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CURSO : INGENIERIA DE ALIMENTOS I
Profesor:Ing. ROLDAN CARBAJAL, Williams.
ALUMNA:DIAZ LEANDRO, Liliana
CICLO : 2014 II
Tingo Mara Per.
I. INTRODUCCION
UNIVERSIDAD NACIONAL AGRARIA DE LA SELVA
DEPARTAMENTO ACADEMICO DE CIENCIA,TECNOLOGIA
E INGENIERIA DE ALIMENTOS
Facultad de Ingeniera en
Industrias AlimentariasCoeien!e on"e!i"o #e$ %oa&io
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En !l "#!s!n$! "#a%$i%a s! anali&' ( s! %al%)l' !l %*!+i%i!n$! %*n!%$i* la
$#ans+!#!n%ia -! %al*# -)#an$! !l +#!-* -! $#*&*s -! /*%a%i%* !n a%!i$!
!g!$al a 140, 10, 103C. L*s %*!+i%i!n$!s -! $#ans+!#!n%ia -! %al*# ( ma$!#ia
s! in%#!m!n$a#*n al a)m!n$a# la $!m"!#a$)#a -!l a%!i$!.
El %*!+i%i!n$! %*n!%$i* -! $#ans+!#!n%ia -! %al*# !s )n "a#m!$#* n!%!sa#i*
!n !l -is!5* ( %*n$#*l -! l*s !6)i"*s -! "#*%!sami!n$* -! alim!n$*s -*n-!
+l)i-*s %*m* ai#!, ni$#'g!n*, a"*#, a%!i$!s, !$%. S*n )sa-*s %*m* m!-i*s -!
%al!n$ami!n$*, !n+#iami!n$*, %*ng!la%i'n * %*%%i'n. En -i%*s "#*%!s*s la
$#ans+!#!n%ia -! %al*# ")!-! i# a%*m"a5a-a -! )na $#ans+!#!n%ia -! masa, "*#
l* 6)! la -!$!#mina%i'n -! al*# -! s! %*m"li%a, %*ni#$i7n-*s! !n )n */8!$*
-! in!s$iga%i'n im"*#$an$! -! la $#ans+!#!n%ia -! %al*# %*n!%$ia 9sa/lani,200:;
II. OBJETIVOS
D!$!#mina# !l %*!+i%i!n$! %*n!%$i* -! $#ans+!#!n%ia -! %al*# -)#an$! !l
+#!-* "*# inm!#si'n -! lminas -! /*%a%i%* !n a%!i$! -! "alma a
-i+!#!n$!s $!m"!#a$)#as.
III. MARCO TEORICO
III.1. Bocachico
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El B*%a%i%* !s )n "!& mig#a$*#i* -! ag)a -)l%!, s) $ama5* !s m!-ian*, l*s
!8!m"la#!s ms g#an-!s ")!-!n al%an&a# l*s 0 %m -! l*ngi$)-, s) /*%a !s
"!6)!5a ( %a#n*sa ( "#*min!n$! l* %)al -a *#ig!n a s) n*m/#! %*m
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im"*#$an$! sa/!# !l al*# -! !s$! +a%$*# "*#6)! !s $*n*s -!m)!s$#a la !l*%i-a-
%*n 6)! s! $#ans+!#i# !l %al*#, si!n-* )na #!la%i'n -i#!%$a !l %al*# $#ans+!#i-*
%*n !l %*!+i%i!n$! %*n!%$i*. 9C .RAMOS, 2011;.
III.2.1. Coe$iciente de tran#$erencia de calor 'or con%ecci(n
La l!( -! !n+#iami!n$* -! N!$*n !s$a/l!%! 6)! la $asa -! $#ans+!#!n%ia -!
%al*# 6)! a/an-*na )na s)"!#+i%i! a )na $!m"!#a$)#a Ts"a#a "asa# a )n +l)i-*
-!l !n$*#n* a $!m"!#a$)#a T+s! !s$a/l!%! "*# la !%)a%i'n@
%*n!%$i*nF A 9Ts T+;
D*n-! !l %*!+i%i!n$! -! $#ans+!#!n%ia -! %al*# $i!n! las )ni-a-!s
-! WHm2.*B$)Hs.in2.. El %*!+i%i!n$! n* !s )na "#*"i!-a- $!#m*-inmi%a. Es)na %*##!la%i'n sim"li+i%a-a !n$#! !l !s$a-* -!l +l)i-* ( las %*n-i%i*n!s -! +l)8*,
"*# l* %)al g!n!#alm!n$! s! la %*n*%! %*m* )na "#*"i!-a- -! +l)8*.
