None
Examples of Steam Turbine Plants, see Steam Turbine Plants Exciters, see Steam Turbine Plants, (72) Exhaust Pressure, see Pressure Expansion, Adiabatic, of Steam in relation to Energy, 355, 356-7 External Pressure, see Pressure Fans coupled to Rateau Turbines, 288 Firms building various Turbines, see under names First Cost of Steam Turbines, 2, 3 <fe tables Flexible Bearings, see Bearings (Jouplings, see Couplings Shaft, see Shaft Floor Space, see Dimensions Foot-pound, (ft -lb.), defined, 18 Footstep Bearing, see Bearings Foundations, 441 et seq. Jig. 442, table, 448, i7/., 444 for A.E.G. machines, lightness of, 291 Frankfort Electricity Works, Brown- Bo veri - Parsons Tu rbo - Dynamo at, 135, ills., 137, lSS,<bsee table, facing 166 Fraser k Chalmers, makers of Rateau Turbines, 234, see Uls. 227 etc. French Naval Torpedo Boats with Rateau Turbines, details of, table, 786, ill., 788, tests of duplicate turbine, 740, Uible, 637 ; propellers of, ill., 789 French-made Turbines, see Rateau Friction in de Laval Turbines, Losses due to in Bearings, 78 of Steam, travelling over Vanes, 77. due to Turbine Wheel revolving in Steam, 71 798 INDEX Friction in {continued) — Parsons Turbines, due to difference of density in medium in which wheel revolves, 120 Union Turbines, how reduced, 335 Fuel, Calorific Values of, see Coal. Fulham Electricity Works, London, CurtisTurbo-Altematorat, 218, 437 tMU^ ill,, 668 Fullagar, H.F., method invented by, for fixing Blades, 127-8, 161, /y»., 127, 128-30, t«., 139, claims made for the plan, 129 Full Load, see under Steam Consumption Gearing, Speed-reduction, (de Laval), Losses in, 78 Gears, Pinions, Shafts, and Bearings, (de Laval) 971 Data of, tabU, 98 et seq. General Electric Co., U.S.A., makers of (^rtis Turbines, 212 German Turbine Cruisei-s, Torpedo Boats, and Merchant Steamers, details of, table, 742 et seq. ; Turbine room and Turbines of a Torpedo Boat, ills., 746, 747 German-made Turbines, see A.E.G., Elektra, Riedler-Stumpf, Union, and Zoelly Gesellschaft fiir Elekbische Industrie, of Karlsriihe, makers of the Elektra Turbine, 820 Glands, in the Curtis Turbine, 205 BA\te&\ido., 286 Zoelly (io., 264 Going astern, in Turbine Vessels, 636 arrangements for, in Tur- binia (1st), 638, do, in Vessels of the Cunard Co. , ill,, 720 Governors, {see also Steam Turbine Plants, (59, 60), in various makes of Turbine, A.E.G. Safety, 296 Curtis, 194, 199, UU, 196, 197, Jig., 198 Valves in, 197-9, figs., 198, 200, 201 Emergency, 201, ill., 196, fig., 201 de Laval, 104-6 Hamilton-Holzwarth, 814, 817-8, fig,, 318 Rateau Governor and Compensator, 234, fig. facing 234 Riedler-Stumpf, 277 Union, 332, figs., 883, 334, 336 Governors {continued)— Zoelly, 262-3, figs., 261, 264 Emergency, 263 Grauert, 13, cited on Riedler-Stumpf Turbo- Generating Set, 286-7 Halt Load, see under Steam Consump- tion Hallside Works, Steel Co. of ScotUnd, Rateau Heat Accumulator at. 253-4, figs., 233, 269, d: facing 252, ills., 255, 256 Halpin, D., Heat-storing system patented by, 247 Hamburg, German Turbine Cruiser, 742 710^ Hambui^ - American S.S. Co., Turbine Steamer of, details of, tabl^, 742 et seq. Hamilton-Holzwarth Turbine, compared with others, 307, ill., 312, figs., 313, 314 Dimensions etc. and list of, Direct-coupled with generators, table, 319 General Description of, 807 et seq. Bearings, 816-7 Bed-plates, 311, 316 Casings High and Low Pressure, 311 <t note, 814, 316 Condenser, 814 Governor, 814, S17-S, fig., 318 Lubrication. 317, 318 Shaft, 309 Subdivisions of, and flexible coup- lings, 315-6 Stationary Discs, see Vanes, infra Stuffing Boxes, 316-7, fig., 817 Valves, Main inlet, how controlled, 811 Regulating, 811 Vanes, 307, 309-11, figs., 809, 810 Stationary, (or Discs), 309-11, figs., 310, 311 Wheels, built up, 307, 808-9, figs., 809, 310 Peripheral Speed, 309 Steel band round, outside Vanes, use of, 309, 811 Steam in admission to, 31 1 hi^h pressure, injector action, occasional, given to, 814 leakage, elimination of, 809, 816-7 passage through, and expansion in, 807, 811-14, 316, /<y., 808 varying velocijj^ of, 307 Harrogate, Curtis Turbo-generator at, 750 K.W. with Allen's . .. Bubbase Surface Condenser, 218, fig., 224 INDEX 799 Heat Accnmulator Rateau, 250, 26S, figs,, 257» 258 Regenerative, (Rateau) 326-7, 246-50, figa., 248, 249, 258 Energy, and Work Units, see Energy Work and Heat, do. in Liquid, or Sensible Heat, (S)., 841, tables, 342, 845 Latent, (L.), 841 External, during Superheating, 350 Internal, (L,), 848 Specific, 850, fig. 351 Total,(H.), 849, 850 Sensible, (S. ), see Heat in Liquid, supra Storage, Halpin's patent for, 247 Hero's Turbine, 24-5 High Pressure Supplementary Rateau Turbines. 252 Hoovens-Owens-Rentschler Co., Hamilton U.S. A., makers of the Hamilton-Holzwarth Tur- bine, 807 Horse-Power, (H.P.), defined, 19 Horse- Power Hour, (H.P.H.), defined, 18 Hub of Wheel, Riedler-Stumpf Turbine features of, 275-6, figs,, 274, 276, 278 Hucknall-Torkard Colliery, Rateau Heat Accumulator at, 250, 268, >^«.,267, 258 Hum of High Speed, how said to be eliminated, (Westing- house), 149 Hyacinth, H.M.S. Cruiser, Steam Con- sumption of, 685,^., 634 Impulse and Reaction Turbines, Difference between, Rateau on, 228-9 note O LuUpendance, Turbine Steamer, details of, tai>les, 681, 784 Internal Losses, (de Laval), see Losses Invicta, Turbine Steamer, details of, tables, 681, 684 et seq, j£T Condensers, see Condensers Joule, defined, 18 note KAISER, German Turbine Merchant Steamer, details of, tables, 681, 742 et seq. Turbines of, HI, 777 i Kilogram -Calorie, (Kg. C), defined, 17 Kilogram-Calorie, (one, per second, or i Kg.C.S.), defined, 19 Kilograms of Steam raised, per kilogram of Coal, 868, 364 ik tabU Kilowatt, (K.W.), defined, 19 Kilowatt hour, (K.W.H.), or Board of Trade Unit, defined 