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Hysteresis and Eddy Currents Effects Simulation in Idling Mode of the Transformer
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Revealing the dynamics of a local Alpine windstorm using large-eddy simulations
Published 2025-04-01“…We investigate the mechanism of this local windstorm and its sensitivity to changes in the prescribed ambient wind using large-eddy simulation (LES). The LESs are performed at a horizontal grid spacing of <span class="inline-formula">30 m</span> and by applying a terrain-following vertical coordinate with steep slopes of the real topography reaching nearly 80°. …”
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Characteristics of transition to turbulence in a healthy thoracic aorta using large eddy simulation
Published 2025-01-01“…Abstract This study employed large eddy simulation (LES) with the wall-adapting local eddy-viscosity (WALE) model to investigate transitional flow characteristics in an idealized model of a healthy thoracic aorta. …”
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Insights into the enhanced flow resistance due to coarsened riverbed sediments via large-eddy simulations
Published 2025-01-01“…In this study, the method of large-eddy simulation (LES) is applied to investigate the impact of patches of coarsened riverbed sediments on near-bed hydrodynamics and flow resistance. …”
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Large Eddy Simulation (LES) of Hydrogen Jet Flames and Finite Element Analysis of Thermal Barrier Coating
Published 2024-12-01“…The new computational method presented here includes several aspects of hydrogen jet flame accidents and their mitigation: the CFD simulation of a hydrogen jet flame using the HyRAM code and Fire Dynamics Simulator (FDS) software 5.0 using a large eddy simulation (LES) turbulence model; the calculation of the gaseous mixture’s thermo-physical properties using the GASEQ thermochemical code; the calculation of convective and radiative heat fluxes using empirical correlation; and a heat transfer simulation on the pipe thermal barrier coating (TBC) using COMSOL Multiphysics software 4.2a during the heating phase. …”
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Comparative Analysis of Thermodynamic Characteristics of Permanent Magnet and Electromagnetic Eddy Current Braking
Published 2020-05-01“…Based on theoretical calculations and simulation analysis, the air-gap magnetic fields of two eddy-current braking devices with the same pole distance and structure size were compared, and the relationship between eddy-current braking force and air-gap magnetic field was obtained. …”
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Decay of eddies at the South-West Indian Ridge
Published 2011-11-01“…Most simulated eddies reach their peak intensity within 1.5-2.5 months after genesis and have depths of 2000 m - 3000 m. …”
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Design and Analysis of Differential Compensated Eddy Current Displacement Sensors
Published 2025-06-01“…The experimental results show that the measuring range of the DCECDS designed in this study can reach 1.76 times the diameter of the probe coil, which is 3.5 times higher than that of the traditional eddy current displacement sensor. …”
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On Numerical Simulations of Turbulent Flows over a Bluff Body with Aerodynamic Flow Control Based on Trapped Vortex Cells: Viscous Effects
Published 2025-05-01“…Turbulent flows over a semi-circular cylinder (a limiting case of a thick airfoil with a chord equal to the diameter base) are investigated using high-fidelity large-eddy simulations at a diameter-based Reynolds number, Re = 130,000, Mach number, M = 0.05, and a zero angle of attack. …”
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Twin-AI: Intelligent Barrier Eddy Current Separator with Digital Twin and AI Integration
Published 2025-07-01“…The current paper presents a comprehensive intelligent system designed to optimize the performance of a barrier eddy current separator (BECS), comprising a conveyor belt, a vibration feeder, and a magnetic drum. …”
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Analysis of Performance and Noise on an Asymmetric Double-Suction Fan with Non-Uniformity Inlet Conditions
Published 2025-05-01“…This study utilizes a combination of performance testing and a large eddy simulation to analyze the impact of different inlet conditions on the performance curve, impeller outlet pressure pulsation, unsteady flow structures, and sound quality of an asymmetric double-suction centrifugal fan. …”
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Impact of coastal currents and eddies on particle dispersion in the Baltic Sea: a Lagrangian approach to marine ecosystems
