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

---
 779/CH12/EX12.12/12_12.sce | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100755 779/CH12/EX12.12/12_12.sce

(limited to '779/CH12/EX12.12')

diff --git a/779/CH12/EX12.12/12_12.sce b/779/CH12/EX12.12/12_12.sce
new file mode 100755
index 000000000..a229a6678
--- /dev/null
+++ b/779/CH12/EX12.12/12_12.sce
@@ -0,0 +1,32 @@
+// From table and graph 
+h1 = 2792.2;
+h4 = 122.96;
+hb = 254.88;
+hc = 29.98;
+ha = 355.98;
+hd = hc;
+h2 = 1949.27;
+//
+m = (h1-h4)/(hb-hc); // Amount of mercury circulating
+Q1t = m*(ha-hd);
+W1t = m*(ha-hb) + (h1-h2);
+Nov = W1t/Q1t ;
+disp("%",Nov*100,"Overall efficiency of the cycle")
+S = 50000; // Stem flow rate through turbine in kg/h
+wm = S*m;
+disp("kg/h",wm,"Flow through the mercury turbine is")
+Wt = W1t*S/3600;
+disp("kW",Wt,"Useful work done in binary vapour cycle is")
+nm = 0.85; // Internal efficiency of mercury turbine
+ns = 0.87; // Internal efficiency of steam turbine
+WTm = nm*(ha-hb);
+hb_ = ha-WTm; // hb'
+m_ = (h1-h4)/(hb_-hc); // m'
+h1_ = 3037.3; // h'
+Q1t = m_*(ha-hd)+(h1_-h1);
+x2_ = (6.9160-0.4226)/(8.47-0.4226);
+h2_ = 121+(0.806*2432.9);
+WTst = ns*(h1_-h2_);
+WTt = m_*(ha-hb_)+WTst;
+Nov = WTt/Q1t;
+disp("%",Nov*100,"Overall efficiency is") 
-- 
cgit