Sedikit Formula Biar Segar

8/19/2019 Sedikit Formula Biar Segar

1/88

SEDIKIT FORMULCONTOH TEF-3.04 300 CFM EXHAUST FAN LANTAI 2

=FAN CAPACITY

AIR VELOCISTY500

= 0.63800

Regain = 0.023088 Sq Ft

= x Friction from Chart 100 ft

= 0. 823323 2 "#. $%

= + - Regain

= 0.3 "#.&%

DUCTAREA

FrictionLoss Duct

DuctLength

Total StPress

DuctFriction

FrictionChart

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


2/88

BIAR SEGAR..!!!

I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%

500 800 202.5&'458 'Sq Ft

FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART

500 84 0.0&

' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!'.75 * 202.5&'5 +,

FAN - A 500 '00 FAN - A '00 0.A ,1 400 80 A ,1 84.5 0.5

,1 C 00 0 ,1 C 7.5 0.42200 40 48 0. 0'00 20 27 0.'7

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*


3/88

OPERATIN$ PRESS

0.'5

CA RA IN$

DUCT SI/E ) * 1ELOCIT( )F+M*

8 3 8 200 3 200 8008 3 200 3 '50 77 3 4 '77 3 '00 540

842'

DUCTSI/E


4/88


5/88

BIAR SEGAR..!!!


00 700 '&. 85Sq Ft


00 0.0&

' * = .2808 +, NOTE " #CT LEN$T% TA E FRO! * '&. 85 +,

FAN - A 00 '00 FAN - A '00 0.4A ,1 200 7 A ,1 ' 0.2

,1 C '00 ,1 C 48 0.2'

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

FAN

'

'

4

A LAST

800 CF!

VEL 850

24

4 4

4 4


6/88

OPERATIN$ PRESS

0.'5

CA RA IN$


8 3 8 200 3 200 7008 3 200 3 '50 4277 3 4 '77 3 '00

DUCTSI/E


7/88


=FAN CAPACITY

AIR VELOCISTY00

= 0.43700

Regain = 0.0 6 6 Sq Ft


= 0.0 6 "#. $%

= + - Regain

= 0. "#.&%

DUCTAREA

FrictionLoss Duct

DuctLength

Total StPress

DuctFriction

FrictionChart

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


8/88

BIAR SEGAR..!!!


00 700 '&. 85Sq Ft


00 0.0&

' * = .2808 +, NOTE " #CT LEN$T% TA E FRO! * '&. 85 +,

FAN - A 00 '00 FAN - A '00 0.4A ,1 200 7 A ,1 ' 0.2

,1 C '00 ,1 C 48 0.2'

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

FAN

'

'

4

A LAST

800 CF!

VEL 850

24

4 4

4 4


9/88

OPERATIN$ PRESS

0.'5

CA RA IN$


8 3 8 200 3 200 7008 3 200 3 '50 4277 3 4 '77 3 '00

DUCTSI/E


10/88


=FAN CAPACITY

AIR VELOCISTY'500

= .43'050

Regain = 0.03 268 Sq Ft


= 0.0 2 24 "#. $%

= + - Regain

= 0.2 "#.&%

DUCTAREA

FrictionLoss Duct

DuctLength

Total StPress

DuctFriction

FrictionChart

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


11/88

BIAR SEGAR..!!!


'500 '050 ''0.2 5&&&&&&&Sq Ft


'500 504 0.0&

' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!. * ''0.2 +,

FAN - A '500 '00 FAN - A '00 '.4A ,1 800 5 A ,1 ' 0.87

,1 C 00 40 ,1 C 48 0. &C ,1 LAST 00 20 C ,1 LAST 27 0. &

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

FAN

'

'

4

A LAST

800 CF!

VEL 850

24

4 4

4 4


12/88

OPERATIN$ PRESS

0.'5

CA RA IN$


'8 3 '2 455 3 00 '050'4 3 '0 00 255 4''4 3 8 00 3 225 5048 3 8 284

DUCTSI/E


13/88


=FAN CAPACITY

AIR VELOCISTY500

= 0. 480



= 0.03 03 3 "#. $%

= + - Regain

= 0. "#.&%

DUCTAREA

FrictionLoss Duct

DuctLength

Total StPress

DuctFriction

FrictionChart

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


14/88

BIAR SEGAR..!!!