17 <<* note King Edward, Turbine Steamer, details of, and comparison of, with Piston Engine Vessel, tables, 630, 664 et seq., ill, 668 Kingfisher, Turbine Steamer, 682 L. Street, Boston, see Steam Turbine Plant Lasche, 0., and the A.E.G. Turbine, 290 Latent Heat, see Heat Leakage, between Nozzles and Vanes, (de Laval), Losses due to, 70 in proportion to Clearances, (Parsons), 120 Lengths, Equivalent Measures of, (English and Metric), table, 20 Lhassa, Turbine Steamer, details of, tables, 681, ^%betseq, lAbellvZe, Turbine Yacht, 686, details of, taJbles, 681, 669 etseq. Lift Pumps, see Pumps Lilienthal's Reversing Nozzle, 280-2, fi^g,, 282 Linga, Turbine Steamer, details of, tables, 681, 685 et seq. Liquid, Heat in, 341, tables, 342, 845 Loads, see under Steam Consumption sub- head of each Turbine and of Piston Engines L.B. k S.C.R., and Chemin de Fer de rOuest, Turbine and Reciprocating Engines, Steamers of, tables, 680-1, 685 et seq. Londonderry, Turbine Steamer, details of, table, 630, 692 et seq. Plans and sections, fig,, 698, position of Starting platforms in, 704 Loongana, Turbine Steamer, details of, taUes, 681, 685 et seq, Lorena, Turbine Yacht, details of, tables, 6S0, 669 etseq,, ill,, 672 Condensers in, table, 437 Losses, Internal in the de Laval Turbine 1. Nozzle Losses, 68, table, 69 2. Leakage <io., 70 8. Radiation e^., 70 4. Losses due to Friction of Wheel, revolving in Steam, 71, figs., 72-5 5. do, do, to Friction of Steam, travel- ling over Vanes, 77 6. do, do, to Bearing Friction of Wheel, 78 7. do, in Speed-Reduction Gearing, 78 7a. do, due to Wear of Vanes, 78 8. do, in the Dynamo, 80 9. do. due to Residual Kinetic Energy in Steam passing to Condenser, 80 800 INDEX Losses in de Layal Turbine {eanUnued) — Summation of the above, and peix)entage allocation, 81 Lots Road, Chelsea, see Steam Turbine Plant Low-pressure Turbines Curtis, described, 228, table, 224 Rateau, with Heat Accumulator, Steam Consumption of, effect on, of reducing Vacimm, tcU}Ie, 241 ; tests on, table, 2i6 Litbeck, German Turbine Cruiser, details of, tables, 630, 742 et nexi., ills., 744, 745 Lubrication, see Steam Turbine Plants (63) A.E.G. Turbine, 292 Curtis, (by water) 204 <fc fig. deLaval, 97,/5r., 96 Hamilton-Holzwarth, 317, 318 Parsons, 134 Oil consumption for different sizes, table, 135 Zoelly, 268 Lucania, see Campania and Lucania Lunka, Turbine Steamer, details of, tables, 631, 685 et seq. LtisUania, Turbine Steamer, 631, 716 MAHENO, details of, tables, 631, 685 iwte Mahroussa, Turbine Yacht, (Khedive's), table, 631 (detail 61 dinoU), 669 no^ Main Generators, see Steam Turbine Plants, (71) Main Steam Turbines, see Steam Turbine Plants, (56) Manxman, Turbine Stenmer, details of tables, 630, 692 et seq. Plans and sections, fig., 698 Position of Starting Platforms in, 704 Revolutions and Slips of Compared with Reciprocating Engine Vessel, table, 704 Steam to Glands etc., in, 709 Tests, table, 709 Turbine Room, ill., 703, Cross section, fig., 703 do., and Condensers, ilL ^ fig^^ 705 Marine Condensers in Some Turbine-Driven Vessels, 437 <fe table Lighting Plant, nrown-BoveriPrtrsons, 189,^., 190 Cost of, compared with that of equivalent Piston Engine Engine Plant, 190 Riedler-Stumpf, small Turbo-generator for, 286-7, /flr., 287 Marine Steam Turbines, and Turbine Vessels, 630 et seq. Comparisons with Reciprocating Engines, 632, tables, 648-9, 650-1 et seq., figs., 634, 655 relative Steam Consumption, 634-5 Marine Steam Turbines, eto. {continued) — Condensers in, 632, table, 487 Augmenter do,, 710 First Parsons Marine Turbine Ship, Tvfrbinia (1st), 636, HL, 637, tables, 630. 637, 639, 642, 643, 647, ;?9W., 638-9, 640-1, 645 Going Astern in, 636, 638, ill., 720 Governing Tifrbines in, 704, 709 Stopping from Full Speed, 646 List of Turbine Vessels, and Index to further Data, table, 630-2 Recent Torpedo- Boat Destroyers, 661-8. table, 663 Reciprocating Engines combined with, Economy of Steam (Con- sumption secured by, 636 Oil -consumption in, 783 Speed and Size Limits for, Rateau's and Winter's opinions cited, 632, 683, views of the Parsons Marine Steam Turbine Ca, 684, of Mr Speekman, 685 Starting Platforms in, position of, 704 Steam By-pass to Intermediate Stage in, 709 Turbines and Turbo-generators used in, A. E.G. 20 K.W., 292, fig., 298, tabU, ib. Curtis, Vane and Nozzle arrangement for, 195 Zoelly, 272 Maschinenbau-Aktien Gesellschaft Union, Essen, builders of the Union Turbine, 327 ** Mauritania,''^ Turbine Steamer, 631, 716 Mean Representative Results as to Steam Consumption, see under Piston engines, and under Steam Turbines % Mechanical Stokers, see Steam Turbine Plants, (44) Merz, C.H., Tests by, on a Curtis Turbo- Alternator at Cork, 217, table, 218-9 (cols. 6-11) Metre-kilogram, (m.-kg.), defined, 18 Metric system, use of, in its bearing on Continental rivalry with English - speaking coun- tries, 22 Metric and English Units Measures etc., see Equivalents in different units Midland Railway Co.'s Turbine and Rieciprocating Engine Steamers, tables, 680, 692 et seq, Mirrlees- Watson Surface-Condenser, Par- tick, 487, IZ/..486 Moabit 2000 H.P. Riedler-Stumpf Turbine described, 276, 278, 279, figs., 276, 277, 279, 290 INDEX 801 Modern Piston Engines, see Piston Engines Money, decimally expr^sed in this work, 23 Motherwell, see Steam Turbine Plant Mnlticellnlar Turbo- Alternator, (Rateau), 860 K.W., Tests of, table, 242 Multiple- Wheel TVpe of Turbines, see A.E.G., Parsons, Rateau, and Zoelly Turbines NARCISSUS, Turbine Yacht, detaUs of, tables, QZl, 669 et seq. Naval Vessels, with Turbines and Kecipro- cating Engines, compari- sons of, tables, 630-1, 648 et sea. Neasden, see Steam Turbine Plant New York Edison Co.'s New Waterside Station, 147, 209, note (2), 454, ills., 444, 455, 481 Newport Electric Lighting Power Station Curtis Turbine, details of, 214-7, tests on, table, 218-9, (cols. 1-4). Nickel Steel, employed in Wheels and Nozzles (Biedler-Stumpf), 276, 279 Nomenclature Expressions for Energy defined, 17, 18, table, 18 Board of Trade Unit, (B.T.U.), 17 iknote British Thermal Unit, (B.Th.U.), 17 <Cr note Foot-pound, (ft. -lb.), 18 Horse-power-hour, (H. P. H.), 18 Kilogram-calorie, (Kg.C.)i 17 Kilowatt-hour, (K.W.fl.), 17 itnoU Metre-kilograms, (K.g.m.), 18 Warme Einheit, (W.E.), 17 Practical Units for Power, 19 <& tables Horse- Power, (H.P.), 19 Kg.C.S., (one kilogram -calorie per second), 19 Kilowatt, (K.W.). 