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[130280] Artykuł:

Numerical Modeling of the Behavior of Bubble Clusters in Cavitation Processes

Czasopismo: Energies   Tom: 17(7), Strony: 1741
ISSN:  1996-1073
Opublikowano: 2024
Liczba arkuszy wydawniczych:  1.00
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Do oświadczenia
nr 3		 Grupa
przynależności		 Dyscyplina
naukowa		 Procent
udziału		 Liczba
punktów
do oceny pracownika		 Liczba
punktów wg
kryteriów ewaluacji
Anatoliy Pavlenko orcid logo WiŚGiEKatedra Fizyki Budowli i Energii Odnawialnej*Takzaliczony do "N"Inżynieria środowiska, górnictwo i energetyka100140.00140.00  

Grupa MNiSW:  Publikacja w czasopismach wymienionych w wykazie ministra MNiSzW (część A)
Punkty MNiSW: 140

Pełny tekstPełny tekst     DOI LogoDOI    
Słowa kluczowe:

cavitation bubble  impact pressure  bubble dynamics  bubble model  mass transfer  phase transitions 

Keywords:

cavitation bubble  impact pressure  bubble dynamics  bubble model  mass transfer  phase transitions 


Streszczenie:

To study the behavior of a bubble clusters in cavitation devices, a numerical study of the
dynamics of bubbles in a compressible liquid was performed, taking into account interfacial heat
and mass transfer. The influence of regime and system parameters on the intensity of cavitation
processes is considered. Physical and chemical transformations during the cavitation treatment of
liquids are caused not only by the action of shock waves and emitted pressure pulses but also by
extreme thermal effects. At the stage of extreme compression of the bubble, the vapor inside the
bubble and the liquid in its vicinity transform into the state of a supercritical fluid. The presented
model analyzes the nature of microflows in the interbubble space and carries out a quantitative
calculation of the local values of the parameters of the velocity and pressure fields.



Abstract:

To study the behavior of a bubble clusters in cavitation devices, a numerical study of the
dynamics of bubbles in a compressible liquid was performed, taking into account interfacial heat
and mass transfer. The influence of regime and system parameters on the intensity of cavitation
processes is considered. Physical and chemical transformations during the cavitation treatment of
liquids are caused not only by the action of shock waves and emitted pressure pulses but also by
extreme thermal effects. At the stage of extreme compression of the bubble, the vapor inside the
bubble and the liquid in its vicinity transform into the state of a supercritical fluid. The presented
model analyzes the nature of microflows in the interbubble space and carries out a quantitative
calculation of the local values of the parameters of the velocity and pressure fields.


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