Table 1 Hydraulic performance parameters of studied drip irrigation tapes.

From: Average relative flow of single-wing labyrinth drip irrigation tape based on projection pursuit regression

Type

Outer diameter (mm)

Water outlet spacing (cm)

Number of trapezoidal flow channel teeth

Rated pressure (kPa)

Rated flow (L/h)

Flow coefficient

Flow regime index

H1

16

30

85

100

1.8

0.11

0.60

H2

16

30

63

100

2.6

0.16

0.61

H3

16

30

54

100

3.2

0.25

0.55

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