La %*n!%%i'n !s$ liga-a al %*n%!"$* -! )na %a"a -! %*n$*#n* 6)! !s )na
-!lga-a %a"a -! $#ansi%i'n !n$#! )na s)"!#+i%i!, 6)! s! s)"*n! a-(a%!n$! a las
m*l7%)las !s$a%i*na#ias, ( !l +l)8* -! +l)i-* !n !l !n$*#n*. Es$* s! ")!-!
*/s!#a# !n la sig)i!n$! +ig)#a 6)! m)!s$#a )n +l)8* s*/#! )na "la%a "lana.
9C .RAMOS, 2011;.
D*n-! )9, (; !s la !l*%i-a- -! -i#!%%i'n . A la #!gi'n 6)! a as$a la a#is$a
!$!#na -! la %a"a -! +l)i-*, -!+ini-a %*m* !l ::= -! la !l*%i-a- -! la
%*##i!n$! li/#!, s! -!n*mina !s"!s*# -! la %a"a -! %*n$*#n* -!l +l)i-* -9;.
III.2.2. Coe$iciente con%ecti%o de tran#$erencia de calor
El %*!+i%i!n$! %*n!%$i* -! $#ans+!#!n%ia -! %al*# !s )sa-* "a#a %)an$i+i%a# la
$asa -! $#ans+!#!n%ia -! %al*# %*n!%$ia -! * a%ia la s)"!#+i%i! -!l "#*-)%$*.
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La -!$!#mina%i'n -!l %*!+i%i!n$! -! %*n!%%i'n !n la $#ans+!#!n%ia -! %al*# !s
m)( im"*#$an$! !n !l -is!5* ( m*-!lami!n$* -! sis$!mas -! +#i$)#as "a#a l*s
alim!n$*s 9A. Alis !$ al., 200:;,
III.2.). M"todo# 'ara la deter*inaci(n del coe$iciente con%ecti%o de
tran#$erencia de calor
Alis. !$ al. 9200:;, !s$i")la#*n $#!s m7$*-*s "a#a m!-i# !l %*!+i%i!n$! -!
%*n!%%i'n !n la $#ans+!#!n%ia -! %al*#@
M!-i-a -! la $!m"!#a$)#a !n !s$a-* !s$a%i*na#i*@ Basa-* !n la l!( -!
!n+#iami!n$* -! N!$*n. M!-i-a -! la $!m"!#a$)#a !n !s$a-* $#ansi$*#i*@ Anlisis -! sis$!mas
%*n%!n$#a-*s
Es$! m7$*-* #!6)i!#! -! )n s!ns*# 6)! ")!-! -!$!%$a# la $!m"!#a$)#a
!n la s)"!#+i%i! mi!n$#as !is$! )n %am/i* -! $i!m"*
III.2.+. %aria,le# 'ara la deter*inaci(n de h G!*m!$#a La $!m"!#a$)#a -!l +l)i-* $i!m"*
IV. MATERIA-ES METODOSIV.1. Materia 'ri*a. a#a la sig)i!n$! in!s$iga%i'n s! )$ili&a#a %*m*
ma$!#ia "#ima lminas -! /*%a%i%*.
IV.2. E/ui'o# e in#tru*ento#
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DATATRACE OR WINDOWS.DATATRACE mi%#*"a%K s!#ial n)m/!#
MT12, m*-!l 000T1, #ang*20 TO 140 DEGREES C, PSA. Ba5* ma#a. T!#m'm!$#* -! m!#%)#i*. Balan&a anal$i%a !l!%$#'ni%a.
Qas*s -! "#!%i"i$a%i'n.IV.). Metodolo0a S! %*#$' !l /*%a%i%* !n +*#ma -! "la%a. Las %*n-i%i*n!s -! "#*%!s*
+)!#*n $!m"!#a$)#as -! +#i$)#a -! 10 3C ( $i!m"*s -! +#!-* !n$#! 0 a
420 s!g)n-*s. En !s$! "#*%!s*, s! !m"l!' a%!i$! -! "alma %*m* m!-i* -! +#i$)#a (
)na +#!i-*#a !l7%$#i%a !n a%!#* in*i-a/l!. En la %*n-i%i'n -! +#!-*s s!
