中文摘要：

含水层-井孔水流问题是水文地质学中最重要的基础性研究课题之一。长期以来水文地质模型中对井孔的刻画基本上都是引用“热传导”中的“线汇”理论，需要人工预先给定线汇的流量或水头分配，其普适性至今没有得到证明。针对地下水混合井流模拟提出的“渗流-管流耦合模型”和“等效渗透系数”的概念、方法，不仅解决了混合抽水试验求取分层水文地质参数、预测分层地下水降落漏斗等问题，更重要的是提出的模型和方法具有一定的通用性，已被用于模拟水平井、自流井、观测孔等，并发展为岩溶管道-裂隙-孔隙三重空隙介质地下水流模型。“渗流-管流耦合模型”和“等效渗透系数”方法不仅得到现场试验的应用性验证，也通过物理模拟得到了检验。

英文摘要：

The description of well-aquifer system is one of the most important and fundamental problems in hydrogeological sciences. In the past years, numerous hydrogeological modelers used “line-sink” of “heat conduction” to describe a well .. In order to do so, one needs to determine the discharge or head distribution of the linear sink/source in advance. Up to now, the validity and applicability of such a description is not proved rigorously. Chen in 1992 presented the concept and theory of a “Seepage-pipe Coupling Model” and “Equivalent Conductive Coefficient”, which solved the problem of obtaining the multi-layered hydrogeological parameters and could predict the drawdown of multi-layered geological structures in mixed pumping tests. This model was suitable to simulate horizontal wells, artesian wells, mixed observation wells and so on, and was gradually developed to a groundwater flow model with triple media of karstic tube-fissure-pore. This method was validated by in-situ tests and several case studies, and was also verified by experimental simulation.