500 80 58. &88Sq Ft


500 28 0.0

' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!'7.8 * 58. &88 +,

FAN - A 500 '00 FAN - A '00 0.74A ,1 400 80 A ,1 84.5 0. 2

,1 C 00 0 ,1 C 7.5 0.50

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

FAN

'

'

4

A LAST

800 CF!

VEL 850

24

4 4

4 4


15/88

OPERATIN$ PRESS

0.'5

CA RA IN$


'2 3 8 00 3 200 80'0 3 8 255 200 5758 3 8 200 3 200 45&

DUCTSI/E


16/88


=FAN CAPACITY

AIR VELOCISTY'500

= .43'050

Regain = 0.04 2 6 Sq Ft


= 0. 4 4 34 83 "#. $%

= + - Regain

= 0.2 "#.&%

DUCTAREA

FrictionLoss Duct

DuctLength

Total StPress

DuctFriction

FrictionChart

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


17/88

BIAR SEGAR..!!!


'500 '050 '0'.7058 2Sq Ft


'500 28 0.'45

' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!' * '0'.7058 +,

'50'50

700 00

'50

'50

FAN - A '500 '00 FAN - A '00 '.4A ,1 700 47 A ,1 55 0.7&

,1 C 00 40 ,1 C 48 0. &C ,1 400 27 C ,1 4.5 0.4&

,1 E 00 20 ,1 E 27 0. &E ,1 LAST 200 ' E ,1 LAST '&.5 0.28

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

FAN

'

'

4

A LAST

800 CF!

VEL 850

24

4 4

4 4


18/88

OPERATIN$ PRESS

0.'5

CA RA IN$


'2 3 '' 00 3 280 '050'2 3 '0 00 255 578'2 3 & 00 3 225 504'0 3 8 255 3 200 28 3 8 200 3 200 2848 3 200 3 '50 205

DUCTSI/E


19/88


=FAN CAPACITY

AIR VELOCISTY'500

= .43'050

Regain = 0.0443660 6 Sq Ft


= 0.06233 8333 "#. $%

= + - Regain

= 0. "#.&%

DUCTAREA

FrictionLoss Duct

DuctLength

Total StPress

DuctFriction

FrictionChart

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


20/88

BIAR SEGAR..!!!


'500 '050 5. 'Sq Ft


'500 &5 0.0&5

' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!20 * 5. ' 7 +,

'50'50

700 00

'50

'50

FAN - A '500 '00 FAN - A '00 '.4A ,1 700 47 A ,1 &0.5 '.2&

,1 C 00 40 ,1 C 80.5 '.'5C ,1 400 27 C ,1 58 0.8

,1 E 00 20 ,1 E 4 0.E ,1 LAST 200 ' E ,1 LAST 2.5 0.4

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

FAN

'

'

4

A LAST

800 CF!

VEL 850

24

4 4

4 4


21/88

CA RA IN$


'2 3 '' 00 3 280 '050'2 3 '0 00 255 ' 58'2 3 & 00 3 225 '5 ''0 3 8 255 3 200 '2&48 3 8 200 3 200 8508 3 200 3 '50 &5

DUCTSI/E


22/88


=FAN CAPACITY

AIR VELOCISTY&00

= .08 0



= 0.06233 8333 "#. $%

= + - Regain

= 0. 2 "#.&%

DUCTAREA

FrictionLoss Duct

DuctLength

Total StPress

DuctFriction

FrictionChart

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


23/88

BIAR SEGAR..!!!


&00 8 0 5. 'Sq Ft


&00 200 0.0&5


'50'50 '50

700 00

'50'50

'50

FAN - A &00 '00 FAN - A '00 '.05A ,1 700 78 A ,1 &0.5 0.&5

,1 C 00 7 ,1 C 80.5 0.84C ,1 400 44 C ,1 58 0. '

,1 E 00 ,1 E 4 0.48E ,1 LAST 200 22 E ,1 LAST 2.5 0. 4

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

FAN4

'

4

A LAST

800 CF!

VEL 850

2

4


24/88

CA RA IN$


'2 3 '' 00 3 280 8 0'2 3 '0 00 255 8'5'2 3 & 00 3 225 8'0 3 8 255 3 200 4'8 3 8 200 3 200 2008 3 200 3 '50 8

DUCTSI/E


25/88


=FAN CAPACITY

AIR VELOCISTY800

= 0. 4850

Regain = 0.026 008 06 Sq Ft


= 0.0 0 "#. $%

= + - Regain

= 0. 8 "#.&%

DUCTAREA

FrictionLoss Duct

DuctLength

Total StPress

DuctFriction

FrictionChart

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


26/88

BIAR SEGAR..!!!


