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Quiz7Solution

# Quiz7Solution - CE 3700 Fluid Mechanics Homework Quiz 7...

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Unformatted text preview: CE 3700 Fluid Mechanics Homework Quiz 7 10/28/05 Name: 5° ‘W hm SHOW ALL WORK AND ALL UNITS 1. Determine the forces in the x and y directions exerted by the oiljet on the vane. The vane is moving to the right at 5 m/s. The vane turns the oiljet in a horizontal plane. VI = V; = 15 m/s. Q] = Q; = 0.12 mJ/s. 3/ . 1‘7 Cross»3ec+m~no.\ areaL vi? 324 -. A = 9 2 M = 0,0080 Mr. V l5 Ml: UII is = 0.90) I X ' WIHA o. MOVIHS CAM?“ Voiumc: W7, =- " 816\$ M/S (30° ~ 1’57? N at’n‘nj 6M 32* H (377 N Auk—m3 on Vane (”HM—9) 0 ﬁg 6 Q Wang) 31:5.” : @qu locus???g x l‘ :3 >éoszwg>(-g% — O\> : —?;Q? N CLC’V‘Mj cm 39." .: 36? N admxj on vcmc 36? NT) I! 2. Water ﬂows in the horizontal bend at a rate of 8 cfs and discharges into the atmosphere past the downstream ﬂange. (The bend acts as a cantilever which is supported at the upstream ﬂange.) The pipe diameter is 0.75 ft. Assﬁme that the pressure in the water at the upstream ﬂange is 450 lbf/ﬂ2 gage pressure. Find the forces in the x and y directions exerted by the bend on the bolts in the upstream ﬂange. Q H3 V\:\}q,=7;:84_ \8,Z& 0.449” 5 O E I iii“ \ “if i w o is 255). 1 —' ___,.. z- __ I S 6 WWW”) ‘L PX " W“ A! " \ suit 8 5 “PW—1 M we “a? —'L%7_ \H Fx = ~L\$1M ‘HBM— : ’430 Ml act-m3 m con—WM volume = 4.50 “19 6LL+WLJ cm boH'; (14,59 \\,{‘ ») (balk ‘m \Levxsisu) O ZFU = 9Q (Wt’fa W = (twig—EEX‘ME >(8%3)<—is.1% ~o> l slug :: —ZBL \W edema 0M ann‘VYo‘ vulva“: ’ 2%7, \H‘» moi-m3 oh \aoH't (282 \H‘ I) («OHS M Shear) CE 3700 Fluid Mechanics Homework Quiz 7 10/28/05 Name: 8° (“4177“ SHOW ALL WORK AND ALL UNITS 1. Determine the forces in the x and y directions exerted by the oiljet on the vane. The vane is moving to the right at 7 m/s. The vane turns the oiljet in a horizontal plane. V1 = V; = 17 m/s. Q = Q; = 0.14 m3/s. 1y Cross—seclmmd area 0'? id = A -_- % : 2% 1 0.00814 m1 M: Oil (8 : (190) Wan a Moving 03th Veiuww. 1&1: — Y.“ "/5 . W ! 7511—5m/5 l0/5 = VA 2 ON]; 0,003L4M7' : 0,0814M3/5 Q (l in : Q Q CW1”WI> _ k I [3L W Fx _ (of? x icooﬁx ‘ k3 )(aoangéx—eéé/s — W75) : ”7384‘ N ’i’bfce Ari-mg on HALQQ'L [384'N ’K'DVULO‘L'RWJW WVAVUL (/384N—vl 0 ZF‘J : Q Q (Tﬂl'ﬂd - N 7- M W = Cm x [000%3 x \‘f >G).oel’¥§7<‘ SW5 “ O) t ' 37/ N 4:1:th 40311:] (m We :12,“- 371 N 90k; 11¢.th ovx HA5 \nme £37! M T) H 2. Water flows in the horizontal bend at a rate of 15 cfs and discharges into the atmosphere past the dowhstream ﬂange. (The bend acts as a cantilever which is supported at the upstream ﬂange.) The pipe diameter is 1.5 Ft Assume that the pressure in the water at the upstream ﬂange is 600 [bf/Pt2 gage pressure. Find the forces in the x and y directions exerted by the bend on the bolts in the upstream ﬂange. y A: 77:ng = (.77 “7' 5m v,—.v1= %= ‘ 4 ﬂ = 8.461% M??? o Fx 2 —247 M — m2 1% : — ”0‘1 “0“: (id—m3 01A Cewh’si Vuiqui. i301 it? mug an we (mama) (Bum in Mom) 0. “a: Q Q (“Far 35?» M147” + it ['1’ FEX‘B'MA; , 0) F3 = QM‘TE—x “EX” 5 s : ”Z A", “y? (HAHN: {M 6(1an Vb‘uvmc -. \$41 W? [Leh‘wj m bsl’i't (M7 i) (84%; in Sheof) il CE 3700 Fluid Mechanics Homework Quiz 7 10/28/05 Name: 30 iu'i'ﬁ’“ SHOW ALL WORK AND ALL UNITS 1. Determine the forces in the x and y directions exerted by the oil jet 0n the vane. The vane is moving to the right at 9 m/s. The vane turns the oiljet in a horizontal plane. V] : V3 2 19 m/s. Q = Q: = 0.16 m“/si 3 y Cass—sechwnal area. «V 32‘ _—_ A __ 9 : o_____"é’w 5 2 0.00847- m?— l V H ”/5 OH [‘5- : 090) WIH’I A moving Wml Vuluw.’ ‘0‘“ 2— meme M in i l /O D m 3% v I 253:3 C/ E37” M3 ’- __ F3 2 GR x Mo ‘53; X Li:— >éoa4zg>(—3V§ 0) “<3 : 937? N duh/L3 cm ici’ 57‘? N uni-MJ on WM: (377“ T) H 1‘ Water ﬂows in the horizontal bend at a rate of l 2 cfs and discharges into the atmosphere past the downstream ﬂange. (The bend acts as a cantilever which is supported at the upstream ﬂange.) The pipe diameter is 1.25 ft. Assume that the pressure in the water at the upstream ﬂange is 500 lbf/ft2 gage pressure Find the forces in the x and y directions exerted by the bend on the bolts in the upstream ﬂange. Q3 .Q- - ll /5 a V'i’VL- A’ / MSW ' 9,79,; LP: M 5'“ ‘lHS i293 0 — 178%) GDDPPXLLS N7“) 4, FX '2 \RA— “3 X m I W) his“)? —z'La \W W = ~223 M - MM 5‘34; \lcc acl W3 Uh Cau‘hml vuluwxjc = 842 it? mm M bow (m a) (ﬁll: in lemma“) 0 ZFU = Q Q (sz‘gjtﬂjl) .1 3 - [MS/“£35 1%; 11%><-ﬂ.78% —— 0) ll : t H3 x \Sluj = — 2Z8 \l-l‘ “long m 0:.an volume r 118 M “rims m Lan (L15 T) (Butts M éhear‘) ...
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Quiz7Solution - CE 3700 Fluid Mechanics Homework Quiz 7...

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