Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 471
ve quantities betweenthe limits, 0 and a, for the angle 6. Fx=rdFx=fdFrsine=p£A*!Ylsing iyo t/o i/o gr pa pa PawAdsV2 Fy= / dFy= / dFr cos 0= / cos 6 y t/o y t/o t/o ar Keeping in mind that d and dd measure the lengths of arcs at unitradius, we may get rid of the variable, r, by substituting ds =… … //WA Fig. 233.But the weight of fluid flowing per second, W, =wAV. Hence WV WV . Fx = (1 — cos a), Fv= sin a, 9 9 WV , Fr = V2(l-cosa). 9 Knowing the totals, Fx and Fu, the direction of the resultantimpulse Fr is given by ■ Fx 1-cosa tan p=w = —: • r Fy sin a (/? being the angle between the totals…
Steam-engines · Heat-engines
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