initial commit / add all books

2 files changed, 18 insertions, 0 deletions

diff --git a/548/CH6/EX6.3.a/6_3a.JPG b/548/CH6/EX6.3.a/6_3a.JPG
new file mode 100755
index 000000000..ac8a12118
--- /dev/null
+++ b/548/CH6/EX6.3.a/6_3a.JPG
diff --git a/548/CH6/EX6.3.a/6_3a.sce b/548/CH6/EX6.3.a/6_3a.sce
new file mode 100755
index 000000000..75c8ab663
--- /dev/null
+++ b/548/CH6/EX6.3.a/6_3a.sce
@@ -0,0 +1,18 @@
+pathname=get_absolute_file_path('6_3a.sce')

+filename=pathname+filesep()+'6_3a_data.sci'

+exec(filename)

+clf();

+i = 1;

+Cl = 0;Cd = 0;Cl_Cd =0;Thrust = 0;

+while(i<=length(V)) 

+    Cl(i) = 2*W/(D*S*V(i)^2);

+    Cd(i) = Cdo + Cl(i)^2/(%pi*e*AR);

+    Cl_Cd(i) = Cl(i)/Cd(i);

+    Thrust(i) = W/Cl_Cd(i)/1000;

+    Power(i)=Thrust(i)*V(i);

+   i = i+1; 

+end 

+xlabel("Velocity (m/s)");

+ylabel("Power (KN-m/s)");

+plot2d(V,Power,5);

+