apostila aeronautica tecologista jr mecanica termo e trans cal
DESCRIPTION
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⌘Otto =Wliq
QH= 1� QL
QH
QH = mar.cV (T3 � T2)
QL = mar.cV (T4 � T1)
⌘Otto = 1� mar.cV (T4 � T1)
mar.cV (T3 � T2)
⌘Otto = 1�T1
T4T1�1
T2T3
T2�1
k =cpcv
r =V1
V2=
V4
V3
⌘Otto = 1� 1
(V1V2)k�1
= 1� 1
(r)k�1
⌘Brayton =Wliq
QH=
QH �QL
QH= 1� QL
QH
L
QL = �H(4!1) = mar.cp(T4 � T1)
H
QH = �H(2!3) = mar.cp(T3 � T2)
⌘Brayton = 1� T1
T2
Q = �H +�Ec +�Ep +W
Q = �H +�Ec +�Ep +W
0 = (3160000� 2675000) +102
2+W
0 = 2((3160000� 2675000) +102
2) +W
W = 970,1
H
L