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Optimal control of reservoir release temperature through selective withdrawal intake at hydropower dam

机译：水电站大坝通过选择性取水进水口的最优控制温度。

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摘要

This study is motivated by the need to understand the temperature dynamics and warm-water temperature withdrawal. This study also recognizes the need for an environmental assessment of the proposed temperature control schemes at New Fengman Dam. An unsteady three-dimensional (3D) non-hydrostatic model is used in the present study to predict the hydrodynamics and thermal dynamics in the forebay and intakes of the NewFengman Dam. The numerical model is validated using hydrodynamic data collected from a 1:120 entire physical model and 1:30 local model in the present paper. The numerical and experimental results indicate that the Stop Log Gate has no effect on warm-water withdrawal. After dam reconstruction, the reservoir release temperatures can be increased from 4.0 W degrees C to 6.0 W degrees C to improve the habitat of native fishes. The cancellation of the Stop Log Gate program is recommended; the old dam meets the performance objectives for temperature increase.
机译：这项研究的动机是需要了解温度动态和温水抽出量。这项研究还认识到有必要对新丰满水坝拟议的温度控制方案进行环境评估。本研究使用非稳态三维（3D）非静水模型来预测NewFengman大坝前湾和进水口的水动力和热动力。本文使用从1：120的整体物理模型和1:30的局部模型收集的流体动力学数据验证了数值模型。数值和实验结果表明，Stop Log Gate对温水抽取没有影响。大坝改造后，水库释放温度可以从4.0 W摄氏度提高到6.0 W摄氏度，以改善本地鱼类的栖息地。建议取消停止日志门程序；旧水坝满足了温度升高的性能目标。

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  • 来源
    《Water science & technology》 |2017年第2期|279-299|共21页
  • 作者

    Zheng Tiegang; Sun Shuangke; Liu Haitao; Xia Qingfu; Zong Quanli;

  • 作者单位

    China Inst Water Resources & Hydropower Res, Sate Key Lab Simulat & Regulat Water Cycle River, Beijing 10038, Peoples R China;

    China Inst Water Resources & Hydropower Res, Sate Key Lab Simulat & Regulat Water Cycle River, Beijing 10038, Peoples R China;

    China Inst Water Resources & Hydropower Res, Sate Key Lab Simulat & Regulat Water Cycle River, Beijing 10038, Peoples R China;

    China Inst Water Resources & Hydropower Res, Sate Key Lab Simulat & Regulat Water Cycle River, Beijing 10038, Peoples R China;

    Shihezi Univ, Coll Water Conservancy & Architectural Engn, Shihezi 832000, Peoples R China;

  • 收录信息 美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    dam; selective withdrawal; temperature dynamics; thermal model; thermal stratification;

    机译：大坝;选择性回撤;温度动力学;热模型;热分层;

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