alexa Application of Computational Fluid Dynamics to Design High Performance Drip Irrigation Emitters

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Application of Computational Fluid Dynamics to Design High Performance Drip Irrigation Emitters

The emitters with labyrinth channels are widely applied in drip irrigation system for their simply structures and low manufacturing cost compared with pressure compensating emitters. The pressurized water in pipes drops into the soil slowly and uniformly through emitter’s labyrinth channels. The fluid inside emitters is expected to be turbulent so that it can weaken the influence on flow rates due to the fluctuation of operating pressure and improve the irrigation uniformity [1]. Because of its small geometry and opaque channel, it is not easy to observe the flow state of the fluid. Computational Fluid Dynamics (CFD) offers the possibility to investigate the fluid inside channels not always accessible using experimental techniques.

 
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