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Tomislav Sencic, Vedran Mrzljak, Paolo Blecich and Igor Bonefacic
A two-dimensional computational fluid dynamics (2D CFD) simulation of a low-speed two-stroke marine engine simulation was performed in order to investigate the performance of 2D meshes that allow the use of more complex chemical schemes and pollutant for...
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Santiago Laín, Jaime H. Lozano-Parada and Javier Guzmán
In this contribution, an unsteady numerical simulation of the flow in a microfluidic oscillator has been performed. The transient turbulent flow inside the device is described by the Unsteady Reynolds Averaged Navier?Stokes equations (URANS) coupled with...
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Yu Huang, Qianqian Lu, Wei Shao, Li Liu, Chuan Ding and Jian Ruan
Because the axial piston pump is often used in the aerospace and aviation fields, it is necessary to pay attention to its outlet pressure and flow characteristics. The parallel 2D piston pump proposed, based on the axial piston pump, has no structural fl...
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Songli Yu, Huichao Dai, Yanwei Zhai, Mengyang Liu and Wenxin Huai
Aquatic plants widely exist in rivers, which can affect the flow structure in rivers and have an important impact on the evolution of river morphology. The emerged vegetation is an important member of aquatic vegetation in the river, so studying the flow...
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Thomas Senfter, Manuel Berger, Markus Schweiberer, Serafin Knitel and Martin Pillei
Coanda effect screen structures are used to protect hydropower turbines in mountainous regions from impurities of different sizes. To save time during the design phase, computational fluid dynamics simulations (CFD) can support experimental investigation...
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Gregor Tavcar and Toma? Katra?nik
The PEM fuel cell model presented in this paper is based on modelling species transport and coupling electrochemical reactions to species transport in an innovative way. Species transport is modelled by obtaining a 2D analytic solution for species concen...
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Zhiming Han, Mitsuharu Terashima, Bing Liu and Hidenari Yasui
A modified spacer, which was constructed with arched filaments and zigzag filaments, was designed to improve vortex shedding and generate a directional change in flow patterns of membrane modules, especially in the vicinity of the feed spacer filament, w...
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Zhiming Han, Mitsuharu Terashima, Bing Liu and Hidenari Yasui
A modified spacer, which was constructed with arched filaments and zigzag filaments, was designed to improve vortex shedding and generate a directional change in flow patterns of membrane modules, especially in the vicinity of the feed spacer filament, w...
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Zhiming Han, Mitsuharu Terashima, Bing Liu and Hidenari Yasui
A modified spacer, which was constructed with arched filaments and zigzag filaments, was designed to improve vortex shedding and generate a directional change in flow patterns of membrane modules, especially in the vicinity of the feed spacer filament, w...
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Xiaoheng Liu, Ke Wan, Donghai Jin and Xingmin Gui
Gas turbine engines are highly intricate machines, and every component of them is closely associated with one another. In the traditional engine developing process, vast experiment tests are needed. To reduce unnecessary trials, a whole gas turbine engin...
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Ye Chen, Zhongxi Hou, Bingjie Zhu, Zheng Guo and Boting Xu
The performance of a single expansion ramp nozzle (SERN) drastically declines on over-expanded conditions. A numerical code can accurately predict nozzle performance in the over-expanded state, which is crucial for the SERN configuration design. A Reynol...
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Pham Ba Thao, Duong Cong Truyen and Nguyen Minh Phu
In this paper, a solar air collector duct equipped with baffles on a back plate was numerically investigated. The Reynolds number (Re) was varied from 5000 to 20,000, the angle baffle (a) from 30° to 120°, the baffle spacing ratio (Pr) from 2 to 8, and t...
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Chao Zhang and Matthew Janeway
Optimization methods have been widely applied to the aerodynamic design of gas turbine blades. While applying optimization to high-fidelity computational fluid dynamics (CFD) simulations has proven capable of improving engineering design performance, a c...
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Chengyu Huang, Wenhua Wang and Weizhong Li
A 2D computational fluid dynamics (CFD) model in consideration of nucleation characteristics (homogeneous/heterogeneous nucleation) using the volume of fluid (VOF) method and Lee model was proposed. The model was used to predict the process of a multipha...
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Weiwei Yao, Huaxian Liu, Yuansheng Chen, Wenyi Zhang, Yu Zhong, Haiyan Fan, Linkai Li and Sudeep Bamal
High flow generates significant alterations in downstream river reaches, resulting in physical condition changes in the downstream regions of the river such as water depth, flow velocity, water temperature and river bed. These alterations will lead to ch...
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Weiwei Yao, Huaxian Liu, Yuansheng Chen, Wenyi Zhang, Yu Zhong, Haiyan Fan, Linkai Li, Sudeep Bamal
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High flow generates significant alterations in downstream river reaches, resulting in physical condition changes in the downstream regions of the river such as water depth, flow velocity, water temperature and river bed. These alterations will lead to ch...
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Mario Cascetta, Fabio Serra, Simone Arena, Efisio Casti, Giorgio Cau and Pierpaolo Puddu
This paper presents the results of experimental and numerical research activities on a packed bed sensible thermal energy storage (TES) system. The TES consists of a cylindrical steel tank filled with small alumina beads and crossed by air used as the he...
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Shimin Wang, Zhigang Shen and Linxia Gu
A 2D unsteady computational fluid dynamics (CFD) model is employed to simulate buoyancy-driven turbulent ventilation in attics with different pitch values and ceiling insulation levels under summer conditions. The impacts of roof pitch and ceiling insula...
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