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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 "#. $%
= + - Regain
= 0.3 "#.&%
DUCTAREA
FrictionLoss Duct
DuctLength
Total StPress
DuctFriction
FrictionChart
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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BIAR SEGAR..!!!
I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%
500 800 202.5&'458 'Sq Ft
FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART
500 84 0.0&
' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!'.75 * 202.5&'5 +,
FAN - A 500 '00 FAN - A '00 0.A ,1 400 80 A ,1 84.5 0.5
,1 C 00 0 ,1 C 7.5 0.42200 40 48 0. 0'00 20 27 0.'7
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
DUCTSECTION
DUCTAREA ),*
AREA) q t*
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OPERATIN$ 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
8/19/2019 Sedikit Formula Biar Segar
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8/19/2019 Sedikit Formula Biar Segar
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BIAR SEGAR..!!!
I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%
00 700 '&. 85Sq Ft
FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART
00 0.0&
' * = .2808 +, NOTE " #CT LEN$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
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OPERATIN$ PRESS
0.'5
CA RA IN$
DUCT SI/E ) * 1ELOCIT( )F+M*
8 3 8 200 3 200 7008 3 200 3 '50 4277 3 4 '77 3 '00
DUCTSI/E
8/19/2019 Sedikit Formula Biar Segar
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SEDIKIT FORMULCONTOH TEF-3.03 300 CFM EXHAUST FAN LANTAI 2
=FAN CAPACITY
AIR VELOCISTY00
= 0.43700
Regain = 0.0 6 6 Sq Ft
= x Friction from Chart 100 ft
= 0.0 6 "#. $%
= + - Regain
= 0. "#.&%
DUCTAREA
FrictionLoss Duct
DuctLength
Total StPress
DuctFriction
FrictionChart
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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BIAR SEGAR..!!!
I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%
00 700 '&. 85Sq Ft
FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART
00 0.0&
' * = .2808 +, NOTE " #CT LEN$T% TA E FRO! * '&. 85 +,
FAN - A 00 '00 FAN - A '00 0.4A ,1 200 7 A ,1 ' 0.2
,1 C '00 ,1 C 48 0.2'
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
DUCTSECTION
DUCTAREA ),*
AREA) q t*
FAN
'
'
4
A LAST
800 CF!
VEL 850
24
4 4
4 4
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OPERATIN$ PRESS
0.'5
CA RA IN$
DUCT SI/E ) * 1ELOCIT( )F+M*
8 3 8 200 3 200 7008 3 200 3 '50 4277 3 4 '77 3 '00
DUCTSI/E
8/19/2019 Sedikit Formula Biar Segar
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SEDIKIT FORMULCONTOH TEF-3.02 00 CFM EXHAUST FAN LANTAI 2
=FAN CAPACITY
AIR VELOCISTY'500
= .43'050
Regain = 0.03 268 Sq Ft
= x Friction from Chart 100 ft
= 0.0 2 24 "#. $%
= + - Regain
= 0.2 "#.&%
DUCTAREA
FrictionLoss Duct
DuctLength
Total StPress
DuctFriction
FrictionChart
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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BIAR SEGAR..!!!
I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%
'500 '050 ''0.2 5&&&&&&&Sq Ft
FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART
'500 504 0.0&
' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!. * ''0.2 +,
FAN - A '500 '00 FAN - A '00 '.4A ,1 800 5 A ,1 ' 0.87
,1 C 00 40 ,1 C 48 0. &C ,1 LAST 00 20 C ,1 LAST 27 0. &
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
DUCTSECTION
DUCTAREA ),*
AREA) q t*
FAN
'
'
4
A LAST
800 CF!
VEL 850
24
4 4
4 4
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OPERATIN$ PRESS
0.'5
CA RA IN$
DUCT SI/E ) * 1ELOCIT( )F+M*
'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
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SEDIKIT FORMULCONTOH TEF-3.0 00 CFM EXHAUST FAN LANTAI 2
=FAN CAPACITY
AIR VELOCISTY500
= 0. 480
Regain = 0.0 20828 Sq Ft
= x Friction from Chart 100 ft
= 0.03 03 3 "#. $%
= + - Regain
= 0. "#.&%
DUCTAREA
FrictionLoss Duct
DuctLength
Total StPress
DuctFriction
FrictionChart
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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BIAR SEGAR..!!!
