SUBJECT INDEX 



High-speed photography. See Photography, high- 

 speed. 

 High-speed spark camera, T-207, T-213 

 High-speed towable target. See Target, high- 

 speed towing. 

 High-voltage d-c povfer supply, regulated, ^6^ 

 Hip roof, pressure distribution on, T-ll 6 

 Homing device, for air-sea rescue v;ork, 659 

 Hot-wire measurements, theory of as a velocity 



meter, 'J2H- 

 Hot-wire method, for turbulence measurements in 

 vjater, JZB 

 for velocity measurements in water, 592, 67O 

 H.S.V.A. See Model Basin, Hamburg. 

 HUGHES (DDUlO), noise survey of, full-scale, R-1 

 Hull, amphibian, tests for, model, 159 

 Aquaflovf, tests of, model, 669 

 design of, in relation to frictional resistance, 



model ,117 1 

 Interaction v.'ith propeller, model, ^1-70 

 seaplane. See Seaplane hulls, 

 smooth-bottom planing, tests of, model, 669 

 structure of, impact loads on, full-scale, ^88 



service strains on, full-scale, U67 

 submarine. See Submarine hulls. 

 Hull forms, geometry of, 710 



of minimum resistance, T-69 

 Hull vibration, calculation of flexural modes of, 

 632, 706 

 calculation of frequency of, 582 

 full-scale, 263; R-29U 

 model, 3B2 [T-7], 395 



steady-state, calculated by digital process, 715 

 Hunter-Killer Ship. See specific class, e.g.. 



Cruiser (CLK), Destroyer (DDK). 

 HVAR's. See Aircraft rockets. 

 Hydraulic flow, turbulent, T-173 

 Hydrodynamic flow, 4-85 

 Hydrodynamic forces, on anchor cable, R-317 



on stranded cables, 713 

 Hydrodynamic Increase in mass, in oscillating 



bodies, T-n8 

 Hydrodynamic noise, development of hot-vjire 

 methods for velocity measurements in 

 v;ater, 592 

 Hydrofoils, hydrodynamic characteristics of, 341 

 Hydroplane. See Hydrofoils. 



Hydrostatic tests, of valves, high-pressure steam, 

 633 

 of valves, high-pressure steam, from ex-German 

 Destroyers Z-37 and Z-39, 596 

 low-pressure v.'ater, 637 

 on submarine rescue chamber, YRC-6, 631 

 model, 315 

 Hydrovane Wing T, model experiments for, 25, 3^ 

 Hydrovanes , experiments on seaplanes with and 

 without, 80 



Ice Breaker, BURTON ISLAND (AG88), rolling charac- 

 teristics of, model, 685 

 Illumination, for subsurface camera, 688 

 Illustrations, preparation of, R-T 28 

 Impact, effect of, k8l , 572 



measurement of, R-2'-l-6 



on free-edge plates, 4-88 

 Impact vjaves, in v;ater, measurements of,«T-213 

 Impedance method, solution of vibration problems 



by, R-226 

 Implosion pressure vjaves, T-107 

 Inconel, modulus of elasticity of, R-1 6 

 Index of technical information, author, 597 



miscellaneous, R-211 



Model Basin reports, 597 



subject, 597 



translations, 597 

 Indexing, time-saving method of, R-277 

 INDIANA (BB58), vibration in propelling machinery, 



5^7 

 Induced current, in a-c meter disk, T-130 

 Inertia-operated trigger, for use with reed gage, 



mathematical analysis of, 654- 

 Inland Tanker, single-screw,, model tests of, 6II-O 

 Instructions, for condenser-type pressure gage, 

 operation of, 680 

 for preparation of correspondence by duplicating 



process, R-356 

 for preparation of illustrations, R-1 2-8 

 for preparation of letter correspondence, 556 

 for typing and layout of reports and transla- 

 tions, R-225 

 for preparation of technical reports, 6l 6 

 Instruments, for vibration and shock measurement, 



563 

 insulation, against sound, T-99 



