滴灌系统灌水器物理堵塞发生与控制机理研究进展
Journal: Hydropower and Water Resources DOI: 10.32629/hwr.v4i1.2687
Abstract
灌水器是滴灌系统最关键的部件,但是由于其流道狭小,极易发生堵塞,且已有研究与工程实践证明引起灌水器堵塞的主要原因是物理堵塞。若想解决这一问题,首先要对灌水器内部水流流动机理有全面和深入的了解,其次要针对解决物理堵塞采取有效的控制措施。因此,本文从应用现代流动显示技术和计算流体动力学方法两方面对堵塞发生机理研究进展进行阐述,以为滴灌系统灌水器物理堵塞控制措施与机理的研究提供一定的理论基础。
Keywords
滴灌系统；灌水器；物理堵塞；机理
Funding
北京农业职业学院科研项目(XY-YF-19-19)；北京市优秀人才培养资助项目(2018-14)。
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[4] Zhou B,Li YK,Pei YT,etal.．Quantitative relationship between biofilms components and emitter clogging under reclaimed water drip irrigation.Irrigation Science.2013,31(6):1251-1263.
[5] Li Y K,Yang P L,Xu T W,et al．CFD and digital particle tracking to assess flow characteristics in the labyrinth flow path of a drip irrigation mitter[J].Irrigation Science,2008,26:427-438.
[6] Liu H.S. Li Y.K., Liu Y.Z. et al..: Flow Characteristics in Energy Dissipation Units of Labyrinth Path in the Drip Irrigation Emitters with DPIV Technology [J].Journal of Hydrodynamics. 2009, 21(6):137-145.
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[8] 李云开.灌水器分形流道设计及其流动特性的试验研究与数值模拟[D].北京:中国农业大学,2005.
[9] Zhang J,Zhao WH,Tang YP,etal.Structural optimization of lab yrinth-channel emitters based on hydraulic and anti-clogging performan ces.Irrigation Science.2011,29(5):351-357.
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