Numerical Simulation as a Tool to Improve SubsUiface Flow
93
o~----------------------------------------------~
-0.5
E
~ -1
'iii
:;:; -1.5
r:::::
CD
'0 -2
Q.
f -2.5
::J
' "
'" -3
f
Q. -3.5
- - Simulated (fitted paramter set)
10cm
- ~ •. Simulated (literature paramter set)
):. ~ ~
0 Measured data
: ><'x
. ~ ·>'<~~·x~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~~~~~~~
~
~ ~ ~ ~ ~ ~ ~ ~ ~ ~~~~~~"Xk ~ - ~ - ~ - - - ~ ~ ~ - ~
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~~.
4+-------,------,-------r------,-------,------4
o
2
3
4
5
6
time after feeding [h]
Fig. 7. Measured and simulated pressure potential in 10 cm depth (daily hydraulic load
401)
Figure 8 shows the measured and simulated effluent flow rate and cumulative
effluent for an increased daily hydraulic loading rate of 60 I using the fitted parameter set as given in Table 2. Again, it was possible to simulate the measured
hydraulic behaviour of the PSCW.
100
.....
";'
r::::: 80
.~
E .....
CD 60
~
~ 40
0
;;::::
.... r::::: CD
::J 20
IE CD
0
.--------------------------------------.25
o 0 0
-
effluent flow rate (simulated)
o effluent flow rate (measured)
cumulative effluent (simulated)
8 cumulative effluent (measured)
o
-~-~·~ .. "fi
'''88
fi1P' ' -'
.;
00 ~ ~ ~l"tf.8 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
20 E
.... c CD
15 .a
:;
~
10 ~
:.;
E
5 G
,y,Nf'I
~~~-r------r-----_,----_,------._-----+O
0
2
3
4
5
6
time after feeding [h]
Fig. 8. Measured and simulated effluent flow rate and cumulative effluent for a single
feeding of 15 I (daily hydraulic load 60 I)
93
o~----------------------------------------------~
-0.5
E
~ -1
'iii
:;:; -1.5
r:::::
CD
'0 -2
Q.
f -2.5
::J
' "
'" -3
f
Q. -3.5
- - Simulated (fitted paramter set)
10cm
- ~ •. Simulated (literature paramter set)
):. ~ ~
0 Measured data
: ><'x
. ~ ·>'<~~·x~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~~~~~~~
~
~ ~ ~ ~ ~ ~ ~ ~ ~ ~~~~~~"Xk ~ - ~ - ~ - - - ~ ~ ~ - ~
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~~.
4+-------,------,-------r------,-------,------4
o
2
3
4
5
6
time after feeding [h]
Fig. 7. Measured and simulated pressure potential in 10 cm depth (daily hydraulic load
401)
Figure 8 shows the measured and simulated effluent flow rate and cumulative
effluent for an increased daily hydraulic loading rate of 60 I using the fitted parameter set as given in Table 2. Again, it was possible to simulate the measured
hydraulic behaviour of the PSCW.
100
.....
";'
r::::: 80
.~
E .....
CD 60
~
~ 40
0
;;::::
.... r::::: CD
::J 20
IE CD
0
.--------------------------------------.25
o 0 0
-
effluent flow rate (simulated)
o effluent flow rate (measured)
cumulative effluent (simulated)
8 cumulative effluent (measured)
o
-~-~·~ .. "fi
'''88
fi1P' ' -'
.;
00 ~ ~ ~l"tf.8 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
20 E
.... c CD
15 .a
:;
~
10 ~
:.;
E
5 G
,y,Nf'I
~~~-r------r-----_,----_,------._-----+O
0
2
3
4
5
6
time after feeding [h]
Fig. 8. Measured and simulated effluent flow rate and cumulative effluent for a single
feeding of 15 I (daily hydraulic load 60 I)
