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/CH6/EX6.19/ex6_19.sce | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 2006/CH6/EX6.19/ex6_19.sce

(limited to '2006/CH6/EX6.19/ex6_19.sce')

diff --git a/2006/CH6/EX6.19/ex6_19.sce b/2006/CH6/EX6.19/ex6_19.sce
new file mode 100755
index 000000000..3b9ef2d19
--- /dev/null
+++ b/2006/CH6/EX6.19/ex6_19.sce
@@ -0,0 +1,24 @@
+clc;
+p1=12.5; // Pressure of steam at inlet in MPa
+T1=500; // Temperature of steam at inlet in degree celcius
+V1=50; // Velocity of steam at inlet in m/s
+p2=10; // Pressure of steam at outlet in kPa
+V2=100; // Velocity of steam at outlet in m/s
+// (a).Actual expansion
+x2=0.85; // Quality of steam
+// From steam table
+h1=3341.8; hf2=191.83; hg2=2584.7;  // specific enthalpy in kJ/kg 
+s1=6.4618; sf2=0.6493; sfg2=7.5009; // specific entropy in kJ/kg K
+h2a=(1-x2)*hf2+x2*hg2; // specific enthalpy in kJ/kg 
+wa=(h1-h2a)+((V1^2-V2^2)/2000); // Actual work output
+disp ("kJ",wa,"(a).Actual work output of turbine = ");
+// (b).Reversible adiabatic expansion
+x2s=(s1-sf2)/sfg2; // Quality of steam after reversible adiabatic expansion
+h2s=(1-x2s)*hf2+x2s*hg2; // specific enthalpy in kJ/kg 
+ws=(h1-h2s)+((V1^2-V2^2)/2000); // Reversible adiabatic work output
+L=ws-wa; // Lost of work
+disp ("kJ/kg",L,"Lost of work due to irreversibity of expansion process =","kJ/kg",ws,"Reversible adiabatic work output = ","(b).Reversible adiabatic expansion");
+// (c).Entropy Generation
+s2a=sf2+x2*sfg2; // actual specific entropy in kJ/kg K
+Sgen=s2a-s1; // Entropy generation
+disp ("kJ/kg K",Sgen,"(c).Entropy Generation =");
-- 
cgit