19 Non-condensing Parsons Turbine, see under Parsons Turbines Nozzles in different Turbines A.E.G., 291. 804, SOe, Jig., 805 Curtis, 191-4, 196, Jiqs., 194, 195 de Laval, 26, 27, 87, figs., 26, 27, 93, 94 losses in, 68, table, 69, tt see 70 Rateau, 229, 234, fig., 229 Riedler-Stumpf, and Lilienthal and Riedler-Stumpf, 278, 279, 288, figs., 274, 279, 280, 281, 280-2, 288,^*., 282, 288 Union, 327, 831, SS2, fig., 828 Nozzles, of different types Diveraing A.E.G., 291 de Laval, 26, 27, 87, figs. , 26, 27, 98,t94 Nozzles, Diverging (eontiuued) — Union, 881 Expanding CurUs, 191-4, 196, figs., 194, 195 Number of, 199 Rateau, 229, 284, Z^., 229 Reversing Lilienthal, and Riedler-Stumpf, 280-2, 288,;S^«., 282, 288 Nozzles and Vanes, Leakage between, (de Laval), Losses due to, 70 No, 1126, Turbine Steam Yacht, details of, tables 630, 678 et seq. Oerlikon -Rateau Turbines, described, 236 <fc noU, figs., 285, 287, 288, 240, 241 Dimensions, Outputs, and Speeds of, table, 236 100 K.W. Ul, 235, tabU, 286 1000 K. W. Test of, tabU, 245 Oil-Consumption in Lubrication, Parsons Turbines, various sizes, tabU, 135, Zoelly Turbine, 263-4 in Reciprocating Marine Engines, 783 Oil-cooling plant, su Steam Tiu-bine Plant, (64.) Oil-economy in Turbines and Piston En- gines, 404 Oil-supply, to Bearings, (Curtis), 201, 204, table, 202 ; Accumulator for, 205, (Parsons), func- tion of, 181 1000 and 1500 Kilowatt Sets, Tenders and accepted Prices for, 5-7 <fc tables Onward, Turbine Steamer, details of, tables, en, 684 et seq, Osborne, Turbine Yacht (King Edward's), table, 631 <6 note, 669 noU Osthoff, 0. E., tests by, on Curtis Turbo- generator, Oshkosh Gas Works, 220, table, 218-9, (cols. 12-14) Outputs, see Dimensions etc. Overall Length, see Dimensions etc. Overhead Travelling Cranes, see Cranes Parsons, C. A. & Co., chief makers of the Parsons Turbine, 119, see also Brown • Boveri - Par- sons, and Westinghouse- Parsons Parsons, Hon. C. A., 682, 687 experiments of, regarding Cavitation, 644-6, ;i^«., 647 patents of, for securing Low Peripheral Speed, 2tMnote for utilising Expansion of Steam, :^47 51 802 INDEX Parsons, Hon. C. A. {continued)-^ pioneer {see also de Laval) of the Com- mercial Steam Turbine, 2 views of I citedf on advantages of joint use of Turbines and Re- ciprocating Marine En- gines, 686-7 and Stoney, tests by, of Turbines for Driving Dynamos, results of, citedj as to etfects of Varying Vacuum on Steam Consumption, 165-8, /pv., 165, 166, 168 Parsons Marine Steam Turbine Co. arrangements of, for Going Astern, 636 first Turbine Ship of, see Turbinia 1st low speeds provided for, by, 634 "mongrel" system of, for securing Economical Steam Con- sumption at all Speeds, 636 Steam Trials of Amethyst, fitted with Parsons Turbines, tdbUy 682 views of, cUed^ on Speed and Size Limits for Marine Steam Turbines, 634 Parsons Peebles Turbo • Generators, with Allen Surface Condensers, 440 dsfig. Parsons Turbine, 119 chosen for comparison of results between Piston Engines and Steam Turbines, and why, 391-2 described, \2^ et seq,/figs., 121, 122, ds facing 122, 128, 124, t7&., 125-80, 132-4, 136-8, 140-2, 144, 146, 147, dtr faeiTig 148, 152, table, 185 efficiency of, in relation to Smallness of Clearances, 151 Firms building, 119 de Twte, see also under each name General description of Balance Pistons, 120, figs., 121, 122 dt facing Bearing, Flexible, 131 Pressure, 13"2 Thrust, 132 dsfig. Friction in, how caused, 120 Lubrication in, 134 Oil-consumption for various sizes, table, 135 Regulator, 132,^., 133 action of, ^s., 134 Rotor, 122, figs,, 121, 122, d: facing 122, ill., 143 Steam admission, occasional direct, to intermediate Stages, 131 progress through, 131 as acted on by guide Vanes, 120 leakages of, how caused, 120, how disposed of, 131 I Parsons Turbine, General description of {eonUnusd) — Vanes fixed and moving, construction of, 120-9 numbers of, 122 cfc note, 308-9 I at high-pressure end, criticism of, { 331 relative position of, how secured, , 182 A fig. \ stationary ** jfuide," 120 difference in fixing, and those of Hamilton - Holzwarth Turbine, 810 Wheel, 120 resemblances to, of that of Union Turbine, 831 Steam Consumption in, 156, d: table facing do. ds see do., under Piston Engines and Steam Tur- bines at Full, Half, and Quarter Loads, curves for, 389, ^«., 390, 391 do. do. Average, with definite Vacuum and Superheat, table, 187, excess of Half and Quarter Loads over Y\3XLdo., table, 188 do. with Constant Vacuum and definite Superheat, with Varying Absolute Steam Pressures, tables, 180-1, 186 do, do, do, and Mean Absolute Pressure, tabUs, 182-4, 185 Percentage decrease in, in relation to less Load and more Vacuum, 165, figs,, 165, 166 in relation to Pressure, (Admis- sion) and Changes in Pres- sure, 156 et seq,, 179, figs,, 157-60,384,391,393,408, facing 396 I Variott with Various Loads, see Full, and Average do,, supra Full, non-condensing, excess of, overspecified Vacuum, 162, fig^, 164 with varying Superheat, /^5., 176, 177, 178, table, 178 Kslf, fig., 1S8 Quarter, jigr., 189 do, with Constant Vacuum and Superheat^ and Mean Abso- lute Pressure, tables, 182-4, 185, do. with Varying Pressure, tables 180-1 do., with Varying Superheat, 162 etseq. 