Research Article
Head Loss in Thin-Walled Drip Tapes with Continuous Labyrinth
Table 2
Equations of head loss (
, m·m
−1) as a function of flow rate (
, m
3·s
−1) for Turbo Tape (TT,
ξ = 150
μm) and Silver Drip (SD,
ξ = 200
μm).
| Emitting pipe model | Test pressure (kPa) | range | Equation | |
| TT | 40 | 4818 to 17383 | = 287455.851.75 | 0.9984 | TT | 60 | 6454 to 23177 | = 282964.871.75 | 0.9977 | TT | 80 | 6887 to 29092 | = 281889.131.75 | 0.9991 | TT | 100 | 12741 to 32855 | = 279015.611.75 | 0.9983 | SD | 40 | 6275 to 15337 | = 289183.701.75 | 0.9993 | SD | 60 | 8947 to 22490 | = 288884.161.75 | 0.9988 | SD | 80 | 11731 to 27427 | = 288696.891.75 | 0.9997 | SD | 100 | 7954 to 31414 | = 287183.701.75 | 0.9994 |
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