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

---
 409/CH21/EX21.4/Example21_4.sce | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100755 409/CH21/EX21.4/Example21_4.sce

(limited to '409/CH21/EX21.4/Example21_4.sce')

diff --git a/409/CH21/EX21.4/Example21_4.sce b/409/CH21/EX21.4/Example21_4.sce
new file mode 100755
index 000000000..1e4c13940
--- /dev/null
+++ b/409/CH21/EX21.4/Example21_4.sce
@@ -0,0 +1,18 @@
+clear ;
+clc;
+// Example 21.4
+printf('Example 21.4\n\n');
+//page no. 629
+// Solution
+
+//Given
+//Constant volume process 
+mol_air = 10 ;// Moles of air-[kg mol]
+T1 = 60+273 ;// Initial temperature of air-[K]
+T2 = 30+273 ;// final temperature of air-[K]
+// Additional data needed
+Cv = 2.1*10^4 ; // Specific heat capacity of air at constant volume-[J/(kg mol*C)]
+
+// Use eqn. 21.6 for del_U
+del_U = integrate('mol_air*Cv','T',T1,T2) ;//Change in internal energy-[J]
+printf('\nChange in internal energy is %.1e J .\n ',del_U);
\ No newline at end of file
-- 
cgit