)sa# )na lmina -! /*%a%i%* ( s! #!ali&a#*n #7"li%as anal$i%as. a#a
m!-i# la a#ia%i'n -! $!m"!#a$)#a -! las lminas s! ins!#$a#*n 2
$!#m*"a#!s $i"* J -! 0.2 mm -! -im!$#* "*# l*s !$#!m*s -! la "la%a
!n s!n$i-* l*ngi$)-inal as$a 6)! las ")n$as -! l*s mism*s !s$)i!#an
-!n$#* -!l %!n$#* g!*m7$#i%* ( s)+i%i!n$!m!n$! l!8*s -! l*s !$#!m*s
*$#* $!#m*"a# -! las mismas %a#a%$!#s$i%as s! )s' "a#a m!-i# la
$!m"!#a$)#a -!l a%!i$!. Las $!m"!#a$)#as s! #!gis$#a#an %a-a 10
s!g)n-*s !m"l!an-* )n sis$!ma -! a-6)isi%i'n -! -a$*s a%*"la-* a )n
%*m")$a-*# "!#s*nal. El %al*# !s"!%+i%* ( la -!nsi-a- -! la m)!s$#a
s!#n -!$!#mina-*s !m"l!an-* la +*#m)las s)g!#i-*s "*# C*i ( OK*s
91:;, %*n /as! !n la %*m"*si%i'n -! /*%a%i%* ( la $!m"!#a$)#a -!
+#i$)#a. En am/*s $#a/a8*s !l m!%anism* -! %*n!%%i'n !s !l %*n$#*l -!
la $#ans+!#!n%ia -! %al*#. Es$! m*-!l* s! !"#!sa "*# la l!( -!
!n+#iami!n$* -! n!$*n %*m* s! "#!s!n$a !n la sig)i!n$! !%)a%i'n 91;.
Q=hA T 91;
N* */s$an$!, !l %*!+i%i!n$! %*n!%$i* -! $#ans+!#!n%ia -! %al*# 9; +)!
%al%)la-* "a#a !l +#!-* -!l /*%a%i%* $!ni!n-* !n %)!n$a !l !s$a-* -!
!6)ili/#i* !n$#! la $!m"!#a$)#a -!l in$!#i*# -! la m)!s$#a ( !l /alan%! -!
%al*#, !m"l!an-* la !%)a%i'n 902;, -!s%#i$a a %*n$in)a%i'n@
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hA (TSTb )= . V . CpT
t902;
)! #!s*li7n-*la %*n las %*n-i%i*n!s ini%ial!s ( lin!ali&n-*la, 6)!-a
!"#!sa-a %*m* s! in-i%a !n la !%)a%i'n 9;@
ln [TSTeT0Te]=
h . A
. V .Cpt 9;
inalm!n$!, -! la "!n-i!n$! #!s)l$an$! -! la g#+i%a ln [TsTeT0Te] Qs $i!m"* 9$;
%*n*%i-*s !l #!a -! $#ans+!#!n%ia -! %al*#, la -!nsi-a-, !l %al*# !s"!%+i%* ( !l
*l)m!n -! la lmina -! /*6)!%i%*, s! -!$!#mina# m!-ian$! la !%)a%i'n
94; as@
h= . V . Cp
A 94;
V. RESU-TADOS DISCUSIONESDato#
*1312 0 Ti324.+
*2312 0 Ti325.6
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*)31+ 0 Ti324.7
C)a-#* 01@!n!$#a%i'n -! %al*# -!l a%!i$! -)#an$! !l +#!-* -! lminas -!/*%a%i%*.
Ti!m"* 9$; Ta T' 140.1 59.6(' 140.6 66.6)' 140.6 72.8*' 140.7 78.4+' 140.3 84.5' 140.2 91.5-' 140 98.2.' 140 104.5/' 140.2 111.7
0' 140.1 117.2('' 140 128.3((' 140 128.3()' 140 132.5(*' 140.2 135.4(+' 140.7 136.9(' 140.6 137.8(-' 140.7 138.1(.' 140.2 138.5(/' 140.7 138.9
(0' 140.6 139.4)'' 140.6 139.9
G#a+i%* 01@ T!m"!#a$)#a -! lmina /*%a%i%* -)#an$! !l +#!-* "*# inm!#si'n ala $!m"!#a$)#a -!l a%!i$!.
