Research advances in non-Darcy flow in low permeability media

• 作者: HAO Hong-bo LV Jie CHEN Yan-mei WANG Chuan-zi HUANG Xiao-rui
• 来源期刊: 地下水科学与工程:英文版
• 学科: 物理学
• 关键词: Low permeability media Non-Darcy flow Constitutive equation Critical point criterion
• 年，卷（期）: 2021,（1）
• 页码范围: 83-92
• 页数: 10页
• 分类号: O35

摘要

More and more experimental results show that Darcy’s law is not fully applicable in low permeability media,and non-Darcy flow has been identified.In this paper we reviewed the research of non-Darcy flow experiments in low-permeability media in recent decades,discuss the existence of non-Darcy flow,and summarize its constitutive equations.The reasons for the threshold gradient were also discussed and summarized for the criterion of the critical point of non-Darcy flow.On this basis,the future development of non-Darcy flow experiments in the rock and clay media were discussed,in order to provide a certain reference for subsequent research on seepage laws in low permeability media.