摘要
喷灌是广泛应用的节水技术,喷头的抗风性能是喷灌技术的一个重要指标。通过研究有风条件下喷洒水滴运行规律,建立水滴在空气中运行轨迹的微分方程,分析有风与无风条件下不同粒径水滴的落地点与喷头的距离以及2种条件下的水量分布规律,发现调节喷头俯仰角与喷水量可以提高喷头的抗风性,从而在有风条件下保证喷灌喷头的工作性能不受风力的影响。
Sprinkler irrigation is a widely used irrigation technology,and the wind resistance of sprinkler is an important index of sprinkler irrigation technology. In this paper,the differential equation of water droplet running in air is given by studying the law of water droplet movement in windy condition. By comparing and analyzing the distance between the landing point of different size water droplets and the nozzle and the water distribution under windy and no-windy conditions,it can be concluded that adjusting the nozzle pitching angle and water jet can improve the wind resistance of the nozzle and so the working performance of the sprinkler head will not be affected by wind force under the windy condition.
作者
郑涵午
赵新宇
ZHENG Han-wu;ZHAO Xin-yu(Nanchang Institute of Technology, Nanchang 330099, Chin)
出处
《节水灌溉》
北大核心
2018年第5期79-81,共3页
Water Saving Irrigation
基金
江西省教育厅科技项目(GJJ2016382)
江西省水利科技项目(KT201543)
关键词
喷灌
抗风性能
调节机制
sprinkler irrigation
wind resistance
regulatory mechanism
