laporan flow

8/12/2019 Laporan Flow

http://slidepdf.com/reader/full/laporan-flow 1/14

KARAKTERISTIK PIRINGAN ORIFICE

DAN KARAKTERISTIK TABUNG VENTURI (Flow)

1. Tujuan Pero!aan

- "en#e$on%&ra%'an al'a%' #ar' 'r'n*an or'+'e #ala$ en*uuran laju al'r

#an eea&an al'ran #ala$ 'a

- "en#e$on%&ra%'an al'a%' &a!un* ,en&ur' a#a en*uuran laju al'r #an

eea&an al'ran #ala$ 'a

- "en*uur !e#a &eanan a#a 'r'n*an or'+'e #an &a!un* ,en&ur'

-. Ala& #an Baan /an* #' Gunaan

- Flo$e&er

- P'r'n*an or'+'e

- Ta!un* Ven&ur'

- "ano$e&er "erur'

- P'a

- S&owa&

0. Da%ar Teor'

Ven&ur' $eruaan ala& /an* #'*unaan un&u $en*uur #e!'& al'ran a'r #ala$

'a. Ven&ur' $eruaan !en&u la%' /an* &er#'r' #ar' !a*'an $a%u /an*

$en*e'l. Ba*'an leer #an !a*'an eluar /an* $e$!e%ar. Ta!un* &er%e!u&

#'a%an* #' &e$a& %a$!un*an 'a %e#e$''an rua %e'n**a !a*'an leern/a

on%en&r'% #en*an lu!an* 'a.



Ala& 'n' #'len*a' #en*an $ano$e&er un&u $en*uur er!e#aan &eanan

an*&ara lu!an* 'a #an lu!an* leer &a!un* ,en&ur'. en'% ,en&ur' $e$un/a'

eun**ulan #ala$ e&el'&'an /an* &'n**' !er'%ar 23-450 6 #an enurunan &eanan

/an* e'l aan &e&a' #ar' %e*' !'a/a ar*an/a uu &'n**'. "en*a$!'l ra%'o

#'a$e&er leer &erja#a 'a &'#a #aa& #'u!a5u!a. Ta!un* ,en&ur' #aa&

#'*unaan un&u $enan*an' +lu'#a a'r3lu$ur (%lurr/) #an a'ran /an* o&or (a'r

l'$!a). De%a'n u$u$ /an* #'aa' #en*an uuran #'a$e&er 'a -5-2 'n' #an

oe+'%'enn/a 23789

Seara u$u$ ele!'an #an euran*an #ar' en**unaan Ven&ur' Tu!e

a#ala %e!a*a' !er'u& :

Kele!'an

• Ru*' &eanan (re%%ure lo%%) er$anan rela&'+ ren#a #ar' a#a or'+'e a&au +low

no;;le

• Daa& #'*unaan un&u $en*uur a'ran /an* $en*an#un* en#aan a#a&an

(%ol'#%).

Keuran*an

• T'#a &er%e#'a a#a uuran 'a #'!awa < 'ne%.



• =ar*a rela&'+ $aal.

=u!un*an an&ara laju al'r #an !e#a &eanan un&u &a!un* ,en&ur' a#ala%e!a*a' !er'u& :

> ? C#.Ao @ 15 (AoA&)-1-. -* (15-)

D'$ana :

> ? laju al'r (#$0)

C# ? oe+'%'en #'%ar*e 2378 un&u &a!un* ,en&ur'

Ao ? lua% area leer ,en&ur' #o ? 18 $$

A1 ? lua% area 'a u%&rea$

? !e#a &eanan ($$*)

Con&o al'a%' &a!un* ,en&ur' :

1. Kar!ura&or

Kar!ura&or !er+un*%' un&u $en*a%'lan a$uran !aan !aar #en*an

u#ara3 e$u#'an a$uran 'n' #'$a%uan e #ala$ %'l'n#er5%'l'n#er $e%'n un&u

&ujuan e$!aaran.

-. Ven&ur'$e&er

Ta!un* ,en&ur' a#ala #a%ar #ar' ,en&ur'$e&er3 /a'&u ala& /an* #'a%an* #'

#ala$ %ua&u 'a al'ran un&u $en*uur elajuan a'ran.

