Kul Humidifikasi 4-2

7/26/2019 Kul Humidifikasi 4-2

1/14

SISTEM SIRKULASI AIR PENDINGIN

SIRKULASI TERTUTUP (CLOSED

CIRCULATION SYSTEM)SIRKULASI TERBUKA (OPENED

CIRCULATION SYSTEM)

SISTEM SEKALI LEWAT (ONCE THROUGH

CIRCULATION)


2/14

cooler /

conen!or

Pen"#$%n&

"'r 'n&'n

Pen"#$%n&

"'r $"n"!

A'r 'n&'n

A'r $"n"!

c'ller

SIRKULASI

TERTUTUP


3/14

cooler / conen!or

COOLING

TOWER

%"r"

M"e %$

*"+er

Pen"#$%n&

"'r 'n&'n

Pen"#$%n&

"'r $"n"!

A'r 'n&'n

A'r $"n"!

A'r $"n"!

SIRKULASI

TERBUKA


4/14

ONCE THROUGH

SYSTEM

COOLER /

CONDENSER

AIR LAUT

A'r 'n&'n

A'r $"n"!


5/14

COOLING

TOWER

natural

circulationtowr!

"c#anical

$ra%t towr!

At"o!ric

towr

Natural $ra%t

'orc$ $ra%t

In$uc$ $ra%t

S&ra( towr

S&ra( c#a")r


6/14

I!'"n

($"c'n&)

no,,leA'r $"n"!

U"r"

A'r 'n&'nBASIN

lo%-er!

ATMOSPHERIC

TOWER

. 012 3 4 #$ (#'n'#"l)

2 3 5 #$ (o$+'#"l)


7/14

UDARA

NATURAL DRA'T

UDARA

BASIN

no,,le

I!'"n

($"c'n&)

Dr'6+ ele#'n"+or

cero7on&

AIR DINGIN

Te#$er"+%r "n %#''+8%"r" ren"

AIR PANAS


8/14

AIR PANAS

BASIN

AIR DINGIN

UDARA

9AN

'!'"n

'ORCE DRA'T


9/14

UDARA

BASIN

I!'"n

($"c'n&)

AIR PANAS

UDARA

AIR DINGIN

Dr'6+ ele#'n"+or

9AN

lo%-er!

INDUCE DRA'T:;;;


10/14

*

?: ;

?0 ?

?

!L

Lt

LH

!

SG!

Y

Gt

!H

!

1L

!

2L

2Lt

2LH

1Lt

1LH

!

SG

!

SG

!

1

Y

!

2Y

1Gt

2Gt

!

1H

!

2H

!

SG

1! dLL +

LL dtt +

LL dHH +

!! dYY +GG

dtt +

!! dHH +

+

,

A'r $"n"!

A'r 'n&'n

U"r" #"!%

U"r" el%"r

!

1

!

2 YY >

12 GG tt >

!

1

!

2 HH >

12 LL tt >

12 LL HH >!

1

!

2 LL >

11

11

11

GL

GL

GL

tt

tt

tt

=

>


11/14

AIRUDARA

PUNCAK MENARA

DASAR MENARA

!Y

!Y

U"$ "'r

U"$ "'rintr%ac

!

iY

!

iY

it

it

xt

xt

yt

yt

P"n"! !en!'7el

P"n"! !en!'7el

P"n"! l"+en

P"n"! !en!'7el P"n"! !en!'7el

P"n"! l"+en


12/14

Per7e""n +e#$er"+%r el%"r #en"r" "n +e#$er"+%r *e+7%l7 %"r" #"!% '!e7%+ "$$ro"c(+L:< +*:) = < 2 o9

Per7e""n +e#$er"+%r "'r el%"r #en"r" "n +e#$er"+%r "'r#"!% '!e7%+ r"n&e(+L0< +L:)

T'n&&' #en"r"'+en+%"n "r' R"n&e "$$ro"c1 R"n&e 02


13/14

PROSES KONTAK CAIR< (GASUAP)

TERJADI PERPINDAHAN PANAS MASSA SECARASIMULTAN E9ISIENSI DIPENGARUHI OLEH

:1 LUAS PERMUKAAN BIDANG KONTAK

(INTER9ACIAL SUR9ACE AREA)

< PEMAKAIAN NO??LE< BAHAN ISIAN (PACKING) LUAS

DAN TURBULENSI 9LUIDA1

01 WAKTU KONTAK

< PEMASANGAN BA99LE (TRAY PLATE

PACKING)

41 DRI.ING 9ORCE

(PERBEDAAN SUHU / PERBEDAAN TEKANAN

PARSIEL UAP)


14/14

,

D'!c"r&e : +e+e! / e+

9ee : +e+e! / e+

2

21 gz=

? :5 6+KOLOM

I

KOLOM

II

Waktu kontak (det) 1 5

Jumlah tetes 1 5

III

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Kul Humidifikasi 4-2