OPPGAVE 3 - Of the Clux

Totalsystem for pumpe og system:
1
3
5
p[bar]
10 50 100
Q[m3/h]
c)
Trykkfall over reguleringsventil CV:
2
4
2
4
2
4
10
4,5
5
10
0,9
10
3,6
5
]
[ Q
Q
Q
p
p
bar
p System ⋅
⋅
−
=
⋅
⋅
−
⋅
⋅
−
=
− Δ
=
Δ
−
−
−
]
0,5[
100
10
4,5
5
10
4,5
5
]
[
] :
/
100[
2
4
2
4
3
bar
Q
bar
p
h
m
Q =
⋅
⋅
−
=
⋅
⋅
−
=
Δ
=
−
−
maks
V
maks
V
V
K
K
m
kg
bar
p
K
h
m
Q ,
,
3
3
0,707
1000
0,5
1000
]
[
]
[
1000
100
]
[ =
⋅
=
Δ
⋅
=
=
ρ
141,4
0,707
100
, =
=
maks
V
K
d)
]
[
10
3,704
]
3,704[
60
10
3,6
5
])
[
(
10
3,6
]
5[
]
[
5
2
4
2
3
4
Pa
bar
h
m
Q
bar
bar
p
⋅
=
=
⋅
⋅
−
=
⋅
−
=
−
−
]
[
3600
60
]
60[
3
3
s
m
h
m
Q =
=
]
6173,3[
3600
60
10
3,704
]
[
5
W
Q
p
W
P =
⋅
⋅
=
⋅
=
e)
]
4,72[
25
10
4,5
5
10
4,5
5
]
[
2
4
2
25
4
,25
25
25 bar
Q
p
p
bar
p System =
⋅
⋅
−
=
⋅
⋅
−
=
− Δ
=
Δ
−
−
,25
,25
3
25
,25
3
25 17
2,
1000
4,72
1000
]
[
]
[
1000
25
]
[ V
V
V
K
K
m
kg
bar
p
K
h
m
Q =
⋅
=
Δ
⋅
=
=
ρ
11,5
2,17
25
25
, =
=
V
K
4