Mechanics Applied to EngineeringLongmans, Green and Company, 1904 - 770 páginas |
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Página 135
... are rotating in the opposite sense , the rubbing velocity— V1 = r , ( w1 + wr ) = r , w , ( 1 + P Ra R Ra This has its maximum value when is greatest , i.e. when R R , is least and is equal to the length Mechanisms . 135.
... are rotating in the opposite sense , the rubbing velocity— V1 = r , ( w1 + wr ) = r , w , ( 1 + P Ra R Ra This has its maximum value when is greatest , i.e. when R R , is least and is equal to the length Mechanisms . 135.
Página 136
... the gudgeon - pin itself does not rotate , the rubbing velocity is simply due to the angular velocity of the connecting- rod . = @rry = waRar R2 which has its maximum value when R , is least 136 Mechanics applied to Engineering .
... the gudgeon - pin itself does not rotate , the rubbing velocity is simply due to the angular velocity of the connecting- rod . = @rry = waRar R2 which has its maximum value when R , is least 136 Mechanics applied to Engineering .
Página 137
John Goodman. which has its maximum value when R , is least , viz . at the extreme end of the " in " stroke , and is then 63 feet per minute in the example we have taken . By taking the same mechanism , and by fixing the link b instead ...
John Goodman. which has its maximum value when R , is least , viz . at the extreme end of the " in " stroke , and is then 63 feet per minute in the example we have taken . By taking the same mechanism , and by fixing the link b instead ...
Página 160
... maximum at the middle ; hence during the first half of the stroke the velocity is increased , or the reciprocating parts are accelerated , for which purpose energy has to be expended ; and during the second half of the stroke the ...
... maximum at the middle ; hence during the first half of the stroke the velocity is increased , or the reciprocating parts are accelerated , for which purpose energy has to be expended ; and during the second half of the stroke the ...
Página 171
... maximum compression at the ends of the stroke . The weight of such 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 ...
... maximum compression at the ends of the stroke . The weight of such 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 ...
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Términos y frases comunes
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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