1 files changed, 49 insertions, 0 deletions
diff --git a/32/CH8/EX8.05/8_05.sce b/32/CH8/EX8.05/8_05.sce
new file mode 100755
index 000000000..f2371c253
--- /dev/null
+++ b/32/CH8/EX8.05/8_05.sce
@@ -0,0 +1,49 @@
+//pathname=get_absolute_file_path('8.05.sce')
+//filename=pathname+filesep()+'8.05-data.sci'
+//exec(filename)
+//Pressure of steam leaving the boiler(in MPa):
+p1=10
+//Temperature(in K):
+T1=700+273
+//Pressure of steam leaving the turbine(in MPa):
+p4=0.005
+//Output of the plant(in MW):
+W=50
+//Temperature of the cooling water entering and leaving the condensor(in K):
+Twin=15+273
+Twout=30+273
+//From steam tables:
+h2=3870.5 //kJ/kg
+s2=7.1687 //kJ/kg.K
+s3=s2
+sf=0.4764 //kJ/kg.K
+sfg=7.9187 //kJ/kg.K
+hf=137.82 //kJ/kg
+hfg=2423.7 //kJ/kg
+h4=hf
+v4=0.001005 //m^3/kg
+//Specific heat of water(in kJ/kg.K):
+Cp=4.18
+//Dryness fraction at state 3:
+x3=(s3-sf)/sfg
+//Enthalpy at state 3(in kJ/kg):
+h3=hf+x3*hfg
+//Enthalpy at state 1(in kJ/kg):
+h1=h4+v4*(p1-p4)
+//Net output per kg of steam(in kJ/kg):
+Wnet=(h2-h3)-(h1-h4)
+//Mass flow rate of steam(in kg/s):
+ms=W*10^3/Wnet
+//Mass flow rate of water(in kg/s):
+mw=(h3-h4)*ms/(Cp*(Twout-Twin))
+//Heat added per kg of steam(in kJ/kg):
+Q=h2-h1
+//Thermal efficiency:
+n=Wnet/Q
+//Ratio of heat supplied:
+r=(h2-h1)/(h3-h4)
+printf("\n RESULT \n")
+printf("\nMass flow rate of steam = %f kg/s",ms)
+printf("\nMass flow rate of condensor cooling water = %f kg/s",mw)
+printf("\nThermal efficiency=%f",n*100)
+printf("\nRatio of heat supplied and rejected = %f",r)
+\ No newline at end of file