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diff --git a/2175/CH11/EX11.3/11_3.sce b/2175/CH11/EX11.3/11_3.sce
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+clc;
+Cai=600;
+alpha_i=16*%pi/180;
+l=25/1000;
+m=5;
+vi=0.375;
+n=m*vi/(Cai*sin(alpha_i)*l);
+disp("m",n,"length of nozzle arc is:");
+
+//part II
+p=0.025;
+Beta_1=18*%pi/180;
+Cre=437;
+t=0.0005;
+l1=m*vi*p/n/(p*sin(Beta_1)-t)/Cre;
+bhm=l1;
+
+Beta_2=21*%pi/180;
+Crf=294;
+lf=m*vi*p/[n*(p*sin(Beta_2)-t)*Crf];
+bhf=lf
+
+Beta_3=35*%pi/180;
+Crf2=169;
+l2=m*vi*p/n/(p*sin(Beta_3)-t)/Crf2;
+
+disp("Blade height at exit of first row, fixed and second row is respectively");
+disp("mm",l2*1000,"mm",bhf*1000,"mm",bhm*1000);