891, 893 ^»., 171-9, 896, tabU, 178 INDEX 803 Parsons Tarbine, General description of. Steam {eontinued) — in relation to Varying Load F^U, Half, and Quarter, curves for, 889, ;i^«., 890, 891 do, do. Average, with Constant Vacuum and Superheat, tabU, 187, excess of Half and Quarter Loads over Full rfo., table, 188 do, do, with the same, and Mean Absolute Steam Pres- sure, tables, 182-4, 185 do, do, with the same, and Varying Absolute, Steam Pressure, table, 180-1, 186 do, with Varying Vacuum, with, and without Superheat, 162 el aeq., 176, 177,891, 893, figs., 168-78, 897, tables, 168, 171, 172 Economy in {and in others), little effect on, of Varying Admission Pressure, 384 Leakage of, in proportion t«fr Clear- ances, 120 Vane Proportions in a 760 K.W. set, 126-6, table, 126 Parsons Turbo-generators, or Generating sets Dimensions of. Some Particulars of, tahU,l6i-6 Floor Space, /S^., 149 Overall Length, ^.,160 Weights, /a., 148 Efficiency of lai^gest size, at Full-Load, Non-Condensing sets. High Pressure in relation to Ek^onomy in, 161 Parsons type Turbo-generators Rated Speeds of, fig., 160 Peripheral Speeds, see also Speeds Low, Parsons' patent for securing, 261 noU Pressure of at Bearings, 14, table, 15 Pinions, see Gears, Pinions etc. Piping, Steam Turbine Plants (48) Piston Steam Engines, Modem, see also Reciprocating Engines behaviour of Steam in, under Extreme Conditions, 864-6 prospects of improved Economy in, with use of Superheated Steam, 1 Steam Consumption in Effect on, of Varying Admission Pressure, 884 Varying Superheat, 386, figs., 386, 886 Varying Vacuum, 887, figs. , facing 888 Piston Steam Engines, Steam Consumption in {continued) — in 38 engines, various makers Full Load, 373, table, 876-9 results, 880, fig., 381-8, average of lowest dfo., table, 380 Half and Quarter Load, 883-4, figs., 375, 882, 383 Steam Economy in Typical results as to, 870 et seq. , figs. ft- tables, ib. Piston Steam Engines, Modern, and Steam Turbines Coal Economy in, 404 Commercial Efficiencies of, under Extreme Conditions,/^*., 416-7 Comparison of Results of Steam Con- sumption in the former, with Mean Representative Results for the latter, 389 etseq., figs., 392 etc., 398-401, 412, 418, under authors' Standard Condi- tions, 416 itfigs., the same, at Various Loads as a percentage of Full Load do., 398, figs., 402, 408; Standards of Reference for, 889 Pistons, Balance, in Parsons Turbines, uses of, 120, figs., 121, 122 Plants in Operation, {see also Steam Turbine Plants), Steam Pressure, Superheat, and Vacuum in, 422 et seq., tables, 423, 424-6, 426-7, 428 Polyphase Turbo-generators, see A.E.G. Power, for Auxiliaries, (Curtis), table, 222 consumed by Auxiliaries, (Curtis), table, 222, (Rateau), 240 Equivalent Values for, expressed in English and Metric Units, table, 20 Practical Units for, definitions of, 19 d: tables Units, with Abbreviations and their Corresponding Values ex- pressed in Watts, table, 19 Power House(B) {see Building (9) under Steam Turbine Plants) Cost of, complete, 9, table, 8 Practical Units for Power, definitions of, 19 A- tables Pressures, see also W^eights and Pressures Absolute Mean, with Constant Vacuum and Superheat, Steam Con- sumption of Pai-sons Tur- bine with, tahles, 1 82-4, 185 Varying, with the same, Steam Con- sumption of Parsons Tur- bine with, tables, 180-1, 186 804 INDEX Pressures, Admission in relation to Steam Economy , 1 61-2 increased, in relation to Commercial Efficiency of Turbines and Piston Engines, 405, 412 et aeq., figs,, 406-11 in relation to Steam Economy, 161-2 in relation to Steam Consumption de Laval 19.6 K.W. Tur- bine running Non-con- densing, t€LbUf 50, see also tabu, 58 do, do. Parsons Turbine, 156 e^ seq.yfigs,, 157-60, do, and others, 391, 393, 403, figs,, facing 396 increased, in relation to Commercial Efficiency of Turbines and Piston Engines, 405, 412 etseq.ffigs,, 406-11 Varying, in relation to Steam Consumption of Piston Engines, 384 A fig, of Turbines de Laval, 40, tables, facing 40, 41 et seq. Parsons and others, slight effect of, 156 et seq,, 179, 384, 391, 893, 403, fi^s., 157-60, Asfacvng 396 Westinghouse, and Brown- Bo veri- Parsons sets, 161, figs., 158, 159, 160 Bearing, (Parsons), 132 Constant, and Variable Speed, (Zoelly), tests of, 272, tahU, 276 (cola 9, 10. 11) End, (Parsons), causes and cure of, 120, Exhaust, Energy of Steam in relation to, 357 External, Energy of Steam used in over- coming, during Super- heating, how calculated, 350 Initial Change in, effect of, on Steam Con- sumption (Curtis),213<ife^. of Peripheral Speeds, at Bearings, 14, table, 15 Regulation of, in Stages, Valves for, (Curtis), 208-10 Sections, Ste{)s or Stages, A.E.G. Turbine, 291 Bateau do., 228 A noU RiedlerStumpfrfo., 2SS iC-fi/j. Union do,, 827 Superheat, and Vacuum in Plants in Operation, 422 et seq. d; tables in use with Reciprocating Engines, table, 426-7, summary, Uihle, 423 do. do. Turbines, table, 424-5, summary, table, 423 Pressure and Volume at low Temperatures, 859, fiy., 360 relation between, for Superheated Steam, 385 Prices of Coal, see Coal Princess Elizabeth, Turbine Steamer, detaUs of, tables, 631, 734 Princess Maud, Turbine Steamer, details of, and comparison with Reciprocating Engine Steamer, tables, 680, 664 etseq. Propellers) of French Turbine Torpedo Boats, ill, 739 Turbinia, 1st, trials with different numbers of, 643-4, /l/.,645 Additional, on Turbine Shaft of, S.Y. Caroline, 681, results of tests of, 682-3 ik tables Propeller-Slip of Aviethyst, at Different Speeds, tabU, 658 Properties of Steam, see under Steam Pumps, Air, Circulating, and Lift, see Steam Tur- bine Plant, (68), (69), (70) Bateau Turbo-Pumps, fiig,, 239, tests of, table, 289 dt noU QuARTBK-LoAD, 9u under Steam Con- sumption Queen, Turbine