On the Development and Transmission of Power: From Central StationsLongmans, Green, 1894 - 312 páginas |
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Página 13
... varies greatly in composition in different localities . An analysis of London ash - bin refuse gave the following components : - Breeze , cinders , and ashes . Fine dust · Paper , straw , and organic matters Bottles , bones , tin ...
... varies greatly in composition in different localities . An analysis of London ash - bin refuse gave the following components : - Breeze , cinders , and ashes . Fine dust · Paper , straw , and organic matters Bottles , bones , tin ...
Página 19
... varying and intermittent load are in conditions unfavourable to economy . It is necessary to examine these cases in detail , and to trace the causes of waste . That is one step towards understanding in what circumstances central ...
... varying and intermittent load are in conditions unfavourable to economy . It is necessary to examine these cases in detail , and to trace the causes of waste . That is one step towards understanding in what circumstances central ...
Página 23
... varying load 35 44 [ 5.0 ] 60 46.7 60 32.5 Same engine , 60 32.86 varying load [ 3.5 ] 44 41.8 30.2 [ 3.4 ] 36 42.8 -Same engine [ 2.9 ] 47 28.49 Super - heated steam used 96 24 9 2.5 97 23.9 2.4 96 22.0 2.2 17 Wheelock 18 Reynolds ...
... varying load 35 44 [ 5.0 ] 60 46.7 60 32.5 Same engine , 60 32.86 varying load [ 3.5 ] 44 41.8 30.2 [ 3.4 ] 36 42.8 -Same engine [ 2.9 ] 47 28.49 Super - heated steam used 96 24 9 2.5 97 23.9 2.4 96 22.0 2.2 17 Wheelock 18 Reynolds ...
Página 28
... , the consumption of coal varies in different cases from 7 lbs . to 12 lbs . per unit of electricity generated . It is more than this per unit sold . These last results are interesting both as showing how large 28 DISTRIBUTION OF POWER.
... , the consumption of coal varies in different cases from 7 lbs . to 12 lbs . per unit of electricity generated . It is more than this per unit sold . These last results are interesting both as showing how large 28 DISTRIBUTION OF POWER.
Página 39
... Varying Load . - The mechanical efficiency of steam- engines , or the ratio of the effective to the indicated power at full load , is 0.8 to 0.85 for small engines , and may reach at least 0.9 for large engines . It is a little greater ...
... Varying Load . - The mechanical efficiency of steam- engines , or the ratio of the effective to the indicated power at full load , is 0.8 to 0.85 for small engines , and may reach at least 0.9 for large engines . It is a little greater ...
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adiabatic air mains air motor alternate current atmospheric boilers brake 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 hydraulic i.h.p. hour Illustrations impulse turbines 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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