Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 471
to the integral of the above quantities betweenthe limits, 0 and a, for the angle d. Fx= fdFx= r dFr sin,_ p^vi sin e ^t/o e/o t/o gr Fy= fdFy= r<ffl<*>sO= /——cos 6 y t/o i/o t/o gr Keeping in mind that d and dd measure the lengths of arcs at unitradius, we may get rid of the variable, r,… … Fig. 233.But the weight of fluid flowing per second, W, =wAV. Hence WV Fx = (1 -cos a) 9 WV . 9 Fy =—— sin a, WV Fr=— V2(l-cosa).9 Knowing the totals, Fx and Fy, the direction of the resultantimpulse Fr is given by . Fx 1-cosa tan Q = w = —: • 1 Fy sin a (/? being the angle between the totals Fy…
Steam-engines · Heat-engines
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