爱达荷州阿尔贝尼瀑布大坝水电运行的河冰模型

IF 1.1 4区 工程技术 Q3 ENGINEERING, CIVIL Canadian Journal of Civil Engineering Pub Date : 2023-08-17 DOI:10.1139/cjce-2023-0030
C. Engel, Jeremy Giovando, S. Daly
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引用次数: 0

摘要

本文提出了一种利用广泛使用的HEC-RAS水力模型定量评估受冰影响的水力对水电运行影响的方法。该模型被用于确定下游河流冰的增长减少了美国陆军工程兵团在爱达荷州彭德奥里耶河大坝净水头的历史时期。该模型被用于创建基于边界冰和连续两岸冰形成情景的预测阶段影响曲线。利用HEC-RAS的温度建模能力来预测河流上的结冰期,并通过岸基网络摄像头数据进行验证。这些结果提供了一个框架,可以应用于其他有水力发电的河流,特别是存在开放水域HEC-RAS模型的地点。
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River Ice Modeling for Hydropower Operations at Albeni Falls Dam, Idaho
This paper presents a method to quantitatively assess the impact of ice-affected hydraulics on hydropower operations using the widely used HEC-RAS hydraulic model. The model was used to identify historical periods where downstream river ice growth reduced the net head on a US Army Corps of Engineers dam on the Pend Oreille River in Idaho, USA. The model was used to create curves of projected stage impacts based on border ice and continuous bank-to-bank ice-formation scenarios. The temperature modelling capabilities in HEC-RAS were used to hindcast ice formation periods on the river which were validated with shore-based webcam data. These results provide a framework that can be applied to other rivers with hydropower generation, particularly sites where an open water HEC-RAS model exists.
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来源期刊
Canadian Journal of Civil Engineering
Canadian Journal of Civil Engineering 工程技术-工程:土木
CiteScore
3.00
自引率
7.10%
发文量
105
审稿时长
14 months
期刊介绍: The Canadian Journal of Civil Engineering is the official journal of the Canadian Society for Civil Engineering. It contains articles on environmental engineering, hydrotechnical engineering, structural engineering, construction engineering, engineering mechanics, engineering materials, and history of civil engineering. Contributors include recognized researchers and practitioners in industry, government, and academia. New developments in engineering design and construction are also featured.
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