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

---
 2471/CH6/EX6.9/Ex6_9.sce | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100755 2471/CH6/EX6.9/Ex6_9.sce

(limited to '2471/CH6/EX6.9/Ex6_9.sce')

diff --git a/2471/CH6/EX6.9/Ex6_9.sce b/2471/CH6/EX6.9/Ex6_9.sce
new file mode 100755
index 000000000..72f78c3f3
--- /dev/null
+++ b/2471/CH6/EX6.9/Ex6_9.sce
@@ -0,0 +1,30 @@
+clear ;
+clc;
+// Example 6.9
+printf('Example 6.9\n\n');
+printf('Page No. 157\n\n');
+
+// given
+P = 10;// Boiler pressure in bar
+Ts = 180;// Steam temperature in degree celcius
+Tf = 80;// Feed water temperature in degree celcius
+X = 0.95;// Steam dryness fraction
+m_s = 4100;// steam rate in kg/h
+m_f = 238;// Gas rate in kg/h
+G_CV = 53.5*10^6;// In J/kg
+N_CV = 48*10^6;//in J/kg
+
+//from steam table,AT 10 bar and at temperature T = Ts
+h2 = (763+(X*2013))*10^3;//Specific enthalpy of steam in J/kg
+//At temperature T = Tf
+h1 = 335*10^3;//Specific enthalpy of feed steam in J/kg
+
+E_G = ((m_s*(h2-h1)*100)/(m_f*G_CV));//
+printf('The gross efficiency  percentage is %.0f \n',E_G)
+
+
+E_N = ((m_s*(h2-h1)*100)/(m_f*N_CV));//
+printf('The net efficiency  percentage is %.0f',E_N)
+
+
+
-- 
cgit