initial commit / add all books

1 files changed, 27 insertions, 0 deletions

diff --git a/2969/CH10/EX10.3/Ex10_3.sce b/2969/CH10/EX10.3/Ex10_3.sce
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+clc

+clear

+//DATA GIVEN

+T1=20+273;                      //temperature in K

+p1=1;                           //pressure in bar

+p2=10;                          //pressure in bar

+Cv=0.718;                       //in kJ/kgK

+

+//law of compression, pV^1.2=C

+n=1.2; 

+R=0.287;                        //in kJ/kgK

+

+//(T2/T1)=(p2/p1)^((n-1)/n);

+T2=T1*(p2/p1)^((n-1)/n);        //temp. T2 in K

+m=1;

+W=(n)/(n-1)*m*R*T1*[(p2/p1)^((n-1)/n)-1];       //work done per kg of air (kJ/kg of air)

+

+//By the First Law of Thermodynamics

+//heat transferred during compression, Q=W+DU

+//Q=(p1V1-p2V2)/(n-1)+Cv(T2-T1)

+//Q=(T2-T1)*[Cv-R/(n-1)]

+Q=(T2-T1)*[Cv-R/(n-1)];

+

+printf(' (i) The Temperature at the end of compression is: %3.0f K or %3.0f deg. celsius. \n',T2,(T2-273));

+printf(' (ii) The Work done during compression per kg of air is: %3.2f kJ/kg of air. \n',W);

+printf('      The Heat transferred during compression per kg of air is: %2.2f kJ/kg of air. \n',Q);

+printf('      (Negative sign indicates heat REJECTION.) \n');