| 膜孔灌单向交汇肥液入渗湿润体特性试验研究 |
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| 引用本文： | 雷雁斌,董玉云,费良军.膜孔灌单向交汇肥液入渗湿润体特性试验研究[J].灌溉排水学报,2007,26(1):33-36. |
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| 作者姓名： | 雷雁斌 董玉云 费良军 |
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| 作者单位： | 1. 陕西省关中灌区改造工程世行贷款项目办公室,陕西,西安,710048
2. 西安理工大学,水资源研究所,陕西,西安,710048 |
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| 基金项目： | 国家自然科学基金
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陕西省重点实验室基金 |
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| 摘 要： | 通过室内膜孔单向交汇肥液入渗试验,研究了肥液入渗下湿润锋的运移特性,建立了湿润锋运移速率与入渗时间的经验模型;分析了膜孔单向交汇面湿润锋形状,建立了交汇面湿润锋运移距离随时间变化模型;研究了湿润体内土壤含水量和土壤水分再分布的规律。研究成果为进一步进行膜孔灌溉技术研究提供参考。
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| 关 键 词： | 膜孔灌 单向交汇 肥液入渗 湿润体特性 |
| 文章编号： | 1000-646X(2007)01-0033-04 |
| 修稿时间： | 2006-04-27 |
Experimental Study on Influence of Fertilizer Solution Infiltration on Water Transport Characteristics under Film Hole Infiltration |
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| LEI Yan-bin,DONG Yu-yun,FEI Liang-jun.Experimental Study on Influence of Fertilizer Solution Infiltration on Water Transport Characteristics under Film Hole Infiltration[J].Journal of Irrigation and Drainage,2007,26(1):33-36. |
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| Authors: | LEI Yan-bin DONG Yu-yun FEI Liang-jun |
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| Abstract: | Based on lab experiment under single-line interference infiltration of film hole irrigation with fertilizer solution infiltration,the transport characteristics of wetting front were researched,the mathematical models of transport velocity of wetting front and infiltration time were presented.The wetting front shape of interference section was analyzed,models for wetting front transport distance and infiltration time of interference section were developed.The soil moisture content and redistribution law were studied.The results settle scientific foundation for further study of film hole irrigation. |
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| Keywords: | film hole irrigation single-line interference fertilizer solution infiltration wetting body characteristics |
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