updated the code

1 files changed, 13 insertions, 5 deletions

diff --git a/3204/CH8/EX8.2/Ex8_2.sce b/3204/CH8/EX8.2/Ex8_2.sce
index 0829fe80a..30f27faca 100644
--- a/3204/CH8/EX8.2/Ex8_2.sce
+++ b/3204/CH8/EX8.2/Ex8_2.sce
@@ -1,17 +1,25 @@
 // Initilization of variables

 V_r=20 // Velocity ratio

-// Refer the table given in the textbook for values of W,P,M.A & efficiency (eta)

+// Values from the table // Variables have been assumed

+// Values of W in N

+W=[30;40;50;60;70;80;90;100]

+// P in N

+P=[7;8.5;10;11.5;13.5;14.5;16;17.5]

+M.A=[W(1)/P(1);W(2)/P(2);W(3)/P(3);W(4)/P(4);W(5)/P(5);W(6)/P(6);W(7)/P(7);W(8)/P(8)]

+// Efficiency (n)

+n=(V_r^-1)*[M.A(1);M.A(2);M.A(3);M.A(4);M.A(5);M.A(6);M.A(7);M.A(8)]*100 // %

 // Calculations

 // Part (a)- Realtionship between W & P

 // Here part a cannot be solved as it has variables which cannot be defined in Scilab. Ref.textbook for the solution

-// Part (b)- Graph between W & efficiency (eta)

-x=[0;30;40;50;60;70;80;90;100] // values for W // N

-y=[0;21.4;23.5;25;26.1;25.9;27.6;28.1;28.6] // values for efficiency (eta)

+// Part (b)- Graph between W & efficiency n(eta)

+x=[0;W(1);W(2);W(3);W(4);W(5);W(6);W(7);W(8)] // values for W // N

+y=[0;n(1);n(2);n(3);n(4);n(5);n(6);n(7);n(8)] // values for efficiency n (eta) // %

 subplot(221)

 xlabel("W (N)")

-ylabel("efficiency (eta)")

+ylabel("efficiency n (%)")

 plot(x,y)

 // Results

 clc

 printf('The graph is the solution')

 // The value of m is found by drawing straight line on the graph and by taking its slope. Ref textbook for the solution

+// The curve of the graph may differ from textbook because of the graphical calculation.