Steamer, details of, tables, 630, 684 etseq,,ilL,^^Z, cross-section, /<7., 692 Qu4ien Alexandra, Turbine Steamer, details of and' comparison with Reciprocating Engine Vessel, tables, 630, 664 eiscq., ill,, 668 Condenser in, tabU, 437 Quick-Stop Trials, Jievolution Turbine Steamer, 733 Quincy Point, see Steam Turbine Plant Radiation from Turbine Casing, (de Laval), Losses due to, 70 Radcliffe, see Steam Turbine Plant Rateau, Professor A., (see also Rateau Turbine iiifra), features of his work in Steam Turbine design, 226-7 ** Go-astern '* Turbine invented by, 636 Views of, cUM, on Impulse and Reaction Turbines, differ- ence between, 228-9 note (*) Limits of Speed and Size for Marine Steam Turbines, 682-8 Numbers of Vanes, in relation to Steam Economy, 228 note {') Results of Tests of Torpedo Boat, JVb. 11$S, with Turbines and Reciprocating Engines, 688 INDEX 805 Rateau, Professor A., Views of {continued)— Theoretical Steam Consumption of the Perfect Machine, 358-9 Rateau Regenei-ative Heat Accumulator, 226-7, 246-60, Ji^s,, 248, 249 various types of, at Bethune Mines, 250, Jig., 251 Bruay Mines, 247,^^., 249 Plallside Works, 253-4, figs., 263, 269, ife facing 262, ills,, 266, 266 Hucknall Torkard Colliery, 260, 268, figs,, 267, 268 Reunion Mines, 250 Rateau Turbines, see also Oerlikon Rateau do, A Surface Condensers Applications of, to Centrifugal Pumps, Fans, and Compressors, 288 Extent of use of, 286 400 E.H.P., Test on, tahU, 246 General description, 227, fi>gs,, 226, 230 Bearings, 236 A note, figs., 227, 282, 283 Diaphragms, 229, 280,/^., 229 Glands, 286 Governor and Compensator, 284, fig. Joeing 232 Nozzles, Expanding, 229, 284,^., 229 Pressure Steps or Stages in, 228 tt- noU(^) Regulating Valve, 234 Shaft, 232 A note 232-3 Speed Control, (see Governor A Regu- lating Valve, supra), 234 Speed Reduction, 229 note Vanes or Blades, Revolving, 227, 228 A note. Jigs,, 226, 228 Wheels of, Peripheral Speed of, compared with the de Laval <<o., 288 resemblance to, of those of Union Turbine, 237 Low Pressure, with Heat Accumulator, Steam Consumption of, effect on, of reducing the Vacuum in, table, 241 Tests on, (226 K.W.), table, 246 Power Consumed by Auxiliaries, 240 used on Ships, on the Caroline, in conjunction with a Reciprocating Engine, 636, Jigs,, 679, 680, tests of, table, 681 duplicate of those in French Torpedo- Boats, tests of, 740, table, 737 Rat«au Turbo-Alternator, Multicellular, 360 K.W., Tests of, table, 242 Rateau Turbo- Alternator (eontiniied)— Turbo Generators 700 B.H.P., 264, ill,, 266, figs., 227, 253 Supplementary High Pressure, at Bruay, 262 2000 K.W., Steam Consumption in, 241, see fig., p. 38 do. do., by Sautter, Harl^ & Co., 370 K.W., figs., 232, 233, table, 289 note, Test of, tables, 242, 243, 244, A note 242 600 E. W. Tests of, table, 246 Turbo-Pumps, tests of, fig., 239, table, 239 <6 note Rated Speeds of Parsons Type Turbo- generators, fig., 160 Reaction Turbmes, DiflFerence between Impulse Turbines and, Rateau on, 228-9 noU (^) Recapitulation of the Properties of Steam (subheads, see under Steam) 341 et seq.. Jigs,, 861, 868-61, tahles, 342, 346, 362 Reciprocating Engine(8), see also Piston Engines in use with Steam Pressure, Superheat, and Vacuum, table, 426-7, summary, table, 428 in use in Steam Ships Comparison of, wiih Marine Steam Turbines, 682, to5/M,648-9, 660-1 et seq,, figs., 634, 666, Oil Consumption of, 783, relative Consumption of Steam, 634-6 in Cruisers, Record Coal Consumption, table, 748 in Naval Vessels, tables, 648-9 et seq, in Steamers owned by Railway Co.*s. L.B. k S.C. R. and Chemin de Fer de POuest, table, 686 et seq. Midland Railway, table, 692 et seq. S.E. h C. Railway, table, 684 et seq. Steam Pressure, Superheat, and Vacuum in use with, table, 426-7, summary, table, 428 Surface Condensers used with, table 482-8 Regenerative Heat Accumulator, (Rateau), 226-7, 246-60, >^., 248, 249 Regulating Valves, see Valves Regulation, see also Governors, etc., A. E.G. Polyphase Turbo-generator Sets for working parallel, 298 Curtis Turbine, in Stages, 208-10 Regulator in different Turbines, A.E.G, 294-6 Brown-Boveri- Parsons, 122,^., 138 action of, fig., 184 Parsons, 122 Rateau, 284, fig,, facing 282 806 INDEX RejTulator in different Turbines (eontd. ) — Union, 332, fig,, 333 Safety rfo., vertical and horizontal types, 882, ZZi.figs,, 383-6 Residual Kinetic Energy, see Energy Results, see Mean Representative do. Reunion Mines, Rateau Heat Accumulator at, 250 Revolution^ American Turbine Yacht, details of, tahle, 728 «t seq. Tests of, 732 et seq, 1. Quick Stop Trials, 733 2. Weight of Curtis Turbine as against that of Reciprocating En- gines, 783 8. Oil Consumed by, 738 Revolutions per minute, various Tyj)es of Turbo- generators, tablet 16 Revolving |)art of Four-Sta^e Curtis Turbine, fig., 223 Vanes or Blades, see Vanes Riedler-Stnmpf Turbine, 273 et seq. builders of, 286, 290 Details of. Buckets, or Vanes, Double, 276, figs., 274, 275 Single, 278,^., 276 Number of, 276 Overlap of, reason for, 279, fig., 27 i, compared to that in Union Tur- bine, 335 Clearance, large, 278 Governor, 277 Nozzles, 278, 279, 280, figs., 274, 279, 280, 281 Reversing, (Lilienthal), 280-2, 288, figs., 282, 288 Pressure Stages. 283 tL\fig. Shaft in, rigid, 279 Speed Regulator, 277 Steam admission to, 278, 283-3, figs., 27 A, 279, 280, 282 Consumption, 288, table, 289 Wheel, (2000 H.P.), 274-9, figs., 274, 276 Breaking Strength of, 276 Hub of, 275-6, figs., 274, 276, 278 Peripheral Speed of, 276 Stresses on, 276-8 Weight of, 279 Proportions of, eliminating need for Speed -reduction gearing, 273 type, compared with de Laval Turbine, similarity of general principles, 273, 274 do. with Klektra Turbine, 320 mergence of, in that of A.E.O. Tur- bine, {q.v,), 286 Vertical-Shaft design, 284, figs, (show- ing condensers), 285, 286 Riedler-Stumpf, Turbo-generator, small size, 20. H.P., 287-8, fig., 288 ' Riedler-Stumpf, Turbo-generator (eanid. ) — small size for Marine Lighting, details of, Grauert on, 286-7, fig., 287 Test results on 1 475 K. W. , direct-coupled to D.C. Dynamo, (able, 289 2000 H.P. set, Moabit Works, Berlin, described, 276, 278, 279, >!i7s.,276,277, 279, 290 Rims, or Rings, to Wheels, various forbines de Laval, 28 ! Elektra, 322 Hamiltou-Holzwarth, 309, 31 1 Rateau, 279 Riedler-Stumpf, 277, 278, 279, figs., 280. 