Or'+'e$e&er &er#'r' a&a% la& !aja /an* $e$un/a' en/e$'&an !un#ar

#en*an %ala %a&u %'%' &aja$n/a. Sua&u la& !erlu!an* #'$a%uan e #ala$ 'a

#an #'&e$a&an %eara &e*a luru% &era#a +low %&rea$. Pla& &er%e!u& #'a%an*

#'an&ara #ua +len% %e'n**a lu!an* &a#' on%en&r' #en*an 'a &e$a&

$e$a%an*n/a. T'&' en*a$!'lan &eanan #'a%an*3%a&u #'ulu (!a*'an $a%u) #an



%a&u #' 'l'r (!a*'an eluar) #an #'u!un*an #en*an $ano$e&er a&au 'ran&'

en*uuran &eanan la'nn/a. Ke&'a +lu'#a $en*al'r $elewa&' or'+'e la&e &er%e!u&

$aa $en/e!a!an en'n*a&an eea&an #an enurunan &eanan. Per!e#aan

&eanan %e!elu$ #an %e&ela or'+'e la&e #'*unaan un&u $en*alula%'

eea&an al'ran (+low ,elo'&/).

Pr'n%' $e&eran or'+'e '#en&' #en*an ,en&ur'. Penurunan ena$an* aru% al'ran

$elalu' or'+'e '&u $en/e!a!an &'n**' &eanan eea&an $en'n*a&3 &e&a' &'n**'

&eanan $enurun #an enurunan &eanan an&ara e#ua &'&' en*a$!'lan &eanan

#'uur #en*an $ano$e&er. Ole arena '&u3 r'%&r'%' or'+'e &aja$3aru% +lu'#a '&u

$e$'%a #' %e!ela 'l'r la& or'+'e #an $e$!en&u je& al'ran !e!a% #'#ala$ +lu'#a

#' %e!ela 'l'r3 a'!a&n/a &eanan al'r $enja#' &'n**'. aju al'r #an !e#a &eanan a#a 'r'n*an or'+'e #'u!un*an #en*an er%a$aan Bernoul' #en*an oe+'%'en

ore%' un&u ener*' #e*ra#a%'.

> ? C#.Ao @ 15 (AoA&)-1-. -* (15-)

Or'+'e Flow "e&er #'%a$'n* !'%a #'*unaan un&u $en*uur al'ran

l'u'#3 *a% ju*a !'%a u$&u #'al'a%'an a#a al'ran %&ea$. Flow "e&er /an*

#'!ua& #ar' !aan UPVC3 PE #an PP a&au PTFE %an*a& oo %eal' un&u al'a%'

al'ran e$'al /an* oro%',e. Pa#a &/e Or'+'e Flow$e&er 'n' a#a ju*a /an*

#'al'a%'an un&u a'ran $a&er'al /an* !era& en&al %eer&' a'ran %lu#e a#a

ro%e% T (a%&e a&er Trea&$en& ) a&au $en*uur *a% /an* $e$un/a'

u$'#'&/ /an* &'n**'. Or'+'e Pla&e /an* al'n* %er'n* #'*unaan un&u en*uuran

on&'n/u a'ran #' #ala$ 'a. "erea ju*a #'*unaan #ala$ !e!eraa %'%&e$

%un*a' e'l un&u $en*uur al'ran #' loa%' #' $ana %un*a' $elewa&' *oron*5

*oron* a&au %aluran. =an/a %e!a*'an e'l %un*a' %e%ua' un&u en**unaan



&enolo*' %eja 'r'n* aru% &e&a %eenun/a &eren#a$ /a'&u en#ea&an 'a

aru% enu3 #an %un*a' aru% %eara %u!%&an%'al !e!a% #ar' u'n*5u'n*.

9. Pro%e#ur erja

1. "e$er%'aan 'a /an* #''%' 'r'n*an or'+'e a&au &a!un* ,en&ur' #an

$e$a%an* ran*a'an +low$e&er.

-. "en*'#uan +low$e&er #an $e$!ua a&u on&rol al'ran a'r un&u

$en*'%' ran*a'an 'a.

