Treatise on Mills and Millwork: On the principles of mechanism and on the prime moversLongmans, Green and Company, 1871 |
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Página 94
... column of the liquid h units high ; that is , if w be the weight of a unit of volume , P = wh ... ( 1 ) . And therefore the pressure on a horizontal surface of a units area wha . 2nd . The velocity with which a fluid flows from a small ...
... column of the liquid h units high ; that is , if w be the weight of a unit of volume , P = wh ... ( 1 ) . And therefore the pressure on a horizontal surface of a units area wha . 2nd . The velocity with which a fluid flows from a small ...
Página 107
... column underneath and . opposite the nearest number of inches will be found the value of n required . Thus for a velocity of 6 feet 8 inches per second , the coefficient n will be found to be 0.211 , being under 6 and opposite 8 . From ...
... column underneath and . opposite the nearest number of inches will be found the value of n required . Thus for a velocity of 6 feet 8 inches per second , the coefficient n will be found to be 0.211 , being under 6 and opposite 8 . From ...
Página 109
... columns , the relation between the velocity and the head required to produce the velocity , calculated by the laws of falling bodies , independently of friction , contraction of the vein , or other retarding causes . The formula of ...
... columns , the relation between the velocity and the head required to produce the velocity , calculated by the laws of falling bodies , independently of friction , contraction of the vein , or other retarding causes . The formula of ...
Página 120
... columns alternately exposed to a tensile and compressive strain , or it may be supported by tension rods on the principle now most generally practised in the construc- tion of improved iron water - wheels . In the former case the Fig ...
... columns alternately exposed to a tensile and compressive strain , or it may be supported by tension rods on the principle now most generally practised in the construc- tion of improved iron water - wheels . In the former case the Fig ...
Página 123
... bucket stays forming a complete ring of SECTION OF STAY S Fig . 111 . auxiliary columns round the wheel at every two feet of. yield to the weight of the water . The middle ring is cast in. ON THE CONSTRUCTION OF WATER WHEELS . 123.
... bucket stays forming a complete ring of SECTION OF STAY S Fig . 111 . auxiliary columns round the wheel at every two feet of. yield to the weight of the water . The middle ring is cast in. ON THE CONSTRUCTION OF WATER WHEELS . 123.
Outras edições - Ver tudo
Treatise on Mills and Mill Work: On the principles of mechanism and on prime ... Sir William Fairbairn Visualização integral - 1861 |
Palavras e frases frequentes
angle angular velocity atmosphere axes axis axle beam bevel wheel boiler buckets calculated centre coefficient column condenser constant construction cord crank Crown 8vo curve cylinder diameter direction discharge Edition effect employed equal evaporation experiments Fahr fall feet per minute fixed flues formula friction fuel furnace gearing heating surface History horizontal horse power horse-power inches of mercury increased iron John Stuart Mill John Tyndall latent heat length manufacture mechanism mercury mill millwright motion move number of teeth orifice pentrough pinion pipe piston placed plate pressure PUBLISHED BY LONGMANS pulleys R. A. Proctor radius reservoir revolution revolutions per minute revolving rotation sails Saltaire screw shaft side sluice square inch steam engine stroke superheated synchronal rotations tail-race tion tube turbine valve velo velocity ratio vertical vols water wheels weight weir wind windmills Woodcuts
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