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

---
 551/CH15/EX15.28/28.sce | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100755 551/CH15/EX15.28/28.sce

(limited to '551/CH15/EX15.28')

diff --git a/551/CH15/EX15.28/28.sce b/551/CH15/EX15.28/28.sce
new file mode 100755
index 000000000..7ff8ea12a
--- /dev/null
+++ b/551/CH15/EX15.28/28.sce
@@ -0,0 +1,15 @@
+clc
+r1=0.05; //m
+r2=0.1; //m
+T1=400; //K
+T2=300; //K
+e1=0.5;
+e2=0.5;
+F_12=1;
+a=5.67*10^(-8);
+//A1/A2=r1/r2
+
+Q=a*(T1^4-T2^4)/((1-e1)/e1+1/F_12+(1-e2)/e2*r1/r2);
+disp("heat transfer rate per m2 area by radiation")
+disp(Q)
+disp("W/m^2")
\ No newline at end of file
-- 
cgit