initial commit / add all books

1 files changed, 25 insertions, 0 deletions

diff --git a/2339/CH5/EX5.2.1/Ex5_2.sce b/2339/CH5/EX5.2.1/Ex5_2.sce
new file mode 100755
index 000000000..451bf7068
--- /dev/null
+++ b/2339/CH5/EX5.2.1/Ex5_2.sce
@@ -0,0 +1,25 @@
+clc

+clear

+

+Ma=5400;                //in kg/hr

+Tfw=42;                 //in C

+P=7.6;                  //in bar

+Mf=670;                 //in kg/hr

+x=0.98;                 //Dryness Fraction

+CV=31000;               //kJ/kg

+Ms=Ma/Mf;

+Hf=175.81;              //in kJ/kg

+Hfw=Hf;

+

+//Now at 7.6 bar pressure

+Hf=711.8;               //in kJ/kg

+Hfg=2055.2;             //in kJ/kg

+

+H=Hf+(x*Hfg);

+Eff=100*(Ma*(H-Hfw))/(Mf*CV);

+printf('Boiler Efficiency %3.1f percent',Eff);

+printf('\n');

+

+Me=(Ms*(H-Hfw))/(2257);

+printf('Equivalent evaporation: %3.2f kg/kg of coal',Me);

+printf('\n');