Téléchargez le livre : Computational Thermo-Fluid Dynamics of Aluminothermic Welding Process

Computational Thermo-Fluid Dynamics of Aluminothermic Welding Process

Numerical Modelling of the Pouring and Solidification Stages de

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Springer Vieweg


Paru le : 2025-05-01

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Description

The aluminothermic (AT) welding process, also known as Thermit welding, is an essential process for joining and repairing rails due to its simplicity, robustness, portability and economic usage. This book presents a multi-fluid, multiphase numerical model to predict the thermal flow field within the mould during the pouring and solidification stages of the AT welding process, developed using the finite volume method-based open-source CFD software OpenFOAM. The numerical model is rigorously validated not only against well-documented cases in the literature but also through an in-house, low-cost experiment designed to investigate the temporal and spatial evolution of the solid-liquid interface front during the melting of paraffin wax in a rectangular enclosure in the presence of a gas phase. The simulation results show good agreement with the validation cases. Moreover, insights into the thermal pouring stage with solid-liquid phase change phenomena are provided. For this purpose, the available k − ε turbulence model is also extended to incorporate the solid-liquid phase change phenomena. Finally, the temporal and spatial evolution of the solid-liquid interface front during the solidification stage is examined, and the influence of initial molten metal temperature and thermophysical properties on the final weld profiles is systematically studied.
Pages
153 pages
Collection
n.c
Parution
2025-05-01
Marque
Springer Vieweg
EAN papier
9783658475345
EAN PDF
9783658475352
Informations sur l'ebook
Nombre pages copiables
1
Nombre pages imprimables
15
Taille du fichier
21279 Ko
Prix
94,94 €
EAN EPUB
9783658475352
Informations sur l'ebook
Nombre pages copiables
1
Nombre pages imprimables
15
Taille du fichier
37693 Ko
Prix
94,94 €

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