initial commit / add all books

1 files changed, 21 insertions, 0 deletions

diff --git a/3511/CH5/EX5.4/Ex5_4.sce b/3511/CH5/EX5.4/Ex5_4.sce
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+clc;

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

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

+T2=475; // Temperature at discharge in kelvin

+p2=5;// Pressure at state 2

+T5=655; // Temperature after heat exchanger in kelvin

+T3=870+273; // Temperature at he turbine inlet in kelvin

+T4=450+273; // Temperature after turbine in kelvin

+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

+

+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-T5); // Heat supplied

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

+

+disp ("kJ/kg",WN,"(i). The output per kg of air = ");

+disp ("%",eff*100,"(ii).The efficiency of the cycle = ");

+disp ("kJ/kg",Wc,"(iii). The work required to drive the compressor = ");