I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%
500 80 58. &88Sq Ft
FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART
500 28 0.0
' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!'7.8 * 58. &88 +,
FAN - A 500 '00 FAN - A '00 0.74A ,1 400 80 A ,1 84.5 0. 2
,1 C 00 0 ,1 C 7.5 0.50
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
DUCTSECTION
DUCTAREA ),*
AREA) q t*
FAN
'
'
4
A LAST
800 CF!
VEL 850
24
4 4
4 4
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OPERATIN$ PRESS
0.'5
CA RA IN$
DUCT SI/E ) * 1ELOCIT( )F+M*
'2 3 8 00 3 200 80'0 3 8 255 200 5758 3 8 200 3 200 45&
DUCTSI/E
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SEDIKIT FORMULCONTOH TEF-2.06 00 CFM EXHAUST FAN LANTAI 2
=FAN CAPACITY
AIR VELOCISTY'500
= .43'050
Regain = 0.04 2 6 Sq Ft
= x Friction from Chart 100 ft
= 0. 4 4 34 83 "#. $%
= + - Regain
= 0.2 "#.&%
DUCTAREA
FrictionLoss Duct
DuctLength
Total StPress
DuctFriction
FrictionChart
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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BIAR SEGAR..!!!
I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%
'500 '050 '0'.7058 2Sq Ft
FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART
'500 28 0.'45
' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!' * '0'.7058 +,
'50'50
700 00
'50
'50
FAN - A '500 '00 FAN - A '00 '.4A ,1 700 47 A ,1 55 0.7&
,1 C 00 40 ,1 C 48 0. &C ,1 400 27 C ,1 4.5 0.4&
,1 E 00 20 ,1 E 27 0. &E ,1 LAST 200 ' E ,1 LAST '&.5 0.28
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
DUCTSECTION
DUCTAREA ),*
AREA) q t*
FAN
'
'
4
A LAST
800 CF!
VEL 850
24
4 4
4 4
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OPERATIN$ PRESS
0.'5
CA RA IN$
DUCT SI/E ) * 1ELOCIT( )F+M*
'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
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SEDIKIT FORMULCONTOH TEF-2.0 00 CFM EXHAUST FAN LANTAI 2
=FAN CAPACITY
AIR VELOCISTY'500
= .43'050
Regain = 0.0443660 6 Sq Ft
= x Friction from Chart 100 ft
= 0.06233 8333 "#. $%
= + - Regain
= 0. "#.&%
DUCTAREA
FrictionLoss Duct
DuctLength
Total StPress
DuctFriction
FrictionChart
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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BIAR SEGAR..!!!
I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%
'500 '050 5. 'Sq Ft
FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART
'500 &5 0.0&5
' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!20 * 5. ' 7 +,
'50'50
700 00
'50
'50
FAN - A '500 '00 FAN - A '00 '.4A ,1 700 47 A ,1 &0.5 '.2&
,1 C 00 40 ,1 C 80.5 '.'5C ,1 400 27 C ,1 58 0.8
,1 E 00 20 ,1 E 4 0.E ,1 LAST 200 ' E ,1 LAST 2.5 0.4
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
DUCTSECTION
DUCTAREA ),*
AREA) q t*
FAN
'
'
4
A LAST
800 CF!
VEL 850
24
4 4
4 4
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CA RA IN$
DUCT SI/E ) * 1ELOCIT( )F+M*
'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
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SEDIKIT FORMULCONTOH TEF-2.04 00 CFM EXHAUST FAN LANTAI 2
=FAN CAPACITY
AIR VELOCISTY&00
= .08 0
Regain = 0.032 3 Sq Ft
= x Friction from Chart 100 ft
= 0.06233 8333 "#. $%
= + - Regain
= 0. 2 "#.&%
DUCTAREA
FrictionLoss Duct
DuctLength
Total StPress
DuctFriction
FrictionChart
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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BIAR SEGAR..!!!
I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%
&00 8 0 5. 'Sq Ft
FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART
&00 200 0.0&5
' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!20 * 5. ' 7 +,
'50'50 '50
700 00
'50'50
'50
FAN - A &00 '00 FAN - A '00 '.05A ,1 700 78 A ,1 &0.5 0.&5
,1 C 00 7 ,1 C 80.5 0.84C ,1 400 44 C ,1 58 0. '
,1 E 00 ,1 E 4 0.48E ,1 LAST 200 22 E ,1 LAST 2.5 0. 4
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
DUCTSECTION
DUCTAREA ),*
AREA) q t*
FAN4
'
4
A LAST
800 CF!
VEL 850
2
4
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CA RA IN$
DUCT SI/E ) * 1ELOCIT( )F+M*
'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
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SEDIKIT FORMULCONTOH TEF-2.03 800 CFM EXHAUST FAN LANTAI 2
=FAN CAPACITY
AIR VELOCISTY800
= 0. 4850
Regain = 0.026 008 06 Sq Ft
= x Friction from Chart 100 ft
= 0.0 0 "#. $%
= + - Regain
= 0. 8 "#.&%
DUCTAREA
FrictionLoss Duct
DuctLength
Total StPress
DuctFriction
FrictionChart
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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BIAR SEGAR..!!!
