Differential Momentum Equation

(Integral) Differential Momentum Equation (DME) Naviaur Strokes) In End Semester exam if differential momentum equation is asked derive RT first then go for TME) CV at t to+4+ it system tot system + I II III Control Volume at t=to Repeading same RTT steps in dN - at a Sns dv + Snsv.ed at CS at L considering a fixed Control "blume. DV N= MV = = momentum n= dip a at Idv + ST SV dA = at cyclem at CS rate of chang Momentes. a F of sdv t Jast dA at CS a + THE = F = F3 of S sdv + S V IV dA B Cs ct 3.314 2 n.sa 3.13.28 BY Pg er a

6 Water as from a statiorory loves nozzle stubes a flat plate Shown. The water the nozzle at 15mls; the nozzle avea is 0.01 m2, Assuming the water is Determine the horazonted force required to vesiof directive normal to the plane and flab along the plak, and hdd the plate termory. hand y Nozzle V3 V-15mls 2 2 (Control volume) Py Rx flowid I Net precau? 4 V3 go Fs+ FB = So 1 dt + is s SV.DA Assume: Avea of wak - shab Ct Mage Fsx + For 10 = not a CS dA mediad sustace fine = Rx = $430.08 Susidi only = Susted CS justen 2 3 CL CS n Rx = fustid Annu K. Sebacting Coming U=V1 R2= - USVIA Ansu Annu Alexna Rx VI2A1 Px = - 1000 X (15) x 0.01 Helen R2= - 2250N Assumption on Rx directive to is wrong So t should bein opposte director.