800 850 5. 'Sq Ft


800 &' 0.0&


'00 '00

700 00 400 00 200'00

'00'00 '00

FAN - A 800 '00 FAN - A '00 0.&4A ,1 700 88 A ,1 &0.5 0.85

,1 C 00 75 ,1 C 80.5 0.7C ,1 400 50 C ,1 58 0.55

,1 E 00 8 ,1 E 4 0.4E ,1 LAST 200 25 E ,1 LAST 2.5 0. '

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

FAN 4

2

'

5

A C LAST

800 CF!

VEL 850

7

8

E


27/88

OPERATIN$ PRESS

0.'5

CA RA IN$

'00

'00


'2 3 '' 00 3 280 850'2 3 '0 00 255 7 &'2 3 & 00 3 225 84'0 3 8 255 3 200 4&8 3 8 200 3 200 &'8 3 200 3 '50 27

DUCTSI/E


28/88


=FAN CAPACITY

AIR VELOCISTY'500

= .43'050



= 0.0442 2 "#. $%

= + - Regain

= 0. 6 "#.&%

DUCTAREA

FrictionLoss Duct

DuctLength

Total StPress

DuctFriction

FrictionChart

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


29/88

BIAR SEGAR..!!!


'500 '050 4&.2'25Sq Ft


'500 578 0.0&

' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!'5 * 4&.2'25 +,

'00 '00

'0'

7&

'00 '00 '00 '00'00

'00 '00

FAN - A '500 '00 FAN - A '00 '.4A ,1 &00 0 A ,1 7.5 0.&

,1 C 700 47 ,1 C 55 0.7&C ,1 LAST 400 27 C ,1 LAST 4.5 0.4&

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

FAN

4

5

2 '87 &

A C

'500 CF! VEL '050


30/88

OPERATIN$ PRESS

0.'5

CA RA IN$

'00 '00 200

&2

'00 '00


'8 3 '2 455 00 '050'2 '2 00 00 70&'2 '0 00 3 255 578'0 3 8 255 3 200 2

DUCTSI/E

''

'0

'4'

'2

LAST


31/88


=FAN CAPACITY

AIR VELOCISTY00

= 0.3820



= 0.0 8 4 "#. $%

= + - Regain

= 0.2 "#.&%

DUCTAREA

FrictionLoss Duct

DuctLength

Total StPress

DuctFriction

FrictionChart

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


32/88

BIAR SEGAR..!!!


00 820 4&.2'25Sq Ft


00 '74 0.'

' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!'5 * 4&.2'25 +,

0000 200

A

FAN - A 00 '00 FAN - A '00 0. 7A ,1 200 7 A ,1 7 .5 0.27

,1 5 '00 50 ,1 5 58 0.2'

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

FAN

2'


33/88

OPERATIN$ PRESS

0.'5

CA RA IN$

'00


8 3 8 200 200 8208 200 '50 22'7 4 '77 3 '00 '74

DUCTSI/E


34/88

SEDIKIT FORMULA BCONTOH EF- .0 4 0 CFM EXHAUST FAN LANTAI

=FAN CAPACITY

AIR VELOCISTY450

= 0.30 Sq Ft'500


= Duct Area + - Regain

= 0.44 "#.&%

DUCT

AREA

Total StPress TerminalPressure

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


35/88

CONTOH EF- .02 3 00 CFM EXHAUST FAN LANTAI

=FAN CAPACITY

AIR VELOCISTY

500= 2.33 Sq Ft

'500

Regain = 0. 66 8 Sq Ft

DUCTAREA

=0.75[( )/4000)^2( − ((

)/4000) ^2 ]


36/88


= .86 "#.&%

Total StPress

TerminalPressure


37/88


38/88

CONTOH EF- .03 800 CFM EXHAUST FAN LANTAI

=FAN CAPACITY

AIR VELOCISTY

'800 = .20 Sq Ft'500

Regain = 0. 3 062 Sq Ft


DUCTAREA

Total StPress

TerminalPressure

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


39/88

. .


=FAN CAPACITY

AIR VELOCISTY

800

DUCTAREA


40/88

'500.



= 0.66 "#.&%

Total StPress

TerminalPressure

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


41/88


=FAN CAPACITY

AIR VELOCISTY

'500= . 0 Sq Ft

'000

DUCTAREA


42/88



= .4 "#.&%

Total StPress

TerminalPressure

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


43/88


44/88

IAR SEGAR..!!!

