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/CH5/EX5.28/28.sce | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100755 551/CH5/EX5.28/28.sce

(limited to '551/CH5/EX5.28')

diff --git a/551/CH5/EX5.28/28.sce b/551/CH5/EX5.28/28.sce
new file mode 100755
index 000000000..92e830c06
--- /dev/null
+++ b/551/CH5/EX5.28/28.sce
@@ -0,0 +1,20 @@
+clc
+p1=7*10^5; //Pa
+T1=733; //K
+p2=1.012*10^5; //Pa
+T2a=433; //K
+y=1.4;
+cp=1.005;
+
+disp("(i) To prove that the process is irreversible")
+T2=T1*(p2/p1)^((y-1)/y);
+disp("T2 =")
+disp(T2)
+disp("But the actual temperature is 433K at th epressure of 1.012 bar, Hence the process is irreversible. Proved.")
+
+
+disp("(ii) Change of entropy per kg of air")
+ds=cp*log(T2a/T2);
+disp("Increase of entropy=")
+disp(ds)
+disp("kJ/kg.K")
\ No newline at end of file
-- 
cgit