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clear;
clc;
printf('FUNDAMENTALS OF HEAT AND MASS TRANSFER \n Incropera / Dewitt / Bergman / Lavine \n EXAMPLE 6.4 Page 362 \n'); //Example 6.4
// Convection Mass Transfer coefficient
//Operating Conditions
v = 1; //[m/s] Velocity of water
L = 0.6; //[m] Plate length
Tw1 = 300; //[K]
Tw2 = 350; //[K]
//Coefficients [W/m^1.5 . K]
Clam1 = 395;
Cturb1 = 2330;
Clam2 = 477;
Cturb2 = 3600;
//Water Properties at T = 300K
p1 = 997; //[kg/m^3] Density
u1 = 855*10^-6; //[N.s/m^2] Viscosity
//Water Properties at T = 350K
p2 = 974; //[kg/m^3] Density
u2 = 365*10^-6; //[N.s/m^2] Viscosity
Rec = 5*10^5; //Transititon Reynolds Number
xc1 = Rec*u1/(p1*v); //[m]Transition length at 300K
xc2 = Rec*u2/(p2*v); //[m]Transition length at 350K
//Integrating eqn 6.14
//At 300 K
h1 = [Clam1*xc1^.5/.5 + Cturb1*(L^.8-xc1^.8)/.8]/L;
//At 350 K
h2 = [Clam2*xc2^.5/.5 + Cturb2*(L^.8-xc2^.8)/.8]/L;
printf("\n\n Average Convection Coefficient over the entire plate for the two temperatures at 300K = %.2f W/m^2.K and at 350K = %.2f W/m^2.K", h1,h2);
//END
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