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Tarandeep S. Kalra, Xiangyu Li, John C. Warner, Wayne R. Geyer and Hui Wu
The numerical simulation of estuarine dynamics requires accurate prediction for the transport of tracers, such as temperature and salinity. During the simulation of these processes, all the numerical models introduce two kinds of tracer mixing: (1) by pa...
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Zhe Wang, Weisheng Xu, Qing Xu, Yangming Wang and Yingna Zhu
To investigate the mechanism of reinforcing soft soil with cement-mixing pile, based on ABAQUS secondary development, a numerical simulation study of the hydration reaction of cement-mixing piles was conducted. In this study, the influence of ground temp...
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Xinyue Yang, Xianglai Zeng, Carlo Gualtieri, Alan Cuthbertson, Ruo-Qian Wang and Dongdong Shao
With the rapid development of commercial aquaculture in recent decades, large numbers of submerged cages or pens are clustered in fish farms that are commonly located within inland lakes, reservoirs, and coastal embayments around the world. The submerged...
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Seyed Ahmad Reza Saeidi Hosseini, Abdolmajid Mohammadian, Philip J. W. Roberts and Ozeair Abessi
Wastewaters are commonly discharged into the seas and oceans through multiport diffusers. Accurate prediction of the complex interactions of multiport diffusers with the receiving water bodies is significant for the optimal design of outfall systems and ...
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Intarat Naruemon, Long Liu, Dai Liu, Xiuzhen Ma and Keiya Nishida
In diesel engines, fuel mixing is an important process in determining the combustion efficiency and emissions level. One of the measures used to achieve fuel mixing is controlling the nature and behavior of the fuel spray by shaping the injection rate. T...
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Patrick Haertel
Most weather and climate models simulate circulations by numerically approximating a complex system of partial differential equations that describe fluid flow. These models also typically use one of a few standard methods to parameterize the effects of s...
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Xiaohui Yan, Abdolmajid Mohammadian and Xin Chen
In some outfall systems, wastewaters are discharged into ambient water bodies using rosette-type diffusers in the form of multiple buoyant jets, and it is essential to simulate their mixing characteristics for practical applications and optimal design pu...
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Khalida Bekrentchir, Abdelkader Debab
Pág. 210 - 217
In this work, the mixing performance in a batch torus reactor was investigated using computational fluid dynamics (CFD). To validate the numerical model, the CFD results for the mean bulk velocity and power number were compared with the experimental data...
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Mustafa Samad and Karim El-Kheiashy
Liquid Natural Gas (LNG) processing facilities typically are located on ocean shores for easy transport of LNG by marine vessels. These plants use large quantities of water for various process streams. The combined wastewater effluents from the LNG plant...
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Hector Barrios-Piña, Hermilo Ramírez-León, Clemente Rodríguez-Cuevas and Carlos Couder-Castañeda
This work focuses on the effects of vegetation on a fluid flow pattern. In this numerical research, we verify the applicability of a simpler turbulence model than the commonly used k-e model to predict the mean flow through vegetation. The novel characte...
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Hector Barrios-Piña, Hermilo Ramírez-León, Clemente Rodríguez-Cuevas and Carlos Couder-Castañeda
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M. M. Beliaiev,I. Ye. Melnyk
Pág. 30 - 33
A 2-D computer model has been developed to simulate a dissolution process in a mixing chamber. The model is based on the gradient transport model and potential flow model numerical integration. Results of numerical experiments are presented.
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Lihan Hu, Jin Xu, Lingling Wang and Hai Zhu
To simulate the dynamical structures of stratified shear flows, the high-resolution Total Variation Diminishing (TVD) method is necessary and widely-used due to its high-order spatial accuracy, oscillation control, and ability to capture the well-defined...
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Kai Liu, Xuyu Liu, Lijuan Wu, Xingkai Zhang, Baocheng Shi and Lixing Zheng
The rotary energy recovery device (RERD) is integral in reducing energy consumption in desalination processes. The absence of a physical piston in RERD ducts allows salinity transfer from the brine to the seawater stream, which reduces RERD efficiency. T...
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Mohammad Nabi Allahdadi, Chunyan Li and Nazanin Chaichitehrani
Studying mixing and re-stratification during and after hurricanes have important implications for the simulation of circulation and bio-geochemical processes in oceanic and shelf waters. Numerical experiments using FVCOM on an unstructured computational ...
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Yi Han, Chibing Shen, Zhaobo Du and Haoran Tang
In the scramjet engine, the injection and mixing of fuel are the basis for organizing efficient combustion. The shock wave/jet shear layer interaction is one of the methods used to enhance fuel mixing in supersonic flow. In this research, the effect of t...
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Armen Ter-Martirosyan, Vitalii Sidorov and Evgeny Sobolev
This research investigates the mechanical properties of soil-cement specimens ranging from ultrasmall to large values of shear strain at dynamic loading. The nonlinear behavior of soil cement exposed to dynamic loading in a wide range of changing shear s...
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Eldwin Djajadiwinata, Shereef Sadek, Shaker Alaqel, Jamel Orfi and Hany Al-Ansary
This paper studies the pressure variation that exists on the converging mixing section wall of a supersonic ejector for refrigeration application. The objective is to show that the ejector one-dimensional model can be improved by considering this wall?s ...
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Ruoyu Wang, Xianjun Yu, Ke Zhao, Baojie Liu and Guangfeng An
The variable area bypass injector (VABI) plays a crucial role in variable cycle engines by regulating the flow mixing process in complex bypass ducts, and low-dimensional theoretical models are the key to revealing its working mechanism while estimating ...
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M. Anil Kizilaslan, Ender Demirel and Mustafa M. Aral
Three-dimensional numerical simulations are performed to evaluate the effect of porous baffles on the efficiency of water treatment contact tanks. A second-order accurate numerical model is employed for the solutions of unsteady flow and tracer transport...
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