Geoscience Reference
In-Depth Information
25
25
23
23
21
21
19
19
17
17
15
15
13
13
11
11
9
9
7
7
5
5
0.01
0.1
1
0.01
0.1
1
y
/
h
(
−
)
y
/
h
(
−
)
25
25
23
23
21
21
19
19
17
17
15
15
13
13
11
11
9
9
7
7
5
5
1
0.01
0.1
0.01
0.1
1
y
/
h
(
−
)
y
/
h
(
−
)
25
25
23
23
21
21
19
19
17
17
15
15
13
13
11
11
9
9
7
7
5
5
0.01
0.1
1
0.01
0.1
1
y
/
h
(
−
)
y
/
h
(
−
)
Fig. 25 Nondimensional transported momentum. QII on the
left
; QIV on the
right
. From
top
to
bottom
: E1/E1D; E2/E2D; E3/E3D. Mobile bed:
circle
; fixed bed
dark circle
A different and more useful organization of data is shown in Fig.
28
. It is the
turbulent energy flux, obtained from the third moments
v
med
3
and
u
2
v
med
assuming
that
w
2
v
med
v
2
v
med
, following Nezu and Nakagawa (
1993
, p. 79) (
w
is the
transverse instantaneous velocity fluctuation).
