1 files changed, 26 insertions, 0 deletions
diff --git a/2504/CH7/EX7.7/7_7.sce b/2504/CH7/EX7.7/7_7.sce
new file mode 100755
index 000000000..299851d2f
--- /dev/null
+++ b/2504/CH7/EX7.7/7_7.sce
@@ -0,0 +1,26 @@
+clc
+//initialisation of variables
+clear
+p1= 50 //lbf/in^2
+R= 96.3 //ft lbf/lbm R
+T= 80 //F
+p2= 20 //lbf/in^2
+r= 1.31
+u= 2.34*10^-7 //lbf sec/ft^2
+e= 0.00005 //ft
+m= 5*10^4 //lbm/sec
+d= 1.5 //ft
+g= 32.2 //ft/sec^2
+f= 0.113
+//CALCULATIONS
+w1= p1*144/(R*(460+T))
+V1= 4*(m/3600)/(%pi*w1*d^2)
+Ma1= V1/(r*R*g*(460+T))^0.5
+Re= w1*V1*d/(u*g)
+dx= (((1/(r*Ma1^2))*10*(1-(p2/p1)^2))+log(p2/p1))*d/f
+//RESULTS
+printf ('density = %.3f lbm/ft^3',w1)
+printf ('\n mean flow velocity = %.1f ft/sec',V1)
+printf ('\n Match number = %.4f ',Ma1)
+printf ('\n Reynolds number = %.2e ',Re)
+printf ('\n Length of pipe = %.2e ft',dx)