1 files changed, 15 insertions, 0 deletions
diff --git a/3511/CH8/EX8.9/Ex8_9.sce b/3511/CH8/EX8.9/Ex8_9.sce
new file mode 100644
index 000000000..d3b86f1b6
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+++ b/3511/CH8/EX8.9/Ex8_9.sce
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+clc;
+P=180*10^3; // Power input in J
+N=15000; // Speed in rpm
+a1=25; // in degrees
+De=0.25; // Mean dia of the eye in m
+Di=0.6;// Impeller tip diameter in m
+c1=150; // Absolute air velocity at inlet in m/s
+
+u1=3.14*De*N/60;
+u2=3.14*Di*N/60;
+ct1=c1*sind (a1);
+ct2=(P+(u1*ct1))/u2;
+mu=ct2/u2;
+z=(1.98)/(1-mu); // Number of impeller vanes
+disp(z,"Number of impeller vanes using Stanitz formulae = ");