Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1894 - 257 páginas |
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Página 10
... motors . Water is required for boilers , but may be con- densed and thus used over again . It is , however , necessary to have a supply or reserve for the process of condensation . It is required by gas and petroleum engines to keep the ...
... motors . Water is required for boilers , but may be con- densed and thus used over again . It is , however , necessary to have a supply or reserve for the process of condensation . It is required by gas and petroleum engines to keep the ...
Página 12
... motor to work eight hours per day . Therefore , his water - supply being irregular , he is told he must have a steam - engine . Whereas perhaps he could work his motor for four hours and lay by for two or four hours , when his reservoir ...
... motor to work eight hours per day . Therefore , his water - supply being irregular , he is told he must have a steam - engine . Whereas perhaps he could work his motor for four hours and lay by for two or four hours , when his reservoir ...
Página 13
... motor . Animal power is sufficient for the smallest scale . Wind and water- power would do well , but owing to the need for heat for the evaporating apparatus , steam becomes preferable , and it becomes particularly so , when it is ...
... motor . Animal power is sufficient for the smallest scale . Wind and water- power would do well , but owing to the need for heat for the evaporating apparatus , steam becomes preferable , and it becomes particularly so , when it is ...
Página 15
... motor this term is applied to the REAL power of the machine , namely , that which is given off at the shaft or the pulley - wheel , and this is naturally less than the work that is done in the cylinder of the engine , which has had to ...
... motor this term is applied to the REAL power of the machine , namely , that which is given off at the shaft or the pulley - wheel , and this is naturally less than the work that is done in the cylinder of the engine , which has had to ...
Página 19
... motor will not result in an exactly corresponding effective horse - power , but an amount less by from 10 to 15 per cent . , which , in my tables , I have , for en- tire security , taken at 20 per cent . SECTION II . CHAPTER VI . MANUAL ...
... motor will not result in an exactly corresponding effective horse - power , but an amount less by from 10 to 15 per cent . , which , in my tables , I have , for en- tire security , taken at 20 per cent . SECTION II . CHAPTER VI . MANUAL ...
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amount ampères apparatus arranged B.Sc calculation cast-iron cent CHAPTER Chemistry chimney coal compound engine condensation Cornish boilers cost crank Crown 8vo cubic feet cubic foot cylinder Diagrams Diam driving dynamo economy effective horse-power electric Elementary fall feed-water feet per minute flues ft.-lbs fuel furnace gas-engine gine grate area Heads in Feet heating surface HORIZONTAL ENGINES horse-power per hour horses Illustrations imperial gallons inch diameter indicated horse-power iron length LL.D Load machine machinery Maximum mill motive power motor nominal horse-power oil-engine oxen Pelton Wheel pipes piston plates portable pounds practical proportions published by Longmans pump Revolutions per Minute Science Scientific Works published shaft speed square feet square foot square inch steam-engine Strength of Materials Stroke supply thickness tions tubes turbine valve vaporizer velocity vertical engine volts water-wheels Watts weight wheel wind windmill Woodcuts ΙΟ
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