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diff --git a/2223/CH6/EX6.2/Ex6_2.sce b/2223/CH6/EX6.2/Ex6_2.sce
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+// scilab Code Exa 6.2 radially tipped Centrifugal blower 3000rpm
+P=150; // Power Output in kW
+N=3e3; // Speed in RPM
+d2=40/100; // outer diameter of the impeller in m
+d1=25/100; // inner diameter of the impeller in m
+b=8/100; // impeller width at entry in m
+n_st=0.7; // stage efficiency
+V1=22.67; // Absolute Velocity at entry in m/s
+ro=1.25; // density of air in kg/m3
+
+// part(a) determining the pressure developed
+u2=%pi*d2*N/60;
+u1=d1*u2/d2;
+w_ac=u2^2;
+delh_s=n_st*w_ac;
+delp=ro*delh_s;
+disp ("mm W.G." ,delp/9.81,"(a)the pressure developed is")
+
+// part (b) determining the power required
+A1=%pi*d1*b;
+m=ro*V1*A1;
+P=m*w_ac/10e2;
+disp("kW",P,"(b)Power required is")