Experimental investigation of oxygen transfer efficiency in hydraulic jumps, plunging jets, and plunging breaking waves | Zendy

Ashabul Hoque | Zendy; Anip Kumar Paul | Zendy

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Experimental investigation of oxygen transfer efficiency in hydraulic jumps, plunging jets, and plunging breaking waves

Author(s) -

Ashabul Hoque,

Anip Kumar Paul

Publication year - 2022

Publication title -

water science and technology water supply

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 39

eISSN - 1607-0798

pISSN - 1606-9749

DOI - 10.2166/ws.2022.052

Subject(s) - breaking wave , mechanics , air entrainment , hydraulic jump , aeration , entrainment (biomusicology) , dissipation , hydraulics , jet (fluid) , penetration (warfare) , physics , environmental science , thermodynamics , flow (mathematics) , chemistry , engineering , optics , wave propagation , acoustics , operations research , rhythm , organic chemistry

The scope of the paper is to analyse the different similarities of air entrainment among the hydraulic jumps, plunging jets, and plunging breaking waves and to discuss current practices. The measured data are reexamined and scrutinised to investigate the gas exchange phenomena through an air-water interface. In particular, oxygen transfer efficiency and penetration depth by air bubbles are discussed. The calculated results highlight that the oxygen transfer efficiency is decreased with the increase of energy dissipation rate both in plunging jets and breaking waves. In contrast, it is shifted almost parallel in the case of hydraulic jumps. In addition, the aeration lengths in the hydraulic jumps and penetration depths both in plunging jets and plunging breaking waves were dependent on the jet impact velocity.

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