d
i
a
g
r
a
m
p
l
o
t
s
i
n
l
e
t
v
e
l
o
c
i
t
y
u
1
(
m
/
s
)
1
0
0
o
u
t
l
e
t
d
i
a
m
e
t
e
r
d
2
(
m
)
0
.
0
4