| 河流复氧数值模拟研究 |
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| 引用本文： | 方祥位,申春妮,陈正汉,陈刚,李建中.河流复氧数值模拟研究[J].水利与建筑工程学报,2003,1(4):24-27. |
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| 作者姓名： | 方祥位 申春妮 陈正汉 陈刚 李建中 |
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| 作者单位： | 1. 后勤工程学院,重庆,400041
2. 西安理工大学,水利水电学院,陕西,西安,710048 |
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| 基金项目： | 后勤工程学院青年基金项目(42412154) |
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| 摘 要： | 本文建立了适体坐标系下的河流三维复氧数学模型。流场求解采用SIMPLEC算法,浓度场的计算采用"非耦合解"算法。用该模型对明槽复氧试验资料进行了计算对比,结果吻合良好。并对一"S"形河段的复氧进行了计算预测,定性上是合理的。
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| 关 键 词： | 复氧 紊流模型 数值模拟 浓度场 |
| 文章编号： | 1672-1144(2003)04-0024-04 |
| 修稿时间： | 2003年8月22日 |
Research on Numerical Simulation of Reaeration in Rivers |
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| Abstract: | A three-dimensional numerical model is developed to simulate reaeration in rivers using a body-fitted coordinate system .The velocity and oxygen concentration are calculated separately in the model, which is called 'no pairing resolution'.The velocity is calculated by SIMPLEC algorithm in the body-fitted coordinate system .The present model is applied to the reaeration experiment in an open channel.The computed results agree with the previous experimental values .The model is also used to predict the reaeration in a "S"-shaped channel, and the numerical results are reasonable. |
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| Keywords: | reaeration turbulent model numerical simulation concentration field |
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