Spatial Mapping of OH Radicals Produced by Electric Discharge in Hydrodynamic Cavitation Cloud

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F26%3A0201059" target="_blank" >RIV/00216305:26210/26:0201059 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/67985939:_____/25:00637223 RIV/00216224:14310/25:00144368

Výsledek na webu

<a href="https://pubs-acs-org.ezproxy.lib.vutbr.cz/doi/full/10.1021/acs.jpclett.5c00979" target="_blank" >https://pubs-acs-org.ezproxy.lib.vutbr.cz/doi/full/10.1021/acs.jpclett.5c00979</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1021/acs.jpclett.5c00979" target="_blank" >10.1021/acs.jpclett.5c00979</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Spatial Mapping of OH Radicals Produced by Electric Discharge in Hydrodynamic Cavitation Cloud

Popis výsledku v původním jazyce

As strong oxidizers, OH radicals are crucial for water treatment applications involving plasma-liquid interactions. Hydrodynamic cavitation-based systems show promise for disinfection and micropollutant removal at flow rates of several m3/h. Knowledge of the spatial distribution of OH is limited. However, this is vital for enhancing system efficiency. This study maps the spatial distribution of OH generated by electric discharge in a hydrodynamic cavitation cloud. Using Luminol as a chemiluminescent probe, the study addresses challenges related to probe stability and luminescence lifetime in a dynamic cavitation environment. Luminescence decay time was assessed with a fast-frame camera, and spatial mapping was conducted by using an ICCD camera with an optical filter. Strong emission was observed at the collapsing end of the cavitation cloud and within the discharge channel, indicating the production and transport of OH into the liquid.

Název v anglickém jazyce

Spatial Mapping of OH Radicals Produced by Electric Discharge in Hydrodynamic Cavitation Cloud

Popis výsledku anglicky

As strong oxidizers, OH radicals are crucial for water treatment applications involving plasma-liquid interactions. Hydrodynamic cavitation-based systems show promise for disinfection and micropollutant removal at flow rates of several m3/h. Knowledge of the spatial distribution of OH is limited. However, this is vital for enhancing system efficiency. This study maps the spatial distribution of OH generated by electric discharge in a hydrodynamic cavitation cloud. Using Luminol as a chemiluminescent probe, the study addresses challenges related to probe stability and luminescence lifetime in a dynamic cavitation environment. Luminescence decay time was assessed with a fast-frame camera, and spatial mapping was conducted by using an ICCD camera with an optical filter. Strong emission was observed at the collapsing end of the cavitation cloud and within the discharge channel, indicating the production and transport of OH into the liquid.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10301 - Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)

Projekt

<a href="/cs/project/GA22-11456S" target="_blank" >GA22-11456S: Výzkum fundamentálních interakcí hydrodynamické kavitace a nízkoteplotního plazmatu ke zvýšení dezinfekčních účinků</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Physical Chemistry Letters

ISSN

1948-7185

e-ISSN

—

Svazek periodika

16

Číslo periodika v rámci svazku

25

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

7

Strana od-do

6279-6285

Kód UT WoS článku

001508738100001

EID výsledku v databázi Scopus

2-s2.0-105008388685