| 河道扩散器排放近区稀释度研究 |
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| 引用本文： | 王超,吴东敏.河道扩散器排放近区稀释度研究[J].水科学进展,1993,4(4):309-315. |
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| 作者姓名： | 王超 吴东敏 |
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| 作者单位： | 河海大学环境工程系 南京 210024 |
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| 摘 要： | 稀释度是扩散器排放近区最重要的特性参数.本文借助试验研究的成果,分析河道扩散器排放近区流态特性.运用连续方程、动量和动能守恒原理,推导出回流型流动、无回流型流动及分层流流动三种流态情况下近区稀释度的计算公式.通过试验资料验证计算成果,计算值与实测值吻合较好.
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| 关 键 词： | 稀释度 回流型流动 无回流型流动 分层流流动 |
| 收稿时间： | 1992-10-31 |
Calculation Formulas of Nearfield Dilution for River Multiport Diffusers |
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| Wang Chao,Wu Dongming.Calculation Formulas of Nearfield Dilution for River Multiport Diffusers[J].Advances in Water Science,1993,4(4):309-315. |
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| Authors: | Wang Chao Wu Dongming |
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| Institution: | Dept. of Environmental Engineering, Hohai University |
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| Abstract: | The most important parameter is usually the degree of dilution in river multiport diffusers discharge. Numerical simulation and laboratory experiments are used to predict the flow characteristics of river diffusers. Continuity equation, momentum equation and Bernoulli's equation are applied to develop the calculation formulas for the degree of nearfield dilution in the recirculated flow, the non-recirculated flow
and the stratified flow. The results of calculation are in good agreement with laboratory experiments. |
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| Keywords: | dilution recirculated flow non-recirculated flow stratified flow |
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