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clear;
clc;
printf('FUNDAMENTALS OF HEAT AND MASS TRANSFER \n Incropera / Dewitt / Bergman / Lavine \n EXAMPLE 8.3 Page 503 \n'); //Example 8.3
// average convection coefficient
//Operating Conditions
m = .25; //[kg/s] mass flow rate of water
Ti = 15+273; //[K] Inlet temp
To = 57+273; //[K] Outlet temperature
D = .05; //[m] Diameter
L = 6; //[m] Length of tube
Ts = 100+273; //[K] outer Surface Temp
//Table A.4 Air Properties T = 309 K
cp = 4178; //[J/kg.K] specific heat
Tlm = ((Ts-To)-(Ts-Ti))/(2.30*log10((100-57)/(100-15)));
h = m*cp*(To-Ti)/(%pi*D*L*Tlm);
printf("\n Average Heat transfer Convection Coefficient = %i W/m^2.K",h);
//END
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