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Numerical Investigation on the Crucible Discharge of Steel and Slag During the Aluminothermic Welding Process

Weiss S., Riehl I., Hantusch J., Gross U.

Archives of Metallurgy and Materials

2018

Vol. 63, iss. 1

173--180

The aluminothermic reaction is a type of self-propagating high-temperature synthesis to produce high quality metals and metal oxides en route. The main use of the aluminothermic reaction is in the field of railway welding. The multiphase flow of steel, slag and air in differently shaped crucibles has been numerically investigated in this work with the volume-of-fluid method. The simulations were carried out with the multiphase solver of the open source toolbox OpenFOAM. To validate the numerical results of the three-dimensional simulations, an experiment was carried out to investigate the discharge of a water-oil system from the crucible. A comparison to a numerical 3D simulation showed reasonable accurate results. It can be said that the solver is capable of predicting the point of the oil penetration of the water phase in the experiment.

Wybrane zagadnienia gospodarki energią w przemyśle mleczarskim

Budny J., Weiss S.

Zeszyty Naukowe. Mechanika / Politechnika Opolska

2000

z. 60

35-44

W opracowaniu przedstawiono główne zagadnienia związane z gospodarką energią w polskim przemyśle mleczarskim. Szczególną uwagę zwrócono na wartości liczbowe wskaźników zużycia energii oraz na ich uzależnienie od warunków pracy zakładu mleczarskiego.

In the article, the main problems connected with energy management in Polish dairy industry have been presented. Special attention was focused on numerical values of energy consumption index as well as on its dependence a dairy working conditions.