Journal
ADVANCES IN WATER RESOURCES
Volume 51, Issue -, Pages 27-51Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.advwatres.2012.03.006
Keywords
Groundwater; Aquifer test; Well hydraulic; Analytical model; Numerical model
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Funding
- National Chiao Tung University
- Ministry of Education, Taiwan
- Taiwan National Science Council [NSC 99-2221-E-009-062-MY3, NSC 100-2221-E-009106, NSC101-3113-E-007-008]
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Well hydraulics is a discipline to understand the process of flow to the well in an aquifer which is regarded as a source of groundwater. A variety of analytical and numerical models have been developed over the last few decades to provide a framework for understanding and quantifying the flow behavior in aquifer systems. In this review, we first briefly introduce the background of the theory of well hydraulics and the concepts, methodologies, and applications of analytical, semi-analytical, numerical and approximate methods in solving the well-hydraulic problems. We then address the subjects of current interests such as the incorporation of effects of finite well radius, wellbore storage, well partial penetration, and the presence of skin into various practical problems of groundwater flow. Furthermore, we also summarize recent developments of flow modeling such as the flow in aquifers with horizontal wells or collector wells, the capture zone delineation, and the non-Darcian flow in porous media and fractured formations. Finally, we present a comprehensive review on the numerical calculations for five well functions frequently appearing in well-hydraulic literature and suggest some topics in groundwater flow for future research. (C) 2012 Elsevier Ltd. All rights reserved.
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