溢洪道泄洪加气复氧特性研究进展

2011 International Conference on Remote Sensing, Environment and Transportation Engineering Pub Date : 2011-06-24 DOI:10.1109/RSETE.2011.5964206

Xian-wei Cao, Zegao Yin, Dong-sheng Cheng, Le Wang, Yong He

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引用次数: 0

摘要

曝气复氧是溢洪道排放溶解氧的重要来源。由于强烈的湍流，大量的气泡被带入水中，导致溶解气体浓度过饱和，导致鱼类的气泡病。首先，基于水-气界面传质理论和气泡界面传质理论，分析了溢洪道泄洪道充氧复氧的理论。其次，讨论了溶解氧对流扩散方程及参数选择方法。最后，分析了目前研究的进展和不足。

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The review of aeration and reoxygenation behavioral characteristics for spillway discharge

Aeration and reoxygenation is the significant source of the dissolved oxygen for spillway discharge. Due to the strong turbulence, large numbers of bubbles are entrained into the water, which causes the supersaturation of dissolved gas concentration and leads to bubble disease of fish. Firstly, the theory of the aeration and reoxygenation for spillway discharge is analyzed base on the mass transfer theory of water-air interface and the bubble interface. Secondly, the convection and diffusion equation of dissolved oxygen and the method of parameter selection are discussed. Finally, the progress and shortage of the present study are analyzed.

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2011 International Conference on Remote Sensing, Environment and Transportation Engineering

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