lOh 



SUBJECT INDEX 



United States Naval Technical Mission in Europe, 

 diary of a member of, R-365 



Valve, for mixing steam and vjater, 219 

 Valves, high-pressure steam, from ex-German 



Destroyers Z-37 and Z-39, hydrostatic 



tests of, 596 

 high-pressure steam, hydrostatic tests of, 638 

 low-pressure water, hydrostatic tests of, 637 

 Vanes, for stabilizing ships, model, R-130 

 Variable-Pressure water tunnel, 12*inch, 



propeller testing procedure, 505 

 V-bottom motor boats, resistance of, model, 



R-35.R-^7 

 V-bottom torpedo boats, turning tests of, 



model, R-36 

 Velocity, measurement of, by photoelectric 



time-interval meter, R-21U 

 Velocity of water, development of hot-wire 

 methods for measurement of, 592, 670 

 measurement of, by dye diffusion, 7OO 

 Velocity meters, 563; T-lUl 

 Velocity pickups, 5^3 

 Ventilating apparatus, portable, tests on, 52 



tests on, 96, 119, 14-9. 198, 200, 210 

 Ventilation, through deadlights, 19O 

 Ventilation ducts, for warships, 55 



obstruction in, 56, 91, 1 U9 

 Vibration, axial, of propulsion systems, full- 

 scale and model, 55^ 

 damping of, UU9; T-39, T-kO, T-109 

 hull, calculation of flexural modes, 632, 706 

 steady-state, calculated by digital process, 



715 

 measurement of, T-I76 

 instruments for, 5^3 



theory and practice of devices for, T-51 , 

 T-141 

 of destroyer DD141 , full-scale, 372 

 of hulls. See Vibration, of ships. 

 of mast, on SAO PAULO, 10 

 of propelling machinery, full-scale, 518, 



5^1, 551 

 of shaft bossing, on HAMILTON (DDlUl), full- 

 scale, 305 

 of ships, calculation of frequency of, 582 

 full-scale, 263, 382 [T-7], 395; T-166, T-176 

 model, 382 [T-7], 395 

 pallographic measurement of, T-176 



Vibration [Continued] 



of skegs, on WASHINGTON (BB56) , full-scale, 



R-22 

 recorded by scratch process, T-1 3 

 supersonic, dispersion of in liquids, T-IU7 

 Vibration data, for HAMILTON (DDIlfl), full- 

 scale, 372 

 for MIDWAY (CVBl+1), full-scale, 69O 

 for NO5TH CAROLINA {BB55), full-scale, 518 

 for USCGC PONTCHARTRAIN (WP670), full-scale, 

 R-29'l 

 Vibration gage, R-l89, R-2U6, R-267; T-1 3 J 

 Vibration generator, TMB, construction and opera- 

 tion of, 52U 

 Losenhausen, 539, 55*+ 

 Vibration manual, for engineers, R-1 89 

 Vibration neutrallzers, for ships, T-1 2 

 Vibration pickups, 5^3 

 Vibration problems, solution of by impedance 



method, R-226 

 Vibration tests, on dynamically loaded ring, 704- 

 Vibrograph, 563; T-1 41 



Mare Island, calibration and performance of, 6l2 

 Puget Sound, calibration and performance of, 693 

 Vlbrometer, 563; T-1 4-1 

 Victory ship, model tests of, 6U0 

 Virtual mass, for oscillations of ships, method 



for determining, T-225 

 Visitors, to David Taylor Model Basin, manual for, 



569 

 Voith-Schneider cycloldal propellers, trials 



conducted, full-scale, 649 

 Voltage regulator, electronic, 502; R-51 

 Vortices, separation of, T-1 84 



Wake, control of, T-35 



experimental definition of, T-60 



measurement of, vjith ship models, T-57> T-72 



of submarine periscope models, R-1. 52 

 Wake survey, of torpedo, Mark 15, 5^3 

 V/ar vessels, remodeling of,- T-82 

 WARE. See CHARLES R. WARE. 

 WASHINGTON (BB56) , launching of, model, R-24 



propeller machinery of, vibration of, full- 

 scale, 518 



skeg frequency of, full-scale, R-22 

 VJater, effect of air content on cavitation in, 575 



heating of, by mixing with steam or hot water, 

 219 



