A Review of Mass Transfer Model of Supersaturation Total Dissolved Gas Downstream at High Dam | Zendy

Dan Zhang | Zendy; Huixia Yang | Zendy; Caihong Liu | Zendy

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A Review of Mass Transfer Model of Supersaturation Total Dissolved Gas Downstream at High Dam

Author(s) -

Dan Zhang,

Huixia Yang,

Caihong Liu

Publication year - 2021

Publication title -

iop conference series earth and environmental science

Language(s) - English

Resource type - Journals

eISSN - 1755-1307

pISSN - 1755-1315

DOI - 10.1088/1755-1315/621/1/012130

Subject(s) - supersaturation , mass transfer coefficient , mass transfer , spillway , downstream (manufacturing) , bubble , water mass , environmental science , mechanics , chemistry , thermodynamics , geotechnical engineering , physics , geology , oceanography , economics , operations management

The total dissolved gas (TDG) supersaturation observed in a spillway that flows downstream various hydraulic structures has long been recognized as having a negative environmental effect on fish and aquatic organisms. This paper focuses on learning the mass transfer of supersaturation total dissolved gas downstream and the rule of mass transfer between air-water interfaces. Besides, the three main coefficients of mass transfer are concluded: the surface mass transfer coefficient, the bubble interface mass transfer coefficient, and the dissipation coefficient and relevant transport process model. These can provide a foundation to analyze the supersaturation of high dam in near future.

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