From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 1442/CH19/EX19.11/19_11.sce | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100755 1442/CH19/EX19.11/19_11.sce (limited to '1442/CH19/EX19.11/19_11.sce') diff --git a/1442/CH19/EX19.11/19_11.sce b/1442/CH19/EX19.11/19_11.sce new file mode 100755 index 000000000..d0dce13d6 --- /dev/null +++ b/1442/CH19/EX19.11/19_11.sce @@ -0,0 +1,43 @@ +clc +//initialisation of variables +b= 1475.30 //kJ/kg +b0= 144.44 //kJ/kg +h2= 3448.6 //kJkg +h1= 860.5 //kJ/kg +k= 1.27 +k1= 1.34 +R= 8.314 //J/mol K +hf= -393520 //kJ/kmol +hg= 72596 //kJ/kmol +Mc= 12 //kg +n= 1.2 //moles +n1= 3.76 //moles +M= 32 //gms +M1= 28 //gms +M2= 44 //gms +n2= 0.2 //moles +n3= 4.512 //moles +B1= 25592 //kJ/kmol C +B2= 394360 //kJ/kmol C +e= 0.008065 +//CALCULATIONS +B= b-b0 +Q= h2-h1 +CpCO2= k*R/(k-1) +CpO2= k1*R/(k1-1) +Qcoal= (hg+hf)/Mc +mcoal= Q/(-Qcoal) +ncoal= mcoal/Mc +r= (n*M+n1*M1)/Mc +r1= (M2+n2*M+n3*M1)/Mc +mair= r*mcoal +mgas= r1*mcoal +Bfuel= (B1-B2)*e +Bnet= Bfuel+B +p= B*100/(-Bfuel) +//RESULTS +printf (' change in energy= %.2f kJ/kg ',B) +printf (' \n amount of air= %.3f kg/kg ',mair) +printf (' \n amount of gas= %.3f kg/kg ',mgas) +printf (' \n net change in energy= %.2f kg/kg steam ',Bnet) +printf (' \n percent energy in original fuel= %.2f percent ',p) -- cgit