驱动板倾角对负压反馈喷头水力性能影响试验研究  

Experimental study on hydraulic performance of negative pressure feedback sprinkler affected by driving plate inclination angle

作　　者：赵文赫 王新坤[1] 张晨曦 靳彬彬 孟天舒 王玺[1] 邵壮 ZHAO Wenhe;WANG Xinkun;ZHANG Chenxi;JIN Binbin;MENG Tianshu;WANG Xi;SHAO Zhuang(National Research Center of Pumps,Jiangsu University,Zhenjiang,Jiangsu 212013,China;Central Route of South-North Water Transfer Information Technology Co.,Ltd.,Beijing 100176,China;Tangshan Water Administration Supervision Brigade,Tangshan,Hebei 063000,China;Shandong Zhongke Advanced Technology Research Institute Co.,Ltd.,Jinan,Shandong 250101,China)

机构地区：[1]江苏大学国家水泵及系统工程技术研究中心,江苏镇江212013 [2]南水北调中线信息科技有限公司,北京100176 [3]唐山市水政监察支队,河北唐山063000 [4]山东中科先进技术研究院有限公司,山东济南250101

出　　处：《排灌机械工程学报》2023年第3期319-324,共6页Journal of Drainage and Irrigation Machinery Engineering

基　　金：山东省重点研发计划项目(1721440159)。

摘　　要：为了探究射流脉冲喷头驱动板不同倾角及其对喷头水力性能的影响并找出水力性能最优驱动板倾角,采用正交试验法设计了6种不同倾角α(7°,10°,13°,16°,19°,22°)的驱动板,与副喷嘴整体加工实物,分别进行了在不同进口压力下的水力性能试验.试验采用多因素分析法,将喷头射程、喷灌均匀度、喷灌强度作为评价指标,对6组驱动板的试验结果进行分析.结果表明:在0.15~0.30 MPa的进口压力下,喷头射程(13.0~15.0 m)、进口流量(1.27~1.77 m^(3)/h)、喷灌强度(2.38~2.51 mm/h)与驱动板倾角无关.随着驱动板倾角增大,副喷嘴喷洒水量向近处集中,喷灌均匀系数呈先增加后减小的趋势;当α为16°时,喷灌均匀系数最大,喷头的水力性能最优.In order to explore the different inclination angles of the driving plate of the jet pulse sprinkler and its influence on the hydraulic performance of the sprinkler,and find out the optimal inclination angle of the driving plate for hydraulic performance,six kinds of driving plates with different inclination anglesα(7°,10°,13°,16°,19°,22°)were designed by orthogonal test method,and the hydraulic performance tests were carried out under different inlet pressure.The multi-factor analysis method was used to analyze the test results of six groups of driving plates,taking sprinkler range,sprinkler irrigation uniformity and sprinkler irrigation intensity were used as evaluation indexes.The results show that under the inlet pressure of 0.15-0.30 MPa,the sprinkler range(13.0-15.0 m),and inlet flow rate(1.27-1.77 m^(3)/h),and sprinkler irrigation intensity(2.38-2.51 mm/h)have nothing to do with the inclination of the driving plate.With the increase of the inclination angle of the driving plate,the spraying water volume of the auxiliary sprinkler is concentrated near,and the uniformity coefficient of sprinkler irrigation increased first and then decreased.When the inclination angle of the driving plate is 16°,the uniformity coefficient of sprinkler irrigation is the largest and the hydraulic performance of the sprinkler is the best.

关 键 词：射流喷头 驱动板倾角 水力性能 正交试验 

分 类 号：S277.9[农业科学—农业水土工程]