281 I Union, 336 Rotor of Parsons Turbine, 122, figs., 121, 122 A facing 122, ill., 148 \ Union Turbine, weigh t of, how eq ualised , : 335-6 ' Westinghouse-Pareons Turbo-generators, ; 146,»;;., 143 Rugby, Curtis Turbine Plant at, 500 K. W. alternating current, 214, ill, 226 Rugby and Cork, Curtis Turbine Plant at, continuous current, tests of, 214, figs., 216, table, 218-9 (col 6) I Safkty-Reoulatok, (Union), vertical and horizontal types, 332, 334, figs., 333, 334, 386, 336 St George, Turbine Steamer, details of, tables, 631 Economy in, 664 Salejn, Turbine S(M)ut, U.S.N., details of, tables, 631, 728 et seq. Samuelson, F., tests by, on Curtis-Turbo- Altemator, Rugby, 217, tabu, 218-9 (col. 5.) Sapphire, see Topaze, Sapphire, and Diairumd, Cruisers Saturated Steam, see Steam Sea^ill, H.M.S. Torpedo Gunboat, Steam Consumption o{,6S5,fig.,6S4 Sensible Heat, see Heat in Liquid Shafts of various Turbines A.E.G., 292 Curtis, Vertical, 201 de Laval, Flexible, 94,/^., 96 Hamilton-Holzwarth, 309 Subdivision of, and Flexible Coup- ling, 315-6 Rateau, 232 d: noU 232-3 Riedler-Stumpf, Rigid, 279 Vertical, 284 Single-Wheel Types of Turbines, see de Laval, Elektra, and I Riedler-Stumpf INDEX 807 Size of Marine Steam Turbines, see Speed and Size Sizes of yarious Turbines, see Dimensions etc. of Slots, in relation to Vanes, (Parsons), 127 SniflSn, £. H., carves of, concerning Foundations, 441, 444,^., 442, tdbU, 442 South-Eastern k Chatham Railway Co., Turbine Steamers of, tables, 680-1, 684 et seq. Specific Weight and Volumes of Saturated Steam, Sbl dsjiy. Superheated Steam, 352 it fig, Speed(s) Acceleration, Turbinia 1st, 643 Equivalent Values for, in English and Metric Units, 22, tahles, 22, 23 for Land Plants, in relation to Economy of Steam, liA table Economy of Weight, 13 of various Turbines, and Turbo-genera- tors etc., see also Dimen- sions, etc. A.KG. Turbo-generators, 2. 20 K. W. 298 df tabU, do. 50-750 K.W., 298 <& tahle, do. 100-6000 K.W. table, 298 de Laval, relative, of Steam and Turbine, 28 300 H.P., reduction gear necessi- tated by, 273, losses in, 78 Elektra, Moderate, how secured, 320 Hamilton- Holzwarth, table, 319 Parsons, reduction of, 129 Parsons Type Turbo-generators, Rated, /^., 150 Rateau, control of, and reduction, 229 note, 234 Riedler-Stumpf, need of reduction, how avoided, in, 273, re- gulator for, 277 Zoelly, table, 264 Constant, and different Loads, tests of, 270 <fe fig., table, 266-7, (co^a. 3-5. 7,8.) Variable, with constant Pressure, tests of, 272, table, 266-7, (cols. 9-11.) Over-rapiditv of, Impulse working of Turbine to lessen, Rateau on, 228-9 note («) Peripheral, see also Peripheral Speeds A.E.G., fairly moderate, 291 Curtis, (of Vanes), 208 de Laval and Parsons, compared, 130 Elektra, 322 Hamilton-Holzwarth, 809 Parsons, 180 Riedler-Stumpf, 275 Speed and Size Limits for Marine Turbines, views on, of Parsons Mar- ine Steam Turbine Co., 634, Rateau, 6:52-3. Speek- man, «3.., White, 63'5 Speed-reduction and Control devices and gearing, see Governors de Laval,273, losses in, 178 Parsons, 129 Rateau, 229 note, 234 Riedler-Stumpf, (regulator), 277 Speckman, E. M., cif^, on relative Steam Consumption of Marine Steam Turbines and Recip- rocating Engines, 635 Speed limits for Turbine Vessels, 685 Stages, (or Pressure Steps) Curtis Turbine, 192,, fig., 193 Diaphragms between, 194, 195 Pressure Regulation in, 208 Parsons Turbine, pros and cons of, 120, 129-30 Starting Platforms, Uanxftnan and Londo^i- derry Turbine Steamers, 10\,fig., l^Z Stationary Blades or Discs, Parsons and Hamilton-Holzwarth Tur- bines, 309-11, Z\^, figs., 810, 311, difference in fixing, 810 Steam, Admission, Consumption, Economy, Energy, Expansion, LeaK- age. Passage, Pressure, etc., see those subheads under names of Turbines, and Vessels, and under Piston Engines, see also Pressure Steam Engineering, terms used in, stated and defined, 17 et seq. Consumption, see Steam Turbine Plants, (57) Equivalent, per K.W. hour, E.H.P. hour, and I.H.P. hour, table, 779-87 Full load, under Extreme Conditions, comparisons of, 415, figs., 418-9,420-1 Mean Representative results as to, for Steam Turbines, 889 et seq., fi^s. 392, 398-403 Kilograms of, raised per Kiloj^ram of Coal, 363, 364 <i; table Properties of. Recapitulation of, 341 «^ seq., tables (Metric Units), 842-4, (English Units), 345-7 Energy, in relation to Adiabatic Expansion in Saturated Steam, 855 Convertible, importance of, 341 in Saturated Steam, 349, tables, 342, 845 808 INDEX Steam, Properties of Ener^, Convertible (cfmlinued)— in relation to Exhaust Pressure, reduced, 357 Expansion, 355, 356-7 requisite to produce Steam of given qualities, in relation to Total Energy, 856, tables, 342 et seq. in Steam and Water, (Water partly evaporated), relations be- tween, 348-9 used in overcoming External Pres- sure during Superheating, how calculated, 850 Heat in Liquid, or Sensible Heat, (S.), Si^,tablesy 342, 345 Latent, (L.), 841-8 External, during Superheating, 350 Internal, (L,.), 848 Totel, (H.), 349 Steam, tee also Steam, Saturated, and Superheated, infra behaviour of, under various con- ditions, instances of, 353-7 in Piston Engines, 354-5 in Steam Turbines, 357-8 Consumption, Theoretical, of the Perfect Machine, Kateau on, 358, 359 dt