I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%
800 850 5. 'Sq Ft
FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART
800 &' 0.0&
' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!20 * 5. ' 7 +,
'00 '00
700 00 400 00 200'00
'00'00 '00
FAN - A 800 '00 FAN - A '00 0.&4A ,1 700 88 A ,1 &0.5 0.85
,1 C 00 75 ,1 C 80.5 0.7C ,1 400 50 C ,1 58 0.55
,1 E 00 8 ,1 E 4 0.4E ,1 LAST 200 25 E ,1 LAST 2.5 0. '
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
DUCTSECTION
DUCTAREA ),*
AREA) q t*
FAN 4
2
'
5
A C LAST
800 CF!
VEL 850
7
8
E
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OPERATIN$ PRESS
0.'5
CA RA IN$
'00
'00
DUCT SI/E ) * 1ELOCIT( )F+M*
'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
8/19/2019 Sedikit Formula Biar Segar
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SEDIKIT FORMULCONTOH TEF-2.02 00 CFM EXHAUST FAN LANTAI 2
=FAN CAPACITY
AIR VELOCISTY'500
= .43'050
Regain = 0.0360 Sq Ft
= x Friction from Chart 100 ft
= 0.0442 2 "#. $%
= + - Regain
= 0. 6 "#.&%
DUCTAREA
FrictionLoss Duct
DuctLength
Total StPress
DuctFriction
FrictionChart
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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BIAR SEGAR..!!!
I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%
'500 '050 4&.2'25Sq Ft
FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART
'500 578 0.0&
' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!'5 * 4&.2'25 +,
'00 '00
'0'
7&
'00 '00 '00 '00'00
'00 '00
FAN - A '500 '00 FAN - A '00 '.4A ,1 &00 0 A ,1 7.5 0.&
,1 C 700 47 ,1 C 55 0.7&C ,1 LAST 400 27 C ,1 LAST 4.5 0.4&
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
DUCTSECTION
DUCTAREA ),*
AREA) q t*
FAN
4
5
2 '87 &
A C
'500 CF! VEL '050
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OPERATIN$ PRESS
0.'5
CA RA IN$
'00 '00 200
&2
'00 '00
DUCT SI/E ) * 1ELOCIT( )F+M*
'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
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SEDIKIT FORMULCONTOH TEF-2.0 300 CFM EXHAUST FAN LANTAI 2
=FAN CAPACITY
AIR VELOCISTY00
= 0.3820
Regain = 0.0300 62 Sq Ft
= x Friction from Chart 100 ft
= 0.0 8 4 "#. $%
= + - Regain
= 0.2 "#.&%
DUCTAREA
FrictionLoss Duct
DuctLength
Total StPress
DuctFriction
FrictionChart
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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BIAR SEGAR..!!!
I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%
00 820 4&.2'25Sq Ft
FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART
00 '74 0.'
' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!'5 * 4&.2'25 +,
0000 200
A
FAN - A 00 '00 FAN - A '00 0. 7A ,1 200 7 A ,1 7 .5 0.27
,1 5 '00 50 ,1 5 58 0.2'
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
DUCTSECTION
DUCTAREA ),*
AREA) q t*
FAN
2'
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OPERATIN$ PRESS
0.'5
CA RA IN$
'00
DUCT SI/E ) * 1ELOCIT( )F+M*
8 3 8 200 200 8208 200 '50 22'7 4 '77 3 '00 '74
DUCTSI/E
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SEDIKIT FORMULA BCONTOH EF- .0 4 0 CFM EXHAUST FAN LANTAI
=FAN CAPACITY
AIR VELOCISTY450
= 0.30 Sq Ft'500
Regain = 0.00843 Sq Ft
= Duct Area + - Regain
= 0.44 "#.&%
DUCT
AREA
Total StPress TerminalPressure
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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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 ]
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= Duct Area + - Regain
= .86 "#.&%
Total StPress
TerminalPressure
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CONTOH EF- .03 800 CFM EXHAUST FAN LANTAI
=FAN CAPACITY
AIR VELOCISTY
'800 = .20 Sq Ft'500
Regain = 0. 3 062 Sq Ft
= Duct Area + - Regain
DUCTAREA
Total StPress
TerminalPressure
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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. .
