Ecreasing function of the The flow price is maximum for the no slip condition and

Ecreasing function of the The flow price is maximum for the no slip condition and starts increasing when the slip parameter. worth of increases. Hence, the coating thickness is a decreasing function on the slip At = 0, and for , the YB-0158 Epigenetics numerical outcomes of flow rate are recovered and parameter. matched with Greener and Middleman [20]. At = 0 , and for , the numerical results of flow rate are recovered and matched with Greener and Middleman [20].Author Contributions: H.S., conceptualization, investigation, writing–original draft, methodology; M.B.H., funding acquisition, writing–review and editing; X.W., supervision; Z.S., DatamethodolAuthor Contributions: H.S., conceptualization, investigation, writing–original draft, curation; A.M.A., funding. All authors have writing–review to the Biotin-azide Cancer published version of the manuscript. ogy; M.B.H., funding acquisition, read and agreed and editing; X.W., supervision; Z.S., Information cura-tion; A.M.A., funding. received no external and agreed to the published version from the manuscript. Funding: This researchAll authors have readfunding. Funding: This investigation received no external funding Institutional Overview Board Statement: Not applicable. Institutional Review Board Statement: Not applicable. Informed Consent Statement: Not applicable. Informed Consent Statement: Not applicable. Information Availability Statement: Not applicable. Information Availability Statement: Not applicable. Conflicts of Interest: The authors declare no conflict of interest.
coatingsArticleWell Rehabilitation via the Ultrasonic System and Evaluation of Its Effectiveness from the Pumping TestDaniel Kahuda 1,two , Pavel Pech 1, , V lav Ficaj 1, and Hana Pechov2Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kam k129, 165 00 Prague-Suchdol, Czech Republic; [email protected] VODNZDROJE, a.s., Jind icha Plachty 535/16, 150 00 Praha five, Czech Republic r Department of Agricultural Machines, Faculty of Engineering, Czech University of Life Sciences Prague, Kam k129, 165 00 Prague-Suchdol, Czech Republic; [email protected] Correspondence: [email protected] (P.P.); [email protected] (V.F.); Tel.: +420-724-077-070 (P.P.); +420-608-369-481 (V.F.)Citation: Kahuda, D.; Pech, P.; Ficaj, V.; Pechov H. Well Rehabilitation via the Ultrasonic Method and Evaluation of Its Effectiveness from the Pumping Test. Coatings 2021, 11, 1250. https://doi.org/10.3390/ coatings11101250 Academic Editor: Alexandru Enesca Received: 10 September 2021 Accepted: 12 October 2021 Published: 14 OctoberAbstract: The exploitation of groundwater reserves, specially for drinking purposes, is becoming increasingly essential. This reality has designed the should retain wells inside the very best doable functional situation. Having said that, wells are subject to an ageing course of action in the course of intensive use, which entails a rise in up-to-date resistances in the effectively itself and its quick surroundings (the skin zone). This causes a lower within the efficiency from the nicely (a reduce within the pumped quantity, a reduce in the specific yield, an increase with the drawdown in the well, and creation in the skin zone). The elevated hydraulic gradient within the skin zone causes an increase inside the inflow rate for the effectively, thereby inducing the movement of fine material towards the casing. This material can clog the nicely casing and injection ports, which is compounded by a rise in chemical and biological plugging from the skin zone. In cooperation using the firm SONIC Technologies, GmbH. (Sa.