initial commit / add all books

1 files changed, 21 insertions, 0 deletions

diff --git a/3511/CH5/EX5.3/Ex5_3.sce b/3511/CH5/EX5.3/Ex5_3.sce
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+clc;

+rp=6; // Pressure ratio

+T1=300; // Inlet air temperature to the compressor in kelvin

+T3=577+273; // Inlet temperature of air at turbine in kelvin

+Vr=240; // Volume rate in m^3/s

+Cp=1.005; // Specific heat at constant pressure in kJ/kg K

+r=1.4; // Specific heat ratio

+R=287; // Characteristic gas constant in J/kg K

+p1=1; // pressure at state 1 in bar

+

+T2=T1*(rp)^((r-1)/r); // Temperature at the end of the compression

+T4=T3*(1/rp)^((r-1)/r); // Temperature after expansion

+Wc=Cp*(T2-T1); // Work done during compression

+WT=Cp*(T3-T4); // Work done during expansion

+WN=WT-Wc; // Net work done

+q=Cp*(T3-T2); // Heat supplied

+row1=p1*10^5/(R*T1); // Density of air at state 1

+P=WN*Vr*row1; // Power output

+eff=WN/q; // Efficiency of a cycle

+disp ("MW   (roundoff error)",P/1000,"Power Output = ");

+disp ("%",eff*100,"Efficiency of a cycle = ");