AC Duct Cal.

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Transcript of AC Duct Cal.

  • 7/26/2019 AC Duct Cal.

    1/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 1284cfm

    A.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.0**

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    14 Feet

    C. Fittings Equivalent Feet of traight DuctDec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition 1 * *

    $aeff 1 40 40

    El5o- 60 2 1* 30

    $otal !"

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    14 7* $%

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.0** 86 '.'"

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal( in. -) ( in. -) ( in. -)

    $ype of

  • 7/26/2019 AC Duct Cal.

    2/19

    0.046 0.61 '.%

  • 7/26/2019 AC Duct Cal.

    3/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 116/cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.0**

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    14 Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition 1 * *

    $aeff 1 40 40

    El5o- 60 2 1* 30

    $otal !"

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    14 7* $%

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.0** 86 '.'"

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.046 0.61 '.%

    $ype of

  • 7/26/2019 AC Duct Cal.

    4/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 11*8cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.0**

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    14 Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition 1 * *

    $aeff 1 40 40

    El5o- 60 2 1* 30

    $otal !"

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    14 7* $%

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.0** 86 '.'"

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.046 0.61 '.%

    $ype of

  • 7/26/2019 AC Duct Cal.

    5/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 4330cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.02/

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    "1 Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition 4 * 20

    $aeff 4 40 1/0

    El5o- 60 * *0 2*0

    $otal 45'

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    *1 430 4$1

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.02/ 481 '.15

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.12* 0.61 1.'4

    $ype of

  • 7/26/2019 AC Duct Cal.

    6/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 681cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.0/*

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    55 Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition 1 * *

    $aeff 1 40 40

    El5o- 60 4 1* /0

    $otal 1'"

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    33 10* 15$

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.0/* 138 '.'%

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.060 0.61 1.''

    $ype of

  • 7/26/2019 AC Duct Cal.

    7/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 1026cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.0/*

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    1! Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition 1 * *

    $aeff 1 40 40

    El5o- 60 2 1* 30

    $otal !"

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    17 7* %6

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.0/* 62 '.'

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.0/0 0.61 '.%!

    $ype of

  • 7/26/2019 AC Duct Cal.

    8/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 4*6cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.11

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    1' Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition 1 * *

    $aeff 1 40 40

    El5o- 60 1 1* 1*

    $otal '

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    10 /0 !'

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.11 70 '.'$

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.077 0.61 '.%%

    $ype of

  • 7/26/2019 AC Duct Cal.

    9/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 864cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.0/7*

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    14 Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition 1 * *

    $aeff 1 40 40

    El5o- 60 2 1* 30

    $otal !"

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    14 7* $%

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.0/7* 86 '.'

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.0/0 0.61 '.%!

    $ype of

  • 7/26/2019 AC Duct Cal.

    10/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 4260cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.02/

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    " Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition 3 * 1*

    $aeff / 40 240

    El5o- 60 4 40 1/0

    $otal 41"

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    */ 41* 4!1

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.02/ 471 '.16

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.122 0.61 1.'5

    $ype of

  • 7/26/2019 AC Duct Cal.

    11/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 1313cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.0**

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    5! Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition 2 * 10

    $aeff 3 40 120

    El5o- 60 3 1* 4*

    $otal 1!"

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    37 17* 616

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.0** 212 '.16

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.117 0.61 1.'5

    $ype of

  • 7/26/2019 AC Duct Cal.

    12/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) *3/0cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.023

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    1'1 Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition * * 2*

    $aeff 6 40 3/0

    El5o- 60 * 70 3*0

    El5o- 4* 2 3* 70

    $otal $'"

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    101 80* %'

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.023 60/ '.61

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.208 0.61 1.16

    $ype of

  • 7/26/2019 AC Duct Cal.

    13/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) //*0cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.021

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    15$ Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition 4 * 20

    $aeff 13 40 *20

    El5o- 60 4 70 280

    $otal $6'

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    138 820 %"$

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.021 6*8 '.6'

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.201 0.61 1.11

    $ype of

  • 7/26/2019 AC Duct Cal.

    14/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 2*20cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.03/

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    65 Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition 4 * 20

    $aeff 3 40 120

    El5o- 60 1 1* 1*

    $otal 1""

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    23 1** 1!$

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.03/ 178 '.'

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.0/4 0.61 '.%!

    $ype of

  • 7/26/2019 AC Duct Cal.

    15/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 4637cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.02*

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    1'4 Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition / * 30

    $aeff 10 40 400

    El5o- 60 / *0 300

    $otal !5'

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    104 730 $54

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.02* 834 '.61

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.206 0.61 1.16

    $ype of

  • 7/26/2019 AC Duct Cal.

    16/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 11/0cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.0*/

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    1' Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition 1 * *

    $aeff 1 40 40

    El5o- 60 1 1* 1*

    $otal '

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    10 /0 !'

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.0*/ 70 '.'4

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.036 0.61 '.%"

    $ype of

  • 7/26/2019 AC Duct Cal.

    17/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 4100cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.028

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    1'! Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition * * 2*

    $aeff 6 40 3/0

    El5o- 60 / *0 300

    $otal $"

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    107 /8* !%6

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.028 762 '.66

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.222 0.61 1.15

    $ype of

  • 7/26/2019 AC Duct Cal.

    18/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 73*cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.0**

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    14 Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition 2 * 10

    $aeff 1 40 40

    El5o- 60 2 1* 30

    $otal $'

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    14 80 %4

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.0** 64 '.'"

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.0*2 0.61 '.%

    $ype of

  • 7/26/2019 AC Duct Cal.

    19/19

    A. General Design Criteria:

    A.1 Elevation (ft) 2,047ft.

    A.2 Fan Capacity (cfm) 1034cfmA.3 Initial Dct !elocity (fpm) 800fpm

    A.4 Dct "ate#ial $ype %alvani&e' I#on eet

    A.* F#iction +o (in. -..) 0.0/

    A./ Dct i&e "eto' Eal F#iction

    B. Length of straight duct for the farthest terminal

    1' Feet

    C. Fittings Equivalent Feet of traight Duct

    Dec#iption antity Eivalent $otal

    ( ft ) ( ft )

    $#anition 1 * *

    $aeff 1 40 40

    El5o- 60 1 1* 1*

    $otal '

    D. #otal Length

    +ent of Dct Fittin E. $otal

    ( ft ) ( ft ) ( ft )

    10 /0 !'

    E. Duct tatic &ressure :

    F#iction +o $otal +ent $otal ..

    ( in. -) ( ft ) ( in. -)

    0.0/ 70 '.'4

    F. Additional Friction Loss

    Dec#iption antity $otal

    ( in. -)

    Elect#ic Dct 9eate# 1 0.13

    on' Attenato# 1 0.*0

    !olme Dampe# 1 0.08

    pply : ;et#n Ai# 1 0.20

    $otal '.%1

    G. #otal E(ternal tatic&ressure

    Dct .. A''itional F.+. $otal

    ( in. -) ( in. -) ( in. -)

    0.042 0.61 '.%"

    $ype of