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Cuadro 82 !n!$#a%i'n -! %al*# -!l a%!i$! "*# $#ans+!#!n%ia -! %al*#.Tiempo(
)
Ta T Ln11Ta2T341Ta2Ti33
' 140.1 59.6 -0.33647224(' 140.6 66.6 -0.42509107
)' 140.6 72.8 -0.51259397
*' 140.7 78.4 -0.59807774
+' 140.3 84.5 -0.7047286
' 140.2 91.5 -0.83993731
-' 140 98.2 -0.99094538.' 140 104.5 -1.15430902
/' 140.2 111.7 -1.37571225
0' 140.1 117.2 -1.59359251
('' 140 128.3 -2.26425287
((' 140 128.3 -2.26425287
()' 140 132.5 -2.7089387
(*' 140.2 135.4 -3.15700042
(+' 140.7 136.9 -3.3950381
(' 140.6 137.8 -3.69953675
(-' 140.7 138.1 -3.77452772
(.' 140.2 138.5 -4.19498809
(/' 140.7 138.9 -4.1422525
(0' 140.6 139.4 -4.54683461
)'' 140.6 139.9 -5.08583111
9ra$ico 82 Tie*'o V# -n ::Ta;T
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9ra$ico 8) Tie*'o V# -n ::Ta;T
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h=0.83036 KJ
m2 C
Cuadro 8)!n!$#a%i'n -! %al*# -!l a%!i$! "*# $#ans+!#!n%ia -! %al*#.
9ra$ico 8+ T!m"!#a$)#a -! lmina/*%a%i%* -)#an$! !l +#!-* "*# inm!#si'n ala $!m"!#a$)#a -!l a%!i$!.
Cuadro 8+!n!$#a%i'n -! %al*# -!la%!i$! "*# $#ans+!#!n%ia -! %al*#.
131.4 123.9 -2.63428
405
210
131.4 123.9
220 131.3 123.1
230 131.4 121.2
240 131.1 120.8
250 131.4 123.4
260 131 124.5
270 131 124.3
280 130.7 124.4290 130.6 128.9
300 130.6 127.1
310 131 128.6
320 131.2 128.6
330 131 128.3
340 130.8 129.3
350 130.9 129
360 130.8 125.8
370 130.9 129.2
380 130.7 128.7390 130.8 129.4
400 130.5 129.4
410 130.7 128.8
420 130.6 126.8
Tie56o173 Ta T
0 130.1 29
10 129.2 112.9
20 129.1 114.8
30 129.3 116.1
40 129 118
50 129.4 123.5
60 129.3 124.3
70 129.7 125.3
80 126.6 125.690 129.5 126.3
100 129.7 126.9
110 130.6 127.5
120 130.3 128.2
130 130.4 127.2
140 130.6 127.7
150 130.8 128.3
160 131.2 128.5
170 131.2 128.1
180 131.2 128.4190 131.2 126.2
200 131.3 125.9
Tie5
6o Ta T
Ln811Ta2T341Ta2Ti33
0130.1 29 -0.02055873
10129.2
112.9 -1.83674457
20129.1
114.8 -1.96667214
30129.3
116.1 -2.04866988
40 129 118 -2.22805745
50
129.
4
123.
