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

---
 1073/CH4/EX4.12/4_12.sce | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100755 1073/CH4/EX4.12/4_12.sce

(limited to '1073/CH4/EX4.12/4_12.sce')

diff --git a/1073/CH4/EX4.12/4_12.sce b/1073/CH4/EX4.12/4_12.sce
new file mode 100755
index 000000000..0f0667341
--- /dev/null
+++ b/1073/CH4/EX4.12/4_12.sce
@@ -0,0 +1,22 @@
+
+clc;
+clear;
+//Example 4.12
+sigma=5.67*10^-8    //[W/sq m.K^4]
+T1=77   //[K]
+T2=303  //[K]
+D1=32   //cm
+D1=D1/100   //[m]
+D2=36   //[cm]
+D2=D2/100   //[m]
+A1=%pi*D1^2 //[sq m]
+A2=%pi*D2^2 //[sq m]
+e1=0.03;
+e2=e1;
+Q=sigma*A1*(T1^4-T2^4)/(1/e1+(A1/A2)*(1/e2-1))  //[W]
+Q=Q*3600/1000   //[kJ/h]
+Q=abs(Q);   //[kJ/h]
+lambda=201  //kJ/kg
+m_dot=Q/lambda  //Evaporation rate in [kg/h]
+printf("\n Nitrogen evaporates at %f kg/h",m_dot);
+
-- 
cgit