8/16/2019 UEME2123 Fluid Mechanics Tutorial 2

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1 UEME 2123 Fluid Mechanics 1

UNIVERSITI TUNKU ABDUL RAHMAN

Faculty : Engineering and ScienceUnit

Code: UEME 2123

Course :

Bachelor of Engineering (Hons)

Cheical ! Ci"il! MechanicalEngineering

Unit #itle : Fluid Mechanics 1

$cadeic

%ear: 2&1'!2&1

ecturer:

*r+ Bee Soo #ueen! Mr+ Chong

,o- Chung! Mr .+ .ra-as $!

S+.alanychay 

Session : 2&1&'

Tutorial 2 (Chapter 3: lui!" i# Motio# $ The Ber#oulli E%uatio#&

1) $ /erson holds her hand out of an o/en car 0indo0 0hile the car dri"es through still air at

1&' -!r+ Under standard te/erature atos/heric conditions 0hat is the aiu /ressure on

her hand 4hat 0ould 5e the aiu /ressure if the 6car7 0ere an 8ndy '&& racer tra"elling at3'9 -!h

2) 4ater flo0s fro a /ressuried tan- through a 1' c diaeter /i/e eits fro a ' c

diaeter nole and rises a5o"e the nole as sho0n in the figure+ *eterine the /ressure

in the tan- if the flo0 is steady frictionless and inco/ressi5le+

3) For the /i/e enlargeent sho0n in the figure the /ressures at sections (1) and (2) are 3;;+2-.a and 9&1+3 -.a res/ecti"ely+ *eterine the 0eight flo0rate (

8/16/2019 UEME2123 Fluid Mechanics Tutorial 2

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2 UEME 2123 Fluid Mechanics 1

9) $ &+1' diaeter /i/e discharges into a &+1 diaeter /i/e+ *eterine the "elocity head

in each /i/e if they are carrying &+12 3!s of -erosene+

') *eterine the flo0rate through the /i/e in the figure sho0n 5elo0+

) $ir flo0s through the de"ice sho0n in the follo0ing figure+ 8f the flo0rate is large enough

the /ressure 0ithin the constriction 0ill 5e lo0 enough to dra0 the 0ater u/ into the tu5e+

*eterine the flo0rate Q and the /ressure needed at section (1) to dra0 the 0ater into section(2)+