477 

 WL beam, best fore-and-aft position, 481 

 Mean-width ratio of screwprop blades, formula for, 341 

 Measurement(s), abbreviations for units of, 912 

 Engfish units of, 926 

 ratios between, 926 

 Mechanical construction of screwprops, 633 

 properties, air and exhaust gases, 922 

 fresh and salt water, 920 

 other liquids and gases, 924 

 water, air, and other media, 915 

 Mechanism, paddlewheel, design notes, 645 

 Median line of contra-guide features, 533 

 Merit factors, for predicting shaft power, 380 



Telfer, for ABC ship, 895 

 Metacenter, height above basefine, 479 

 Metacentric stability, and pendulum, on submarine, 912 

 dynamic, check of, 553 



definition of, 443 

 first estimate of in preUminary design, 478 



