To analyze the influence of angle of labyrinth channels to the hydraulic performance of emitter,Fluent 6.2 CFD software was used to study the sawtooth,trapezoid and rectangle channels with the different angles.The results showed negative relationship between angle and discharge coefficient and flow state exponent when the other conditions did not change.With the increasing of angle the discharge coefficient of trapezoid labyrinth channels decreased by 19.03 percent,the hydraulic performance of rectangle lab...
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