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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /764/CH12/EX12.8.b/result12_8.txt | |
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initial commit / add all books
Diffstat (limited to '764/CH12/EX12.8.b/result12_8.txt')
| -rwxr-xr-x | 764/CH12/EX12.8.b/result12_8.txt | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/764/CH12/EX12.8.b/result12_8.txt b/764/CH12/EX12.8.b/result12_8.txt new file mode 100755 index 000000000..45480db8b --- /dev/null +++ b/764/CH12/EX12.8.b/result12_8.txt @@ -0,0 +1,81 @@ +-->//(Brakes) Example 12.8
+
+-->//Face width of the friction lining w (mm)
+
+-->w = 40
+ w =
+
+ 40.
+
+-->//Maximum intensity of normal pressure pmax (N/mm2)
+
+-->pmax = 1
+ pmax =
+
+ 1.
+
+-->//Coefficient of friction mu
+
+-->mu = 0.32
+ mu =
+
+ 0.32
+
+-->//Radius of the drum R (mm)
+
+-->R = 125
+ R =
+
+ 125.
+
+-->//All angles are taken from the same reference
+
+-->//Angles of the shoe theta1 and theta2
+
+-->theta1 = 0
+ theta1 =
+
+ 0.
+
+-->theta2 = 120
+ theta2 =
+
+ 120.
+
+-->//Distance of the force from the horizontal centerline d1 (mm)
+
+-->d1 = 100.9
+ d1 =
+
+ 100.9
+
+-->//Distance of the pivot from the horizontal centerline d2 (mm)
+
+-->d2 = 86.6
+ d2 =
+
+ 86.6
+
+-->//Distance of the pivot from the vertical centerline d3 (mm)
+
+-->d3 = 50
+ d3 =
+
+ 50.
+
+-->//Maximum normal pressure occurs at angle fi (deg)
+
+-->if (theta2 > 90)
+--> fi = 90
+ fi =
+
+ 90.
+-->else
+--> fi = theta2
+-->end
+
+
+Actuating force(P) = 2089.795894 N
+
+Torque absorbing capacity of the brake(Mt) = 434831.051530 N-mm
+
\ No newline at end of file |