diff options
Diffstat (limited to '3863/CH16')
| -rw-r--r-- | 3863/CH16/EX16.1/Ex16_1.sce | 12 | ||||
| -rw-r--r-- | 3863/CH16/EX16.10/Ex16_10.sce | 17 | ||||
| -rw-r--r-- | 3863/CH16/EX16.11/Ex16_11.sce | 22 | ||||
| -rw-r--r-- | 3863/CH16/EX16.3/Ex16_3.sce | 15 | ||||
| -rw-r--r-- | 3863/CH16/EX16.7/Ex16_7.sce | 19 | ||||
| -rw-r--r-- | 3863/CH16/EX16.8/Ex16_8.sce | 14 | ||||
| -rw-r--r-- | 3863/CH16/EX16.9/Ex16_9.sce | 24 |
7 files changed, 123 insertions, 0 deletions
diff --git a/3863/CH16/EX16.1/Ex16_1.sce b/3863/CH16/EX16.1/Ex16_1.sce new file mode 100644 index 000000000..28049627a --- /dev/null +++ b/3863/CH16/EX16.1/Ex16_1.sce @@ -0,0 +1,12 @@ +clear +// +//Given +//Variable declaration +D=150 //Diameter of the shaft in mm +tau=45 //Maximum shear stress in N/sq.mm + +//Calculation +T=int(%pi/16*tau*D**3)*1e-3 //Maximum torque transmitted by the shaft in N-m + +//Result +printf("\n Maximum torque = %0.3f N-m",T) diff --git a/3863/CH16/EX16.10/Ex16_10.sce b/3863/CH16/EX16.10/Ex16_10.sce new file mode 100644 index 000000000..01881dc79 --- /dev/null +++ b/3863/CH16/EX16.10/Ex16_10.sce @@ -0,0 +1,17 @@ +clear +// +//Given +//Variable declaration +P=75e3 //Power transmitted in W +N=200 //R.P.M of the shaft +tau=70 //Shear stress in N/sq.mm + +//Calculation +T=P*60/(%pi*2*N)*1e3 //Mean Torque transmitted in Nmm +Tmax=1.3*T //Maximum Torque transmitted in Nmm +D=((16*Tmax/(%pi*tau))**(1/3)) //Suitable diameter of the shaft in mm + + +//Result +printf("\n Diameter of the shaft = %d mm",D) + diff --git a/3863/CH16/EX16.11/Ex16_11.sce b/3863/CH16/EX16.11/Ex16_11.sce new file mode 100644 index 000000000..cf8ac4757 --- /dev/null +++ b/3863/CH16/EX16.11/Ex16_11.sce @@ -0,0 +1,22 @@ +clear +// +//Given +//Variable declaration +P=300e3 //Power transmitted in W +N=80 //speed of the shaft in r.p.m +tau=60 //Maximum shear stress in N/sq.mm + +//Calculation +T=P*60/(%pi*2*N)*1e3 //Mean Torque transmitted in Nmm +Tmax=1.4*T //Maximum Torque transmitted in Nmm +D=((16*Tmax/(%pi*tau))**(1/3)) //Suitable diameter of the shaft in mm + +Do=(((Tmax*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 + +//Result +printf("\n External diameter of hollow shaft = %d mm",Do) + +printf("\n Internal diameter of hollow shaft = %d mm",Di) + diff --git a/3863/CH16/EX16.3/Ex16_3.sce b/3863/CH16/EX16.3/Ex16_3.sce new file mode 100644 index 000000000..fd2ad92f4 --- /dev/null +++ b/3863/CH16/EX16.3/Ex16_3.sce @@ -0,0 +1,15 @@ +clear +// + +//Given +//Variable declaration +Do=200 //Outer diameter in mm +Di=100 //Inner diameter in mm +tau=40 //Maximum shear stress in N/sq.mm + +//Calculation +T=int(((%pi)/16*tau*((Do**4-Di**4)/Do)))*1e-3 //Maximum torque transmitted by the shaft in Nm + + +//Result +printf("\n Maximum torque transmitted by the shaft = %0.3f Nm",T) diff --git a/3863/CH16/EX16.7/Ex16_7.sce b/3863/CH16/EX16.7/Ex16_7.sce new file mode 100644 index 000000000..40aa960c0 --- /dev/null +++ b/3863/CH16/EX16.7/Ex16_7.sce @@ -0,0 +1,19 @@ +clear +// +// + +//Given +//Variable declaration +Do=120 //External diameter in mm +P=300*1000 //Power in W +N=200 //Speed in r.p.m +tau=60 //Maximum shear stress in N/sq.mm + +//Calculation +T=((P*60)/(2*%pi*N))*1e3 //Torque transmitted in Nmm + +Di=(((Do**4)-((T*16*Do)/(%pi*tau)))**(1/4)) //Maximum internal diameter in mm + + +//Result +printf("\n Maximum Internal diameter = %0.3f mm",Di) diff --git a/3863/CH16/EX16.8/Ex16_8.sce b/3863/CH16/EX16.8/Ex16_8.sce new file mode 100644 index 000000000..76322bace --- /dev/null +++ b/3863/CH16/EX16.8/Ex16_8.sce @@ -0,0 +1,14 @@ +clear +// +//Given +//Variable declaration +D=15*10 //Diameter of shaft in mm +P=150*1e3 //Power transmitted in W +N=180 //Speed of shaft in r.p.m + +//Calculation +T=(P*60)/(2*%pi*N)*1e3 //Torque transmitted in Nmm +tau=int((16*T)/(%pi*D**3)) //Maximum shear stress in N/sq.mm + +//Result +printf("\n Maximum shear stress = %0.3f N/mm^2",tau) 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) + |