figs. Superheating, External Latent Heat, 850 Specific Heat, 850, fig,, 851 Totel Heat, 840 Volume and Pressure of, at Low Temperature, 859,^., 860 Saturated, Adiabatic Expansion of, in relation to Energy, 855 Convertible Energy, in, 849, tetbles, 342, 345 Specific Weights and Volumes of, 351 it fig. Temperature of, see table, 842, etseq, and Water, Properties of, 859,^., 360 Superheated, see also Superheat A Superheating prospects of iniproved Economy with, in Piston Engines, (1) Steam By-pass, to Intermediate Stage, Turbine Vessels, 709 Steam to Glands, Turbine Vessels, ib. Steam Piping, see Steam Turbine Plants, (48) Steam Pressure, Superheat, and Vacuum in Plants in Operation, 422 et seq,, tables, 423, 424-5, 426-7, 428 Steam Ships, with Steam Turbines, see Marine Steam Turbines and Turbine Vessels Steam Turbine Plant and Generating Stetion, Boston L. Street Steam Turbine Plant and Station, Figures, Plans, and Illustrations of. Elevation of Boiler House, jS^., 478 Sectional £^0.,^^., 480 Transverse do.,fi^., 479 Main Steam Turbine, UL, 545 Elevation,^., 546 Plan, ;i^., 547 Piping Deteils, fig., 481 Plan of Power House, 478 Sectional elo.,^., 480 Site, 467 Brimsdown Steam Turbine Plant and Stetion, Figures, Plans, and IllostrationB of, Coal receiving and conveying, ills., 511, 512-18 Elevation, ill,, 469 Sectional do,, fig,, 487 Plan, 486 Turbine Room and Switch-boards, ill,, 557 Carville Steam Turbine Plant and Stetion, Figures, Plans, and Illustrations of. Elevation, sectional, fi>g,, 475 Exciting Circuit Diagram, fig., 613 Plan, 475 Site, plan, 465 Switches Motor-operated, ill., 616 Switch boards, ills,, 614, 615 Switch gear, back and front view of, figs., 612 General arrangement of, figs. fweing 612 High Tension, cross section of, fig, facing ^Vl Synchronising Connections, fig. faxing 612 Wiring diagram, fig,,^\\ Delray, Detroit, Steam Turbine Plant and Stetion, Figures, Plans, and Illustrations of, Cables, plan,y£^., 617 Elevation, ill,, 468 Main Turbine and Generator, ill., 548 Plans, Boiler House, fig., 476 Power House, fig,, ib. Longitudinal Section, fig, , 477 Site, plan, 466 Switches, oil and disconnecting, plan,^., 617 Transformers, plan,^., 617 English M'Kenna Co. Steam Turbine Plant and Stetion, Figures, Plans, and Illustrations of, Elevation,^., 489 end do,. Sectional,^., 490 Plan, 489 INDEX 809 Steam Turbine Plant and Generating Station (eonlinued) — Lots Road, Chelsea, Steam Turbine Plant and Station, see also 135 A note et seq. dt ills., 140-4, 640, 641 Fifftires, Plans, and Illustrations of, Boiler House, UL, 614 Cmviits, Jig,, 602 Coal receiving arrangements, ill,, 60S, fig,, 509 Condenser, ill., 569 Elevation, ill., 468 Sectional do., fig,, 470 Feed Pump, ill,, 515 Greneiator Switch and Potential Transformers, HI,, 603 Generators, shoiim in fig., 602 Main Steam Turbine, fig,, 640 Piping from 8 Boilers to one Header, Ul,, 516 VlAii, fig., 471 Rheostats, Motor-operated, ill,, 609 Site, i>lan, 464 Switches), Bus bar sectionalising oil, fig. , 608 Knife, in series, etc. , fig. , A. Switch gear and cables, elevation and diag. , figs, , 604-5 Switch-boards, Auxiliary, 610 Feeder, and Generator, ills,, 606, 607 Turbine Room, ill., 641 Motherwell Steam Turbine Plant and Station, Figures, Plans, and Illustrations of. Condenser, ill., 561 Neasden Steam Turbine Plant and Station, Figures, Plans, and Illustrations of. Cooling Towers, UL, 660 Elevation, ill., 468 Sectional do,, fig,, 473 Main Steam Turbine, /</., 542 Plan, 472 Quincy Point Steam Turbine Plant and Station. Figures, Plans, and Illustrations of, Curtis Turbo-Generator, 3 views, fig., SA9 Elevation of Power House, ill,, 483 Plan of Power House, 482 Switch-boards, ill., 620 Turbine Platform, fig., 548 Radcliffe Steam Turbine Plant and Station, Figures, Plans, and Illustrations of. Goal delivery, ill., blO, fig., 511 Electric Circuit to Auxiliaries, dia- gram of, j%r., 624 Electric Connections, diagram of, fig., 622 Elevation, ilk, 474 Steam Turbine Plant and Generating Station— Radcliffe {eonld,) Figures, Plans, and Illustrations of. Switch • board. Main, and oil Switches, HI., 623 Turbine room, interior, ill., 656 Water Accumulator and Pump for footstep Bearings, ill., 556 Thornhill Steam Turbine Plant and Station, Fiffures, Plans, and Illustrations of, Curtis set, with Condenser, ill,, 553 Elevation, ill., 469 Sectional <fo., 484 Exciters, ill,, 564 Feeder Panels, Main H.T., ill., 621 Plan, 485 Site, plan, 466 Switcn-board, Main, continuous current Panels, ill. , 621 Yoker Steam Turbine Plant and Station, Figures, Plans, and Illustrations of, see also U6,df ills., 146,U7 Elevation, ill, 468 Exciter sets, ill., 552 Main Generating sets and Conden- ser, ill., 660 R.P.M., set. ill,, 561 Switches, High tension oil, ill,, 620 Switch- boards. Control and Instrument, ill., 618 Gallery, i/^., 619 Parts common to the above stations Boiler Feed, (46.), 516-23 Flues, (41.), 500-7 and Superheater Surface etc., see table, 452-3 Boilers, (48.), 600-7 Buildings, (9.), 456-63 Chimnevs, (42.), 500-7 Coal, delivery of, and storage, also Bunker capacity, con- sumption, quality, ash removal etc., (29-40.), 456-63, 492-607 Cost per ultimate rated E. W. capa- city, (2.), 456-68 Eoonomisers, (47.), 516-23 Governors, (59, 60.), 532-39 Main Steam Turbines, (56.), 524-31 Mechanical Stokers, (44.), 516-23 Pumps, {und^ 46.), 516-23 Steam Consumption, (57.)) 