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+clc;
+clear all;
+disp("Laminar air flow")
+
+L=2;//m length of plate
+U=5;//m/s velocity of air
+rho=0.815;//kg/m^3 density of air
+k=0.03025;// W/(m.C)
+Pr=0.6965;// Prandlt number
+Ts=120;// degree C
+Ta=40;// degree C
+v=2.107*10^(-5);//m^2/s kinematic viscosity
+
+Re=U*L/v;// Reynold's number
+
+Nu=0.664*(Re^0.5)*Pr^(1/3);
+Nu
+h=k*Nu/L;
+disp("W/(m^2.C)",h," convective heat transfer coefficient, h =")
+Q=h*(L*1)*(Ts-Ta);
+disp("W",Q,"Rate of heat transfer =")
+