97 



SUBJECT INDEX 



Noise survey [Continued] 



of WICHITA (CA45) , full-scale, R-1 5 

 Nonlinear boundary-value problem, T-192 

 Nonlinear mechanics, analytical methods, 5H-6 



nonlinear resonance, 55^ 



relaxation oscillations, 564 



topological methods, 534 

 NORTH CAROLINA (BB55), retardation after 

 launching, model, R-24 



vibration data for, full-scale, 518 

 Notch stress, T-74 

 Nozzle, venturi-type, critical pressure for 



inception of cavitation in, 770 

 Numachi nozzle, critical pressure for incep- 

 tion of cavitation in, 770 



NA 810-060, 



625, 



680 







NE 051-427 



606, 



692 







NS 01 1 -043 



709 









NS 123-012 



637, 



638 







NS 700-001 



772, 



789 







NS 711-001 



699 









NS 711-002 



603, 



613 







ns 711 -no 



720 









NS 712-064 



693, 



739, 



762 





NS 712-065 



632, 



706, 



715 





NS 713-049 



700 





/ 





NS 713-065 



575. 



770 







NS 713-201 



743 









NS 713-219 



766 









NS 715-084 



752, 



758, 



761 





NS 7I5-O85 



734, 



745 







NS 715-086 



724, 

 769. 



726, 

 776, 



738, 7^0, 757. 764 

 782 



NS 724-001 



723, 



751 







NS 724-002 



7^9 









NS 724-004< 



l, 651 









NS 724-004 



». 570 









NS 830-100 



687 









NS 870-001 



704 









NS 880-019 



713, 



717 







NS 724-008 



610, 



6n, 



635, 636 





NS 731-038 



T-238 







NS 731-040 



, 736 









OBH frequency analyzer, 643 

 Ocean waves. See Wave, ocean. 



Oiler, A09-Class, rudders of, model, 268 

 A019-Class, propulsion and steering of, full- 

 scale, 350 

 BRAZOS (A04), vibration of, full-scale, 263 

 CUYAMA (A03), elasticity of, full-scale, 297 

 service strain on, full-scale, 467 

 vibration of, 263 

 elasticity of, full-scale, 297 

 NECHES (A05), vibration of, full-scale, 263 

 PATOKA (A09), rudder resistance of, model, 268 

 SALINAS (A019), propulsion and steering of, 

 full-scale, 350 

 vibration of, full-scale, 263 

 OKLAHOMA (BB37), natural frequency of, full- 

 scale, 263 

 One-way traffic in a restricted channel, 579 

 Optical system, of twenty-lens high-speed 



motion-picture camera, R-345 

 Optograph, use of, T-211 

 ORANJE, design of, model, T-128 

 Ore carrier, E.J. KULAS, vibration survey of, 

 full-scale, 762 

 660-foot, model tests of, 671 

 Orientation, of suspended body, R-37 

 Oscillating bodies, hydrodynamic increase in 



mass in, T-118 

 Oscillations, measurement of, in high seas, T-26 

 of gas globes in underwater explosions, T-209 

 of ships, determination of virtual mass for, 



T-225 

 relaxation, 564 



self -excited, entrainment of, T-170 

 Oscillator, sweep, 483 

 Oscillograph, electrographic , T-151 

 Oscillograph loops, T-I52 



PADDLEWHEELS, model tests with, 176 



Paint. See kind of paint, e.g., Bottom paint, 



Hot plastic, Zinc chromate. 

 Pallograph, 563; T-176 

 Panama Canal, model tests for design of, 601 



restricted channel tests for, 579, 601 

 Parachutes, for bombs, mines, and torpedoes, 



development of, T-215 

 Paraffin models versus wooden models, 319 

 Paraffin models. See Wax models. 

 Parallel cylinders, flow about, 485 

 Parametric excitation, 558 



