INDEX 



Shipboard electrical systems-Continued 



properties of A-C circuits, 504 



safety precautions, 518 



synchros and servomechanisms, 516-518 



transformers, 507-509 

 Single-furnace boilers, 251-255 

 Speed-limiting governors, 434 

 Sprinkling systems, 228 

 Stability and bouyancy, 34-60 



inclining movements, 36 



influence of metacentric height, 38 



metacenter (M), 37 



metacentric height (GM), 38 



principles of stability, 34-39 

 Stability curves, 39-42 



cross curves, 41 



effects of draft on righting arm, 39-41 

 Stability-principles of, 34-39 



displacement, 34 



impaired stability-causes of, 59 



inclining experiment, 42-44 



KB versus draft, 35 



longitudinal stability and effects of trim, 56- 

 59 



loose water effects of, 52-56 



reverse bouyancy, 36 



stability curves, 39-42 



weight shift-effects of, 44-49 



weight changes-effects of, 49-52 

 Standards of measurements, 124-127 

 Static electricity, 492-495 

 Steam and fresh water drains, 219-221 

 Steam distilling units, 456-468 



flash-type, 460-463 



submerged tube, 456-460 



vertical basket, 463-468 

 Steam escape piping, 213 

 Steam machinery-development of, 3-7 

 Steam systems-auxiliary, 206-211 

 Stern tube and strut bearing, 96-98 

 Steam turbine propulsion plant, 333-347 

 Stop-check valves, 376 

 Strainers and filters, 371 ■ 

 Stroboscopic tachometers, 149 

 Structural damage-repair of, 71-73 

 Submarines-development of, 12-14 

 Synchros and servomechanisms, 516-518 



Thermal energy-Continued 



heat transfer, 162-167 



heat transfer appratus, 169-171 



internal energy, 161 



sensible heat and latent heat, 167-169 



units of measurement, 162 

 Thermionic converters, 636 

 Thermocouple pyrometers, 134 

 Thermodynamics-introduction to, 157-190 



carnot principle, 182 



cycles, 178 



energy, 157-171 



energy balance, 190 



energy relationship in the shipboard propul- 

 sion cycle, 188-190 



entropy-concept of, 181 



first law of, 171-173 



processes, 173-178 



second law of, 180 



reversibility-concept of, 179 



systems, 173 



working substances, 183-188 

 Thermodynamics processes, 173-178 



flow-type of, 175-177 



state change-type of, 177 

 Thermoelectric converters, 636 

 Thermostatic recirculating valves, 384 

 Thermostatic steam traps, 367 

 Throttle control, 649-652 

 Top-fired boilers, 256 

 Transformers, 507-509 

 Twin-disk clutch and gear mechanism, 584 



Unloading valves, 384 



Valve manifolds, 384 



Vapor compression distilling units, 



Variable stroke pumps, 400-403 



Velocity head, 395 



Vent condenser, 354 



Vital services-restoration of, 73 



451-456 



Thermal energy, 161-171 

 heat, 161 



Washdown. systems, 228 

 Wheatstone bridge, 500 

 Winches, 528 

 Wirerope system, 526 



659 



■iX U.S. GOVERNMENT PRINTING OFFICE : 1979 O— 299-962 



