Numerical modeling of two phase flow (water-air) after air injection into the water | Modeliranje dvofaznog strujanja (vode i vazduha) nakon utiskivanja vazduha u vodu
2009
Jacimovic, N., Gradjevinski fakultet, Beograd (Serbia) | Hosoda, T., Kyoto University, Kyota (Japan) | Ivetic, M., Gradjevinski fakultet, Beograd (Serbia)
One of the available lake restoration technologies is injection of compressed air or oxygen into a hypolimnion, promoting vertical mixing of water and dissolution of oxygen. A numerical model has been developed for simulation of bubble flow, with consideration of gas compressibility and oxygen dissolution. Developed model is intended to be utilized for simulation of lakes DO recovery. Model is firstly verified by simulation of bubble flow experiments, reported in the literature, where very good quantitative and qualitative agreement between measured and simulated results is observed. Both flow configurations are tested: in which steady state is achieved, and where steady conditions can not develop. In the second part, model is applied for simulation of conducted experiments where oxygen dissolution has been considered. The paper presents simulation results, where good agreement of simulated and measured quantities is observed.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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