CONTOH EF- .04 800 CFM EXHAUST FAN LANTAI
=FAN CAPACITY
AIR VELOCISTY
800
DUCTAREA
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'500.
Regain = 0.028 2 Sq Ft
= Duct Area + - Regain
= 0.66 "#.&%
Total StPress
TerminalPressure
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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CONTOH EF- .06 200 CFM EXHAUST FAN LANTAI
=FAN CAPACITY
AIR VELOCISTY
'500= . 0 Sq Ft
'000
DUCTAREA
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Regain = 0.0 3 Sq Ft
= Duct Area + - Regain
= .4 "#.&%
Total StPress
TerminalPressure
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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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
'
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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
I!ANA " FAN CAPACITY AIR VELOCITY
500 '500 IN+UT HERE..!!FAN CAPACITY LAST SECTION CAP TER!INAL PRESS#RE
500 400 0.0&5
275 275
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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
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$ ,1 % 550 ' A ,1 4 2 0.54
% ,1 LAST 400 '' A ,1 5 '7.5 0.4'
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I!ANA " FAN CAPACITY AIR VELOCITY
'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
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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
I!ANA " FAN CAPACITY AIR VELOCITY
800 '500 IN+UT HERE..!!FAN CAPACITY LAST SECTION CAP TER!INAL PRESS#RE
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
DUCTSECTION
DUCTAREA ),*
AREA) q t*
DUCTSI/E
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800 200 0.'5
200
200 200
800
800 00 200
A
FAN
2
'
4
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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
I!ANA " FAN CAPACITY AIR VELOCITY
'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
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'0' '0'
275 275
7200
7200 '00 '0' '0'
A
275 275 '0' '0'
FAN
4
8
&
2' 5
'
0
7
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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
8/19/2019 Sedikit Formula Biar Segar
54/88
!
200
200
'50
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55/88
!
2
''
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56/88
'850 '250C E
8
&
'0 '4 '5
'
'2
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57/88
8/19/2019 Sedikit Formula Biar Segar
58/88
!
8/19/2019 Sedikit Formula Biar Segar
59/88
!
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60/88
8/19/2019 Sedikit Formula Biar Segar
61/88
!
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62/88
8/19/2019 Sedikit Formula Biar Segar
63/88
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64/88
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65/88
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66/88
850 700 550 400F $ %
' '7 '8
'&
20
8/19/2019 Sedikit Formula Biar Segar
67/88
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68/88
8/19/2019 Sedikit Formula Biar Segar
69/88
8/19/2019 Sedikit Formula Biar Segar
70/88
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71/88
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72/88
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73/88
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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 "#. $%
= + - Regain FAN - A '500 '00 FAA ,1 '000 7
= 0. "#.&% ,1 L 6, 500 50
DUCTAREA
FrictionLoss Duct
DuctLength
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
Total StPress
DuctFriction
FrictionChart
FAN
=0.75[( )/4000)^2( − (()/4000) ^2 ]
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75/88
8/19/2019 Sedikit Formula Biar Segar
76/88
BIAR SEGAR..!!!
I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%
7200 '500 &7.44074&&&&&Sq Ft
FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART
7200 2&52 0.0&
' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!2&.7 * &7.44075 +,
'0'
275 275
72007200 '00 '0'
A
275 275 '0'
FAN - A 7200 '00 FAN - A '00 4.80A ,1 '00 85 A ,1 80.5 .8
,1 5 '0' '7 ,1 5 4' '.&7
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
DUCTSECTION
DUCTAREA ),*
AREA) q t*
FAN
4
&
2' 5
7
8/19/2019 Sedikit Formula Biar Segar
77/88
CA RA IN$
'0'
'0'
'0'
DUCT SI/E ) * 1ELOCIT( )F+M*
0 24 7 0 00 '5000 22 7 0 558 57&
'4 '2 55 3 00 2&52885750
DUCTSI/E
8
'0
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78/88
SEDIKIT FORMULCONTOH EF- .06 200 CFM EXHAUST FAN LANTAI
=FAN CAPACITY
AIR VELOCISTY7200
= 4.80'500
Regain = 0.03 06 Sq Ft
= x Friction from Chart 100 ft
= 0. 033462 "#. $%
= + - Regain
= 0.22 "#.&%
DUCTAREA
FrictionLoss Duct
DuctLength
Total StPress
DuctFriction
FrictionChart
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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BIAR SEGAR..!!!
