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SAUD ALASMARIProject

Instructor: Dr. Mohamed A. Habib

Project of Thermodynamics II

Name:SAUD MUBARAK ALASMARI

ID# 200849100

Sec: 03

2012-05-0Date of Submit
http://www.google.com.sa/imgres?q=Kfupm&um=1&hl=ar&safe=active&sa=N&rlz=1W1ASUT_enSA406&biw=1366&bih=530&tbm=isch&tbnid=OTCVTO0n_4e_3M:&imgrefurl=http://emad.daghreri.com/?tag=kfupm&docid=zOGGA_SI5GRbDM&imgurl=http://emad.daghreri.com/wp-content/uploads/2010/01/KFUPM-logo-300x278.jpg&w=300&h=278&ei=GkjuTpe6K-6P4gTjoKiGCQ&zoom=1


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Abstract:

I! "he#e $ro%e&"' I (i)e a! i!"rod*&"io! o+ "he Ra!,i!e &&e /o$e!

&o#ed. Se&o!d' I De"ermi!e "he "herma e++i&ie!& +or "he &a#e o+ o!e

+eed a"er hea"er o$era"i!( a" 2.0 Ma a!d I"# e*a /0.3665.

7*r"hermore' I #ho' "he o" "he i!+*e!&e o+ "he +eed a"er hea"er

$re##*re i! "erm# o+ ri#i!( o+ +eed a"er e!"ha$ a!d maim*m ri#e o+

+eed a"er e!"ha$ o! "he &&e e++i&ie!&. A#o' I di#&*## "he

e&o!omi o+ addi!( a #i!(e +eed a"er hea"er i"h 5 o+ "he "o"a

&o#" o+ 0.8 106:;M< o+ "he #im$e $oer $a!" i"h !o hea"er#.

7i!a' I #ho "he e!)iro!me!"a im$a&" o+ addi!( +eed a"er hea"er#.


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Table of Content:

i. =o)er a(e

ii. Ab#"ra&"

iii. I!"rod*&"io!

i). >b%e&"i)e

). robem a!d So*"io!#

)i. ?&o!omi&

)ii. ?!)iro!me!"

)iii. =om$ari!( o$e! a!d &o#ed +eed a"er

i. =o!&*#io!

. Re+ere!&e#


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Introduction:

Sa*di Arabia o!e o+ "he mo#" &o*!"r "ha" e$or" >i "o o"her &o*!"r

hi&h mea! "ha" i" ha# a o" o+ i!d*#"ria &om$a!. Moreo)er' ma!

&om$a!ie# are *#i!( o$e! a!d &o#ed Ra!,i!e &&e. @A +eed a"er

hea"er i# a de)i&e *#ed "o (rad*a hea" a"er "ha" i# bei!( dei)ered "o

a #"eam boier. he mai! rea#o! h +eed a"er hea"er# are *#ed i#

be&a*#e "he a"er !eed# "o be hea"ed (rad*a *!"i i" rea&he# i"#

boii!( $oi!"' a#o ,!o! a# "he #a"*ra"io! "em$era"*re. I+ a"er i#

hea"ed "oo +a#" or "oo )ioe!"' "he boier me"a i# dama(ed be&a*#e o+

"herma #ho&,' hi&h o&&*r# he! "he ra$id i!&rea#e i! "em$era"*re

&rea"e# &ra&,# i! "he me"a. A +eed a"er hea"er a#o &a! i!&rea#e "he

o)era e++i&ie!& o+ "he #"eam &&e' be&a*#e "he $rimar hea" #o*r&e

doe# !o" !eed "o be em$oed. I!#"ead' +eed a"er *#*a i# hea"ed b


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S&hema"i& o+ a oer a!" R*!!i!( a! Idea Re(e!era"i)e Ra!,i!e =&e i"h >!e

=o#ed 7eed a"er Hea"er

-S Dia(ram o+ a! Idea Re(e!era"i)e Ra!,i!e =&e i"h >!e =o#ed 7eed a"er Hea"er

Objective:

he aim o+ "he $ro%e&" i# "o +i!d "he "herma e++i&ie!& +or "he &a#e o+o!e +eed a"er hea"er o$era"i!( a" 2.0 Ma' "he o" "he i!+*e!&e o+

"he +eed a"er hea"er $re##*re i! "erm# o+ ri#i!( o+ +eed a"er e!"ha$

a!d maim*m ri#e o+ +eed a"er e!"ha$ o! "he &&e e++i&ie!&. A#o'

i" i di#&*## "he e&o!omi o+ addi!( a #i!(e +eed a"er hea"er i"h

5 o+ "he "o"a &o#" o+ 0.8 106:;M< o+ "he #im$e $oer $a!" i"h

!o hea"er#. 7i!a' i" i #ho "he e!)iro!me!"a im$a&" o+ addi!(

+eed a"er hea"er#.


