Mechanics Applied to EngineeringLongmans, Green and Company, 1904 - 770 страници |
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Страница 18
... amount of which will depend upon ( 1 ) the mass of the body , ( 2 ) the length of the string , and ( 3 ) the velocity with which the body moves . The tension in the string is equal to the centrifugal force . We will now show how the ...
... amount of which will depend upon ( 1 ) the mass of the body , ( 2 ) the length of the string , and ( 3 ) the velocity with which the body moves . The tension in the string is equal to the centrifugal force . We will now show how the ...
Страница 120
... amount of translation corresponding to one complete rotation is termed the pitch of the helix or screw . Spheric Motion . - When a body moves in such a manner that every point in it remains at a constant distance from a fixed point ...
... amount of translation corresponding to one complete rotation is termed the pitch of the helix or screw . Spheric Motion . - When a body moves in such a manner that every point in it remains at a constant distance from a fixed point ...
Страница 141
... amount equal to ef , from each position of e set off the corresponding position of f on the arc struck from the centre g . By joining up he , ef , fg , we can thus get every position of the mechanism ; but only one position is shown in ...
... amount equal to ef , from each position of e set off the corresponding position of f on the arc struck from the centre g . By joining up he , ef , fg , we can thus get every position of the mechanism ; but only one position is shown in ...
Страница 147
... amount of force be transmitted from the one disc to the other , slipping will occur , and the velocity ratios will no longer remain constant ; in order to prevent slipping , projections or teeth must be formed on the one wheel to fit ...
... amount of force be transmitted from the one disc to the other , slipping will occur , and the velocity ratios will no longer remain constant ; in order to prevent slipping , projections or teeth must be formed on the one wheel to fit ...
Страница 170
... amount of compression and the initial pressure , or by running the engine at a higher speed . The curve ( c ) shows that there is a deficiency of pressure at the beginning of the stroke , and an excess at the end . The defects could be ...
... amount of compression and the initial pressure , or by running the engine at a higher speed . The curve ( c ) shows that there is a deficiency of pressure at the beginning of the stroke , and an excess at the end . The defects could be ...
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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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