I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%
7200 '500 ''4.82&'Sq Ft
FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART
7200 '208 0.0&
' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!5 * ''4.82&2 +,
'0'
275 275
72007200 '00 '0'
A
275 275 '0'
FAN - A 7200 '00 FAN - A '00 4.80A ,1 '00 85 A ,1 80.5 .8
,1 5 '0' '7 ,1 5 4' '.&7
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
DUCTSECTION
DUCTAREA ),*
AREA) q t*
FAN
4
&
2' 5
7
8/19/2019 Sedikit Formula Biar Segar
80/88
OPERATIN$ PRESS
0.'5
CA RA IN$
'0'
'0'
'0'
DUCT SI/E ) * 1ELOCIT( )F+M*
0 24 7 0 00 '5000 22 7 0 558 '208
'4 '2 55 3 00 '5
DUCTSI/E
8
'0
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81/88
SEDIKIT FORMULCONTOH EF- .04 800 CFM EXHAUST FAN LANTAI
=FAN CAPACITY
AIR VELOCISTY800
= 0.8&40
Regain = 0.02 3 Sq Ft
= x Friction from Chart 100 ft
= 0. 4 32 "#. $%
= + - Regain
= 0.26 "#.&%
DUCTAREA
FrictionLoss Duct
DuctLength
Total StPress
DuctFriction
FrictionChart
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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BIAR SEGAR..!!!
I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%
800 &40 ''8.'0&&&&&&&&Sq Ft
FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART
800 552 0.'2
' * = .2808 +, NOTE " #CT LEN$T% TA E FRO! * ''8.'' +,
200
200
800800 00 200
A
200
FAN - A 800 '00 FAN - A '00 0.85A ,1 00 75 A ,1 80.5 0. &
,1 4 200 ,1 4 4' 0. 5
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
DUCTSECTION
DUCTAREA ),*
AREA) q t*
FAN
2
'
4
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83/88
OPERATIN$ PRESS
0.'5
CA RA IN$
200
DUCT SI/E ) * 1ELOCIT( )F+M*
'2 3 '' 00 280 &40'2 3 & 00 228 7578 3 200 3 '50 85
DUCTSI/E
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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
= x Friction from Chart 100 ft
= 0.03608 66 "#. $%
= + - Regain
= 0. "#.&%
DUCTAREA
FrictionLoss Duct
DuctLength
Total StPress
DuctFriction
FrictionChart
=0.75[( )/4000)^2( − (( )/4000) ^2 ]
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85/88
BIAR SEGAR..!!!
I!ANA " FAN CAPACITY INITIAL VELOCITY #CT LEN$T%
'800 ''00 .08&'Sq Ft
FAN CAPACITY LAST SEC VELOCITY FRICTION C%ART
'800 8 0.'
' * = .2808 +, NOTE " #CT LEN$T% TA E FRO!'' * .08&'7 +,
450
'800'800 &00
A
'200 '0 8
450
FAN - A '800 '00 FAN - A '00 '. 4A ,1 LAST &00 50 A ,1 LAST 58 0.&5
DUCTSECTION
AIR 'T()CFM*
CFM CA+),*
DUCTSECTION
DUCTAREA ),*
AREA) q t*
FAN
2
'
4
8/19/2019 Sedikit Formula Biar Segar
86/88
OPERATIN$ PRESS
0.'5
CA RA IN$
450
450
DUCT SI/E ) * 1ELOCIT( )F+M*
'8 3 '4 450 55 ''00'2 3 '2 00 00 8
DUCTSI/E
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87/88
CONTOH EF- .02 3 00 CFM EXHAUST FAN LANTAI
=FAN CAPACITY I!ANA "AIR VELOCISTY
500= 2.80 Sq Ft
'250
Regain = 0.06 3 4 8 Sq Ft
= x Friction from Chart
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
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CONTOH EF- .0 4 0 CFM EXHAUST FAN LANTAI
=FAN CAPACITY I!ANA " FAN CAAIR VELOCISTY 45
450 = 0. 8 Sq Ft FAN CA780 45
' * =' *
Regain = 0.023 8 Sq Ft
450 800
= x Friction from Chart
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 ]
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