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

---
 32/CH11/EX11.13/11_13.sce | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100755 32/CH11/EX11.13/11_13.sce

(limited to '32/CH11/EX11.13/11_13.sce')

diff --git a/32/CH11/EX11.13/11_13.sce b/32/CH11/EX11.13/11_13.sce
new file mode 100755
index 000000000..a5eb3f786
--- /dev/null
+++ b/32/CH11/EX11.13/11_13.sce
@@ -0,0 +1,43 @@
+//pathname=get_absolute_file_path('11.13.sce')
+//filename=pathname+filesep()+'11.13-data.sci'
+//exec(filename)
+//Mass of steam genrated per kg of fuel:
+m=8
+//Temperature of steam(in C):
+Ts=400
+//Pressure of feed water(in bar):
+p=30
+//Temperature of feed water(in C):
+T=40
+//Temperature at which feed water leaves the economiser(in C):
+T1=150
+//Dryness fraction:
+x=0.98
+//Calorific value(in kJ/kg.K):
+C=29000
+//From steam tables:
+//Enthalpy of steam generated(in kJ/kg):
+h=3230.9
+hf=1008.42 //kJ/kg
+hfg=1795.78 //kJ/kg
+//Heat to be added(in kJ):
+Q=h-4.18*T
+//Boiler efficiency:
+n=m*Q/C*100
+//Heat added in economiser per kg of steam generated(in kJ/kg):
+Q1=4.18*(T1-T)
+//Percentage fraction of heat in economiser:
+r1=Q1/Q*100
+//Heat added in evaporator per kg of steam generated(in kJ/kg):
+Q2=(hf+x*hfg)-4.18*T1
+//Percentage fraction of heat in economiser:
+r2=Q2/Q*100
+//Heat added in super heater per kg of steam generated by difference(in kJ/kg):
+Q3=Q-Q1-Q2
+//Percentage fraction of heat in economiser:
+r3=Q3/Q*100
+printf("\n RESULT \n")
+printf("\nBoiler efficiency = %f percent",n)
+printf("\nPercentage fraction of heat in economiser = %f percent",r1)
+printf("\nPercentage fraction of heat in evaporator = %f percent",r2)
+printf("\nPercentage fraction of heat in superheater = %f percent",r3)
\ No newline at end of file
-- 
cgit