Model test based study on icing process of long-distance water channel operating at low temperature environment

IF 1.7 3区工程技术 Q3 ENGINEERING, CIVIL

Journal of Hydraulic Research Pub Date : 2023-05-04 DOI:10.1080/00221686.2023.2218313

Yuguo Wang, Wenyuan Ren, Hongtai Liu, Ruishan Jin, Zhichao Liang, Lisi Niu, A. Zhang

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引用次数: 0

Abstract

The icing problem seriously affects the efficiency of channel water delivery in low temperature conditions. A low-temperature and long-distance channel model test platform was established to study the icing process. Through this model test platform, water temperature and formation of ice cover were tested and discussed. Furthermore, the relationship between border ice width and its influencing factors were studied quantitatively. The test results show that through the recirculating flume at a negative temperature environment, the model test platform can simulate the icing process under a long-distance water delivery situation. The water temperature decreases with the increase of delivery distance and operating time. The formation of ice cover begins from the growth of border ice; however, the static formation of ice cover is rapid, but the dynamic formation of ice cover shows an obvious process of border ice lateral growth. An equation for border ice width and ice concentration was established for prediction.

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基于模型试验的低温条件下长距离水道结冰过程研究

结冰问题严重影响低温条件下渠道输水的效率。为研究结冰过程，建立了低温长距离航道模型试验平台。通过该模型试验平台，对水温和冰盖的形成进行了测试和讨论。此外，还定量研究了边界冰宽度与其影响因素之间的关系。试验结果表明，通过负温环境下的循环水槽，该模型试验平台可以模拟长距离输水情况下的结冰过程。水温随输送距离和操作时间的增加而降低。冰盖的形成始于边界冰的生长；然而，冰盖的静态形成是快速的，而冰盖的动态形成表现出明显的边界冰横向生长过程。建立了边界冰宽度和冰浓度的预测方程。

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来源期刊

Journal of Hydraulic Research 工程技术-工程：土木

CiteScore

4.90

自引率

4.30%

发文量

审稿时长

6.6 months

期刊介绍： The Journal of Hydraulic Research (JHR) is the flagship journal of the International Association for Hydro-Environment Engineering and Research (IAHR). It publishes research papers in theoretical, experimental and computational hydraulics and fluid mechanics, particularly relating to rivers, lakes, estuaries, coasts, constructed waterways, and some internal flows such as pipe flows. To reflect current tendencies in water research, outcomes of interdisciplinary hydro-environment studies with a strong fluid mechanical component are especially invited. Although the preference is given to the fundamental issues, the papers focusing on important unconventional or emerging applications of broad interest are also welcome.