Parcourir par sujet "Computational fluid dynamics"
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Film Boiling Conjugate Heat Transfer during Immersion Quenching
(2022)Boiling conjugate heat transfer is an active field of research encountered in several industries, including metallurgy, power generation and electronics. This paper presents a computational fluid dynamics approach capable ... -
Fumigation Monitoring and Modeling of Hopper-Bottom Railcars Loaded with Corn Grits
(2022)Introduction: Bulk railcars are a common method of moving commodities in the USA. Allowances are given for the practice of treating railcars with fumigates during transit because the routes are limited access and not on ... -
Greenhouse microclimate and dehumidification effectiveness under different ventilator configurations
(2007)In this paper, the efficiency of two different greenhouse ventilation opening configurations on greenhouse microclimate during dehumidification process with simultaneously heating and ventilation was analysed by means of ... -
Hemodynamic profile of two aortic endografts accounting for their postimplantation position
(2017)Endovascular aneurysm repair (EVAR) is a clinically effective technique for treating anatomically eligible abdominal aortic aneurysms (AAAs), involving the deployment of an endograft (EG) that is designed to prevent blood ... -
In-stent graft helical flow intensity reduces the risk of migration after endovascular aortic repair
(2019)During the last years endovascular aneurysm repair (EVAR) became the elective treatment for abdominal aortic aneurysms (AAAs) thanks to lower mortality and morbidity rates than open surgery. In face of these advantages, ... -
Interface modelling between CFD and FEM analysis: The dual-layer post-processing model
(2017)Purpose: The primary purpose of this paper is the development of a fire-structure interface (FSI) model, which is referred in this study as a simplified "dual-layer" model. It is oriented for design purposes, in the cases ... -
Lattice kinetic schemes in fusion plasmas
(2008)Lattice Boltzmann Methods (LBM) are an established alternative approach for numerical simulations of a large spectrum of physical processes. They are based on a mesoscopic analysis of the underlying physics through a ... -
Magnetohydrodynamic natural convection in a vertical cylindrical cavity with sinusoidal upper wall temperature
(2009)A series of numerical simulations were performed in order to study liquid metal MHD natural convection in a vertical cylindrical container with a sinusoidal temperature distribution at the upper wall and the other surfaces ... -
Measurements and simulation of microclimatic effects of a horizontal hydroponic pergola
(2015)The microclimate model ENVI-met (V4) was used for predicting the effects of different systems of planted pergolas on the microclimate of an atrium. The model was firstly validated using experimental data and then used for ... -
MHD liquid metal flow and heat transfer between vertical coaxial cylinders under horizontal magnetic field
(2017)Direct numerical simulations are presented of MHD liquid metal flow and heat transfer in vertical annuli. Three annular gaps and four ratios of annular height to annular gap are considered. The walls of the external and ... -
Micromixing efficiency of particles in heavy metal removal processes under various inlet conditions
(2019)Water quality problems are a persistent global issue since population growth has continually stressed hydrological resources. Heavy metals released into the environment from plating plants, mining, and alloy manufacturing ... -
Mixed convection of a low Prandtl fluid with spatially periodic lower wall heating in the presence of a wall-normal magnetic field
(2014)Numerical simulations of the combined natural and forced convection flow in a horizontal channel have been carried out for a fluid of low Prandtl number in the presence of a uniform wall-normal magnetic field. The upper ... -
Modeling the distribution of phosphine and insect mortality in cylindrical grain silos with Computational Fluid Dynamics: Validation with field trials
(2020)In the present work, the distribution of phosphine gas in six metal silos with wheat was modelled and compared with available distribution data from phosphine sensors. During the fumigation, a recirculation system was used ... -
Numerical and experimental assessment of the airflow field and ventilation rates in a naturally ventilated free cubical cattle house with large openings
(2013)An efficient natural ventilation system in dairy cattle buildings is essential both for animal welfare and for environmental issues since the naturally ventilated livestock buildings are a major source of greenhouse gas ... -
A numerical model for aggregations formation and magnetic driving of spherical particles based on OpenFOAM®
(2017)Background and objective This work presents a numerical model for the formation of particle aggregations under the influence of a permanent constant magnetic field and their driving process under a gradient magnetic field, ... -
Numerical modelling of rotating tangential layers (jets) in shells under strong uniform magnetic field
(2010)A numerical study of tangential layers in steady-state magnetohydrodynamic rotating flows is presented using CFD to solve the inductionless governing equations. The analysis considers two basic flow configurations. In the ... -
Numerical simulation of the airflow and temperature patterns in a greenhouse equipped with insect-proof screen in the openings
(2002)An analysis of the ventilation process in a tunnel greenhouse equipped with an insect-proof screen in the side openings was performed with the use of a commercial computational fluid dynamics (CFD) package (CFD2000®). The ... -
A Numerical Study of Developing Buoyancy-Assisted Mixed Convection with Spatially Periodic Wall Heating
(2017)The validity of a parabolic model for simulating the developing buoyancy-assisted mixed convection flow in a vertical channel with spatially periodic wall temperature is verified by a full elliptic model of the momentum ... -
Numerical study of mechanically ventilated broiler house equipped with evaporative pads
(2018)One of the important factors to improve the broiler production is the provision of an optimum indoor environment (air quality, temperature, humidity, air velocity, gases and PMs concentration) with lower possible cost. The ... -
On the enhancement of particle deposition in turbulent channel airflow by a ribbed wall
(2017)The particle deposition at a vertical wall roughened by transverse square bars placed at a small spacing between them is investigated using large-eddy simulation of the turbulent flow in a ribbed channel with the gravity ...