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NUCLEAR POWER CORPORATION OF INDIA LTD (NPCIL)

KAKARAPARA ATOMIC POWER PROJECT UNITS 3&4

Total Discharge = 200

= 0.056

No of pumps = 3

No of working pumps = 2

No of Stand! pumps = "

Discharge per pump = "00

= 0.02#

$ow water le%el in the clari&ed water sump = ''.(

)nlet *le%ation in Degassi&ed Tower = "0#.2

a) Static head = 8.5

Friction loss calculation in pipes is as per Darcy Weisbach Formula

=

2 + g + d

where

= ,ead loss due to friction -m

f = friction factor

$ = $ength of the pipe -m

% = %elocit! through pipe -m/s

g =

D = Diameter of pipe -m

b)

Diameter of deli%er! pipe = "50

)nside diameter of pipe = "5.0#

1aterial = 1S

1a+imum %elocit! % = ".'"

low 4 = "00

$ength $ = 2

riction factor f = 0.0"6

,ead loss in '0 end -7 = 0.5 hl = 0.05",ead loss in "50 mm dia 8heck %al%e -7 = 2.5 9 "n hl = 0.2#3,ead loss in "50 mm dia :ate %al%e -7 = 0.5 9 "no hl = 0.05(,ead loss in "50 + 300 mm dia Tee -7 = 0.' 9 "no hl = 0."02

Total head loss in delivery pipe hl = 0.493

Friction loss in delivery pipe, ! = 0.0"4

Total losses in #$0 mm dia delivery side = 0.%"

ead &alculations !rom &lari'ed (ater sump to Deassi'ed To(er o! D*lant

,f f + $ + ;2

,f

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c) &lari'ed (ater sump uction li!t = #.00

d) = 1.52Total losses in clarifed water pump delivery & suction head(b ! (c

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e)

Diameter of deli%er! pipe = 250

)nside diameter of pipe = 2"#.2

1aterial = ,D*

1a+imum %elocit! ; = ".'low 4 = 200

$ength $ = "000

riction factor f = 0.0"3

,ead loss in '0 end -7 = 0.2 9 "0 nos hl = 0.#

,ead loss in 5 end -7 = 0.22 9 6 nos hl = 0."5

,ead loss in 200 + "50 mm Tee -7 = 0.2# 9 "no hl = 0.03

Total losses in bends hl = 0.$$

Friction loss in header pipe, ! = $.%3"

Total losses in "%0 mm dia pipe ! + hl = /.#9

Note >9 ". 4uantit! for nos of ends are taken from drawing No >9 7

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1aterial = 1S

1a+imum %elocit! % = ".'0

low 4 = "00

$ength $ = "0

riction factor f = 0.0"6

,ead loss in '0 end -7 = 0.5 9 6 nos hl = 0.305

,ead loss in "50 + 200 mm dia Tee -7 = 0.' 9 "no hl = 0."02,ead loss in "50 mm dia utterA! %al%e -7 = 0.6# hl = 0.003

,ead loss in "50 mm dia utterA! control %al%e hl = 0.300

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Total head loss in intlet pipe hl = 0./#0

Friction loss in intlet pipe, ! = 0.##

Total losses in #%0 mm dia intlet pipe to F = 0.3

h) Total losses in "oop # ! $ ! % (e ! ! ' = 8.1

5) ressure drop throuh 6esin 16) hl = ".00

7) ressure drop in inlet distribution pipes hl = 0.30

l) ressure drop in bottom collector hl = 0.30

m) Total )ressure drop in )S* (+ ! (, ! (l = 2.-

n)

Diameter of pipe = "50

)nside diameter of pipe = "5.0#

1aterial = 1S

1a+imum %elocit! % = ".'0

low 4 = "00

$ength $ = "0

riction factor f = 0.0"6

,ead loss in '0 end -7 = 0.5 9 3 nos hl = 0."53

,ead loss in "50 + 200 mm dia Tee -7 = 0.'0 9 "no hl = 0."02

,ead loss in Strainer / resin or 1edia trap hl = ".000

,ead loss in "50 mm dia utterA! %al%e -7 = 0.6# hl = 0.0((,ead loss in "50 mm dia utterA! control %al%e hl = 0.300