Published 2025-05-01“…Combining the General Estuarine Transport Model (GETM) and Lagrangian methods, it examines both single and paired particle dynamics, initially deployed in coastal areas of the Baltic Sea, for 2D and 3D simulations. Results show significant variability in transit times as it takes for 3D particles from the eastern coastal zone over 700 days to reach the central Gotland Basin, while those from the western coastal zone arrive 90 days faster. …”
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A New Transformer Network for Short-Term Global Sea Surface Temperature Forecasting: Importance of Eddies
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Investigation of dust distribution patterns in open-pit coal mines under varying wind speed and air humidity
Published 2025-05-01“…Nonlinear curve fitting further elucidated trends in dust mass concentration. Numerical simulations using Fluent software and Large Eddy Simulation (LES) were conducted to analyze dust distribution characteristics under individual variable influences. …”
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Depth Dependent Dynamics Explain the Equatorial Jet Difference Between Jupiter and Saturn
Published 2024-03-01“…Abstract Jupiter's equatorial eastward zonal flows reach wind velocities of ∼100 m s−1, while on Saturn they are three times as strong and extend about twice as wide in latitude, despite the two planets being overall dynamically similar. …”
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Simulations of Steady Cavitating Flow in a Small Francis Turbine
Published 2016-01-01Get full text
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Numerical simulation of respirable dust transport law in fully mechanized excavation face
Published 2025-06-01“…Based on the theory of gas-solid two-phase flow, the air flow condition and the migration and distribution characteristics of respirable dust in the tunnel under press-in ventilation were studied by numerical simulation. The simulation results showed that air flow plays a major role in dust migration within the roadway and can be divided into three regions: vortex region, jet region and reflux region. …”
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Local Wind Simulation over Complex Terrain of Chongli Using WRF-LES
Published 2023-02-01“…Utilizing four nested domains of large eddy simulation with Weather Research and Forecasting Model (WRF-LES), this paper carries out wind simulation test in Chongli area, where is one of the host locations of 2022 Beijing Winter Olympics.Based on surface and lidar data, a clear-sky case with high-pressure system is chosen to evaluate the performance of the model.STRM1 30 m topographic data, glc2015 27 m land use data, and China Meteorological Administration Land Data Assimilation (CLDAS) soil moisture data are introduced to improve the simulated results.In addition, sensitive tests are conducted to evaluate effects of different input data.Results show that: (1) Spatial and temporal changes of simulated winds reasonably agree with observations.The mean absolute error (MAE) of wind direction is 10°~60° and the wind speed is 0.8~2 m·s-1.For wind direction, errors of higher-elevation areas are less than that of lower-elevation areas.The errors are less during the developed period of valley-wind or slope-wind but grow higher when wind shifts.(2) Positive effects are concluded after the update of terrain, land use and soil moisture data.The improvements are most obvious for both wind direction and 2-meter temperature after using CLDAS soil moisture, with MAE values reduced by 4.26° and 0.84 °C, respectively.The wind speed is more sensitive to land use, and the error is reduced by 0.32 m·s-1.(3) The CLDAS soil moisture is obviously lower than that of ERA5.Lower soil moisture can create lower conductivity or lower heat capacity, this state can create stronger surface warming during daytime and cooling at night, and the vertical height of the stronger daytime warming can reach 700~900 m, while the intense nighttime cooling is below 200 m.An apparent wind increase is also noted in lower layers during daytime.These changes are more obvious in valleys and ravines.…”
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Three‒Dimensional Numerical Simulation of the Breaching Process of Landslide Dams with Heterogeneous Structures
Published 2025-07-01“…This study clarifies the fundamental influence of 3D material heterogeneity on the breach process of landslide dams, enhancing the predictive capabilities of numerical models in geohazard risk ma-nagement.MethodsA novel 3D landslide dam breach model was developed by coupling Large Eddy Simulation (LES) with sediment mass conservation equations that incorporated phase transitions between solid and suspended states, accurately capturing the erosion dynamics in heterogeneous dams. …”
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