The Mechanical Principles of Engineering and ArchitectureLongman, Brown, Green, and Longmans, 1855 - 675 стор. |
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Сторінка 142
... unguents on the laws of friction , and on its amount under the same circumstances of pressure and contact . The following are ... unguent is interposed , the friction of any two surfaces ( whether of quiescence or of motion ) is directly ...
... unguents on the laws of friction , and on its amount under the same circumstances of pressure and contact . The following are ... unguent is interposed , the friction of any two surfaces ( whether of quiescence or of motion ) is directly ...
Сторінка 143
... unguents are interposed , the co - efficient of friction depends upon the nature of the unguent , and upon the greater or less abundance of the supply . In respect to the supply of the unguent , there are two extreme cases , that in ...
... unguents are interposed , the co - efficient of friction depends upon the nature of the unguent , and upon the greater or less abundance of the supply . In respect to the supply of the unguent , there are two extreme cases , that in ...
Сторінка 144
... unguent tallow , the co - efficient is the same as for the other unguents in every case , except in that of metals upon metals . This unguent appears , from the experiments of Mo- rin , to be less suited to metallic substances than the ...
... unguent tallow , the co - efficient is the same as for the other unguents in every case , except in that of metals upon metals . This unguent appears , from the experiments of Mo- rin , to be less suited to metallic substances than the ...
Сторінка 145
... unguent to the state of perfect separation , and to the determination of the co - efficients of frictions in those different states of separation which correspond to pressures higher than this . It is evident , that where the extent of ...
... unguent to the state of perfect separation , and to the determination of the co - efficients of frictions in those different states of separation which correspond to pressures higher than this . It is evident , that where the extent of ...
Сторінка 146
... unguent to the surfaces of contact , and the opposition presented to their motion by its viscidity , are causes whose influence may be altogether neglected as com- pared with the ordinary friction . In the case of lighter machinery , as ...
... unguent to the surfaces of contact , and the opposition presented to their motion by its viscidity , are causes whose influence may be altogether neglected as com- pared with the ordinary friction . In the case of lighter machinery , as ...
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Загальні терміни та фрази
a₁ angle of resistance angular velocity arch axes axis beam body bordering upon motion capstan centre of gravity circumference compression corresponding crank curve cylinder deflexion descend determined dimensions displaced fluid distance ditto driven wheel driving Edition epicycloidal equal equation equilibrium evident exceedingly small extrados force formula friction given hypocycloidal impact inclination inertia intersect involute lamina length limiting angle line of centres line of resistance machine modulus moment of inertia moving numbers of teeth observing obtain oscillation P₁ P₂ parallel passing perpendicular pitch circle plane point of application point of contact portion position radius repre respect resultant revolution revolve rupture screw space stability Substituting supposed surfaces of contact taken to represent tion tooth U₁ U₂ unguent vertical vis viva viva vols voussoirs W₁ wall weight whence it follows whilst whole
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