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Diffstat (limited to '1835/CH5/EX5.2/Ex5_2.sce')
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1 files changed, 18 insertions, 0 deletions
diff --git a/1835/CH5/EX5.2/Ex5_2.sce b/1835/CH5/EX5.2/Ex5_2.sce new file mode 100755 index 000000000..1c739e36f --- /dev/null +++ b/1835/CH5/EX5.2/Ex5_2.sce @@ -0,0 +1,18 @@ +//CHAPTER 5 ILLUSRTATION 2 PAGE NO 161
+//TITLE:Inertia Force Analysis in Machines
+clc
+clear
+PI=3.141
+r=.3// length of crank in metres
+l=1.5// length of connecting rod in metres
+N=180// speed of rotation in rpm
+teeta=40// angle of inclination of crank in degrees
+//============================
+n=l/r
+w=2*PI*N/60// angular speed in rad/s
+Vp=w*r*(sind(teeta)+sind(2*teeta)/(2*n))// velocity of piston in m/s
+fp=w^2*r*(cosd(teeta)+cosd(2*teeta)/(2*n))// acceleration of piston in m/s^2
+costeeta1=(-n+(n^2+4*2*1)^.5)/(2*2)
+teeta1=acosd(costeeta1)// position of crank from inner dead centre position for zero acceleration of piston
+//===========================
+printf('Velocity of Piston = %.3f m/s\n Acceleration of piston = %.3f m/s^2\n position of crank from inner dead centre position for zero acceleration of piston= %.3f degrees',Vp,fp,teeta1)
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