Results 31 to 40 of about 1,875,388 (249)

PHANTOM project: development and validation of the pipeline from MRA acquisition to MRA simulations

open access: yesESAIM: Proceedings and Surveys, 2016
The aim of this project is to validate the Vivabrain pipeline with a physical phantom from real MRI acquisition to MRI simulations through image segmentation and computational fluid dynamics (CFD) simulations. For that purpose, we set up three comparison
Ancel Alexandre   +4 more
doaj   +1 more source

Single and multiphase CFD approaches for modelling partially baffled stirred vessels: comparison of experimental data with numerical predictions [PDF]

open access: yes, 2007
Whilst the use of CFD to study mixing vessels is now common-place, there are still many specialised applications that are yet to be addressed. Here we present CFD and PIV results for a hydrodynamic study of a partially baffled vessel with a free surface.
Fletcher, David F.   +4 more
core   +1 more source

Effectiveness of CFD simulation for the performance prediction of phase change building boards in the thermal environment control of indoor spaces [PDF]

open access: yes, 2013
This is the post-print version of the Article. The official published version can be accessed from the link below - Copyright @ 2013 ElsevierThis paper reports on a validation study of CFD models used to predict the effect of PCM clay boards on the ...
Gowreesunker, BL, Tassou, SA
core   +1 more source

Experimental and Numerical Study of the Aerodynamic Characteristics of an Archimedes Spiral Wind Turbine Blade

open access: yesEnergies, 2014
A new type of horizontal axis wind turbine adopting the Archimedes spiral blade is introduced for urban-use. Based on the angular momentum conservation law, the design formula for the blade was derived using a variety of shape factors.
Kyung Chun Kim   +5 more
doaj   +1 more source

Adaptive Multi-Grid Methods for Parallel CFD Applications [PDF]

open access: yes, 2014
Computational fluid dynamic (CFD) computations are memory and time intensive and need to be executed in parallel for larger computational domains. In order to produce physical accurate solutions, adaptive grid setups have to be chosen as the memory and ...
Mundani, Ralf-Peter   +2 more
core   +1 more source

Hydrodynamic investigation of acoustic bubble–surface interactions on nanoarray-coated fins for microelectronic cooling with machine learning-based analysis

open access: yesScientific Reports
This study presents a novel phase-change cooling strategy that synergistically integrates acoustofluidic bubble dynamics with nanoarray-coated micropin fins to enhance thermal performance.
Seyed Hamed Godasiaei   +2 more
doaj   +1 more source

On the Effectiveness of Scale-Averaged RANS and Scale-Resolved IDDES Turbulence Simulation Approaches in Predicting the Pressure Field over a NASCAR Racecar

open access: yesFluids, 2023
Racecar aerodynamic development requires well-correlated simulation data for rapid and incremental development cycles. Computational Fluid Dynamics (CFD) simulations and wind tunnel testing are industry-wide tools to perform such development, and the ...
Adit Misar, Phillip Davis, Mesbah Uddin
doaj   +1 more source

Modeling Turbulent Flow in Stirred Tanks with CFD: The Influence of the Modeling Approach, Turbulence Model and Numerical Scheme [PDF]

open access: yes, 2004
Single phase turbulent flow in a tank stirred by a down- and an up-pumping pitched blade turbine has been simulated using CFD. The effect of the modeling approach, discretization scheme and turbulence model on mean velocities, turbulent kinetic energy ...
Fletcher, David F.   +2 more
core   +1 more source

Modular Critical Element Recycling Platform Using a Nanoporous Additively Manufactured Gyroid

open access: yesAdvanced Engineering Materials, EarlyView.
A modular recycling platform integrates 3D‐printed nanoporous gyroid structures to enable efficient critical element recovery. This system utilizes a hierarchical architecture, combining macroscopic channels with polymerization‐induced nanoscale porosity. By systematically tuning structural wall thickness and resin formulation, the platform achieves an
Xiangyu Gao   +6 more
wiley   +1 more source

GPU-based simulation of 3D blood flow in abdominal aorta using OpenFOAM

open access: yesArchives of Mechanics, 2011
The simulation of blood flow in the cardiac system has the potential to become an attractive diagnostic tool for many cardiovascular diseases, such as in the case of aneurysm.
Z. Malecha   +6 more
doaj   +1 more source

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