Elérési idő új típusú meghatározása parti szűrésű rendszerekben működő vízkivételi műveknél

Gábor Nyiri; Péter Szűcs

doi:10.59258/hk.17595

Gábor Nyiri University of Miskolc, Faculty of Earth Science and Engineering https://orcid.org/0009-0007-7596-6968
Péter Szűcs University of Miskolc https://orcid.org/0000-0002-6061-2514

Keywords: Riverbank filtration, transit time, horizontal collector well, gallery, Modflow, Modpath

Abstract

In our study, we deal with the examination of riverbed filtered (RBF) water bases. The subject of our research is the transit time, which shows how long it takes for the water to reach the production well from the river. Various methods are known for determining this value, from isotope hydrogeological studies to numerical modeling. The determination of this value is not self-evident due to the high degree of variability of the hydraulics of RBF systems, as well as the peculiarities of the well design. During our research, we used the tool of numerical modeling. Using the Modflow and Modpath programs, we determined the transit time of water particles and their distribution. With the help of a permanent and transient model, we also investigated how well design, changes in flowrate, and a flood influence these transit time distribution curves. We also monitored the changes in the characteristic values (minimum, median) of the distributions. It can be said that by using these distribution curves, we can get a more accurate picture of the value of the transit time, which can have an impact on the more precise determination of the cleaning efficiency of the RBF.

Author Biographies

Gábor Nyiri, University of Miskolc, Faculty of Earth Science and Engineering

GÁBOR NYIRI In 2013, he graduated from the University of Miskolc with a bachelor's degree in environmental engineering, then continued his studies at the master's degree in hydrogeological engineering at the University of Miskolc, where he obtained a hydrogeological engineering degree in 2015. From 2015 to 2016, he was the environmental officer of the ÉRV ZRt. From 2016, he is a PhD student at the Mikoviny Sámuel Doctoral School of Earth Sciences of the University of Miskolc. His main research area is related to riverbank filtration systems and horizontal collector wells. He successfully defended his PhD thesis in July 2022. He is currently a scientific associate at the Institute of Water and Environmental Management of the University of Miskolc.

Péter Szűcs, University of Miskolc

PÉTER SZŰCS obtained a diploma in geophysical engineering with honors from the Faculty of Mining Engineering of the Technical University for Heavy Industry in 1988. At the beginning of his teaching and research career, he first worked at the Department of Geophysics and then at the Mining Chemistry Research Laboratory of the Hungarian Academy of Sciences. In 1993, he obtained the title of Dr. Univ., and in 1996, he obtained a PhD. In 2009, he obtained the academic title of Doctor of the Hungarian Academy of Sciences, and successfully completed his habilitation (Dr. habil.) at the University of Miskolc. Since 1998, he has been working at the Department of Hydrogeology and Engineering Geology of the University of Miskolc. Head of the department since 2010. In 2010, he was appointed as a university professor. Head of the MTA-ME Geoengineering Research Group from 2012 to 2022. The number of his publications is more than 640. In 2022, he was elected as a corresponding member of the Hungarian Academy of Sciences. He is a member of the Hungarian Hydrological Society since 1998.

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A new type of determination of transit time for water extraction structures operating in riverbank filtration systems

Abstract

Author Biographies

References