summaryrefslogtreecommitdiff
path: root/3863/CH16
diff options
context:
space:
mode:
Diffstat (limited to '3863/CH16')
-rw-r--r--3863/CH16/EX16.1/Ex16_1.sce12
-rw-r--r--3863/CH16/EX16.10/Ex16_10.sce17
-rw-r--r--3863/CH16/EX16.11/Ex16_11.sce22
-rw-r--r--3863/CH16/EX16.3/Ex16_3.sce15
-rw-r--r--3863/CH16/EX16.7/Ex16_7.sce19
-rw-r--r--3863/CH16/EX16.8/Ex16_8.sce14
-rw-r--r--3863/CH16/EX16.9/Ex16_9.sce24
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)
+