diff options
Diffstat (limited to '3863/CH16/EX16.9/Ex16_9.sce')
| -rw-r--r-- | 3863/CH16/EX16.9/Ex16_9.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/3863/CH16/EX16.9/Ex16_9.sce b/3863/CH16/EX16.9/Ex16_9.sce new file mode 100644 index 000000000..ac09cb3a0 --- /dev/null +++ b/3863/CH16/EX16.9/Ex16_9.sce @@ -0,0 +1,24 @@ +clear +// +// +//Given +//Variable declaration +P=300*1000 //Power in W +N=100 //Speed in r.p.m +tau=80 //Maximum shear stress in N/sq.mm + +//Calculation +//case(a): +T=(P*60)/(2*%pi*N)*1e3 //Torque transmitted in Nmm +D=(((16*T)/(%pi*tau))**(1/3)) //Diameter of solid shaft in mm + +//case(b): +Do=(((T*16)/(%pi*tau*(1-0.6**4)))**(1/3)) //External diameter of hollow shaft in mm + +Di=0.6*Do //Internal diameter of hollow shaft in mm +Per=(D**2-(Do**2-Di**2))/(D**2)*100 //Percentage saving in weight + +//Result +printf("\n Diameter of solid shaft = %0.3f mm",D) +printf("\n Percentage saving in weight = %.2f%%",Per) + |