| 单点源滴灌条件下土壤渗流规律研究 |
| |
| 引用本文： | 管英柱.单点源滴灌条件下土壤渗流规律研究[J].现代农业科技,2011(15):11-12. |
| |
| 作者姓名： | 管英柱 |
| |
| 作者单位： | [1]长江大学石油工程学院,湖北荆州434023 [2]油气钻采工程湖北省重点实验室 |
| |
| 摘 要： | 针对单点源滴灌条件下的渗流过程,考虑土壤及水的压缩性影响,建立了弹性不稳定渗流数学模型。根据此模型可得到不同滴头流量条件下的润湿锋距离随时间变化规律及不同时刻土壤水头分布规律。计算结果表明:润湿锋距离增加的幅度随着灌溉时间的延长而减小,土壤压降漏斗前缘随着时间延长而不断向外扩展。
|
| 关 键 词： | 单点源滴灌 渗流规律 润湿锋 数学模型 |
Study on Soil Seepage Law Under Single Points Source of Drip Irrigation |
| |
| Authors: | GUAN Ying-zhu |
| |
| Institution: | GUAN Ying-zhu 1,2(1 College of Petroleum Engineering,Yangtze University,Jingzhou Hubei 434023,2 Key Laboratory of Dring and Exploitation Engineering for Oil and Gas in Hubei Province) |
| |
| Abstract: | Mathematical model of elastic unsteady seepage flow was established for single point source of drip irrigation considering the impact of compression of soil and water.Wetting front distance under different dripper discharge and hydraulic head distribution |
| |
| Keywords: | single point drip irrigation seepage flow law wetting front mathematical model |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
