Results 171 to 180 of about 267,200 (366)

CFD analysis of the 24-inch JIRAD hybrid rocket motor [PDF]

open access: green, 1995
Pak-Yan Liang   +2 more
openalex   +1 more source

Impact of slug length in gas–liquid two‐phase flow on the structural stress characteristics of horizontal rigid pipelines

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Data collection and processing of slug length in two‐phase flow‐induced stress analysis. Abstract The intermittent passage of liquid slugs and gas pockets in slug flow generates substantial cyclic stress damage to piping systems and their supports. This issue poses significant challenges to the various industries in which this flow pattern is present ...
Abdalellah O. Mohmmed   +2 more
wiley   +1 more source

A hybrid quantum-classical framework for computational fluid dynamics [PDF]

open access: yesarXiv
Great progress has been made in quantum computing in recent years, providing opportunities to overcome computation resource poverty in many scientific computations like computational fluid dynamics (CFD). In this work, efforts are made to exploit quantum potentialities in CFD, and a hybrid classical and quantum computing CFD framework is proposed to ...
arxiv  

A review on the CFD analysis of urban microclimate

open access: yes, 2017
Y. Toparlar   +3 more
semanticscholar   +1 more source

NUMERICAL MODELLING OF A MULTI-PHYSICAL PROBLEM WITHIN AN ENCAPSULATED THREE-PHASE TRANSFORMER AND ITS SURROUNDINGS

open access: yesTASK Quarterly, 2006
The paper presents a numerical thermal model of an encapsulated three-phase electrical transformer. The model is based on the multi-physical approach and involves heat transfer analysis coupled with the examination of specific power losses in the coils ...
JACEK SMOLKA   +3 more
doaj  

Anvil: An integration of artificial intelligence, sampling techniques, and a combined CAD-CFD tool [PDF]

open access: yesarXiv
In this work, we introduce an open-source integrated CAD-CFD tool, Anvil, which combines FreeCAD for CAD modeling and OpenFOAM for CFD analysis, along with an AI-based optimization method (Bayesian optimization) and other sampling algorithms. Anvil serves as a scientific machine learning tool for shape optimization in three modes: data generation, CFD ...
arxiv  

Diazonium Salts in Visible Light Photocatalysis – a Focused Overview of their Application in Continuous Flow Synthesis

open access: yesChemPhotoChem, EarlyView.
The combination of continuous flow technology and visible light photocatalysis has been used to improve the safety and productivity of reactions with diazonium salts as reactive intermediates. This approach has proven to be a reliable method for various organic synthesis routes with diazonium salts under mild and well‐defined conditions.
Christoph Deckers, Thomas H. Rehm
wiley   +1 more source

FBR for Polyolefin Production in Gas Phase: Validation of a Two‐Phase Compartmentalized Model by Comparison with CFD

open access: yesMacromolecular Reaction Engineering, Volume 16, Issue 6, December 2022., 2022
Two different approaches are used to simulate the fluidization behavior of Geldart A–B particles in fluidized bed reactors operated in the bubbling regime. 2D computational fluid dynamics Euler‐Euler predictions are compared to results of a compartment‐based model with simplified fluid‐dynamics description. The compartmentalized approach is appropriate
Carmine Sabia   +5 more
wiley   +1 more source

Topic-aware Causal Intervention for Counterfactual Detection [PDF]

open access: yesarXiv
Counterfactual statements, which describe events that did not or cannot take place, are beneficial to numerous NLP applications. Hence, we consider the problem of counterfactual detection (CFD) and seek to enhance the CFD models. Previous models are reliant on clue phrases to predict counterfactuality, so they suffer from significant performance drop ...
arxiv  

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