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Seung Oh Lee and Seung Ho Hong
Bridge pier scour is one of the main causes of bridge failure and a major factor that contributes to the total construction and maintenance costs of bridge. Recently, because of unexpected high water during extreme hydrologic events, the resilience and s...
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Mario Hurtado-Herrera, Wei Zhang, Abdelkader Hammouti, Damien Pham Van Bang and Kim Dan Nguyen
A three-dimensional large eddy simulation model is used to simulate the turbulent flow dynamics around a circular pier in live-bed and clear-water scour conditions. The Navier?Stokes equations are transformed into a ??
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Shuang Sun, Jinhui Kang, Zhijun Lei, Zhen Huang, Haixv Si and Xiaolong Wan
The horseshoe vortex system at the leading edge of a low-pressure turbine (LPT) has unsteady flow characteristics, and the flow field in the downstream cascade channel also has unsteady characteristics. In this study, CFD simulations are performed with t...
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Jian Liu, Mengyao Xu and Wenxiong Xi
To protect turbine endwall from heat damage of hot exhaust gas, film cooling is the most significant method. The complex vortex structures on the endwall, such as the development of horseshoe vortices and transverse flow, affects cooling coverage on the ...
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Souha Ajmi, Martial Boutet, Anne-Claire Bennis, Jean-Claude Dauvin and Jean-Philippe Pezy
Offshore Wind Farm (OWF) foundations are considered to have a potential impact on the larval dispersion of benthic species. This study focused on OWFs? impacts on larval dispersion, considering factors such as the foundation type, flow velocity, flow dir...
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Nasser Heydari and Panayiotis Diplas
The present work investigates turbulent flow structures and behavior near the leading edge of a longitudinal flow obstruction in an open channel with an inclined bank. A volumetric particle image velocimetry (VPIV) was employed to collect velocity data. ...
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Chun-Yao Yang and Yi-Chih Chow
Juncture flows associated with surface-mounted obstacles can be characterized by a U-shaped tubular vortical flow known as a horseshoe vortex (HSV). Horseshoe vortices are usually detrimental to engineering applications. In order to identify a boundary g...
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Giovanna Barigozzi, Hamed Abdeh, Samaneh Rouina and Nicoletta Franchina
Design of cooling systems for rotor platforms is critical due to the complex flow field and heat transfer phenomena related to the secondary flow structures originating at the blade leading edge. Horseshoe vortex and passage vortex are the fluid-dynamic ...
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Long Wang, Huawei Lu, Zhitao Tian, Yi Yang, Shuang Guo, Hong Wang and Xiaozhi Kong
The influence of the ratio of dimple depth-to-print diameter (λ" role="presentation">???
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) on the highly loaded compressor cascade NACA0065-K48 is investigated based on the Reynolds-averaged Navier?Stokes (RANS) method. Simulations are conduc...
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Ruigeng Hu, Hongjun Liu, Hao Leng, Peng Yu and Xiuhai Wang
A series of numerical simulation were conducted to study the local scour around umbrella suction anchor foundation (USAF) under random waves. In this study, the validation was carried out firstly to verify the accuracy of the present model. Furthermore, ...
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