HW 3

.pdf
School
University of Central Florida **We aren't endorsed by this school
Course
EML 4142
Subject
Finance
Date
Oct 11, 2023
Pages
3
Uploaded by BrigadierGiraffe3589 on coursehero.com
Rond , f 41 082 0158 mi (f 0'029m 8'027 kf 0105 W/mk Rond , s Ls 08225 mik/W ks 1'2 Is 8'027 m ks 1'2W/mk 9 Tbtz q T T 800 70 52 = 4 70 Rf 018225 858 h 70w/mk Ti 534°C T film surface I / 9 q Ta -T 1 Tr 531 800 - Tx 315/13° Tinside the heat chamber Ronv 01013 Roon & 1 0013 mi/w 1 0101 m = 333 -69 8878794w/m2 q RTOT X k 1 W/mk hi 7 w/m2k Rior 1 00 00 1 012973d mik/w Ti 3330 To 69C g T Ta Tz 69 88718791-72 19518400 = 1960 - 2 X /hic 1/7 T ho 7w/mk kTBc 1'1 W/MK · 9 LTBC 01012M X 9 3350 Ti 100 20 - RioT 8'015 no 08 y 001591 -hc 1683728 WImk Riox = * Y 1 I 57S X 0'02575m= X 'Olm I A 9 1683728 W/mk 8 - um em e en e - k 0'S k 5a Ya lo en RTOT = 1 I In s I In 0 I 1 200 (25 00 20) 0'0119065 800 (21 0103 20) 21 50 20 2 H 015 20 8 * s 800 ; Ts 110 "C a 11010 8398178 839878
amonem 17 = en k 0'S 17 9 8398178 Tr Ta -Ta 10 -Ta 14'177°C R 0108819736 R n A 200 12x1008 28) 0108819736 Q * insulation A pierde + calor X X X & P pierde x calor insulation P ab/pierde poco calor) insulacionb r <Ver kr = k/n = 01075/25 = 003 ft = 0136 in 1ft = 12 in 8'36 es todo o falta alguno / rcror : + insulación + perdida de calor &Y Y porqué ? Y
m = hp/kA = 338 6'11/17 5113188-2 = 821377(m 2 = 41366 L = 0'053M & = 338 011 17 513 1002 (458-993) tanh(m 2) = 13891971 389197 -1 T(x) - Ta = cosh(m(-x)) -TK) 93 = 1 1 9 Tr Tx cosh(mL) 150-93 cosh(mL) - cosh(11366) m 1 = 1366 (2) = 979 : 21 979'2 m = 16'19 Yfin = tanh (16119 08665) => 0735577 16'19 8'0665 10 = 010665 Afin = 0'0133 Yfin = tin - -fin = 01736 618 : 373 = 477'201W fin , max Il h Afin(Tb - Tw) = 151 80133/350 - 25) = 648375 E = fin = 477204 => 19 : 5776 Q no fin 21 : 375 n-hb(in -Tr) = 154 1011 6005) 1350 -25) = 24'375 " . 177281 19 : 5776
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