,ead loss in "50 mm dia ori&ce hl = ".2

Total head loss in header pipe hl = ".3#

Friction loss in header pipe, ! = 0.##

Total losses in "00 mm dia header pipe outlet !rom = ".9%

o)

Diameter of pipe = "50

)nside diameter of pipe = "5.0#

1aterial = 1S

1a+imum %elocit! % = "."'2

low 4 = #0

$ength $ = 20

&alculation o! Friction loss + ead loss on #%0 mm dia header pipe outl12oop D)

&alculation o! Friction loss + ead loss in #%0 mm dia header pipe !ro

to &F 12oop 8)

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riction factor f = 0.0"6

,ead loss in '0 end -7 = 0.5 9 3 nos hl = 0.0'#

,ead loss in "50 + "50 mm dia Tee -7 = 0.30 9 "no hl = 0.022

Total head loss in inlet pipe hl = 0.##9

Friction loss in inlet pipe, ! = 0.#%4

Total losses in #%0 mm dia header pipe !rom F to = 0."/

p)&alculation o! Friction loss + ead loss in #00 mm dia pipe intlet to

Diameter of pipe = "50

)nside diameter of pipe = "5.0#

1aterial = 1S

1a+imum %elocit! % = 0.(5

low 4 = 50

$ength $ = "0riction factor f = 0.0"6

,ead loss in '0 end -7 = 0.5 9 nos hl = 0.05(

,ead loss in "00 mm dia utterA! %al%e -7 = 0.(( hl = 0.022

,ead loss in "00 mm dia utterA! control %al%e hl = 0.300

,ead loss in "00 + "50 mm dia Tee -7 = ".02 9 "no hl = 0.02'

,ead loss in ori&ce hl = ".2

Total head loss in outlet pipe hl = #.$0/

Friction loss in outlet pipe, ! = 0.0$0

Total losses in #00 mm dia outlet pipe = #.$/

) Total losses in "oop ! / ! * (n ! o ! p = 0.8

r) ressure drop throuh 6esin 16) hl = 3.$0

s) ressure drop in inlet distribution pipes hl = 0.30

t) ressure drop in bottom collector hl = 0.30

u) Total )ressure drop in #%* (r ! (s ! (t = 0.2-

v)&alculation o! Friction loss + ead loss in #00 mm dia pipe outlet !rom

Diameter of pipe = "50

)nside diameter of pipe = "5.0#

1aterial = 1S

1a+imum %elocit! % = 0.(5

low 4 = 50

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$ength $ = "0

riction factor f = 0.0"6

,ead loss in '0 end -7 = 0.5 9 3 nos hl = 0.02

,ead loss in "00 mm dia utterA! %al%e -7 = 0.(( hl = 0.022

,ead loss in "00 mm dia utterA! control %al%e hl = 0.300

,ead loss in "00 + "50 mm dia Tee -7 = ".02 9 "no hl = 0.02'

,ead loss in Strainer / resin or 1edia trap hl = ".000,ead loss in ori&ce hl = ".2

Total head loss in outlet pipe hl = ".%93

Friction loss in outlet pipe, ! = 0.0$0

Total losses in #00 mm dia outlet pipe = ".$%

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()

Diameter of pipe = "50

)nside diameter of pipe = "5.0#

1aterial = 1S1a+imum %elocit! % = 0.(5

low 4 = 50

$ength $ = 20

riction factor f = 0.0"6

,ead loss in '0 end -7 = 0.5 9 nos hl = 0.05"

