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国外节水灌溉工程技术发展分析(Overseas Development of Water-saving Irrigation Engineering Technology)
节水灌溉 排灌机械 综述
2010/12/29
提出实行一条开源节流的技术路线,把节水灌溉作为一项系统工程来考虑。节水灌溉系统工程是由规划设计、产品制造、农艺知识、使用维护、服务管理等技术进行综合、集成、组装而成的农业高效用水系统工程。阐述了组成该系统工程的供水、输水和配水3部分的新技术,以及在21世纪的发展趋势,同时指出要从节水灌溉系统工程的高度上来观察、分析和解决问题。
Development of a Mathematical Model Using Dimensional Analysis for Predicting the Friction Losses in Drip Irrigation Laterals with Cylindrical Type In-Line Emitters
Drip irrigation emitters friction loss mathematical model dimensional analysis
2009/1/13
This paper presents a prediction model developed using dimensional analysis for friction losses in drip irrigation laterals. Drip irrigation laterals with cylindrical type in-line emitters placed at d...