Structure Design and Hydraulic Performance Test of Round Rotatory Jet Sprinkler

被引：0
|
作者：
Wang X. [1 ]
Xu S. [1 ]
Fan E. [1 ]
Yao J. [1 ]
Jin B. [1 ]
机构：
[1] Research Center of Fluid Machinery Engineering and Technology, Jiangsu University, Zhenjiang
来源：
Nongye Jixie Xuebao/Transactions of the Chinese Society for Agricultural Machinery | 2019年 / 50卷 / 02期
关键词：
High-speed photography; Hydraulic performance test; Jet sprinkler; Orthogonal test; Water distribution;
D O I：
10.6041/j.issn.1000-1298.2019.02.014
中图分类号：
学科分类号：
摘要：
In order to improve the efficiency of water-saving irrigation in agriculture, the round rotatory jet sprinkler was proposed. The CFD numerical simulation method of the sprinkler was determined. Depth-to-width ratio (k/w), potential difference ratio, split distance ratio and side wall angel were selected as the experimental factors, and frequency of wall-attached switching and flow amplitude were taken as the indexes. The optimum structure of internal channel of sprinkler was obtained by orthogonal test. By means of high-speed photography technology, the frequency of wall-attached switching of jet was measured, and the inlet flow rate of sprinkler was monitored. The results showed that the simulated flow-pressure relation was basically consistent with the experimental results. The relative error range was from 2.1% to 4.0%, and the variation trend of the frequency of wall-attached switching of jet with the inlet pressure was basically the same, and the relative error range was from 7.7% to 22.2%. When the inlet pressure was 0.15 MPa, 0.20 MPa and 0.25 MPa, the hydraulic properties of PY210A impact sprinkler and jet sprinkler were studied, respectively. The flow rate of jet sprinkler was small (1.19~1.53 m3/h), and the range was long (13.0~15.7 m), the sprinkler irrigation intensity was small (2.85~3.63 mm/h), and the rotation period was short (81~105 s). The precipitation of impact sprinkler was "saddle", the precipitation near and far away was relatively large, the precipitation of jet sprinkler was "triangle", and the precipitation was decreased with the increase of range. The research provided a reference for the structure design and hydraulic performance optimization of the round rotatory jet sprinkler. © 2019, Chinese Society of Agricultural Machinery. All right reserved.
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页码：132 / 137and146
相关论文
共 17 条
  • [1] Xu W., Wang X., Shi L., Et al., Current condition and developing tendency of water-saving irrigation technology in China, Chinese Agricultural Science Bulletin, 32, 11, pp. 184-187, (2016)
  • [2] Fang Z., Bao F., Technology status and future development focus of spray and micro irrigation, Journal of Water Resources Research, 29, 3, pp. 21-23, (2008)
  • [3] Li Y., A discussion on several problems of sprinkler irrigation technique development in China, Water Saving Irrigation, 1, pp. 1-3, (2000)
  • [4] Shi S., Xie C., Gao H., Et al., Sprinkler irrigation technology development and existing equipment problems, Water Saving Irrigation, 11, pp. 78-81, (2013)
  • [5] Xu S., Wang X., Xiao S., Et al., Numerical simulation and experimental study on double-nozzle jet sprinkler, Journal of Drainage and Irrigation Machinery Engineering, 36, 10, pp. 981-985, (2018)
  • [6] Li X., Zhang J., Han W., Experiments on hydraulic performance of impact sprinkler with adjustable elevation angel, Transactions of the Chinese Society for Agricultural Machinery, 46, 2, pp. 34-39, (2015)
  • [7] Tang Y., Zhao J., Chen C., Dynamic simulation and optimization of vertical impact drive sprinkler by considering friction coefficient, Journal of Agricultural Mechanization Research, 38, 9, pp. 28-32, (2016)
  • [8] Tang P., Li H., Chen C., Et al., Optimization and experiment of adjustable structural parameters for vertical impact sprinkler with working pressure, Transactions of the CSAE, 32, 20, pp. 99-105, (2016)
  • [9] Li Y., Theoretical model and experiment on fluidic sprinkler wet radius under multi-factor, Journal of Drainage and Irrigation Machinery Engineering, 36, 8, pp. 685-689, (2018)
  • [10] Zhu X., Yuan S., Li H., Compared experiments between complete fluidic and impact sprinkler, Transactions of the Chinese Society for Agricultural Machinery, 39, 2, pp. 70-73, (2008)
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