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 --- 1835/CH7/EX7.12/Ex7_12.sce | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100755 1835/CH7/EX7.12/Ex7_12.sce (limited to '1835/CH7/EX7.12') diff --git a/1835/CH7/EX7.12/Ex7_12.sce b/1835/CH7/EX7.12/Ex7_12.sce new file mode 100755 index 000000000..f9a2b2332 --- /dev/null +++ b/1835/CH7/EX7.12/Ex7_12.sce @@ -0,0 +1,44 @@ +//CHAPTER 7 ILLUSRTATION 12 PAGE NO 208 +//TITLE:GOVERNORS +//FIGURE 7.12,7.13 +clc +clear +//=========================================================================================== +//INPUT DATA +PI=3.147 +EF=.20// MINIMUM RADIUS OF ROTATION IN m +AE=.30// LENGTH OF EACH ARM IN m +A1E1=AE// COMPARING FIRUES 7.12&7.13 +EC=.30// LENGTH OF EACH ARM IN m +E1C1=EC// LENGTH OF EACH ARM IN m +ED=.165// FROM FIGURE 7.12 IN m +MC=ED// FROM FIGURE 7.12 +EH=.10// FROM FIGURE 7.12 IN m +m=8// MASS OF BALL IN Kg +M=60// MASS OF SLEEVE IN Kg +DF=.035// SLEEVE DISTANCE FROM AXIS IN m +E1F1=.25// MAX RADIUS OF ROTATION IN m +g=9.81 +//========================================================= +alpha=asind(EF/AE)// ANGLE OF INCLINATION OF THE ARM TO THE VERTICAL IN DEGREES +beeta=asind(ED/EC)// ANGLE OF INCLINATION OF THE ARM TO THE HORIZONTAL IN DEGREES +k=tand(beeta)/tand(alpha) +h=(AE^2-EF^2)^.5// HEIGHT OF GOVERNOR IN m +EM=(EC^2-MC^2)^.5// FROM FIGURE 7.12 IN m +HM=EM+EH +N2=(895*EM*(m+(M/2*(1+k)))/(h*HM*m))^.5// EQUILIBRIUM SPEED AT MAX RADIUS +HC=(HM^2+MC^2)^.5// FROM FIGURE 7.13 IN m +H1C1=HC +gama=atand(MC/HM) +alpha1=asind(E1F1/A1E1) +E1D1=E1F1-DF// FROM FIGURE 7.13 IN m +beeta1=asind(E1D1/E1C1) +gama1=gama-beeta+beeta1 +r=H1C1*sind(gama1)+DF// RADIUS OF ROTATION IN m +H1M1=H1C1*cosd(gama1) +I1C1=E1C1*cosd(beeta1)*(tand(alpha1)+tand(beeta1))// FROM FIGURE IN m +M1C1=H1C1*sind(gama1) +w1=(((m*g*(I1C1-M1C1))+(M*g*I1C1)/2)/(m*r*H1M1))^.5// ANGULAR SPEED IN rad/s +N1=w1*60/(2*PI)// //SPEED IN m/s +printf('MINIMUM SPEED OF ROTATION = %.3f rpm\n MAXIMUM SPEED OF ROTATION = %.3f rpm',N2,N1) + -- cgit