Doble Tubo Final 2015 II

8/17/2019 Doble Tubo Final 2015 II

1/16

INTERCAMBIADOR DE CALOR, DOBLE TUBO

UNIVERSIDAD NACIONAL MAYOR DE SAN MARCOS

FACULTAD DE QUIMICA E INGENIERIA QUIMICA

DEPARTAMENTO DE OPERACIONESUNITARIAS

Intercambiador de caor! dobe t"bo

CURSO# LA$ORATORIO DE INGENIER%A QU%MICA I

GRUPO N '()

PROFESORA#

ING* $LAS RODRIGUE+! FANNY

INTEGRANTES#

CELIS ,ARA! EDUARDO SANTOS

CRESPIN RAMOS! SOP-IA LU+

FLORES LOLO! C-RISTIAN LOREN+O

QUINTEROS SEDANO! .LVARO ENRIQUE

P/0ina1


2/16


CIUDAD UNIVERSITARIA, 23 DE NOVIEMBRE 2015

INDICE

I. RESUMEN……………………………………………………………PAG. 2

II. INTRODUCCIÓN……………………………………………………PAG. 3

III. PRINCIPIOS TEÓRICOS…………………………………………..PAG. 4

IV. DETALLES EXPERIMENTALES………………………………….PAG. 12

V. TABULACIÓN DE DATOS Y RESULTADOS..…………………..PAG. 14

VI. DISCUCIÓN DE RESULTADO…………………………………….PAG. 18

VII. CONCLUSIONES……………………………………………………PAG. 19

VIII. RECOMENDACIONES……………………………………………..PAG. 19

IX. BIBLIOGRAFIA…………………………………………………….…PAG. 19

X. APÉNDICE…………………………………………………………....PAG.2

1 C!LCULOS………………………………………………………PAG. 2

2 GR!FICAS…………………………………………………….....PAG. 2"

P/0ina2


3/16


3 APLICACIONES……………………………………………........PAG.3

I RESUMEN

L# $%&'%()*( +,-*%# *%()( +/, /0(*%/ /+,()(, // $( ,(#5%6# 5# *,#)$7(,()%# ( #5/, () ') %)*(,#0%#/, ( #5/, ( /05( *'0/ /))*,%/ ( ') $/5/ +#$/: #$; *#0%)

()/)*,#, 5/$ /(7%%()*($ ( *,#)$7(,()%# ( #5/, // (5 U (5 U (5 7#*/, (%),'$*#%()*/


4/16


XI. INTRODUCCIÓN

E5 +,/($/ ( %)*(,#0%/ ( #5/, ()*,( /$ 75'%/$


5/16


XII. PRINCIPIOS TEÓRICOS

INTERCAMBIADORES DE CALOR:

U) %)*(,#0%#/, ( #5/, ($ ') (


6/16


E$*/$ (


7/16


Lm: E$+($/, ( 5# +#,(

K m : C/)'*%%# *,%# (5 75'%/

∑ R > R($%$*()%# T/*#5

E$ /$*'0,( $'$*%*'%,$(1

U +/, ∑ R /)( U ($ (5 /(7%%()*( */*#5 ( *,#)$7(,()%# (

#5/, hi h0 (0() ,(7(,%,$( # 5# %$# -,(# ( 75'/ ( #5/, #

Q=UA∆T

D/)(>

P/0ina6


8/16


∆T : E$ 5# %7(,()%# ( *(+(,#*',#$ ()*,( 5#$ /$ /,,%()*($ +#,# 5# $'+(,7%%( */*#5 A.

A : !,(# ( *,#)$7(,()%#

U :

C/(7%%()*( &5/0#5 ( *,#)$7(,()%# ( #5/,

COEFICIENTE DE PELÍCULA PARA FLUIDOS EN TUBOS:

S%((, T#*(: 0#$#/$ () 5/$ #*/$ ( M/,,%$ H=%*#): =%%(,/) ')# /,,(5#%) +/$*(,%/,: *#)*/// +#,# (5 #5()*#%()*/ // ()7,%#%()*/ ( #,%/$ 75'%/$ () *'0/$ =/,%6/)*#5($ (,*%#5($(*()%()/ $*# +#,# 75'/$ *',0'5()*/$ +#,# )J(,/$ ( R()/5$ #/,($ # 5/$ 1 : ($*#('#%) %/ ')# ($%#%) (%# -%# ( 1? 1.

