summaryrefslogtreecommitdiff
path: root/1244/CH4/EX4.2
diff options
context:
space:
mode:
Diffstat (limited to '1244/CH4/EX4.2')
-rwxr-xr-x1244/CH4/EX4.2/Example42.sce25
1 files changed, 25 insertions, 0 deletions
diff --git a/1244/CH4/EX4.2/Example42.sce b/1244/CH4/EX4.2/Example42.sce
new file mode 100755
index 000000000..53359286e
--- /dev/null
+++ b/1244/CH4/EX4.2/Example42.sce
@@ -0,0 +1,25 @@
+
+
+// Display mode
+mode(0);
+
+// Display warning for floating point exception
+ieee(1);
+
+clc;
+disp("Principles of Heat Transfer, 7th Ed. Frank Kreith et. al Chapter - 4 Example # 4.2 ")
+
+disp("The given example is theoretical and does not involve any numerical computation")
+
+// Local shear stress is given as:
+// tau=0.3*((rho*mu/x)^0.5)*(Uinfinity^1.5)
+
+// Using Local friction coefficient = local shear stress /
+// (0.5*rho*Uinfinity*Uinfinity), we get local friction coefficient as:
+
+//disp("Cfx = 0.6/((ReL*xstar))^0.5")
+
+//Integrating the local value of shear stress over length L and dividing by
+//area i.e. A=L*1, we get average friction coefficient as:
+
+//disp("Cfbar = 1.2/(ReL^0.5)")