Introduction to Fluid Mechanic
Introduction to Fluid Mechanic CE 321
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This 8 page Class Notes was uploaded by Jolie Shields on Saturday September 19, 2015. The Class Notes belongs to CE 321 at Michigan State University taught by Roger Wallace in Fall. Since its upload, it has received 19 views. For similar materials see /class/207369/ce-321-michigan-state-university in Civil Engineering at Michigan State University.
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Date Created: 09/19/15
Lecture 25 Pipe Flow Problems2 v5 200 fts 5 0 gquot 6 Test section Flowstraightening screens Q1 4 1 849 A fan is to produce a constant air speed of 41 ms throughout the pipe loop shown in Fig P849 The Silnldiameter pipes are smooth and each of the four 90quot elbows has a loss coef cient of 030 Dctetmine the power that the fan adds to the air 20m 39 V40ms D3m 10m Fan t gt 20m4 V 40 mls T D 3 m 0m 1152 Fan ag 1 9 hf Kuz were gal wasqu 1430 kg ELD 23 03m J u39 quot5 5 77xo 17 and 735 0 30 Mai 19W all 7600033 I V11 I M 4 42 1 bA 11b 4 i 21 I5 If we um7 IlaId 1 4 Me mm 04591 3 jighm 7 fz J V VzJ and Z Zz 825m feIce 2 Hawmm gag1 75 00083 3 ZMT 1 50 fM W Yth 99472T 23 73mz ag l m 377x05 379M 854 The pump Shown in Fig P854 adds 25 kW to the water and causes a flowratc of 004 m3s Determine the owratc expected if the pump is removed from the system Assumcf 0016 for either case and neglect minor losses 60 mm diameter 30 m Iong pipe 40 mm diameter f 0016 nozzle V1 V1 2 39 izlhp 4i i 21ff l W68F9 OIZh zz0 0 00 v m8 Vz o Vz7 41239 38 17 0043 4453 g vo aom 5 lls a 51 2 30m Ia5151 h hp 2Z l 0390Ao06m218g 332m 1 bu I h i 25x alga 63 8 50mmdiamgtev P W isom ma aws 39 WHITE mgr Hence h I332m63e m 625m m W m fIe pump 7 0 and 2 11 7 g wWe h 615 2 arm AV D t z 731 731V 0 V1 gZZ Wuzsv Tm 225V10a6 Z Vz 645 A 50 fl 2 lie539 or V 022 3m 0 IV 39g006m21022 9 002392173 894 When the pump shown in Fig P834 adds 02 horsepower to the owing water the pressures indicated by the two gages are eqnaLlekxn nethei oenauz Length of pipe beavecn gages 60 ft Pipe diameter 01 ft Pipe friction factor 003 Filter loss coefficient 12 Filter 5 0quot 131 81211 In u e n 1 L l quoto39 39o u j In t l I 5 I 0 5 0 i yquot y I
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