initial commit / add all books

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diff --git a/2006/CH5/EX5.20/ex5_20.sce b/2006/CH5/EX5.20/ex5_20.sce
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+clc;

+p1=15;// Inlet pressure of condenser in kPa

+x=0.92; // Quality of steam

+ms=25; // mass flow rate of steam in kg/s

+d_t=12; // temperature rise of water 

+Cpw=4.1868; // Specific heat of water in kJ/kg K

+hfg=225.94; h4_3=2599.1; // specific enthalpy in kJ/kg

+h1=(1-x)*hfg+x*h4_3; // specific enthalpy 

+h2=225.94; // specific enthalpy in kJ/kg

+Q=ms*(h1-h2); // Heat transfer rate in condenser

+mw=Q/(Cpw*d_t); // Mass flow rate of water 

+disp ("kg/s",mw,"Mass flow rate of water = ","kW",Q,"Heat transfer rate in condenser = ");