summaryrefslogtreecommitdiff
path: root/2339/CH5/EX5.19.1/Ex5_19.sce
blob: c8e4a4461a6503a9e7fc91ac9c61f2c4c5139f09 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
clc
clear

Ma=5500;        //kg/hr
P=1;            //bar
x=0.94;         //Dryness Fraction
Tfw=40;         //in C
Mf=600;         //kg/hr
CV=32000;       //kJ/kg
Hfw=Tfw*4.187;

//At 1 bar pressure
Hf=417.5;       //kJ/kg
Hfg=2258;       //kJ/kg
H=Hf+(x*Hfg);
Ms=Ma/Mf;

Me=(Ms*(H-Hfw))/2257;
printf('Equivalent Evaporation: %3.3f kg/kg of coal',Me);
printf('\n');

Eff=(Ms*100*(H-Hfw))/CV;
printf('Efficiency: %3.2f percent',Eff);
printf('\n');