doble tubo final 2015 ii
Post on 06-Jul-2018
221 Views
Preview:
TRANSCRIPT
-
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
-
8/17/2019 Doble Tubo Final 2015 II
2/16
INTERCAMBIADOR DE CALOR, DOBLE TUBO
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
-
8/17/2019 Doble Tubo Final 2015 II
3/16
INTERCAMBIADOR DE CALOR, DOBLE TUBO
3 APLICACIONES……………………………………………........PAG.3
I RESUMEN
L# $%&'%()*( +,-*%# *%()( +/, /0(*%/ /+,()(, // $( ,(#5%6# 5# *,#)$7(,()%# ( #5/, () ') %)*(,#0%#/, ( #5/, ( /05( *'0/ /))*,%/ ( ') $/5/ +#$/: #$; *#0%)
()/)*,#, 5/$ /(7%%()*($ ( *,#)$7(,()%# ( #5/, // (5 U (5 U (5 7#*/, (%),'$*#%()*/
-
8/17/2019 Doble Tubo Final 2015 II
4/16
INTERCAMBIADOR DE CALOR, DOBLE TUBO
XI. INTRODUCCIÓN
E5 +,/($/ ( %)*(,#0%/ ( #5/, ()*,( /$ 75'%/$
-
8/17/2019 Doble Tubo Final 2015 II
5/16
INTERCAMBIADOR DE CALOR, DOBLE TUBO
XII. PRINCIPIOS TEÓRICOS
INTERCAMBIADORES DE CALOR:
U) %)*(,#0%#/, ( #5/, ($ ') (
-
8/17/2019 Doble Tubo Final 2015 II
6/16
INTERCAMBIADOR DE CALOR, DOBLE TUBO
E$*/$ (
-
8/17/2019 Doble Tubo Final 2015 II
7/16
INTERCAMBIADOR DE CALOR, DOBLE TUBO
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# %$# -,(# ( 75'/ ( #5/, #
Q=UA∆T
D/)(>
P/0ina6
-
8/17/2019 Doble Tubo Final 2015 II
8/16
INTERCAMBIADOR DE CALOR, DOBLE TUBO
∆T : E$ 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
-
8/17/2019 Doble Tubo Final 2015 II
9/16
INTERCAMBIADOR DE CALOR, DOBLE TUBO
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'/
-
8/17/2019 Doble Tubo Final 2015 II
10/16
INTERCAMBIADOR DE CALOR, DOBLE TUBO
TEMPERATURA DE LA PARED DEL TUBO (tw):
E$*# *(+(,#*',# +'(( $(, #5'5## # +#,*%, ( 5#$ *(+(,#*',#$ #5/,;7%#$ '#)/ *#)*/ hi
// h0 $/) /)/%#$: $( /)$%(,#
P/0ina19
-
8/17/2019 Doble Tubo Final 2015 II
11/16
INTERCAMBIADOR DE CALOR, DOBLE TUBO
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
-
8/17/2019 Doble Tubo Final 2015 II
12/16
INTERCAMBIADOR DE CALOR, DOBLE TUBO
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#%) ( (+$%*/$ $/0,( 5#$ $'+(,7%%($ ( *,#)$7(,()%# ( #5/,. L# #+# ((+$%*/$ ,(+,($()*# ')# ,($%$*()%# #%%/)#5 +#,# ($*# *,#)$7(,()%# =#(
-
8/17/2019 Doble Tubo Final 2015 II
13/16
INTERCAMBIADOR DE CALOR, DOBLE TUBO
(*()$# $( (5%%)# $' /)*()%/ $5%/ #)*($ ( +(,%*%,
-
8/17/2019 Doble Tubo Final 2015 II
14/16
INTERCAMBIADOR DE CALOR, DOBLE TUBO
TRAMPA DE APOR:
L#$ *,#+#$ ( #+/, $/) ') *%+/ ( -5'5# #'*/-*%#
-
8/17/2019 Doble Tubo Final 2015 II
15/16
INTERCAMBIADOR DE CALOR, DOBLE TUBO
XIII. DETALLES EXPERIMENTALES
MATERIALES * E+UIPOS
- E
-
8/17/2019 Doble Tubo Final 2015 II
16/16
INTERCAMBIADOR DE CALOR, DOBLE TUBO
?. R(#5%6#, ') +,/(%%()*/ #)-5/&/ #)*()%()/ ($*# (6 /)$*#)*( (5 75'/ ( 5;
top related