hi×di K =0.027×ℜ0.8×Pr

1

3×

( μ μw )

0.14

D/)(>

hi : C/(7%%()*( ( +(5;'5# () (5 %)*(,%/, (5 *'0/

d i: D%-(*,/ (5 *'0/

K : C/)'*%%# *,%# ( 5# +#,(

μ > V%$/$%# (5 75'%/

μw > V%$/$%# ,(7(,%# # 5# +#,( (5 *'0/

ℜ: NJ(,/ ( R()/5

Pr : NJ(,/ ( P,#)*5

( μ μw )0.14

=1

MEDIA LOGARÍTMICA DE LA DIFERENCIA DE TEMPERATURAS (MLDT):P/0ina7


9/16


G()(,#5()*( 5/$ 75'%/$ (+(,%()*#) #,%#%/)($ ( *(+(,#*',#: #)*%()( 5# *,#)$7(,()%# ( #5/, ()*,( 5#$ +#,*($-$ #5%()*($ ( 5/$ /$ 75'%/$ () ') (*,(/: #$; // ()*,( 5#$ +#,*($ -$ 7,;#$ () (5/*,/: +/, 5/ *#)*/ (5 #0%/ ( *(+(,#*',#$ 75'%/ #5%()*(7,;/ /) ,($+(*/ # 5# 5/)&%*'(5 *'0/ X )/ ($ *#) &,#)( () )%)&J) 5', // 5/ ($ +#,# 5# ,(&%) ( ()*,## (5

%)*(,#0%#/, ( 75'/ +#,#5(5/. L# ∆T ()*,( #0/$ 75'/$ ($ &,#)( () 5# ()*,## (5

%)*(,#0%#/,.

D/)( 5# *(+(,#*',# (%# 5/,;*%# ($ #/, () (5 /)*,# 75'/


10/16


TEMPERATURA DE LA PARED DEL TUBO (tw):

E$*# *(+(,#*',# +'(( $(, #5'5## # +#,*%, ( 5#$ *(+(,#*',#$ #5/,;7%#$ '#)/ *#)*/ hi

// h0 $/) /)/%#$: $( /)$%(,#

P/0ina19


11/16


t W =t C + ho

hio+ho× (T C −t C )

t W =T C + ho

h io+ho× (T C −t C )

INCRUSTACIONES (Rd)

C'#)/ 5/$ #+#,#*/$ ( *,#)$7(,()%# ( #5/, =#) ($*#/ () $(,%%/ +/, #5&J) *%(+/ $( 5($(+/$%*# %),'$*#%/)($ / 0#$',# () 5# +#,*( %)*(,%/, (*(,%/, ( 5#$ *'0(,;#$: #K#%()/ /$

,($%$*()%#$ -$ ( 5#$

P/0ina11


12/16


1

U D=

1

U C + Rdi+ Rdo

S%>

Rdi+ Rdo= Rd

E)*/)($ $( *%()(

Rd= 1

U D−

1

U C

Imagen en vista frontal de un intercambiador de calor

E5 ,()%%()*/ ( 5/$ %)*(,#0%#/,($ ( #5/, $'(5( (*(,%/,#,$( /) (5 +#$/ (5 *%(+/ //,($'5*#/ ( 5# #''5#%) ( (+$%*/$ $/0,( 5#$ $'+(,7%%($ ( *,#)$7(,()%# ( #5/,. L# #+# ((+$%*/$ ,(+,($()*# ')# ,($%$*()%# #%%/)#5 +#,# ($*# *,#)$7(,()%# =#(


13/16


(*()$# $( (5%%)# $' /)*()%/ $5%/ #)*($ ( +(,%*%,


14/16


TRAMPA DE APOR:

L#$ *,#+#$ ( #+/, $/) ') *%+/ ( -5'5# #'*/-*%#


15/16


XIII. DETALLES EXPERIMENTALES

MATERIALES * E+UIPOS

- E


16/16


?. R(#5%6#, ') +,/(%%()*/ #)-5/&/ #)*()%()/ ($*# (6 /)$*#)*( (5 75'/ ( 5;

Doble Tubo Final 2015 II

Documents

Transcript of Doble Tubo Final 2015 II