On the choice of mesoscale drag markers
Web26 de dez. de 2024 · In this research, a filtered drag was regressed with both mesoscale and macro-scale markers using fine grid Computational Fluid Dynamics - Discrete Element Method (CFD-DEM) simulations. The traditional non-linear regression method was compared with machine learning regression using an Artificial Neural Network (ANN) … Web2 de out. de 2013 · The effects of urban structures on the distribution of meteorological variables can be included in mesoscale models by an appropriate parametrization. The different approaches are conventionally tested against wind profiles in the centre of the urban area while flow distortions around are not considered. In this study, the quality of …
On the choice of mesoscale drag markers
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Web9 de dez. de 2024 · 论文标题: Effect of adjusted mesoscale drag model on flue gas desulfurization in powder-particle spouted beds (修正介尺度曳力模型对粉-粒喷动床烟气脱硫过程数值模拟影响) 期刊: Frontiers of Chemical Science and Engineering 作者:Xinxin Che, Feng Wu, Xiaoxun Ma. 发表时间:09 Dec 2024. DOI: 10.1007/s11705-021-2100-8 Web30 de set. de 2024 · The drag markers are classified into the macroscale and mesoscale markers, the latter of which includes the subgrid markers and coarse-grid markers. Most of the drag modeling were focused on identifying the mesoscale drag markers, and then bridging between the subgrid and coarse-grid markers. However, owing to the lack of …
WebHow to extract the features of these structures in the form of proper finite quantities, namely markers, has posed great challenges in mesoscale drag modeling. The choice of … Web6 de jan. de 2024 · A new drag model is derived based on the reconstructed particle trajectories and gas flow field near the ejector exit with particle Reynolds numbers between 30 and 300. ... “ Mesoscale drag modeling: ... and W. Wang, “ On the choice of mesoscale drag markers,” AIChE J. 68(4), e17558 (2024).
Web20 de nov. de 2024 · The number of mesoscale eddies decreases exponentially in size, but submesoscale eddies show a normal distribution in size. These findings are significant in filling our knowledge gap in submesoscale eddies in this physically and ecologically important region as it encompasses world-renowned coral reefs, seagrasses, and fisheries. Web1 de set. de 2024 · Mesoscale drag modeling is the critical issue for the simulation of gas–solid two-phase flows. This article reviews the physical origin of the drag force and …
WebDownload scientific diagram Material properties and simulation setup from publication: On the choice of mesoscale drag markers Multiscale simulations of fluidized beds should …
WebABSTRACT Mesoscale drag model is of crucial significance for the reliability and accuracy in coarse-grid Eulerian-Eulerian two-fluid model (TFM) simulations of gas-solid flow hydrodynamics in fluidized bed reactors.Although numerous mesoscale drag models have been reported in the literature,a systematic comparison of their prediction capability from … cluster algebras and knotsWebHow to extract the features of these structures in the form of proper finite quantities, namely markers, has posed great challenges in mesoscale drag modeling. The choice of … cluster aixWeb1 de set. de 2024 · Mesoscale drag modeling is the critical issue for the simulation of gas–solid two-phase flows. This article reviews the physical origin of the drag force and … cluster algebras and snake modulesWeb× Close. The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. cables for gtx 960Web30 de dez. de 2024 · This article introduces a two-step scheme that is applied in the classic experimental approach to reflect on the choice of markers. The steady-state definitional … cluster algebras and poisson geometryWeb1 de mai. de 2024 · In this research, a filtered drag was regressed with both mesoscale and macro-scale markers using fine grid Computational Fluid Dynamics-Discrete … cluster algebras ivWeb4 de mai. de 2024 · Results reveal that the filtered drag correction is nearly independent of filter size when including the filtered gas phase pressure gradient. We further find that … cluster algebras fomin