Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1895 - 257 páginas |
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Página 32
... designed in such a form that when the wind pressure exceeds an amount of 14 or 18 miles per hour , they commence automatically to feather , " or assume a more acute angle to the direction of the wind , this process continuing with any ...
... designed in such a form that when the wind pressure exceeds an amount of 14 or 18 miles per hour , they commence automatically to feather , " or assume a more acute angle to the direction of the wind , this process continuing with any ...
Página 91
... designed to indicate any comparative advantages which each may possess , but are simply tabu- lated with a view to affording a comparison between the cost of a turbine installation and that of any other prime motor . The prices are in ...
... designed to indicate any comparative advantages which each may possess , but are simply tabu- lated with a view to affording a comparison between the cost of a turbine installation and that of any other prime motor . The prices are in ...
Página 93
... designed for use with a high- pressure supply . It is stated that so high a percentage as 89 has been reached in effective work with these engines . In most of them by reversing the action the machine be- comes a good pump , the exhaust ...
... designed for use with a high- pressure supply . It is stated that so high a percentage as 89 has been reached in effective work with these engines . In most of them by reversing the action the machine be- comes a good pump , the exhaust ...
Página 111
... designed for the duty undertaken . It will be safer for the prospective user to reckon on the larger figures . A ready rule for good new engines is to divide the figure 200 by the square root of the boiler pressure : 200 √pressure ...
... designed for the duty undertaken . It will be safer for the prospective user to reckon on the larger figures . A ready rule for good new engines is to divide the figure 200 by the square root of the boiler pressure : 200 √pressure ...
Página 135
... designed . For very many purposes of small motive power it is the most handy and useful engine , and it is quite the cheapest form of first motive power as re- gards first cost . The chief fault of the vertical engine is , that it is ...
... designed . For very many purposes of small motive power it is the most handy and useful engine , and it is quite the cheapest form of first motive power as re- gards first cost . The chief fault of the vertical engine is , that it is ...
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adopted amount ampères apparatus arranged average B.Sc calculation cast-iron cent CHAPTER Chemistry chimney coal compound engine condensation cost crank Crown 8vo cubic feet cubic foot cylinder cylinder engine Diagrams Diam driving dynamo economy effective horse-power electric Elementary fall feed-water feet per minute flues ft.-lbs fuel furnace gas-engine gine given grate area Heads in Feet heating surface HORIZONTAL ENGINES horses Illustrations imperial gallons inch diameter indicated horse-power iron LL.D machine machinery mill motive power motor nominal horse-power oil-engine ordinary oxen Pelton Wheel pipe piston plates portable portable engines pounds practical proportions published by Longmans pump purpose Revolutions per Minute Scientific Works published shaft single-cylinder speed square feet square inch steam-engine Strength of Materials Stroke supply thickness tions tubes turbine valve vaporizer vary velocity vertical engine volts water-wheels Watts weight wheel wind wood Woodcuts ΙΟ
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