632-39 Piping, (48.), 524-31 Valves, (58.), 532-39 Superheaters, (45.), 516-23 Water-Supply, (49 et seq.), 524-81 Wharf Cranes, (31.), 492-99 Steam Turbines, see also Turbines, Tnrbo- altemators etc, , and various makes under names Commercial EflSdencies of, and of Piston Engines, under Extreme Conditions, figs., 416-7 810 INDEX Steam Turbines (continxticd) — Condensers used with, UMe, 4S0-1, 482-3 Cost in relation to, 2-11, tables, 8-11 Comparison of Cost of Different types of Engines, table, 9 of Complete Power House, 9, table, 8 of Condensing Plant, 9, 10, ds tabUs of Condensing and Non-Condensing Plant (Allen's), 10-11 A tables First Cost, 2, 3, A tables per Ton, how arrived at, 11, table (of Weight), 18 of some Turbo-Gteneratore and Con- denser Plants, 4-7 Tenders and accepted Prices for 1000 K.W. and 1600 K.W. set A tables, 5-7 Steam Turbines, Mean Representative Results as to Steam Consumption for, 889 et seq., figs,, 398, and com- parison with results for Piston Engines, 393 et seq., figs. , 398-401 the same at Various Loads, as a Per- centage of the Full Load CoDsumption, 395, figs,, 402-3 Standards of Reference for, 889 Steam Turbines, Steam Consumption in, at Full, Half, and Quarter Loads, curves for, 389, figs,, 390, 391 Pros and Cons of Economy obtainable by, operated Coudensing, 1 Speed in relation to, 2 Weight in relation to, and cost per ton, table, 18 Steam Turbine Ships, see Turbine Vessels Steam Valves, see Steam Turbine Plant, (58.), a*M^ Valves Stokers, Mechanical, «ee Steam Turbine8,(44) Stoney, see Parsons and Stoney from Full Speed, Turbinia, (1st), 646 Quickly, trials of the Revolution, 733 Stresses in A.E.G. Turbines, how dealt with, 291 on Wheel of Riedler-Stnmpf Turbine, 276-8 StuflSng - boxes, (Hamilton - Holzwarth), 816-7,^^., 317 Superheat, see also Pressure, Superheat and Vacuum in relation to Steam Consumption A. KG. Westinghouse- Parsons, how eliminated, 145, 146 Thrust Bearings, see Bearings Tonnage in relation to Cost» 11, taide, 18 INDEX 811 Sapphire and Diamond^ H.M. Cruisers with Reciprocat- ing Engines, com]>ared with tlie Turbine Cruiser Amethystf tables^ 648 et seq. Torpedo Boat Destroyers, Turbine Driven, British Nary, see also Fe/oXy Fiper, etc., compare with 30 Knots Reciprocat- ing Engine, tables, 630-1, 659-60 Torpedo Boats Tiirbine Driven French, details of, table, 735 trials of, 780, table, 787 German details of, table, 742 et seq. Torpedo Gunboat, H.M.S. Seagull, Tur- bine driven, Steam Con- sumption of, 635,^., 684 Total Heat, see Heat Tunisian, Reciprocating Engine Steamer, details of, table, 710 et seq. Turbine Exhaust to Condenser, see Steam Turbine Plants, (66) Turbine Steam Ship Co., of Toronto, Turbine Steamer of, see Turbinia (2nd) Turbine Vessels, List of, and index to Further Data, 630-2 Turbines and Reciprocating Engines, Marine, advantagesofjoint- use of, Parsons on, 636-7 Turbinia, the First, details of, 636 et seq,, ill, 637, tables, 680, 687, 639, 642, 648, 647, Jigs., 638-9, 640-1, 646 Acceleration in Speed of, 643 Cavitation difQculties with, 644-6, ^s., 647 Going Astern in, 638 Propellers of, tests of, with different numbers, 643-4, ^s., 645 Stopping of, from Full Speed, 646 Water consumption of, tests of etc., tables, 642 Turbinia, the Second, details of, tahles, 630, 728 et seq. Trials of, 733, table, 734 Turbo- Alternators and Generators etc., see under Names Turbo -Generators, various makes Revolutions per minute, table, iS and Condensing Plants, Costs of some, tables, 4-7 Typical Results as to Steam Economy in Modem Piston Engines, 370 et seq, t Jigs, tk table Union Steam Ship Co. of New Zealand, Turbine Steamer of, tables 681, 685 el seq. Union Turbine, illustrative of tendenw of Steam Turbine Develop- ment, 387 comparison of, with other makes, Curtis, 831 Parsons, 331 Rateau, 327 60 H.P., Horizontal Shaft, Type em- ployed up to 300 H.P., 385, Jigs., 388, 839, ill., 340, test on, 885, table, 877 Friction in, how diminished, 385 General Description of, (800 H.P.), 827 et seq., figs. 382, facing 827, ill., 840 Governor, or Regulator, Z22,figs., 883, 884, 335 and Safety do., (both types) 832, 334, figs., 383-6 Valves in, 832-4, Jigs., 383-6 NoMles, 327, 831, 382, ,figs,, 828 diverging, 881 Pressure Stages, 237 Rotor, equalisation of weight of, 385-6 Vanes, moving and fixed, 827, 332, 885, Jigs., 829, 380 number of, how kept low, 381 civerlap of, as in Riedler-Stumpf type, 835 Wheels, 327, 881, ZS5,fi^s., 329, 880, 335, 0/., 831 Steam admission, 881 economy, how secured, 832 passage, how directed, 827, 828, 381, advantage claimed for, 835-6 United States Navy, Turbine Vessels of, tables, 631, 7 28 et seq. Vacua, Equivalent Values, based on Metric and English At- mospheres, tables, 788, 789 Vacuum, in relation to Steam Consump- tion, effects of Constant, Curtis Turbine, ^. 216 and Constant Superheat, Full, Half, and Quarter Loads, Parsons Turbines, Average, table, 187, excess of Steam Con- sumption at Half and Quarter Loads over Full, tabic, 188 do. do. and Mean Absolute Pres- sure, Parsons Turbine, tables, 182-4, 185 do. do. and Varying Absolute Pressure Parsons Turbine, table, 180-1, 186 Constant and Varying Loads, Curtis Turbine, fig., 217 812 INDEX Vacuum (roTitinued) — Varying, Piston Engines, 887, fgs., facing 388 do. and Steam Turbines, 405, 412 etseq.yjigs., 406-11 do. , in Steam Turbines Curtis, yEgr., 216 de Laval, Full Load, 5% Jigs., 68 Half Load, 69,^., 60, 61 Parsons, 162 c^ seq., 176, 177, 891, 398, tables, 168, 171, 172, figs., 163-78,897 High, Extra Cost of, 429, 485, table, 434 Obstacles connected with, 404 Reduction of, in Low Pressure Rateau Turbine with Accumulator, Effect of on Steam Con- sumption, table, 241 Vacuum, Steam Pressure, and Superheat, in Plants in Operation, 422 et seq, , A tables Vacuum Valve, see Valves Valves, see also Steam Valves between A.E.G. Turbine and Condenser, uses of, 291 Distributing, in Regulator of Union Turbine, 332, j«^.," 383-6 in Governor, Curtis Turbine, 197-9, fi^gs., 198. 200, 201 Main Inlet, Hamilton-Holzwarth Tur- bine, how controlled, 811 Pressure Regulation, in Stages, Curtis Turbine, 208-10 Regulating, Hamilton-Holzwarth Tur- bine, 211 Regulator, Rateau Turbine, 284, fig. 