水利水电科技进展2018,Vol.38Issue(2):20-25,6.DOI:10.3880/j.issn.1006-7647.2018.02.004
竖直微润灌土壤水分运动数值模拟与验证
Numerical simulation and verification of soil water movement in vertical moistube-irrigation
摘要
Abstract
Further understanding of the soil water movement in moistube-irrigation can be guidance for engineering design. A mathematical model of soil water movement in vertical moistube-irrigation was established based on the unsaturated soil water movement theory. The model was then solved by the SWMS-2D software. The simulated indexes, including the infiltration capacity per unit length,movement of the soil wetting front and moisture content in the soil profiles were verified by indoor moistube-irrigation experiments. It shows that the simulated results agreed well with measured values,indicating that the model can truly reflect soil water movement during moistube-irrigation. It is feasible to simulate soil water movement for the vertical moistube-irrigation is proved by SWMS-2D.关键词
竖直微润灌/非饱和土壤/土壤水分运动/数值模拟/SWMS-2DKey words
vertical moistube-irrigation/unsaturated soil/soil water movement/numerical simulation/SWMS-2D分类
建筑与水利引用本文复制引用
范严伟,赵彤,赵廷红..竖直微润灌土壤水分运动数值模拟与验证[J].水利水电科技进展,2018,38(2):20-25,6.基金项目
国家自然科学基金(51409137) (51409137)