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

---
 858/CH5/EX5.5/example_5.sce | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100755 858/CH5/EX5.5/example_5.sce

(limited to '858/CH5/EX5.5')

diff --git a/858/CH5/EX5.5/example_5.sce b/858/CH5/EX5.5/example_5.sce
new file mode 100755
index 000000000..d676a28bb
--- /dev/null
+++ b/858/CH5/EX5.5/example_5.sce
@@ -0,0 +1,37 @@
+clc
+clear 
+printf("example 5.5 page number 173\n\n")
+
+//to find the rate of heat loss through pipeline
+//resistance by pipeline
+
+d1=0.15   //in m
+d2=0.16   //in m
+l=1   //in m
+A1=3.14*d1*l;
+A2=3.14*d2*l
+Am1=(A2-A1)/log (A2/A1);
+x1=(d2-d1)/2;
+k1=50   //in W/mK
+R1=x1/(k1*Am1);
+
+//resistance by insulation
+d2=0.16   //in m
+d3=0.26   //in m
+l=1   //in m
+A2=3.14*d2*l;
+A3=3.14*d3*l
+Am2=(A3-A2)/log (A3/A2);
+x2=(d3-d2)/2;
+k2=0.08   //in W/mK
+R2=x2/(k2*Am2);
+R=R1+R2;
+
+printf("total resistance = %f K/W",R)
+
+T1=120;   //in K
+T2=40;   //in K
+delta_T=T1-T2;
+Q=delta_T/R;
+
+printf("\n\nheat loss = %f W/m",Q)
-- 
cgit