Mechanics Applied to EngineeringLongmans, Green and Company, 1904 - 770 páginas |
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Página 53
... in the diagrams , the has in some cases been omitted . In every case the suffix of indicates the distance of the weight w bearing the same suffix from the fulcrum . Allowing for weight of lever . Neglecting weight of lever Moments . 53.
... in the diagrams , the has in some cases been omitted . In every case the suffix of indicates the distance of the weight w bearing the same suffix from the fulcrum . Allowing for weight of lever . Neglecting weight of lever Moments . 53.
Página 111
... bearing , we have- p1x = p12x = W / or == WI x The sections of the various parts of the structure must be determined by methods to be described later on . The weight of the structure itself should be taken into account , which can only ...
... bearing , we have- p1x = p12x = W / or == WI x The sections of the various parts of the structure must be determined by methods to be described later on . The weight of the structure itself should be taken into account , which can only ...
Página 134
... bearings ; ( 2 ) the crank - pin in the big end brasses of the connecting - rod ; ( 3 ) the gudgeon - pin in the small end brasses . Let the radius of the crank - shaft journal be r , that of the crank - pin be r ,, and the gudgeon ...
... bearings ; ( 2 ) the crank - pin in the big end brasses of the connecting - rod ; ( 3 ) the gudgeon - pin in the small end brasses . Let the radius of the crank - shaft journal be r , that of the crank - pin be r ,, and the gudgeon ...
Página 150
... bearings ; for this reason the angle is rarely allowed to be more than 30 ° . In order to keep this angle small , a large rolling circle must be used , but it is rarely more than half the diameter of the smallest wheel in the train ...
... bearings ; for this reason the angle is rarely allowed to be more than 30 ° . In order to keep this angle small , a large rolling circle must be used , but it is rarely more than half the diameter of the smallest wheel in the train ...
Página 159
... bearing G , and dis rotated , the train becomes epicyclic , and since C and E are on odd axes of bevil trains , they rotate in the same sense as the arm ; consequently , for reasons already given , we have- Revs . E N = Revs . C Ν ...
... bearing G , and dis rotated , the train becomes epicyclic , and since C and E are on odd axes of bevil trains , they rotate in the same sense as the arm ; consequently , for reasons already given , we have- Revs . E N = Revs . C Ν ...
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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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