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

---
 2015/CH9/EX9.9/9_9.sce | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100755 2015/CH9/EX9.9/9_9.sce

(limited to '2015/CH9/EX9.9/9_9.sce')

diff --git a/2015/CH9/EX9.9/9_9.sce b/2015/CH9/EX9.9/9_9.sce
new file mode 100755
index 000000000..e01e0fdbd
--- /dev/null
+++ b/2015/CH9/EX9.9/9_9.sce
@@ -0,0 +1,29 @@
+clc
+//initialisation of variables
+sp=1400 //speed in revolutions per min
+ma=15 //mass in kgs
+r=0.287
+p1=1 //pressure in bar
+t1=303 //temparature in k
+p2=7 //pressure in bar
+c=0.05 //clearance volume/stoke volume
+pi=(22/7)
+n=1.2
+m1=15
+meff=0.85 //mechanical efficinecy
+//CALCULATIONS
+rp=(p2/p1)
+m=ma/sp
+va=(m1*r*t1)/(p1*100)
+eff1=(1+c-c*(rp)^(1/n))
+vs=va/eff1
+d1=((4*vs)/pi)^(1/3)
+pr=((n/(n-1))*m1*r*t1*((rp)^((n-1)/n)-1))/60
+prs=pr/meff
+d2=((prs*4)/(7*100*pi*700))^0.333
+//RESULTS
+printf('volumetric efficiency is %2f',eff1)
+printf('\nlengh of the stroke is %2fm',d1)
+printf('\nindicated power is %2fkw',pr)
+printf('\npower required at the shaft of the compressor is %2fkw',prs)
+printf('\ndiameter of the piston is %2fm',d2)
-- 
cgit