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Chong Yan, Yibing Xu, Ruizhe Cao and Ying Piao
The very large eddy simulation (VLES) method was investigated for supersonic reacting flows in the present work. The advantages and characteristics of the VLES model and the widely used improved delayed detached eddy simulation (IDDES) method were reveal...
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Simon Joßberger and Stefan Riedelbauch
Double-regulated Kaplan turbines with adjustable guide vanes and runner blades offer a high degree of flexibility and good efficiency for a wide range of operating points. However, this also leads to a complex geometry and flow guidance with, for example...
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Peng Wu, Gang Chen, Ruoqiang Feng and Fujiangshan He
Local wind pressures on tiny rods of complex grid structures are difficult to obtain through wind tunnel tests due to their small sizes after scaling down, resulting in a lack of data support in wind load calculations for similar structures. However, loc...
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Martin Gehrke and Thomas Rung
This technical paper outlines the predictive performance of a recently published dynamic cumulant lattice Boltzmann method (C-LBM) to model turbulent shear flows at all resolutions. Emphasis is given to a simple strategy that avoids a frequently observed...
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Luca Di Angelo, Francesco Duronio, Angelo De Vita and Andrea Di Mascio
In this paper, an efficient and robust Cartesian Mesh Generation with Local Refinement for an Immersed Boundary Approach is proposed, whose key feature is the capability of high Reynolds number simulations by the use of wall function models, bypassing th...
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Seung Il Baek and Joon Ahn
The effects of bulk flow pulsations on film cooling in gas turbine blades were investigated by conducting large eddy simulation (LES) and Reynolds-averaged Navier?Stokes simulation (RANS). The film cooling flow fields under 32 Hz pulsation in the mainstr...
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Amne ElCheikh and Michel ElKhoury
Numerical simulations are crucial for fast and accurate estimations of the flow characteristics in many engineering applications such as atmospheric boundary layers around buildings, external aerodynamics around vehicles, and pollutant dispersion. In the...
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Giulia Zanier, Massimiliano Palma, Andrea Petronio, Federico Roman and Vincenzo Armenio
A major threat for marine and coastal environment comes from oil spill accidents. Such events have a great impact on both the ecosystem and on the economy, and the risk increases over time due to increasing ship traffic in many sensitive areas. In recent...
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Gergely Kristóf and Bálint Papp
While large eddy simulation has several advantages in microscale air pollutant dispersion modelling, the parametric investigation of geometries is not yet feasible because of its relatively high computational cost. By assuming an analogy between heat and...
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Umberto Ciri, Giovandomenico Petrolo, Maria Vittoria Salvetti and Stefano Leonardi
Numerical simulations reproducing a wind tunnel experiment on two in-line wind turbines have been performed. The flow features and the array performances have been evaluated in different inflow conditions. Following the experimental setup, different inle...
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Alon Davidy
Pet-coke (petroleum coke) is identified as a carbon-rich and black-colored solid. Despite the environmental risks posed by the exploitation of pet-coke, it is mostly applied as a boiling and combusting fuel in power generation, and cement production plan...
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Alon Davidy
Hydrogen could be a promising source fuel, and is often considered as a clean energy carrier as it can be produced by ethanol. The use of ethanol presents several advantages, because it is a renewable feedstock, easy to transport, biodegradable, has low ...
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Giacomo Rismondo, Marta Cianferra and Vincenzo Armenio
The present paper contains the results of the numerical analysis of the interaction between a Newtonian incompressible turbulent flow and a linear elastic slender body, together with the influence of the fluid?structure interaction (FSI) on the noise gen...
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Miguel Angel Dilena and Marie Soressi
This automatic 3D reconstructive process currently underway supplies archaeologists with a mixed reality (MR) technique that allows them to interactively visualise 3D models representing formerly extracted finds, and to position such models over the feat...
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Simon Unterstrasser
Formation flight is one potential measure to increase the efficiency of aviation. Flying in the upwash region of an aircraft?s wake vortex field is aerodynamically advantageous. It saves fuel and concomitantly reduces the carbon foot print. However, ????...
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Galia Faingold, Leonid Tartakovsky and Steven H. Frankel
In the reported study, various aspects of dimethyl ether/hydrogen combustion in a Reactivity Controlled Compression Ignition (RCCI) engine are numerically evaluated using Reynolds Averaged Navier-Stokes (RANS) and Large Eddy Simulation (LES). Early direc...
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Galia Faingold, Leonid Tartakovsky and Steven H. Frankel
In the reported study, various aspects of dimethyl ether/hydrogen combustion in a Reactivity Controlled Compression Ignition (RCCI) engine are numerically evaluated using Reynolds Averaged Navier-Stokes (RANS) and Large Eddy Simulation (LES). Early direc...
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Ender Demirel, Mustafa M. Aral
Pág. 1 - 21
Multi-chamber contact tanks have been extensively used in industry for water treatment to provide potable water to communities, which is essential for human health. To evaluate the efficiency of this treatment process, flow and tracer transport analysis ...
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Ender Demirel and Mustafa M. Aral
Multi-chamber contact tanks have been extensively used in industry for water treatment to provide potable water to communities, which is essential for human health. To evaluate the efficiency of this treatment process, flow and tracer transport analysis ...
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Garam Ku, Songjune Lee, Cheolung Cheong, Woong Kang and Kuksu Kim
In industrial fields dealing with high-temperature and high-pressure gas such as chemical, petrochemical, and offshore oil production plants, piping systems with valves are frequently used to protect the relevant system and equipment from being damaged b...
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