0. "en*uur laju al'ran $en**unaan &an*' ,olu$e&r'

9. "en*uur a#a !e#a &eanan /an* &erja#' #en*an $en**unaan

$ano$e&er ra%a a&au a'ran %e%ua' e!u&uan

4. "en&a!ula%'an #a&a /an* #'erole.

<. "en*anal'%a a%'l ero!aan.

4. Da&a Pen*a$a&an

Noen'%

Ta!un*a&u(%eon)

Volu$e(l'&er)

Teanan =* H ($$=*)

Awal A'r K'r'(1)

Kanan(-)

K'r'(1)

Kanan(-)

1 Ven&ur' 123< 12 -- -0- -2< -44 99- Ven&ur' 1230 12 -2 -40 -2 -44 -0 Ven&ur' 1231 12 -12 -42 -2< -44 79 Ven&ur' 1230 12 -2 -49 -2< -44 -

Ra&a5ra&a 1230- 193-4



Noen'%

P'r'n*ana&u(%eon)

Volu$e(l'&er)

Teanan =*H

($$*)Awal A'r

K'r'(1)

Kanan(-)

K'r'(1)

Kanan(-)

1 Or'+'e 123 12 -11 -94 -2< -44 14- Or'+'e 123- 12 -2 -40 -2< -4< 90 Or'+'e 1230 12 -12 -41 -2< -44 89 Or'+'e 1230 12 -2< -49 -29 -44 0

Ra&a5ra&a 1230 3-

<. Per'&un*an

A. Ven&ur'

Per'&un*an laju al'r %eara &eor'

D' : V ? 12 l

& ? 12.0- %

#'& : > ? ..J

> ? sl s

l

t

V 7<8.2

0-.12

12==

Per'&un*an laju al'r %eara ra&e

D' : C# ? 2378

* ? 7822 smm

#2 ? 18 $$

#& ? 92 $$



? 19.-4 $$

D'& : >LJ

awa! :

( )( ) ( )-1

-1-

22 -1 hh xg x A ACdxAQ t −−=

( )-

-

2

1819.09

1

9

1

mm x x

d A

=

= π

-9

-

-

1209.-49

09.-49

0-919.091

dm x

mm

mm x x

−=

=

=

( )

-9

-

-

-

1

121-4<

1-4<

1<2219.09

1

9219.09

1

9

1

dm x

mm

mm x x

mm x x

xd x A

−

=

=

=

=

= π

( )( ) ( )

( )

sl

sdm

smm

smm x xmm

mm x smm x xmm x

mm xmm x x

hh xg x A ACdxAQ

1-7.2

A1-7.2

24II.1-7221

97.4-87I70.2-40-.-97

-4.197822-121-4<

1209.-4911209.-497832

-1

0

0

-

-

-1-

-9

-9-9

-1

-1-

122

===

=

−=

−−=

−

−−

B. Or'+'e$e&er

Per'&un*an laju al'r %eara &eor'

D' : V ? 12 l



& ? 12.0%

#'& : > ? ..J

> ? sl sl

t V 7<9.2

0I.1212 ==

Per'&un*an laju al'r %eara ra&e

D' : C# ? 2378

* ? 7822 smm

#2 ? 18 $$

#& ? 92 $$

? .- #$

D'& : >LJ

awa! :

( )( ) ( )

( )

sl

sdm

smm

smm x xmm

mm x smm x xmm x

mm xmm x x

hh xg x A ACdxAQ

27-.2

A27-.2

7-.7-210

7<.0I<7I70.2-40-.-97

-.I7822-121-4<

1209.-4911209.-497832

-1

0

0

-

-

-1-

-9

-9-9

-1

-1-

122

==

=

=

−=

−−=

−

−−

Ta!el Per!an#'n*an aju Al'r

en'% Ta!un*aju Al'r

Teor' Pra&e

Ven&ur' sl 7<8.2

sl 1-7.2

Or'+'e sl 7<9.2 sl 27-.2



. Anal'%a

Pra&'u$ al' 'n' /a'&u ara&er'%&' 'r'n*an orr'+'e #an ara&er'%&'

&a!un* ,en&ur' !er&ujuan un&u $en*e&au' laju al'ran a'r ( #e!'& ) /an* $en*al'r

#en*an - $e&o#e /a'&u ara er&a$a %eara $anual #en*an ara $en*'&un*

,olu$e a'r er%a&uan wa&u e$u#'an /an* e#ua #en*an $en**unaan &eanan

/an* #'a%'lan ole al'ran a'r /an* $elalu' &a!un* ,en&ur' #an al'ran /an* $elalu'

'r'n*an or'+'e.

