blob: 6a0d8a9b9c8c26abe3a02092770b974397f68496 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
clc
clear
P1=9; //in bar
P2=1; //in bar
T2=115+273; //in K
m=1.8; //in kg
m1=0.2; //in kg
x1=m/(m+m1); //Dryness fraction
//Now from steam table
Hf=742.8; //in kJ/kg
Hfg=2031.1; //in kJ/kg
Hg=2675.5; //in kJ/kg
Tsat=99+273; //in K
Tsup=115+273; //in K
Cps=2.1; //in kJ/kg K
H2=Hg+(Cps*(Tsup-Tsat));
x2=(H2-Hf)/Hfg;
x=x1*x2;
printf('The dryness fraction: %2.4f kJ',x);
printf('\n');
|
