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 (, m³·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	= 287455.85^1.75	0.9984
TT	60	6454 to 23177	= 282964.87^1.75	0.9977
TT	80	6887 to 29092	= 281889.13^1.75	0.9991
TT	100	12741 to 32855	= 279015.61^1.75	0.9983
SD	40	6275 to 15337	= 289183.70^1.75	0.9993
SD	60	8947 to 22490	= 288884.16^1.75	0.9988
SD	80	11731 to 27427	= 288696.89^1.75	0.9997
SD	100	7954 to 31414	= 287183.70^1.75	0.9994