initial commit / add all books

1 files changed, 24 insertions, 0 deletions

diff --git a/2063/CH9/EX9.11/9_11.sce b/2063/CH9/EX9.11/9_11.sce
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+clc

+clear

+//Input data

+D=0.1;//Diameter of the bore of a single acting compressor in m

+L=0.1;//Length of the stroke in m

+N=400;//Operating speed of the compressor in in rpm

+Vc=0.00008;//Clearance volume in m^3

+n=1.2;//Polytropic index

+T1=303;//Initial temperature in K

+Tf=293;//Final temperature in K

+P1=0.95;//Initial pressure in bar

+P2=8;//Final pressure in bar

+Pf=1.013;//Free air pressure in bar

+

+//Calculations

+Vs=(3.14*D^2*L)/4;//Stroke volume of the compressors in m^3

+V1=Vc+Vs;//Initial volume of air is equal to cylinder volume in m^3

+V4=Vc*(P2/P1)^(1/n);//Air in the clearance volume expands during suction stroke to V4

+Ve=V1-V4;//Effective swept volume in m^3

+Vf=(P1*(V1-V4)*Tf)/(T1*Pf);//Free air delivered per cycle can be obtained in m^3

+A=Vf*N;//Free air delivered per minute in m^3/min

+

+//Output

+printf('(a)Free air delivered per cycle is %3.6f m^3\n (b)Free air delivered per minute is %3.4f m^3/min',Vf,A)