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Challenges of numerical simulations of cavitation reactors for water treatment - an example of flow simulation inside a cavitating microchannel
Pipp, Peter (Author), Hočevar, Marko (Author), Dular, Matevž (Author)

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Abstract
The research on the potential of cavitation exploitation is currently an extremely interesting topic. To reduce the costs and time of the cavitation reactor optimization, nowadays, experimental optimization is supplemented and even replaced using computational fluid dynamics (CFD). This is a very inviting opportunity for many developers, yet we find that all too often researchers with non-engineering background treat this "new" tool too simplistic, what leads to many misinterpretations and consequent poor engineering. The present paper serves as an example of how complex the flow features, even in the very simplest geometry, can be, and how much effort needs to be put into details of numerical simulation to set a good starting point for further optimization of cavitation reactors. Finally, it provides guidelines for the researchers, who are not experts in computational fluid dynamics, to obtain reliable and repeatable results of cavitation simulations.

Language:English
Keywords:cavitation, computational fluid dynamics, numerical simulation, venturi, microchannel
Work type:Article (dk_c)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2021
Number of pages:Str. 1-10
Numbering:Vol. 77, art. 105663
UDC:532.528:519.6:004.942
ISSN on article:1350-4177
DOI:10.1016/j.ultsonch.2021.105663 This link opens in a new window
COBISS.SI-ID:70757891 This link opens in a new window
Views:113
Downloads:33
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Record is a part of a journal

Title:Ultrasonics Sonochemistry
Shortened title:Ultrason. sonochem.
Publisher:Butterworth-Heinemann, Elsevier Science
ISSN:1350-4177
COBISS.SI-ID:707668 This link opens in a new window

Document is financed by a project

Funder:EC - European Commission
Funding Programme:H2020
Project no.:771567
Name:An investigation of the mechanisms at the interaction between cavitation bubbles and contaminants
Acronym:CABUM

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:L4-9325
Name:Razvoj novih, okolju prijaznih, pristopov za inaktivacijo rastlinskih in humanih virusov v vodah

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P2-0401
Name:Energetsko strojništvo

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:08.07.2021

Secondary language

Language:Slovenian
Keywords:kavitacija, računska dinamika fluidov, numerična simulacija, venturijeve cevi, mikrokanal

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