標題: Semi-analytical solution for a slug test in partially penetrating wells including the effect of finite-thickness skin
作者: Yeh, Hund-Der
Chen, Yen-Ju
Yang, Shaw-Yang
環境工程研究所
Institute of Environmental Engineering
關鍵字: groundwater;slug test;constant-flux pumping test;skin effect;partially penetrating well;Laplace transform;finite Fourier cosine transform
公開日期: 30-Aug-2008
摘要: This paper presents a new semi-analytical solution for a slug test in a well partially penetrating a confined aquifer, accounting for the skin effect. This solution is developed based on the solution for a constant-flux pumping test and a formula given by Peres and co-workers in 1989. The Solution agrees with that of Cooper and co-workers and the KGS model when the well is fully penetrating. The present Solution can be applied to simulate the temporal and spatial head distributions in both the skin and formation zones. It can also be used to demonstrate the influences of skin type or skin thickness on the well water level and to estimate the hydraulic parameters of the skin and formation zones using a least-squares approach. The results of this study indicate that the determination of hydraulic conductivity using a conventional slug-test data analysis that neglects the presence of a skin zone will give an incorrect result if the aquifer has a skin zone. Copyright (C) 2008 John Wiley &, Sons. Ltd.
URI: http://dx.doi.org/10.1002/hyp.6978
http://hdl.handle.net/11536/8442
ISSN: 0885-6087
DOI: 10.1002/hyp.6978
期刊: HYDROLOGICAL PROCESSES
Volume: 22
Issue: 18
起始頁: 3741
結束頁: 3748
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