D
o
2k s
h cond
ln
�b b
2L 4L
2
D
2
A *
(
*
) f
F f
t
Z
* S f A * f
A *
( x k *
*
) f
( x k F ) f
t
Z
* ( x k S ) f A * ( x k * ) f
s
S
f
f
= _
* + A*
A*
(
*
)
f
+
F
f
t Z
= -
(h* F
)
f
Z
(
*
* h
)
f
t
+ A* (Q -
W
work
+ *
h
sat
)
f
+
*
h
S
*
F
s
P
M k * R * Z (T )k * T g to ta
l =
V - V
to ta l liq
1 +
=
P - Pref
Biso
Characteristics
sat sat g
n i
1
' N' umerator Mgi Mgi * Hg
Mgnc * Hrefnc Cpg * (Te
Te )
g
sat
g g
g
n i
1
M i M i*
H
H
�
Mg * Hg Hg (m g
i
mg
o
) * t *
P
*
Method of
A * Hup - Hdn * (X2 - X1) F1
2
X1 - F2
2
X2
Xleak =
F1
2
- F2
2
PPM
out
= PPM
in
*( 1 - (KD
p
+ KD
s
*
) * L )
A = A0 * ( exp( D * *( P - Pref ) / ( E*
X
s
) )
A*
1000000
1
0.0000073P
F
ρ
0
ρ
0
C DT
e
A BT
2 2
}
2
+ 1
F
crit
=
A
rec
* {
p
up
up
+ 1
Y - 1
1 / 2
endif
A
2
* D A(Vp)
2
n f
* P
f * L
Kf
else
F 0.0
F
2
2 * gc * Ku *
*
If ( P .gt. P
y * xo )then
0.7
D
f
N
Re
,
*
n
8
1
n
s
s
k
y
1
f
V
2
2
Deff NRe
reff K2
1.0
K1 -
2.
K3
0*log10
fDW
+ * -
H
=
f
T
*
h
D
h
*
T
g
-
T
w
wall
fg
f
0.25
cond cond 1 g
d t
wall sat
l g
P
g
.29
l
.5 .24 .24
.45 .49
l l
.79
k
l
h
p b
* *
T
-
T
dP
0.75
= 0.0000122
h
Cp
模型
数据及数据库
算法
知识库
油气管道系统数字孪生基础
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