initial commit / add all books

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+// Exa 6.28

+clc;

+clear;

+close;

+// Given data

+h_f1 = 670;// in kJ/kg

+h_fg1 = 2085;// in kJ/kg

+h_f2 = 475;// in kJ/kg

+h_fg2 = 2221;// in kJ/kg

+P2 = 6*10^2;// in kJ/kg 

+P1 = 1.6*10^2;// in kJ/kg

+n = 1.1;

+x1 = 0.9;

+V1 = 0.3159;// in m^3

+V2 = 1.092;// in m^3

+H_wet = h_f1 + (x1*h_fg1);// in kJ/kg

+V_wet1 = x1*V1;// in m^3

+V_wet2 = V_wet1*(P2/P1)^(1/n);// in m^3

+x2 = V_wet2/V2;

+H_wet2 = h_f2 + (x2*h_fg2);// in kJ/kg

+U2= H_wet2-H_wet+P2*V_wet1-P1*V_wet2;// in kJ/kg

+W= (P2*V_wet1-P1*V_wet2)/(n-1);// in kJ/kg

+Q= U2+W;// in kJ/kg

+disp(Q,"Heat recieved by steam in kJ/kg is");