I!ANA " FAN CAPACITY AIR VELOCITY

450 '500 IN+UT HERE..!!FAN CAPACITY LAST SECTION CAP TER!INAL PRESS#RE

450 '50 0.'5

'00450

A 50450

FAN - A 450 '00 FAN - A '00 0. 0 '0 3 8

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

DUCTSI/E

FAN

'


45/88

A ,1 50 78 A ,1 8 0.25 '0 3 8

,1 200 44 ,1 52 0.' 8 3

,1 2 '50 ,1 2 4' 0.'2 8 3

A ,1 ' '00 22 A ,1 ' 2&.5 0.0& 3



500 400 0.0&5

275 275


46/88

275 275

500A 2400 2050

500

FAN - A 500 '00 FAN - A '00 2.

A ,1 2400 & A ,1 75.5 '.7

,1 C 2050 5& ,1 .5 '.55

C ,1 '850 5 ,1 2 ' '.42 ,1 E '250 A ,1 ' 44 '.0

E ,1 F 850 24 A ,1 2 '.5 0.74

F ,1 $ 700 20 A ,1 27 0.

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

DUCTSI/E

FAN

' 2 5

7


47/88

$ ,1 % 550 ' A ,1 4 2 0.54

% ,1 LAST 400 '' A ,1 5 '7.5 0.4'


48/88


'800 '500 IN+UT HERE..!!

FAN CAPACITY LAST SECTION CAP TER!INAL PRESS#RE'800 &00 0.'5

450 450

'800

'800 &00

A

450

FAN

2

'

4


49/88

450

FAN - A '800 '00 FAN - A '00 '.20 '0 3 8A ,1 LAST &00 50 A ,1 LAST 58 0.70 '0 3 8



DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

DUCTSI/E


50/88

800 200 0.'5

200

200 200

800

800 00 200

A

FAN

2

'

4


51/88

200

FAN - A 800 '00 FAN - A '00 0.5A ,1 00 75 A ,1 80.5 0.4

,1 4 200 ,1 4 4' 0.22


'500 '000 IN+UT HERE..!!FAN CAPACITY LAST SECTION CAP TER!INAL PRESS#RE

'500 500 0.085

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

DUCTSI/E


52/88

'0' '0'

275 275

7200

7200 '00 '0' '0'

A

275 275 '0' '0'

FAN

4

8

&

2' 5

'

0

7


53/88

FAN - A 7200 '00 FAN - A '00 '.50

A ,1 '00 85 A ,1 80.5 '.2' ,1 4 '0' '7 ,1 4 4' 0. 2

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

DUCTSI/E


54/88

!

200

200

'50


55/88

!

2

''


56/88

'850 '250C E

8

&

'0 '4 '5

'

'2


57/88


58/88

!


59/88

!


60/88


61/88

!


62/88


63/88


64/88


65/88


66/88

850 700 550 400F $ %

' '7 '8

'&

20


67/88


68/88


69/88


70/88


71/88


72/88


73/88


74/88

CONTOH UNTUK LANTAI 3 RUANG DOTS

=FAN CAPACITY I!ANA " FAN CAPACITY

INITIAL VELOCITY '000

'000= .06 Sq Ft

FAN CAPACITY&40 '000

' * = .2808 +,'8 * 5&.055

'500

Regain = 0.02 4 03 Sq Ft'500

A

= x Friction from Chart

100 ft

= 0.0 0866 "#. $%

= + - Regain FAN - A '500 '00 FAA ,1 '000 7

= 0. "#.&% ,1 L 6, 500 50

DUCTAREA

FrictionLoss Duct

DuctLength

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

Total StPress

DuctFriction

FrictionChart

FAN

=0.75[( )/4000)^2( − (()/4000) ^2 ]


75/88


76/88

BIAR SEGAR..!!!


7200 '500 &7.44074&&&&&Sq Ft


7200 2&52 0.0&

' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!2&.7 * &7.44075 +,

'0'

275 275

72007200 '00 '0'

A

275 275 '0'

FAN - A 7200 '00 FAN - A '00 4.80A ,1 '00 85 A ,1 80.5 .8

,1 5 '0' '7 ,1 5 4' '.&7

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

FAN

4

&

2' 5

7


77/88

CA RA IN$

'0'

'0'

'0'


0 24 7 0 00 '5000 22 7 0 558 57&

'4 '2 55 3 00 2&52885750

DUCTSI/E

8

'0


78/88

SEDIKIT FORMULCONTOH EF- .06 200 CFM EXHAUST FAN LANTAI

=FAN CAPACITY

AIR VELOCISTY7200

= 4.80'500



= 0. 033462 "#. $%

= + - Regain

= 0.22 "#.&%

DUCTAREA

FrictionLoss Duct

DuctLength

Total StPress

DuctFriction

FrictionChart

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


79/88

BIAR SEGAR..!!!


