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

---
 2006/CH8/EX8.1/ex8_1.sce | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100755 2006/CH8/EX8.1/ex8_1.sce

(limited to '2006/CH8/EX8.1/ex8_1.sce')

diff --git a/2006/CH8/EX8.1/ex8_1.sce b/2006/CH8/EX8.1/ex8_1.sce
new file mode 100755
index 000000000..f4ed1e1e9
--- /dev/null
+++ b/2006/CH8/EX8.1/ex8_1.sce
@@ -0,0 +1,25 @@
+clc;
+TH=311.06; // Source temperature in degree celcius
+pb=10; // Boiler pressure in MPa
+TL=32.88; // Sink temperature in degree celcius 
+pc=5; // Condenser pressure in kPa
+// From steam tables at pb
+h2=1407.56; // specific enthalpy in kJ/kg 
+h3=2724.7; // specific enthalpy in kJ/kg 
+s2=3.3596; // specific entropy in kJ/kg K
+s3=5.6141; // specific entropy in kJ/kg K
+// From steam tables at pc
+hf=137.82; hfg=2423.7; // specific enthalpy in kJ/kg 
+sf=0.4764; sfg=7.9187; // specific entropy in kJ/kg K
+x1=(s2-sf)/sfg; // quality of steam at state 1
+x4=(s3-sf)/sfg; // quality of steam at state 4
+h1=hf+x1*hfg; // specific enthalpy at state 1
+h4=hf+x4*hfg; // specific enthalpy at state 4
+wT=h3-h4; // Turbine work
+wC=h2-h1; // Compressor work
+wnet=wT-wC; // Net work output
+qH=h3-h2; // Heat added
+rw=wnet/wT; // Ratio of net work to trbine work
+eff_th=wnet/qH; // Thermal efficiency
+SSC=3600/wnet; // specific steam consumption
+disp ("kg/kWh",SSC,"specific steam consumption =","%",eff_th*100,"Thermal efficiency =",rw,"Ratio of net work to trbine work =");
-- 
cgit