Hooghoudt
Equation
Example tile drainage system
Input Parameters
=
ft
=
ft
=
in/day
Calculate
q
=
ft
Ditch
(any size)
Tile
=
select
4
5
6
8
10
>= 12
N/A
in
Drain tube
=
select
6
9
12
N/A
in
=
in/h
Calculate
K
1
select
2 layers
3 layers
4 layers
N/A
=
in/h
Calculate
K
2
select
2 layers
3 layers
4 layers
N/A
Intermediary Results
=
ft
=
ft
=
ft
=
ft
=
in
Final Results
=
ft
=
ft
Notes
