On the Development and Transmission of Power: From Central StationsLongmans, Green, 1894 - 312 páginas |
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Página 24
... expansions Not jacketed Not jacketed TABLE II.B. - CONDENSING ENGINES . - Continued Marine Engines. Stationary Engines No. Type of engine Authority Indicated h.p. Boiler pressure Piston speed Steam per i.h.p. per hour Coal per i.h.p. per ...
... expansions Not jacketed Not jacketed TABLE II.B. - CONDENSING ENGINES . - Continued Marine Engines. Stationary Engines No. Type of engine Authority Indicated h.p. Boiler pressure Piston speed Steam per i.h.p. per hour Coal per i.h.p. per ...
Página 30
... expansions , and furnishing 123 indicated h.p. The total steam used per stroke was 1.14 lb. , or 31 cubic inches of water . The whole of this if condensed and spread over the cylinder wall 1 Investigation of the Heat Expenditure in ...
... expansions , and furnishing 123 indicated h.p. The total steam used per stroke was 1.14 lb. , or 31 cubic inches of water . The whole of this if condensed and spread over the cylinder wall 1 Investigation of the Heat Expenditure in ...
Página 31
... expansion line of the diagram should have been if there had been no con- densation . The two shaded areas represent to the same scale as the indicator diagram the heat given to the cylinder wall during admission and compression , and ...
... expansion line of the diagram should have been if there had been no con- densation . The two shaded areas represent to the same scale as the indicator diagram the heat given to the cylinder wall during admission and compression , and ...
Página 32
... expansion of the steam in stages ; that is , to use compound or triple engines . Then the temperature range in each cylinder and the admission surface per pound of steam in each cylinder are less , so that to some extent condensation is ...
... expansion of the steam in stages ; that is , to use compound or triple engines . Then the temperature range in each cylinder and the admission surface per pound of steam in each cylinder are less , so that to some extent condensation is ...
Página 39
... expansion ergine constructed by Messrs . McLaren , tested on a brake , gave 122 i.h.p. , and 107 on the brake , an efficiency of 0.88 ; a very good result for so complicated a machine as a triple engine necessarily is . The loss of ...
... expansion ergine constructed by Messrs . McLaren , tested on a brake , gave 122 i.h.p. , and 107 on the brake , an efficiency of 0.88 ; a very good result for so complicated a machine as a triple engine necessarily is . The loss of ...
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adiabatic air mains air motor alternate current atmospheric boilers cable cent central station coal compressed air compressors condensing conductors constructed cost Crown 8vo cubic feet curves cylinder destructor Diagrams direct current discharge distance driving dynamos effective h.p. hour efficiency electric lighting energy erected expansion fall feet per second flow friction fuel full load gas engines Geneva h.p. per annum heat high pressure hydraulic i.h.p. hour Illustrations inches in diameter Indicated h.p. indicator diagram jacket leakage lighting gas Lord Armstrong loss of pressure low pressure machinery mechanical mechanical efficiency Messrs miles motive power NON-CONDENSING obtained P₁ Paris pipes piston pound power purposes pressure turbines pressure water pulleys pumping quantity re-heated reservoir revolutions per minute Rhône rope Schaffhausen shaft sluices speed square inch steam engine steam power storage stored stroke supply temperature transmitted utilised valve varying volts waste water power wheel Woodcuts Zürich
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