Pa#a ero!aan er&a$a /a'&u $en*uur 'n**a ,olu$e 12 l'&er lalu aan$en#aa& wa&u /an* #' erluan un&u $en#aa&an ,olu$e &er%e!u&. Ke$u#'an

#'lauan er'&un*an un&u $enen&uan laju al'r a'r /an* $elalu' &a!un* ,en&ur'

#an /an* $elalu' 'r'n*an or'+'e. Pero!aan 'n' #'lauan %e!an/a 9 al' /an*

!er&ujuan a*ar $en#aa&an a%'l a'r /an* aura& #en*an $el'a& ra&a5ra&a #ar' 9

al' a%'l en*uuran. Per&a$a #'lauan en*uuran #en*an $en**unaan &a!un*

,en&ur' e$u#'an en*uuran #'lanju&an #en*an $en**unaan 'r'n*an or'+'e.

Ke$u#'an ero!aan e#ua3 er!e#aan &eanan an&ara 1 #an - &erja#'

arena a#a !a*'an 'a 1 al'ran a'r $en*al'r le!' ea& #'!an#'n*an #en*an #'

!a*'an 'a - arena %e%aa& %e&ela $elewa&' !a*'an leer $aa eea&an al'ran

a'r aan $enurun arena a#an/a a$!a&an /an* #'!er'an leer &a!un* %aa& a'r

$elewa&'n/a %e'n**a &eanan /an* #'a%'lan a#a !a*'an 'a 1 le!' e'l

#ar'a#a &eanan /an* #'a%'lan a#a !a*'an 'a -.

Teanan 1 a#a &a!un* ,en&ur' %elalu le!' !e%ar #'!an#'n*an #en*an

&eanan 1 a#a 'r'n*an or'+'e3 'n' #'%e!a!an ole a#an/a leer a#a &a!un*,en&ur' /an* $en/e!a!an al'ran a'r $enja#' le!' la$!a& na$un &eanan /an*



#'a%'lan le!' !e%ar #'!an#'n*an &eanan /an* #'a%'lan a#a 'r'n*an or'+'e3

!e*'&uun /an* &erja#' a#a &eanan -.

N'la' %eara &eor' !er!e#a #en*an a%'l /an* #'#aa&an $elalu' ero!aan

#en*an $en**unaan $ano$e&er3 al 'n' #'%e!a!an arena $ano$e&er /an*#'*unaan #ala$ ra&'u$ &'#a !er+un*%' %e!a*a'$ana $e%&'n/a %e'n**a a%'l

/an* #'#aa&an uran* aura&.

8. Ke%'$ulan

• "en*uur laju al'ran a'r #aa& #'lauan #en*an - $e&o#e /a'&u %eara

$anual #en*an $en*'&un* ju$la ,olu$e a'r er %a&uan wa&u a&au

#en*an $en**unaan &a!un* ,en&ur' a&au or'+'e %e'n**a #'#aa& &eanan

/an* #'a%'lan ole al'ran a'r.

• Dar' a%'l ero!aan #' #aa&an :

aju al'r ,en&ur' %eara &eor' ? 2.7<8 l/s

aju al'r ,en&ur' %eara ra&e ? 2.1-7 l/s

aju al'r or'+'e %eara &eor' ? 2.7<9 l/s

aju al'r or'+'e %eara ra&e ? 2.27- l/s



GA"BAR AAT



Da+&ar Pu%&aa

o!%e&& M 'n%&ru$en& #an &en' en*uuran M.-211.Pale$!an*. POSRI

&&:w'ra&a$aen*'neer'n*.wor#re%%.o$-21124-2or'+'e5+low5$e&erA

(#'a%e% 12 O&o!er -211 uul -1.-2 IB)

laporan flow

Documents