initial commit / add all books

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diff --git a/1913/CH2/EX2.24/ex24.sce b/1913/CH2/EX2.24/ex24.sce
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+clc

+clear

+//Input data

+p1=100;//Pressure at the inlet of the compressor in kPa

+p2=500;//Pressure at the outlet of the compressor in kPa

+v1=3;//Volume of the air at the inlet of the compressor in m^3/kg

+v2=0.8;//Volume of the air at the outlet of the compressor in m^3/kg

+c1=25;//The velocity of air at the inlet of the compressor in m/s

+c2=130;//The velocity of air at the outlet of the compressor in m/s

+z=12;//The height of delivery connection above the inlet in m

+g=9.81;//Gravitational constant in m/s^2

+n=1.3;//Polytropic index

+

+//Calculations

+W=[(n)*(p1*v1-p2*v2)]/(n-1);//Workdone for open system polytropic process in kJ/kg

+K=[(c2^2-c1^2)/2000];//Change in kinetic energy of the system in kJ/kg

+P=g*(z)/1000;//Change in potential energy of the system in kJ/kg

+w=W-K-P;//The shaft work of the compressor in kJ/kg

+

+//Output

+printf('The Shaft work of the compressor w = %3.3f kJ/kg \n It is the power absorbing system',w)