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+clc;clear;

+//Example 17.3

+

+//given data

+T0=200+273;//converted in K

+P0=1400;

+//stagnant temp. & pressure is same as inlet due to small inlet velocity

+P=1200;

+m=3;

+

+//from Table A-2a

+cp=0.846;//in kJ/kg-K

+R=0.1889;//in kJ/kg-K

+k=1.289;

+

+//calculations

+T=T0*(P/P0)^((k-1)/k);

+V=sqrt(2*cp*(T0-T)*1000);//factor of 1000 to convert kJ to J

+p=P/(R*T);

+A=m/(p*V);

+c=sqrt(k*R*T*1000);//factor of 1000 to convert kJ to J

+Ma=V/c;

+disp(V,'velocity in m/s');

+disp(p,'density in kg/m^3');

+disp((A*10000),'flow area in cm^2');

+disp(Ma,'Mach number');