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Diffstat (limited to '3681/CH8/EX8.2')
| -rw-r--r-- | 3681/CH8/EX8.2/Ans8_2.PNG | bin | 0 -> 5031 bytes | |||
| -rw-r--r-- | 3681/CH8/EX8.2/Ex8_2.sce | 17 |
2 files changed, 17 insertions, 0 deletions
diff --git a/3681/CH8/EX8.2/Ans8_2.PNG b/3681/CH8/EX8.2/Ans8_2.PNG Binary files differnew file mode 100644 index 000000000..7059c3185 --- /dev/null +++ b/3681/CH8/EX8.2/Ans8_2.PNG diff --git a/3681/CH8/EX8.2/Ex8_2.sce b/3681/CH8/EX8.2/Ex8_2.sce new file mode 100644 index 000000000..215ef0c87 --- /dev/null +++ b/3681/CH8/EX8.2/Ex8_2.sce @@ -0,0 +1,17 @@ +// Calculating the stress on the ring
+clc;
+disp('Example 8.2, Page No. = 8.8')
+// Given Data
+rpm = 3000;// Speed in r.p.m.
+Rm = 0.35;// Radius of overhang (in meter)
+Rmr = 0.49;// Radius of ring (in meter)
+G = 300;// Weight of copper winding (in kg)
+gr = 7800;// Density of ring material (in kg per meter cube)
+tb = 350*45*10^(-6);// Area of retaining ring
+// Calculation of the stress on the ring
+n = rpm/60;// Speed in r.p.s
+Dm = 2*Rm;// Diameter of overhang (in meter)
+Dmr = 2*Rmr;// Diameter of ring (in meter)
+ft = (%pi*n*n*G*Dm/tb)+(%pi*%pi*n*n*gr*Dmr*Dmr);// Stress on ring (in Newton per meter square)
+disp(ft,'Stress on ring (Newton per meter square)=');
+//in book answer is 289.5 (MN per meter square). The answers vary due to round off error
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