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

---
 617/CH4/EX4.5/Example4_5.sci | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100755 617/CH4/EX4.5/Example4_5.sci

(limited to '617/CH4/EX4.5')

diff --git a/617/CH4/EX4.5/Example4_5.sci b/617/CH4/EX4.5/Example4_5.sci
new file mode 100755
index 000000000..65a309602
--- /dev/null
+++ b/617/CH4/EX4.5/Example4_5.sci
@@ -0,0 +1,12 @@
+clc();
+clear;
+// To estimate the time lag of temperature (sine) wave 
+t = 24;                        // Time period of tempearture wave in hr
+k = 0.6;                       // Thermal conductivity of wall in Btu/hr-ft-degF
+Cp = 0.2;                      // Specific heat capacity of wall in Btu/lb-degF
+y = 110;                       // specific gravity in lb/ft^3
+x = 8/12;                      // Distance from surface in ft
+a = k/(y*Cp);                   // Thermal diffusivity in ft^2/hr
+n=1/t;                         // frequency in /hr
+delr = x/(2*sqrt(a*%pi*n);     // Time lag in hr
+printf("Time lag of the temperature at a point 8 in from surface is %.1f hr", delr;
-- 
cgit