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B = B
c
y
c
1
3
Q
=
2
2
2
2
.
µ c
Q
bh
1
(
)
g
3
3
b
B
Θ
/2
y
c
5
2
Q
=
16
2
�
2
.
.
µ c
Q
g
)
tan
(
h
1
25
5
B
1
2
Θ
/
2
2
b
m
1
Q
=
c
Q
[
by
c
+
my
c
][2
g
(
H
1
- y
c
)]
y
c
Θ
(tg
Θ
/
2=m)
H
1
≤
1.25
H
b
1
�
2
5
2
Q
=
16
2
B
2
.
c
Q
µ
(
g
) tan
h
1
25
5
B/2
y
c
H
1
>
1.25
H
b
Θ
/
2
H
b
1
3
2
2
2
1
2
2
.
Q
=
c
Q
µ
(
g
)
B h
1
-
( )
H
b
3
3
y
B
c
u
2
=2fy
1
y
c
3
4
2
h
1
2
focus
c
Q
. µ
fg
Q
=
( )
f
1/2 f
1/2 f
u
r
5
1
H
1
y
c
A
c
d
2
2
Q
=
d
[2
g
]
d
c
Q
( )
-
∝
d
d
B
c
r
y
c
B
B
c
= d
H
1
≤
0.70
d
1
5
2
A
c
d
2
H
1
y
c
]
2
d
Q
=
c
Q
[2
g
( )
-
y
c
-y
2
d
d
d
y
c
H
1
>
0.70
d
1
3
1
3
1/2
d
2
2
Q
=
.
.
- h
1
-
0.0358
d
c
Q
µ
2
d
(2
g
)
( )
Abb. 5.39
Durchflussgleichungen für lange Kontraktionsgerinne. (Nach Bos
1977
)
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