clc; clear all; disp("Heat loss from wing") U=450*1000/3600//m/s L=6;//m B=1.2;//m p=1.013*65/76*10^5;//Pa R=287; k=0.2511;//W/m.C v=14.16*10^(-6);//m^2/s Pr=0.705; ta=10;//degree C rho=p/(R*(ta+273));//kg/m^3 ReL=U*B/v; Rec=5*10^5; xc=Rec*v/U;//m Nu=(0.036*ReL^0.8-836)*Pr^(1/3); h=Nu*k/B; A=L*B; delT=19-1;//degree C Q=h*A*delT;//W disp("W",Q,"Heat loss from wing =") Cf=(0.072/ReL^0.2-1670/ReL); Fd=Cf*0.5*rho*A*U^2; disp("N",Fd,"Drag force on the wing =")