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

---
 172/CH12/EX12.1/ex1.sce | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100755 172/CH12/EX12.1/ex1.sce

(limited to '172/CH12/EX12.1/ex1.sce')

diff --git a/172/CH12/EX12.1/ex1.sce b/172/CH12/EX12.1/ex1.sce
new file mode 100755
index 000000000..334158848
--- /dev/null
+++ b/172/CH12/EX12.1/ex1.sce
@@ -0,0 +1,37 @@
+//ques1
+//Standard brayton cycle
+clc
+clear
+//1-Inlet for compressor
+//2-Exit for compressor
+//T-Temperature at a state
+//P-Pressure at a state
+T1=288.2;//K
+P2=1000;//kPa
+P1=100;//kPa
+k=1.4;
+T2=T1*(P2/P1)^(1-1/k);//K
+Cp=1.004;//Specific heat at constant pressure in kJ/kg
+wc=Cp*(T2-T1);//compressor work in kJ/kg;
+printf('Temperature T2 = %.1f K\n',T2);
+printf(' Compressor work = %.1f kJ/kg \n',wc);
+//3-Turbine Inlet
+//4-Turbine Exit
+P4=P1;
+P3=P2;
+T3=1373.2;//K
+T4=T3*(P4/P3)^(1-1/k);//K
+wt=Cp*(T3-T4);
+wnet=wt-wc;
+printf(' Temperature T3 = %.1f K\n',T3);
+printf(' Temperature T4 = %.1f K\n',T4);
+printf(' Turbine work = %.1f kJ/kg\n',wt);
+printf(' Net work = %.1f kJ/kg\n',wt-wc);
+//2-Also high temperature heat exchanger Inlet
+//3-(-do-) Exit
+qh=Cp*(T3-T2);//Heat of source in kJ/kg
+//4-high temp heat exchanger inlet
+//1-(-do-) Exit
+ql=Cp*(T4-T1);//Heat of sink in kJ/kg
+nth=wnet/qh;
+printf(' Thermal Efficiency of cycle = %.1f percent',nth*100);
\ No newline at end of file
-- 
cgit