Mechanics of engineering. Comprising statics and dynamics of solids: and the mechanics of the materials of constructions, or strength and elasticity of beams, columns, arches, shafts, etc (1888)
Church, Irving P[orter], 1851- [from old catalog] · New York, J. Wiley & sons · leaf 164
ENERGY, AND POWER. 151 shown in the figure. The only mutual friction considered willbe at the crank-pin, and if this as an average — F\ the workdone on it between o and n = F7tr, where r = radius ofcrank-pin. The work done by Px the effective steam-pressure(let it be constant) during this period is… … Fig. 159. upon Giv9 = Giv7ta sin /?, where a = radius of drum; thatupon the friction FA, = Fjta. The pressures iV7, J¥iv, andiV7, and weights G and G;, are neutral, i.e., do no work eitherpositive or negative. Hence the left-hand member of (XVI.)becomes, between o and n, PXV - FJ/ - Fnr - G^na sin…
Mechanics, Applied · Engineering · Strength of materials
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