Enhanced performance of algal decomposition of electrolysis under cavitation

Kim, Sunuk; Ko, Han Seo; Shin, Dong Ho

doi:10.1016/j.jelechem.2022.116596

Journal of Electroanalytical Chemistry

2022

DOI: 10.1016/j.jelechem.2022.116596

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Enhanced performance of algal decomposition of electrolysis under cavitation

Sunuk Kim

Han Seo Ko

Dong Ho Shin

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2024

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Effect of working fluid temperature on flow characteristics of jet cavitation reactor

Gou,

Xiao,

Zou

et al. 2024

International Journal of Fluid Engineering

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The huge amount of energy generated by cavitation in liquids can be used to achieve more ecologically friendly and efficient removal of algae. Jet pumps readily induce cavitation owing to their tapering section structure and thus have the potential to be used as jet cavitation reactors (JCRs) to achieve hydrodynamic cavitation and algal removal under suitable pressure conditions. In this paper, we examine the cavitation characteristics of a JCR at different working fluid temperatures, using large eddy simulation. The vortex structure created by high-speed jets at the nozzle of the JCR is continuous and orderly, whereas the downstream vortex structure becomes chaotic and fragmented under the actions of flow mixing and bubble development. An increase in water temperature can reduce vorticity. As the water temperature rises, the cavitation number decreases, the total cavity volume increases, and cavitation changes from an unstable to a stable limit state. When cavitation is in its unstable limit state, the total bubble volume exhibits quasi-periodic changes and the cavitation cloud pulsates strongly, while when cavitation is in its stable limit state, cavitation cloud pulsation is seen only at the outlet.

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Effect of working fluid temperature on flow characteristics of jet cavitation reactor

Gou,

Xiao,

Zou

et al. 2024

International Journal of Fluid Engineering

View full text Add to dashboard Cite

show abstract

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Enhanced performance of algal decomposition of electrolysis under cavitation

Cited by 1 publication

References 22 publications

Effect of working fluid temperature on flow characteristics of jet cavitation reactor

Effect of working fluid temperature on flow characteristics of jet cavitation reactor

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