Environmental Engineering Reference
In-Depth Information
Fig. 7.5. Rotary sprinkler shooting two different streams of water spray.
When they are irrigated
with single sprinkler, area
A receives much more
water than does area D.
A
B
C
D
If the sprinklers are
properly spaced,
every area between
sprinklers 1 and 2
receives the same
amount of water.
D
C
B
A
A
B
C
D
A+D
C+B
B+C
D+A
Sprinkler 1
Total precipitation
Sprinkler 2
Fig. 7.6. The precipitation rate from a rotating sprinkler declines along the radius
because the turf area to be covered by same amount of water increases. To assure
uniform distribution of water, sprinklers should be properly spaced with their
irrigation patterns overlapping.
