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7/25/2019 Proceso-1.docx
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Proceso 1-2 (compresin isentrpica de un gas ideal)
T1 = 300 K
h1 = 300.19
kj
kg
Pr1 = 1.386
Pr2 =
P2
P1 Pr
1 = (13 ) (1.386 )=18.018 T2 = 447.6 K
h2 = 8.!
kj
kg
Proceso 3- (e"pansin isentrpica de un gas ideal)
T3 = 81# K
h3 = 838.9!
kj
kg
Pr3 = !2
Pr4 = (
1
13)(52) = T4 = 06.6# K (a la salida de la tur$ina)
h4 = 08.31
kj
kg
%&''
w comp,entrada =2h
1
h = 18.31kj
kg
w turbina, salida =
3h4
h = 30.6
kj
kg
*+ ,,' /&' ,+ *+& & &
w comp,entrada =
wcomp , ideal
ncomp =148.31
0.85 =1#.8kj
kg
w turbina =w turbina,ideal "
nturbina = (30.6)(0.90) = 38#.!#6kj
kg
7/25/2019 Proceso-1.docx
2/2
neto = turbinacomp = (38#.!#6)( ma 4 mc(174.48x ma)
5000=387.576(
a
15 +ma)(174.48x ma)
5000=238.93ma
a=20.93 kg
s
c=1.39
kg
s