Civil Engineering Reference
In-Depth Information
120
100
80
60
40
80% losses
60% losses
40% losses
20% losses
20
0
0
100
200
300
t
[hours]
(a)
Losses = 60%
120
100
80
60
b
= 20
b
= 40
b
40
= 80
b
= 120
20
0
0
100
200
300
t
[hours]
(b)
11.9
Rayleigh probability density recovery function.
Another model is the
lognormal probability density recovery function
which is given by
(
)
ft
ft
θβ
θβ
,
()
=−
Qt
1
L
[11.18]
0
(
(
)
)
max
,
where
2
(
()
−
)
log
x
θ
1
(
)
=
2
ft
θβ
,
e
2
β
[11.19]
x
βπ
2
The sensitivity of the three parameters on the recovery process is shown in
Fig. 11.10.
Search WWH ::
Custom Search