三峽水庫(kù)香溪河庫(kù)灣水溫結(jié)構(gòu)及其對(duì)水動(dòng)力影響的數(shù)值模擬
[Abstract]:Using Delft3D numerical simulation software, a three-dimensional hydrodynamic-water temperature coupling mathematical model under z coordinate system of Xiangxi River reservoir bay in the three Gorges Reservoir is established. According to the measured data in 2009, the vertical and horizontal temperature distribution characteristics of the reservoir bay in each month are analyzed by numerical simulation, and the influence of water temperature structure on the hydrodynamic force of the reservoir bay is studied. The results show that there is a weak stratification phenomenon in the vertical water temperature in the upper reaches of Xiangxi River during the dry season. However, in April to May and flood season (June to August), the water body of Kuwan maintained stable stratification in the range of 18~30km from estuary, but only in the bottom of reservoir bay during storage period (September to October) and dry season (November to February of the following year). The evolution process of stratified abnormal flow in Xiangxi River Kuwan and estuary in the whole year was given. The results can provide a reference for the protection of aquatic ecological environment in Xiangxi River Kuwan.
【作者單位】: 河海大學(xué)水文水資源與水利工程科學(xué)國(guó)家重點(diǎn)實(shí)驗(yàn)室;河海大學(xué)水利水電學(xué)院;
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目(51479058)
【分類號(hào)】:TV697.21
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