Mechanics Applied to EngineeringLongmans, Green and Company, 1904 - 770 страници |
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Страница 168
... springs of the following scales , H.P. , I.P. , L.P. Let the areas of x y I the pistons ( allowing for rods ) be H.P. X , I.P. Y , L.P. Z. Let all the pistons have the same stroke . Suppose we find that the H.P. diagram is of a ...
... springs of the following scales , H.P. , I.P. , L.P. Let the areas of x y I the pistons ( allowing for rods ) be H.P. X , I.P. Y , L.P. Z. Let all the pistons have the same stroke . Suppose we find that the H.P. diagram is of a ...
Страница 169
... springs and for areas of pistons = = ( actual height of intermediaté ×× Y diagram x X actual height x yY xX Similarly for the L.P. diagram— Height of L.P. diagram corrected for scales of springs and for areas of pistons = zZ Jactual ...
... springs and for areas of pistons = = ( actual height of intermediaté ×× Y diagram x X actual height x yY xX Similarly for the L.P. diagram— Height of L.P. diagram corrected for scales of springs and for areas of pistons = zZ Jactual ...
Страница 171
... springs is , however , a great drawback ; in one instance known to the author the reciprocating parts weighed about 1000 lbs . and the springs 800 lbs . - Polar Twisting - Moment Diagrams . From the diagrams of real pressures ...
... springs is , however , a great drawback ; in one instance known to the author the reciprocating parts weighed about 1000 lbs . and the springs 800 lbs . - Polar Twisting - Moment Diagrams . From the diagrams of real pressures ...
Страница 208
... spring , as shown in Fig . 206 , instead of a central weight . The arrangement is , however , bad , since the central load increases as the governor rises , and consequently makes it far too sluggish in its action . The height of such a ...
... spring , as shown in Fig . 206 , instead of a central weight . The arrangement is , however , bad , since the central load increases as the governor rises , and consequently makes it far too sluggish in its action . The height of such a ...
Страница 209
... springs are often used instead of a dead weight . The value of x is usually a small fraction , consequently a huge weight would be required to give the same results as a Porter or similar type of governor . But it has other inherent ...
... springs are often used instead of a dead weight . The value of x is usually a small fraction , consequently a huge weight would be required to give the same results as a Porter or similar type of governor . But it has other inherent ...
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acceleration angle angular velocity balance weight balls beam bearing bending bending moment bending-moment diagram body Calculate cent centre of gravity centrifugal circle coefficient compression connecting-rod constant crank Crown 8vo curve cylinder deflection diameter direction distance efficiency elastic limit ELEMENTARY energy engine equal feet per second Find flange flywheel force acting given governor hence horizontal Illustrations increase inertia length load material maximum mechanism metal method moment of inertia neutral axis orifice parallel pipe piston plane plate polygon pressure pulley pump R₁ radius of gyration ratio revolutions per minute rivets rotation shaft shear shear stress shown in Fig side speed square inch strain stress stroke strut surface tangent tensile tensile stress tension tons per square triangle turbine V₁ valve vanes varies vertical virtual centre W₁ Watt governor wheel Young's modulus
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