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authorpriyanka2015-06-24 15:03:17 +0530
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+//all the quantities are expressed in SI units
+
+ratio = 12; //contraction ratio of wind tunnel nozzle
+Cl_max = 1.3; //maximum lift coefficient of the model
+S = 0.56; //wing planform area of the model
+L_max = 4448.22; //maximum lift force that can be measured by the mechanical balance
+rho_inf = 1.225; //free-stream density of air
+
+//the maximum allowable freestream velocity can be given as
+V_inf = sqrt(2*L_max/rho_inf/S/Cl_max);
+
+//thus the maximum allowable pressure difference is given by
+delta_p = 1/2*rho_inf*(V_inf^2)*(1-(ratio^-2));
+
+printf("\nRESULTS\n--------\nThe maximum allowable pressure difference between the wind tunnel setling chamber and the test section is\n delta_p = %4.2f Pa",delta_p) \ No newline at end of file