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a) qcond = qconv
. -kA(T2-T1)/dx = h(Ts-Talr)A
Despejando para la temperatura
T2 - T1 = hdx(T2-Talr)/-k
T2 - 200 = (180)(0.004)(T2-8)/(-52)
T2 = 197,4 °C
Para R1
x = 0,9303 m = 18,6052 h = 180
I0(x) = 1,2283 R1 = 0,0500 k = 52
I1(x) = 0,5173 R2 = 0,1000 t = 0,02
K0(x) = 0,4656 T0 = 200
K1(x) = 0,6791 mR1 = 0,9303 Tamb = 8
2/piK0(x) = 0,2964 mR2 = 1,8605
2/piK1(x) = 0,4323
Para R2
x = 1,8605
I0(x) = 2,0716
I1(x) = 1,3952 b) Q = 1172,54
K0(x) = 0,1353 n = 0,79
K1(x) = 0,1683
2/piK0(x) = 0,0861
2/piK1(x) = 0,1072
Seufert García Ofelia Jasmín, Mecanismos
de Transferencia 2014.