Treatise on Mills and Millwork: On the principles of mechanism and on the prime moversLongmans, Green and Company, 1871 |
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Página 15
... equal to the units of time , and breadth equal to the units of velocity . If the motion be uniformly accelerated or retarded , the curve B D F will become a straight line inclined to the axis o x , and the space described , in this case ...
... equal to the units of time , and breadth equal to the units of velocity . If the motion be uniformly accelerated or retarded , the curve B D F will become a straight line inclined to the axis o x , and the space described , in this case ...
Página 16
... equal to the velocity of the power divided by the velocity of the resistance , or the velocity ratio of the power and resistance . This is called the principle of virtual velocities . Workmen express this dynamic law by saying , ' What ...
... equal to the velocity of the power divided by the velocity of the resistance , or the velocity ratio of the power and resistance . This is called the principle of virtual velocities . Workmen express this dynamic law by saying , ' What ...
Página 20
... equal to 90 ° , in this case , eq . ( 1 ) becomes velo . crank = 1 velo . beam sin B ... ( 2 ) . The crank must be ... equal to the velocity of the beam , when B = B , or angle D C B is equal to angle A B C ; that is , when the position ...
... equal to 90 ° , in this case , eq . ( 1 ) becomes velo . crank = 1 velo . beam sin B ... ( 2 ) . The crank must be ... equal to the velocity of the beam , when B = B , or angle D C B is equal to angle A B C ; that is , when the position ...
Página 21
... equal to double the length of the crank , F E. Moreover , the centre , F , of the crank is in the same straight line with the axis of the cylinder , or the direction of the piston rod . Let 1 = D E , the length of the connecting rod ; 1 ...
... equal to double the length of the crank , F E. Moreover , the centre , F , of the crank is in the same straight line with the axis of the cylinder , or the direction of the piston rod . Let 1 = D E , the length of the connecting rod ; 1 ...
Página 22
... equal cranks Fig . 9 . R D A B and C D , connected by the connecting rod D B , whose length is equal to the distance A c , be- tween the two axes . In all positions of the cranks , the figure A B C D will be a parallelogram , and the ...
... equal cranks Fig . 9 . R D A B and C D , connected by the connecting rod D B , whose length is equal to the distance A c , be- tween the two axes . In all positions of the cranks , the figure A B C D will be a parallelogram , and the ...
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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 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 Post 8vo 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 windmills Woodcuts
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