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7eed a"er hea"er

Problem Solution:

1. robem

Here i# a *o"a"io! o+ "he $robem #"a"eme!"

he e++e&" o+ a o&a"io! o+ "he o$e! +eed a"er hea"er o! "he "herma e++i&ie!& o+ "he

!o!-dea &&e o+ a #"eam $oer $a!" *"iiCi!( "he Ra!,i!e &&e i# "o be

i!)e#"i(a"ed. he $a!" $rod*&e# 500 M< o+ $oer o*"$*". S"eam ea)e# "he #"eam

(e!era"or a" 11 Ma' 550=' a!d "he &&e ha# a &o!de!#er $re##*re o+ 20 ,a.

1. De"ermi!e "he "herma e++i&ie!& +or "he &a#e o+ o!e +eed a"er hea"er

o$era"i!( a" 2.0 Ma.


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2. o" "he i!+*e!&e o+ "he +eed a"er hea"er $re##*re /i! "erm# o+ ri#e o+ +eed

a"er e!"ha$ ; maim*m ri#e o+ +eed a"er e!"ha$ o! "he &&e

e++i&ie!&. I!)e#"i(a"e "he i!"ermedia"e $re##*re a" hi&h "he ##"em i

(i)e o* o$"im*m $er+orma!&e +or o!e hea"er.

3. I+ "he &o#" o+ i!#"ai!( a #i!(e +eed a"er hea"er i# 5 o+ "he "o"a &o#" o+

0.8 106:;M< o+ "he #im$e $oer $a!" i"h !o hea"er#' di#&*## "he

e&o!omi o+ addi!( +eed a"er hea"er/# i"h re#$e&" "o im$ro)eme!" i!

"he $a!" e++i&ie!&. he &o#" o+ hea" e!er( "ha" i# "o be added "o "he

boier ma be &o!#idered a# 0.02 :;ME. A#o di#&*## ho ma! ear#

o*d be !eeded "o re&o)er "he &o#" o+ i!#"ai!( o!e +eed a"er hea"er.

/a Di#&*## ha" o*d be "he e!)iro!me!"a im$a&" o+ addi!( +eed a"er

hea"er#F

2. So*"io!#

So*"io! &o!"ai!i!( abe' &har"#.

G*e#"io! 1


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0.3665 i# "he "herma e++i&ie!& +or "he &a#e o+ o!e +eeda"er hea"ero$era"i!( a" 2.0 Ma

G*e#"io! 2

he (ra$h# i! "he $re)io*# $a(e.

G*e#"io! 3

7eeda"er =o#" 1 /5J/"he "o"a &o#"J/


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La#"' "he "herma e++i&ie!& he! e add +eed a"er hea"er i# ar(er

"ha! he! "he &a#e o+ !o +eed a"er hea"er.

$nvironment:

he +eed a"er hea"er i# a (ood +rie!d o+ "he e!)iro!me!" hi&h doe#

!o" emi" &o2"o "he e!)iro!me!".

Com%arin& an o%en and a closed feed 'ater heater:

Here' I &om$are "he ad)a!"a(e a!d "he di#ad)a!"a(e o+ o$e! +eed a"er

a!d "he &o#e +eed a"er hea"er.

1.A dire&" mii!( /o$e! +eed a"er hea"er./

Advanta&e:

1.Sim$e2.I!e$e!#i)e

3.Ha)e (ood hea" "ra!#+er &hara&"eri#"i.Bri!( +eed a"er i!"o #a"*ra"ed #"a"e

Disadvanta&e:

1.7or ea&h hea"er' e !eed a $*m$

2.


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I! &o!&*#io!' o$e! +eed a"er hea"er i# o!e o! "he mo#" &ommo! a!d

*#e+* hea"er. 7*r"hermore' I +o*!d "he "herma e++i&ie!& +or "he &a#e

o+ o!e +eed a"er hea"er o$era"i!( a" 2.0 Ma hi&h i# n=0.3665 . I!

addi"io! ' I o" "he i!+*e!&e o+ "he +eed a"er hea"er $re##*re i! "erm#

o+ ri#i!( o+ +eed a"er e!"ha$ a!d maim*m ri#e o+ +eed a"er

e!"ha$ o! "he &&e e++i&ie!&. A#o' I di#&*##ed "he e&o!omi o+

addi!( a #i!(e +eed a"er hea"er i"h 5 o+ "he "o"a &o#" o+ 0.8 106

:;M< o+ "he #im$e $oer $a!" i"h !o hea"er# a!d I +o*!d i" be""er

a!d more e&o!omi&a i+ e add +eed a"er hea"er. 7i!a' I #hoed "he

e!)iro!me!"a im$a&" o+ addi!( +eed a"er hea"er# a!d I #ho "ha" "he

+eed a"er hea"er i# a (ood +rie!d o+ "he e!)iro!me!" hi&h doe# !o"

emi" &o2"o "he e!)iro!me!".. 7i!a' I &om$eered be"ee! "he o$e!

+eed a"er hea"er a!d "he &o#ed +eed a"er hea"er b "heir ad)a!"a(e#

a!d di#ad)a!"a(e#.

(eference:


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1. "What Is a Feed Water Heater?" WiseGEEK: Clear Answers for Common

Questions. Web. 18 Dec. 2011. htt!##$$$.$%se&ee'.co(#$hat)%s)a)*eed)

$ater)heater.ht(+.

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