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Unformatted text preview: 4.5 Water enters one end of a perforated pipe 0.2 m in diameter
with a velocity of 6 m/s. The discharge through the pipe wall is
approximated by a linear proﬁle. If the ﬂow is steady, ﬁnd the
discharge velocity. @ﬂ,ﬁﬂl — “ifo’QL gm m2} 3 O __ ‘0’:
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F3 = Q 660%. “33% ngKE)
+ Qwﬂqg‘kmijMQ —_..— wage) N =2 mack»: 5.25 An open tank L ft long as shown below travels to the right
at a velocity ’0: fps. A jet of mark; exhausts ﬂuid of density p at a
velocity ”1‘ fps relative to the car. The tank car, at the same tune,
collects ﬂuids from an overhead sprinkler which directs ﬂuid
downward with velocity v3. Assuming that the sprinkler ﬂow is
uniform over the car area, Ac... determine the net force of the ﬂuid
on the tank car. _ I __ _ ____ _ _
— _. ____ ___ _ L2 __ _ _ 2% w I
L] __ WQQuQ 3
M MW ' — j @531 UJAMLI‘M * 509mb
—— — I. __ *Aauw L W 1512::an 8M1;
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h — +l — —— — — — ___}:ﬁA + SIE‘MF'P FL
I _ 41% agar—kw EMU{rah :M £14.} (or W; — km» 4.?) “gaging (WM) _ _#
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__;_ ’54 _ _. _
—= +30% m .L. a 04 “39,3 3 LuggDEQ
MW_MLL_5 “‘94 = ”42.4. , ”0:191: = W _
l —g X C}. {’13 ﬂ E__jJJ4LA+_ﬂ+ C4)
M __ L30) %;&ch_m «QM ﬁngmg _
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ll Assignment 4 — Additional Problems (cont.) 3. The nozzle shown discharges a sheet of water through a
180° arc. The water speed is 15 mfs and the jet thickness is 30 mm at a radial distance of 0.3 m from the centerline of the supply
pipe. Find (a) the volume flow rate of water in the jet sheet and (b) the 3; component of force required to hold the nozzle in place. R=O.3m {i
‘2‘
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all/SAP“ V+ c3 5’1 (WE‘MA: “SpadAJcF’R
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"rt/g, ) fig. fa: afvzaté ... p.533 K
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 Spring '11
 Sarkozi

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