clc; clear; //Example 3.30 k=0.02685 //W/(m.K) v=16.5*10^-6 //kg/(m.s) Npr=0.7 //Prandtl number Beta=3.25*10^-3 //K^-1 g=9.81 //m/(s^2) Tw=333; //[k] T_inf=283 //[K] dT=Tw-T_inf //[K] L=4 //Length/height of plate [m] Ngr=(g*Beta*dT*(L^3))/(v^2) //Grashoff number //Let const=Ngr*Npr const=Ngr*Npr //Sice it is >10^9 Nnu=0.10*(const^(1.0/3.0)) //Nusselt number h=Nnu*k/L //W/(sq m.K) h=4.3 //Approx in book W=7 //width in [m] A=L*W //Area of heat transfer in [sq m] Q=h*A*dT //[W] printf("\nHeat transferred is %d W\n",Q)