Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 251
it the now well-known forinuhe for continuous-current dynamos, there will thenbe a certain numerical coefficient by which the E. M. F. thus found must be multiplied inorder to obtam the actual mean alternating E. M. F. of the machine. Tlie value of this co-efficient, K, depends chiefly upon the… … Iorhes clvnaino. 1. Width of poles equal to pitch, toothed armature and winding con- centrated in the recesses A = 2-000 2. Width of poles equal to pitch, smooth armature and winding spread over the whole surface K = 1160 3. Width of poles equal to pitch, smooth armature and winding covering only…
Mechanical engineering
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