,ead loss in "00 + "50 mm dia Tee -7 = 0.30 9 "no hl = 0.00#

Total head loss in inlet pipe hl = 0.0%9

Friction loss in inlet pipe, ! = 0.0$0

Total losses in #%0 mm dia header pipe !rom &F to = 0.#"

;) Total losses in "oop ! 3 (v ! w = 2.44

y)&alculation o! Friction loss + ead loss in #00 mm dia pipe intlet to

Diameter of pipe = "50

)nside diameter of pipe = "5.0#

1aterial = 1S

1a+imum %elocit! % = 0.(5

low 4 = 50

$ength $ = 20riction factor f = 0.0"6

,ead loss in '0 end -7 = 0.5 9 6 nos hl = 0.0#5

,ead loss in "00 mm dia Diaphragm %al%e -7 = 2.5 hl = 0.""

,ead loss in "00 mm dia utterA! %al%e -7 = 0.(( hl = 0.0

,ead loss in Strainer / resin or 1edia trap hl = ".000

,ead loss in "00 + "50 mm dia Tee -7 = ".02 9 2 n hl = 0.05#

,ead loss in ori&ce hl = ".000

Total head loss in outlet pipe hl = ".3"/

Friction loss in outlet pipe, ! = 0.0$0

Total losses in #00 mm dia inlet pipe to & = ".39

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c#) Total )ressure drop in S#% (r ! (s ! (t = .-

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d#)&alculation o! Friction loss + ead loss in #00 mm dia pipe outlet !rom

Diameter of pipe = "50

)nside diameter of pipe = "5.0#

1aterial = 1SB$

1a+imum %elocit! % = 0.(5

low 4 = 50

$ength $ = 20

riction factor f = 0.0"6

,ead loss in '0 end -7 = 0.5 9 6 nos hl = 0.0#5

,ead loss in "00 mm dia Diaphragm %al%e -7 = 2.5 hl = 0.""

,ead loss in Strainer / resin or 1edia trap hl = ".000

,ead loss in "00 + "50 mm dia Tee -7 = ".02 9 2 n hl = 0.05#

Total head loss in outlet pipe hl = #."4

Friction loss in outlet pipe, ! = 0.0$0

Total losses in #00 mm dia outlet pipe !rom & = #.34

e#)

Diameter of pipe = "50

)nside diameter of pipe = "5.0#

1aterial = 1SB$

1a+imum %elocit! % = "."'2

low 4 = #0

$ength $ = 60riction factor f = 0.0"6

,ead loss in '0 end -7 = 0.5 9 5 nos hl = 0."63

,ead loss in "50 mm dia Diaphragm %al%e -7 = 2.5 hl = 0.53

,ead loss in "50 mm dia utterA! %al%e -7 = 0.6# hl = 0.0'

Total head loss in inlet pipe hl = 0./%%

Friction loss in inlet pipe, ! = 0.4$#

Total losses in #%0 mm dia header pipe !rom & to D = #.""

!#) Total losses in "oop 6 ! 7 ! (y ! d1 ! e1 = 0.5

#) Static head = 8.5-

h#) Total losses in clarifed water pump delivery & suction = 1.52

5#) Total losses in "oop (# ! $ ! % = 8.1

7#) Total losses in "oop ( ! / ! * = 0.8

l#) Total losses in "oop ( ! 3 = 2.44

m#) Total losses in "oop (6 ! 7 ! = 0.5

n#) )ressure drop in )S* = 2.-

&alculation o! Friction loss + ead loss in #%0 mm dia header pipe !ro12oop >)

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o#) )ressure drop in #%* = 0.2-

p#) )ressure drop in S#% = .-

#) Total 3ead = 0-.8

r#) 1-9 e:tra = 00.8

s#) )rovide head = 05.--

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nos

nos

nos

m

m

m

mm

mm

m/s

m3/hr

m

mmmm

m

m

m

Filtration

m3/hr

m3/s

m3/hr

m3/s

ry pipe !rom

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mm

mm

m/sm3/hr

m

m

m

m

m

m

m

0/20""/: