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TERMODINMICAITRANSFERNCIADECALORP RCTICA 2 : M Q U INA TRM ICA /LL EIS D E L S G A SS OSID EI AL S

Pe rso n es d e l gr u p :AxelPairManero,GuifrAragonesTena,AndreaDiazZarate,DanMedina Centeno, AlbertMaeso

Gr up :M4

I. CICLE1(Massaafeg!a:2""g#

a. Co!pletilatauladepropietatsdelsestatsini"ialsi#nalsexperi!entalsde

"adas"un dels pro"essos $ue "o!ponen el "i"le% Per esti!ar el &olu!,!en'spre(el&olu!d)aire"ontingutenelstubs"onne"tors%

Es$a$ A % C D

P&ess')Pa* *,*+* *+,- *+,./ *,*0

Te+,e&a$-&a* 0..,.1 0..,.1 +44,// +44,//

0-+e+3* ,.-04-1234

,.+42*34

,-.2*34

,--.-2*34

"a!ara5.-!l5*,.-d!+5,.-2*34!+

Apisto5627D08495627+0,/2*3+90845-,01/-2*34!0

A5"a!araApisto2x5"a!araApisto27+,*2*3495,.-04-12*34!+

;5"a!araApisto2x5"a!araApisto273*,**095,.+42*34!+

C5"a!araApisto2x5"a!araApisto27*,*95,-.2*34!+

D5"a!araApisto2x5"a!araApisto27*,*+95,--.-2*34 !+

4.

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5.>dentifi$ui el tipus

7per exe!ple, isotr!i", et"%9 al $ue "orrespon "adas"un dels pro"essosrealitzatsenel"i"le%?s"riguita!b l)a""idesen&olupadaperdurater!eelpro"s7perexe!ple,agregar!assade0**g,et"%9%

P&056s T,-s A55'!ese70-,a!a

A8% >sotr!i" )afegeixsobreelpistuna!assade0**gate!peratura"onstant%?n

%8C >sob=ri" Mantenintla!assade0**gsobreelpisto

) C8D >sotr!i" )extreula!assade0**gate!peratura"onstant%?na uest"aselban

D9E >sob=ri" ensela!assade0**ges"a!biala"=!arad)airealban'fred%

!.>denti#$uielsdospro"esosenels$ualsesub!inistra"alor%

ub!inistre!"alorala"a!bradegasendospro"essos:

DEunabandateni!el,&056s%9C:passe!delEaiguafredaa lEaigua "alenta a una pressi "onstant, a!b la"onsegFentexpansidelgas$ueteni!alinterior%> lEaltre"assel,&056sC9D:traie!elspesos i,pertant,dis!inueix la pressi, el gas se segueix expandint i la"a!braabsorbeix"alor%

e.Cal"uli el rendi!ent ideal 7!=xi!9 per una !=$uina tr!i"a operantentre les dueste!peraturesexperi!entals%

f.Cal"uliQe,la"alorsub!inistradaalgasdesdelafont"alenta%

C&5

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5..,/

5

**+*,.-

*

50-.0..,.1

m = 2,25*10 KgP& 05 6s % 9C

= = 103668 (1,871 10 1,7634*10 )=1,115J

= !" = 2,25 10 717,5 (344,5 277,8% = 10,77&

Q= + = 11,89

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JP & 0 5 6 s C 8 D

= !" () + ,+)-( = 0 = 0

5 *ln+ *

450,0/* 0-.+44,//ln/,--.- *

5*,11H,-.*

Qe5,-1*,1150,*-1I

g.Cal"ulieltreball!e"=ni"produ(tpelgastananalJti"a7balanKosdEenergiapera"adas"undelspro"essos9"o!experi!ental7"al"ulantlE=readinsdela"orbadel"i"leeldiagra!ap3utilitzantunaintegralgr=#"aL!todedelstrapezisdelesdadesobtingudes9%iels&alorsobtingutsdifereixenentreells,

ustifi"ara$uestadifern"ia%

E$&e4a$0$ase&as-+aaa;$5a!es$&e4as!e5a!a55e.

Es$&e4as!es55esA9%,e&$a$s?a-@a&ae$&e es.

PROCES%9C:.

789 = 89 #89 = !$ 89 + ! 89 = 89 !$ ! ' = 89 30

= (344,55 277,79%(8,323% = 555,643 JKgPROCESD9A:

/45

-1

2

.

7 = # = !$ + ! = !$ ! ' = 30

= (344,55 277,79%(8,323% = 555,643 JKgTOTAL:

7 = 789 + 7 = 1111,286 JKg

= 7 GRAFICAMENT:

/45?N

2

O5

07 1 ?Q7- N

Q

07N -Q7- NQ71 NQ7- NQ5

*,*0+ H

P0!e+$&04a&a+assa!egas!s!e,s$'a;50+e$&e4aa5a0&s-4+s$&a!a.

= 7 O*,*0+

5.GRG

5,0-

50,04*IS

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= 7 = 1111,286 (2,124 10 % = 0,0236

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&=.Cal"ulielrendi!entrealdela!=$uinatr!i"a%Co!parielrendi!entreala!belrendi!entidealobtingutanterior!ent%Iusti#$uiladifern"iade&alorsobtinguda%

M P

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b%Cal"ulielsrendi!entsidealsirealsdels

Ci"le T

1,+-Q

*,1Q

0 1,+-Q

*,4Q

+ +,1.Q

,0Q

?lrendi!entidealirealdelpri!er"i"leaBaestat"al"ulatanterior!ent%

CICLE

2

"a!ara5.-!l5*,.-d!+5,.-2*34!+

Apisto5627D08495627+0,/2*3+90845-,01/-2*34!0

A5"a!araApisto2x5"a!araApisto27*95,.-2*34!+

;5"a!araApisto2x5"a!araApisto273*,**95,.--2*34

!+

C5"a!araApisto2x5"a!araApisto27*,*095,--2*34!+

D5"a!araApisto2x5"a!araApisto27*,*+95,--.-2*34 !+

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Pro"s

Tipus Desen&olupa!ent

A3; >soter!i"

T5"tiW5*

5 bZZ c5*,** ,.-* bZW,dWsoter!i"T5"t iW5*

5 bZZ

b5*0,/* ,--* bZ

W,dW

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CICLCal"ule!el"alorsu!inistratalgasenel

= ! 89 = 5,3&

= 89 89 = 0,73&

%

"a!ara5.-!l5*,.-d!

+

5,.-2*

34

!

+

Apisto5627D08495627+0,/2*3+90845-,01/-2*34!0

A5"a!araApisto2x5"a!araApisto27*95,.-2*34!+

;5"a!araApisto2x5"a!araApisto273*,**095,.2*34!+

C5"a!araApisto2x5"a!araApisto27*,**/95,-+2*34!+

D5"a!araApisto2x5"a!araApisto27*,**-95,-/2*34 !+

Pro"s

Tipus Desen&olupa!ent

A3; >soter!i"

T5"tiW5*

5 bZZ c5*,* ,.-* bZW,dTWsoter!i"T5"t iW5*

5 bZZ

b5*+,./* ,-+* bZ

W, W

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Cal"ule!el"alorsu!inistratalgasenelpro"esisoter!i"C3D:

5 gh 1?

5*H

5 ln+?

45*,*0H1?

1

d 5 5*,*0H

Cal"ule!el"alortotal:

df 5d-1d1?5,*/*,*05,0H

g5Bfi

/

*,*

-5

6,62

100 = ,

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5.Dis"uteixilesdifer n"iesobtingudestantgr #"a!ent"o!enlese#"i n"ies

%

Delsgrafi"sobtingutspode!treureEn&aries"on"lusions:

Pri!erpode!&eure$ueelpri!er"i"leesel$uetelre"orregutijrea!sgran,a!s"o!parteixlEaltura7P9a!belter"er"i"le%Peraltrabandata!btla!etixaa!plada7posi"in9$ueelsegon"i"le%

DEa$uJpode!deduir"o!afe"ta$ue"an&ie!elpes7"i"les309i$ue"an&ie!ladiferen"iadete!peratura7"i"les3+9%Pode!&eure$ueun"an&ienelpespro&o"a$ueel"i"letinguiunadiferen"iadepresi!enor,!entre$ueeldesplaKa!entlinealdelapolitadelEe!bolsegeuixsentla!ateixa%

Peraltrabanda,pode!&eure$uesiladiferen"iadete!peraturesentrelafontfredailafont"alentaes!spetita,elre"orregutenlEeixdeldesplaKa!ent7eixx9esredueix,!entre$uea$uest"opladiferen"iadepresisegeueixsentla!ateixa%

Calta!bnotar$ueelsrendi!entstrobatsde!aneraexperi!entalalstrobatsde!anerateori"asn!oltdiferents%?nellspode!&eure"o!el

rendi!ent$uanladiferen"iadete!peratureses!enors!sele&at$ueelsaltres,toti$ueenelstres"i"lespode!dir$ueelrendi!entgeneraldEa$uesta!a$uinade"alores!oltbaix%

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