轻小型喷灌机行走速度对灌水性能的影响
Effect of Traveling Speed on Sprinkler Irrigation Performance of Lateral Move Irrigation System
DOI: 10.12677/HJAS.2018.84050, PDF,    科研立项经费支持
作者: 朱兴业*：中国农业科学院农田灌溉研究所/河南省节水农业重点实验室，河南 新乡;江苏大学，流体机械工程技术研究中心，江苏 镇江；陆科骥：江苏大学，流体机械工程技术研究中心，江苏 镇江；陈 震：中国农业科学院农田灌溉研究所/河南省节水农业重点实验室，河南 新乡；高志俊：江苏旺达喷灌机有限公司，江苏 金坛
关键词: 平移式喷灌机；运行速度比；运行距离；灌水量；回归分析；Lateral Move Irrigation System； Speed Ratio； Moving Distance； Irrigation Performance； Regression Analysis
摘要: 为了研究轻小型平移式喷灌机组行走速度对灌水量的影响规律，本文以自行研制的平移式喷灌机组为研究对象，通过室内喷灌试验，研究了轻小型平移式喷灌机组在喷头特定组合间距、安装高度以及特定压力下，平移式喷灌机组的灌水量与运行速度的关系。结果表明：在工作压力为0.07 Mpa，喷头安装间距为3 m，安装高度为1 m时，轻小型平移式喷灌机运行速度比和运行距离对灌水量均有影响。灌水量与运行速度比成指数函数关系，并进一步回归分析得出灌水量，运行速度比，运行距离的关系式。通过单因素方差分析，得出喷灌机运行距离对灌水量影响的显著性概率为0.74，运行距离对灌水量没有显著性影响，而运行速度比对灌水量影响的显著性概率为8.2e−7。因此，在考虑农田的实际应用中时，其运行速度比应作为重要因素。通过补充验证试验分析得出该关系式合理可靠，为灌水量的计算提供了理论依据。
Abstract: In order to identify influence law of trans locating speed of lightweight lateral move irrigation system and irrigation performance, a relationship between trans locating speed of lightweight lateral move irrigation system and irrigation performance at a rated combination space, installation height and rated operating pressure is established through the indoor sprinkler irrigation test by a developed lightweight lateral move irrigation system. The results show that when the pressure, sprinkler spacing and the height is 0.07 Mpa, 3 m and 1 m respectively, the speed ratio of light-weight lateral move irrigation system and moving distance have a certain impact on irrigation quantity. Irrigation quantity and speed ratio have the exponential function relationship, and we further established relationship about irrigation quantity, speed ratio, moving distance by regression analysis. It is concluded that moving distance on the influence of irrigation water significant probability is 0.74, which means that moving distance has no significant influences on irrigation quantity, and the speed ratio on irrigation performance has a significant probability impact of 8.2e−7. Therefore, the speed ratio should be taken into account as an important factor in the application. This relationship is reasonable and reliable by analyzing the supplementary experiment and provides a theoretical basis for the calculation of irrigation quantity.
文章引用：朱兴业, 陆科骥, 陈震, 高志俊. 轻小型喷灌机行走速度对灌水性能的影响[J]. 农业科学, 2018, 8(4): 309-316. https://doi.org/10.12677/HJAS.2018.84050

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