blob: ac09cb3a0d1af2eb07e18f134d1c477f4a4b602c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
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)
|