Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1894 - 257 páginas |
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Página 31
... practice in proportion- ing the standard windmill sails was to adopt a length of whip or arm , which was usually 30 feet , and then propor- tion the whip and sails as follows : Length of whip , say 30 feet . Breadth at axis , Depth ...
... practice in proportion- ing the standard windmill sails was to adopt a length of whip or arm , which was usually 30 feet , and then propor- tion the whip and sails as follows : Length of whip , say 30 feet . Breadth at axis , Depth ...
Página 59
... practice , gripes or clamps smaller than these sizes are put upon flumes , which apparently hold all right until they become wet , when they gradually bend until they have to be removed and replaced by stronger ones . It will appear ...
... practice , gripes or clamps smaller than these sizes are put upon flumes , which apparently hold all right until they become wet , when they gradually bend until they have to be removed and replaced by stronger ones . It will appear ...
Página 79
... practice , in which it will be seen that the turbines , under average conditions , give results about 5 per cent . inferior to the foregoing table , i.e. , they actually required about 5 per cent . more water to give the horse - power ...
... practice , in which it will be seen that the turbines , under average conditions , give results about 5 per cent . inferior to the foregoing table , i.e. , they actually required about 5 per cent . more water to give the horse - power ...
Página 114
... practice , a good re- sult is sufficient condensation to remove 12 lbs . of average pressure from the near side of a piston , which , measured in the customary method , is approximately equal to 26 inches of mercury . Vacuum . This ...
... practice , a good re- sult is sufficient condensation to remove 12 lbs . of average pressure from the near side of a piston , which , measured in the customary method , is approximately equal to 26 inches of mercury . Vacuum . This ...
Página 121
... , very generally adopted in practice , is to allow a storage capacity in the reservoir equal to the total amount of injection water which would be passed through the engine in the course of a day . This CONDENSATION . 121.
... , very generally adopted in practice , is to allow a storage capacity in the reservoir equal to the total amount of injection water which would be passed through the engine in the course of a day . This CONDENSATION . 121.
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Términos y frases comunes
50 feet adopted amount ampères apparatus arranged average belt calculation cast-iron cent CHAPTER chimney coal compound engine condensation Cornish boilers cost crank cubic feet cubic foot cylinder Diam driving dynamo economy effective horse-power electric equal evaporated exhaust steam fall feed-water feet per minute flues fuel furnace gas-engine gine given grate area Heads in Feet heating surface HORIZONTAL ENGINES Horse horse-power per hour imperial gallons inch diameter indicated horse-power iron lamp Lancashire Lancashire boilers length Load machine machinery mill motive power motor nominal horse-power oil-engine Pelton Wheel pipes piston plates portable portable engines pounds practical proportions pump purposes quantity of water Revolutions per Minute shaft single-cylinder sizes space speed square feet square foot square inch steam-engine Stroke suited supply temperature thickness tubes turbine valve vary velocity vertical engine volts water-wheels Watts weight wheel Width wind windmill ΙΟ
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