5 -2.85491045
60129.3
124.3 -3.0194488
70129.7
125.3 -3.15118081
80126.6
125.6 -4.60216568
90129.5
126.3 -3.46768712
100129.7
126.9 -3.60316594
110130.6
127.5 -3.5101
120130.3
128.2 -3.89666762
130130.4
127.2 -3.4764208
140130.6
127.7 -3.57679138
150130.8
128.3 -3.72713817
160131.2
128.5 -3.65401959
170131.2
128.1 -3.51586925
180131.2
128.4 -3.61765194
190131.2
126.2 -3.03783345
200131.3
125.9 -2.96183072
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210
220 131.3 123.1
-2.5440955
2
230 131.4 121.2
-
2.32679935
240 131.1 120.8
-2.3141682
3
250 131.4 123.4
-2.5697455
3
260 131 124.5-
2.7735498
270 131 124.3
-2.7432444
5
280 130.7 124.4
-2.8019163
4
290 130.6 128.9
-4.1108738
6
300 130.6 127.1
-3.3887391
5
310 131 128.6
-
3.76988324
320 131.2 128.6
-3.6917599
2
330 131 128.3-
3.6521002
340 130.8 129.3
-4.2379637
9
350 130.9 129
-4.0025370
1
360 130.8 125.8
-3.0339909
9
370 130.9 129.2
-4.1137626
5
380 130.7 128.7
-3.9493187
9
390 130.8 129.4
-
4.30695666
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400 130.5 129.4
-4.5452271
5
410 130.7 128.8
-4.0006120
8
420 130.6 126.8
-3.3065010
5
9ra$ico 8@ Tie*'o V# -n ::Ta;T
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>allando el coe$iciente con%ecti%o
Ree*'la?ando %alore# 'ara encontrar h
b=h AmCp
Donde el %alor de
A=1.25103m2
masa=12 g=0.012kg
Cp=
3.18KJ
Kg C
Ree*'la?ando
0.0389= h(1.25103 m2)
(0.012kg )(3.18 kj
kg c)
h=0.83036 KJ
m2 C
Cuadro 8@!n!$#a%i'n -! %al*# -!l a%!i$! "*# $#ans+!#!n%ia -! %al*#.
130.9 126.8
Te!a173 Ta T0 131.2 27.8
10 131.5 11920 131.5 124.5
30 131.6 125.440 131.4 125.150 131.4 126.3
60 131 126.8
70 130.5 127.880 130.3 130
90 130.2 129.9100 130.2 129.9110 130.1 128.7
120 130.1 129.5130 130.2 129.3
140 130.2 125.2150 130.1 124.5160 130.2 128.7
170 130.4 129.2180 130.5 129.5
190 130.6 126.7200 130.7 129.1
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210220 131.3 127.4
230 131.2 125.8240 131.2 127.3250 131.2 125.6
260 131.1 125.9270 131.1 124.8280 131.2 129.4
290 131.2 129.3300 131.1 129.2
310 131 127.8320 130.8 129.6330 130.8 124.6
340 130.8 120.4350 130.7 121.2360 130.6 123.1
370 130.9 125.6380 130.5 125.5
390 130.3 124.3400 130.6 129.2
410 130.3 112.4420 131.3 116.4
9ra$ico 84 T!m"!#a$)#a -! lmina /*%a%i%* -)#an$! !l +#!-* "*# inm!#si'n ala $!m"!#a$)#a -!l a%!i$!.
Cuadro 85!n!$#a%i'n -! %al*# -!l a%!i$! "*# $#ans+!#!n%ia -! %al*#.
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9ra$ico 87 Tie*'o V# -n ::Ta;T
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( -! l*s #!s)l$a-*s */$!ni-*s s! ")!-! a+i#ma# 6)! !l %*!+i%i!n$! -!
$#ans+!#!n%ia -! %al*# "*# %*n!%%i'n !s )n* -! l*s "a#m!$#*s ms
im"*#$an$!s ( n!%!sa#i* "a#a -is!5a# ( %*n$#*la# l*s "#*%!s*s -! +#i$)#a.
El a)m!n$* !n la $!m"!#a$)#a -!l m!-i*, a%!i$!, in%#!m!n$a l*s al*#!s
-!l %*!+i%i!n$! -! $#ans+!#!n%ia -! %al*#.
VII. REERENCIAS BIB-IO9RAICAS
J. Oli!#a, 9200:;.%a#a%$!#s$i%as -!l /*%a6)i%*.!n
lin!a.$$"@HH!l/*%a%i%*./l*gs"*$.%*mH2011H0H%a#a%$!#is$i%as.$ml.
-!s%a#ga-* !l 1 -! n*i!m/#! -!l 2014.
M*8i%a, J.I. > ?la#!&L!'n. 92002;. S!#i! Li/#*s R*8*s -! !s"!%i!s
am!na&a-as -! C*l*m/ia. Ins$i$)$* -! Ci!n%ias Na$)#al!s,
Pni!#si-a- Na%i*nal -! C*l*m/ia, Minis$!#i* -!l M!-i* Am/i!n$!.
B*g*$, C*l*m/ia. A. Alis, C. Q7l!&, M. Ra-aM!n-*&a, M. Qillami!l, .S. Qilla-a. !a$
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