From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 764/CH12/EX12.9.a/data12_9.sci | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100755 764/CH12/EX12.9.a/data12_9.sci (limited to '764/CH12/EX12.9.a/data12_9.sci') diff --git a/764/CH12/EX12.9.a/data12_9.sci b/764/CH12/EX12.9.a/data12_9.sci new file mode 100755 index 000000000..c716f7203 --- /dev/null +++ b/764/CH12/EX12.9.a/data12_9.sci @@ -0,0 +1,26 @@ + +//(Brakes) Example 12.9 +//Face width of the friction lining w (mm) +w = 50 +//Maximum intensity of normal pressure pmax (N/mm2) +pmax = 1 +//Coefficient of friction mu +mu = 0.3 +//Radius of the drum R (mm) +R = 250 +//All angles are taken from the same reference +//Angles of the shoe theta1 and theta2 +theta1 = 15 +theta2 = 75 +//Maximum normal pressure occurs at angle fi (deg) +if (theta2 > 90) + fi = 90 +else + fi = theta2 +end +//Distance of the force from the horizontal centerline d1 (mm) +d1 = 200 +//The distance of the pivot from the axis of the brake drum h (mm) +h= 200 +//Distance of the pivot from the vertical centerline d2 (mm) +d2 = 50 -- cgit