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clc
clear
//DATA GIVEN
p=20; //pressure in the boilers and main is 20 bar
Tbs=350; //temperature of steam in boiler with superheater in deg. celsius
Tm=250; //temperature of steam in the main in deg. celsius
Cps=2.25; //specific heat of steam in kJ/kg
//At 20 bar, from steam tables
Ts=212.4; //deg. celsius
hf=908.6; //kJ/kg
hg=2797.2; //kJ/kg
hfg=1888.6; //kJ/kg
//Boiler B1-20 bar, 350 deg. celsius
h1=hg+Cps*(Tbs-Ts);
//Main-20 bar, 250deg celsius
hm=2*[hg+Cps*(Tm-Ts)]; //total heat of 2 kg of steam in the steam main
//Boiler B2-20 bar,
//h2=hf+x2*hfg
//h2=hm-h1
x2=((hm-h1)-hf)/hfg;
printf('The Quality of steam in the Boiler without superheater is: %1.3f. \n',x2);
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