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

---
 2090/CH2/EX2.7/Chapter2_example7.sce | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100755 2090/CH2/EX2.7/Chapter2_example7.sce

(limited to '2090/CH2/EX2.7/Chapter2_example7.sce')

diff --git a/2090/CH2/EX2.7/Chapter2_example7.sce b/2090/CH2/EX2.7/Chapter2_example7.sce
new file mode 100755
index 000000000..b3c9dde24
--- /dev/null
+++ b/2090/CH2/EX2.7/Chapter2_example7.sce
@@ -0,0 +1,16 @@
+clc
+clear
+//Input data
+p1=1//Inlet pressure in bar
+p2=32.425//Pressure at the end of isentropic compression in bar
+r=6//Ratio of expansion
+r1=1.4//Isentropic index
+
+//Calculations
+rc=(p2/p1)^(1/r1)//Compression ratio
+b=(rc/r)//cut-off ratio
+n=(1-((b^r1-1)/(rc^(r1-1)*r1*(b-1))))*100//Air-standard efficiency
+pm=((p1*rc^r1*n/100*r1*(b-1))/((r1-1)*(rc-1)))//Mean effective pressure in bar
+
+//Output
+printf('Air-standard efficiency is %3.2f percent \n Mean effective pressure is %3.3f bar',n,pm)
-- 
cgit