83 



SUBJECT INDEX 



BLACK FALCON, standardization trials on, full- 

 scale, 344 

 Blast load, response to, 572 

 Blast pressure, measurement of, R-282 

 Blast tests, on hatch seal locks, T-l 91 

 Blasting, shock waves produced by, T-1 02 

 Bodies having specified critical cavitation 



numbers, development of, 647, 668 

 Body of revolution, as form for displacement 

 float, 573 

 boundary layer and drag of, 726 

 designations of, T-220 

 elongated, calculation of flow about, 761 

 immersed, wave resistance of, 758; T-234 

 mathematical definition of, 719 

 Boeing amphibian hull, tests for, model, 1 59 

 Boiler construction code, A.S.M.E. , 329 

 Boiler heads, stresses in, T-1 43 

 Bomb, effect of, on reinforced concrete, T-1 65 



techniques for, T-215 

 Bossings, effect on steering, model, 331 

 effect on turning, full-scale and model, 

 397. 403 

 Bottom, double, effective width in, T-50 



ships' , fouling of, 398 

 Bottom paint, effect on frictional resistance, 



789 

 Boundary layer, effect of turbulence stimula- 

 tors on, 724 

 of body of revolution, 726 

 of ship models, turbulence in, 662 

 resistance of, 193, 227, 267, 275, 333 

 turbulence in, method of detecting, 662 

 turbulent, calculation of, in pressure 

 gradient, 752 

 Box girders, effective width in, T-50 



stress on, 441 ; T-28 

 Brake, water, type "Poettinger, " ~[~\ 1 

 Brakes, hydraulic, theory of, 482 

 Brazilian battleship, SAO PAULO, mast vibration 



on, full-scale, 10 

 BRAZOS, natural frequency of, full-scale, 263 

 Bridge, resonant, for condenser-type pressure 

 gage, 625 

 resonant, for condenser-type pressure gage, 

 instruction manual for, 680 

 for measurement of capacitance changes, 626 



British frictional-resistance coefficients, 



conversion of, 657 

 British method of testing self-propelled models, 



T-1 27 

 Bubble generators, R-83 

 Bubble screen. See Air-bubble screen. 

 Bubbles, cataphoresis of, T-1 37 



damping effect of, T-1 58 



industrial uses of, R-83 



pressure waves around, 517 



shape and size of in liquids, 727 



vertical motion of, 510, 727; T-1 32, T-1 46 



See also Air bubbles; Gas bubbles; Gas globe. 

 Buckling, experimental tests in, T-29 



of compression members, T-30 



of plates, T-31 , T-32, T-64, T-66, T-78 



of thin plates, T-64- 

 Buffers, 482 



Bulkheads, for submarines, model tests on, 280 

 Buonocore propeller, T-1 63 

 Buoyancy, reduction of, by submergence, R-196 



relative, of various materials, R-196 

 Buoys, current -indicator, resistance and stabil- 

 ity tests, model, 667 



for sono-radio equipment, model, 550 

 BURTON ISLAND (AG88), rolling characteristics 

 of, model, 685 



CABLE, anchor, hydrodynamic forces on, R-31 7 

 anchor, tables for computing equilibrium of, 



687 

 flexible, tables for computing equilibrium 



of, 687 

 for towing, deep -towed body at high speed, 

 theoretical requirements for, 66l 

 forces in, full-scale, 584, 589 

 optimum length of, 717 

 resistance of, 4-18, 666 

 tables for computing equilibrium of, 687 

 tension in, 422, 533, 595. 666 

 stranded, hydrodynamic forces on, 7" 1 3 

 Cable function tables, 687 

 Calculated stresses, determination of error in, 



600 

 Calibration, of condenser-type pressure gage, 

 625 

 of gages, 4-68, 476, 627; R-24-4, R-246, R-245, 

 R-269 



