100 



SUBJECT INDEX 



Stiffeners [Continued] 



tee, compressive strength of, U45 

 elastic stability of, k^J 

 Stiffening rings, effect of, on cylindrical 



shells, 396 

 Strain, plastic, formulas for, 503 

 plastic, on steel plates, 532; R-14-2 

 service, on BAGLEY (DD386), full-scale, R-6 

 on hull structures, full-scale, I67 

 technique and procedure of testing, U68 

 See also Stress-strain. 

 Strain characteristics, of wire, R-21 2 

 Strain distribution. In fatigue test, hlU- 

 Strain gage, 563 

 calibration of, 468 

 comparative tests of, R-282 

 Experimental Model Basin, 292 

 functions and types of, ^■68 

 hand, 285, 292 

 portable, 272, 292 

 pressure, 523; R-157 



wire-resistance. 278, 627, 6l|5; R-212, R-213, 

 R-251J-, R-351; T-l6f|, T-183 

 for measuring large strains, 570 

 for testing ship appendages, 692 

 Strain indicator, Tjrpe 1A, carrier type, 565 

 Type TA, carrier type, manual for, R-35"' 

 Type 5A, 645 



T^rpe 13A, manual for, 608 

 Type 15x160, carrier type, manual for, 648 

 Strain measurement, on BAGLEY (DD386) , full- 

 scale, R-6 

 on CL5I-54, model, R-9 

 on dlesel engine, full-scale, R-1 54 

 on SAN FRANCISCO, full-scale, T-11 

 on ships underway, full-scale, T-97 

 on submarine rescue chamber, model, 315 



YRC-6, 631 

 on valves and fittings, high-pressure steam, 

 596, 638 

 low-pressure water, 637 

 with ring -type pickup, T-1 64 

 vjith v;lre -resistance strain gages, 570 

 Strain-rosette data, 45°, graphical solution 



of, 600 

 Streamlines. See Plow. 

 Strength, in ships, T-2, T-1 7 

 of materials, 294 [T-4] 



Strength [Continued] 



of submarines, T-38 

 Stress, distribution of, in beams, curved, T-228 



dynamic, measurement of, T-65 



elastic, T-1 05 



in thin-walled tubes, T-226 



formula for, T-28 



in beams , 529 



in boiler heads, T-1 43 



in knees of frames, 529 



in plates, T-78 



in rotating shafts, R-54 



in shock testing machine, 536 



in thin-walled tubes, T-33 



lines of, 291 



notch, T-74 



on box girders, T-28 



on ship members, T-92 



on ships underway, full-scale, T-97 



tangential, in thln-walled tubes, T-226 



unit, 294 [T-4] 



See also Shear; Tension. 

 Stress-strain characteristics of formica, R-74 

 Stressed plate, load capacity on, T-76 

 Strlatlon phenomenon, 573 

 Stroboscope, 563 



AEG light-flash, T-1 90 

 Structural models, multidirectional loading of, 



frame for, 599 

 Structural steel, toughness of, 622 

 Structures, elastic, impact on, 48l 



elastic, static loads in, 507 



resistance of, to explosive loads, R-30 

 Struts, effect of, on steering of twin-screw 

 ship, 331 



effect of, on turning, 397, '^■03 

 Stuffing boxes, friction in, 360 

 Submarine, bulkheads for, model, 280 



cruiser, steering control of, model, 86 



design of. See cylindrical shells, tubes, etc. 



fleet, steering control of, model, 115 



German, UI81-19O, steering control of, model, 64 

 ex-, U111, steering control of, full-scale, 41 



midget, German V-80, dynamic stability of, from 

 wind--tunnel tests, T-227 



03-10 Class, steering control of, model, R-1 36 



1750-ton, steering control of, model, R-1 37 



1600-ton, steering control of, model, R-1 34, 

 R-1 35 



