Simulation of the Hydraulic Behavior of a Bionic-Structure Drip Irrigation Emitter

查看全文 作　　者：Tianyu [1]Xu;Yanru [1]Su;Zhouming [1]Su;Shuteng [1]Zhi;Ennan [1]Zheng;Chengcheng [2]Yan

机构地区：[1]School of Hydraulic and Electric Power,Heilongjiang University,Harbin,150080,China;[2]School of Traditional Chinese Medicine,Zhejiang Pharmaceutical College,Ningbo,315503,China

出　　处：《Fluid Dynamics & Materials Processing》索引2022年第18卷第4期,共14页

基　　金：This work was supported by the Basic Scientific Research Fund of Heilongjiang Provincial Universities(2020-KYYWF-1042). 摘　　要：The bionic structure drip irrigation emitter(BSDE)is a new-type emitter,by which better hydraulic performances can be obtained.In the present work,twenty-five sets of orthogonal test schemes were implemented to analyze the influence of the geometric parameters of the flow channel on the hydraulic characteristics and energy dissipation efficiency of this emitter.Through numerical simulations and verification tests,the flow index and energy dissipation coefficient were obtained.According to the results,the flow index of the BSDE is 0.4757-0.5067.The energy dissipation coefficient under the pressure head of 5-15 m is 584-1701.The verification test has shown that the relative errors among measured values,simulated values and estimated values are less than 3%,which indicates that the flow index can be estimated reliably. 关键词：BSDE flow index energy dissipation numerical simulation verification test

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Simulation of the Hydraulic Behavior of a Bionic-Structure Drip Irrigation Emitter

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