7200 '500 ''4.82&'Sq Ft


7200 '208 0.0&

' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!5 * ''4.82&2 +,

'0'

275 275

72007200 '00 '0'

A

275 275 '0'

FAN - A 7200 '00 FAN - A '00 4.80A ,1 '00 85 A ,1 80.5 .8

,1 5 '0' '7 ,1 5 4' '.&7

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

FAN

4

&

2' 5

7


80/88

OPERATIN$ PRESS

0.'5

CA RA IN$

'0'

'0'

'0'


0 24 7 0 00 '5000 22 7 0 558 '208

'4 '2 55 3 00 '5

DUCTSI/E

8

'0


81/88

SEDIKIT FORMULCONTOH EF- .04 800 CFM EXHAUST FAN LANTAI

=FAN CAPACITY

AIR VELOCISTY800

= 0.8&40



= 0. 4 32 "#. $%

= + - Regain

= 0.26 "#.&%

DUCTAREA

FrictionLoss Duct

DuctLength

Total StPress

DuctFriction

FrictionChart

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


82/88

BIAR SEGAR..!!!


800 &40 ''8.'0&&&&&&&&Sq Ft


800 552 0.'2

' * = .2808 +, NOTE " #CT LEN$T% TA E FRO! * ''8.'' +,

200

200

800800 00 200

A

200

FAN - A 800 '00 FAN - A '00 0.85A ,1 00 75 A ,1 80.5 0. &

,1 4 200 ,1 4 4' 0. 5

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

FAN

2

'

4


83/88

OPERATIN$ PRESS

0.'5

CA RA IN$

200


'2 3 '' 00 280 &40'2 3 & 00 228 7578 3 200 3 '50 85

DUCTSI/E


84/88

SEDIKIT FORMULCONTOH EF- .0 4 0 CFM EXHAUST FAN LANTAI

=FAN CAPACITY

AIR VELOCISTY'800

= .64''00

Regain = 0.03 638 62 Sq Ft


= 0.03608 66 "#. $%

= + - Regain

= 0. "#.&%

DUCTAREA

FrictionLoss Duct

DuctLength

Total StPress

DuctFriction

FrictionChart

=0.75[( )/4000)^2( − (( )/4000) ^2 ]


85/88

BIAR SEGAR..!!!


'800 ''00 .08&'Sq Ft


'800 8 0.'

' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!'' * .08&'7 +,

450

'800'800 &00

A

'200 '0 8

450

FAN - A '800 '00 FAN - A '00 '. 4A ,1 LAST &00 50 A ,1 LAST 58 0.&5

DUCTSECTION

AIR 'T()CFM*

CFM CA+),*

DUCTSECTION

DUCTAREA ),*

AREA) q t*

FAN

2

'

4


86/88

OPERATIN$ PRESS

0.'5

CA RA IN$

450

450


'8 3 '4 450 55 ''00'2 3 '2 00 00 8

DUCTSI/E


87/88


=FAN CAPACITY I!ANA "AIR VELOCISTY

500= 2.80 Sq Ft

'250

Regain = 0.06 3 4 8 Sq Ft


100 ft

= 0. 620 3 66 "#. $%500

= + - Regain

= 0.24 "#.&%

FAN - A

A ,1 2 ,1 C 2

C ,1 '8 ,1 E '2

E ,1 FF ,1 $ 7$ ,1 % 5

% ,1 LAST

DUCTAREA

Friction

Loss Duct

DuctLength

Total StPress

DuctFriction

FrictionChart

DUCTSECTION

A)

=0.75[( )/4000)^2( − (( )/4000) ^2 ]

FAN


88/88


=FAN CAPACITY I!ANA " FAN CAAIR VELOCISTY 45

450 = 0. 8 Sq Ft FAN CA780 45

' * =' *


450 800


100 ft

= 0.046 6 "#. $%

= + - RegainFAN - A 450

= 0. "#.&%A ,1 50

,1 200 ,1 2 '50

A ,1 ' '00

DUCTAREA

FrictionLoss Duct

DuctLength

DUCTSECTION

AIR 'T()CFM*Total St

PressDuct

FrictionFrictionChart

FAN

=0.75[( )/4000)^2( − (( )/4000) ^2 ]

Sedikit Formula Biar Segar

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