The Effect of Different Turbulence Models on the Emitter Discharge by Using Computational Fluid Dynamics

Abstract:

Four types of Super Typhoon drip emitter with trapezoidal channel were selected out for the investigation of the flow field of the channel, and the CFD (Computational Fluid Dynamics) method was applied to simulate the micro-field inside the channel. The simulation results showed that the emitter discharge of different turbulent model is 4%-14% bigger than that of the experimental results, the average discharge deviation of κ-ω and RSM model is 5, 4.5 respectively, but the solving efficiency of the κ-ω model is obviously higher than that of the RSM model.

• Periodical: Advanced Materials Research (Volume 662)
• Pages: 586-590
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.662.586
• Online since: February 2013
• Authors: Gang Lu, Qing Song Yan, Bai Ping Lu, Shuai Xu, Kang Li
• Keywords: Computational Fluid Dynamics (CFD), Drip Emitter, Drip Irrigation, Turbulent Models

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