1 files changed, 26 insertions, 0 deletions
diff --git a/3774/CH3/EX3.11/Ex3_11.sce b/3774/CH3/EX3.11/Ex3_11.sce
new file mode 100644
index 000000000..529217bd8
--- /dev/null
+++ b/3774/CH3/EX3.11/Ex3_11.sce
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+// exa 3.11 Pg 72
+
+clc;clear;close;
+
+// Given Data
+N=200;// rpm
+P=25;// kW
+tau_d=42;// MPa
+W=900;// N
+L=3;// m
+Syt=56;// MPa
+Syc=56;// MPa
+sigma_d=56;// MPa
+
+T=P*60*10**3/(2*%pi*N);// N.m
+M=W*L/4;// N.m
+Te=sqrt(M**2+T**2);// N.m
+// Te=(%pi/16)*d**3*tau_d
+d=(Te*10**3/((%pi/16)*tau_d))**(1/3);// mm
+printf('\n shaft diameter(using equivalent torque)-\n d=%.f mm.',d)
+
+Me=(1/2)*(M+sqrt(M**2+T**2));//N.m
+// Me=(%pi/32)*d**3*sigma_d
+d=(Me*10**3/((%pi/32)*sigma_d))**(1/3);// mm
+printf('\n shaft diameter(using equivalent bending moment)-\n d=%.f mm.',d)
+printf('\n adopt d=57 mm.')