Zobrazeno 1 - 10
of 138
pro vyhledávání: '"T. Merder"'
Publikováno v:
Metalurgija, Vol 63, Iss 2, Pp 177-180 (2024)
This paper presents the results of research conducted with the use of water physical model of refining ladle for production of high-carbon FeSi alloys. The purpose of the research was to determine the possibilities to enhance the efficiency of the pr
Externí odkaz:
https://doaj.org/article/0a4ad64d0f524745976dabadd84fdba6
Publikováno v:
Metalurgija, Vol 63, Iss 1, Pp 3-5 (2024)
The increase in market demand for small masses of special purpose steel forces its producers to use the technique of continuous casting with a transition zone. The article presents the results of model tests of limiting the range of the transition zo
Externí odkaz:
https://doaj.org/article/3c4471d1f1ba4a0d93062c800a1d9c50
Publikováno v:
Metalurgija, Vol 62, Iss 3-4, Pp 335-338 (2023)
The article presents the results of the CFD simulation of the method of medium flow and mixing, as well as the movement and removal of solid particles in the model of two-strand tundish as a result of installed internal arrangement. Two variants incl
Externí odkaz:
https://doaj.org/article/6bd2b8c9cec349f8b09f8f896cf43364
Publikováno v:
Metalurgija, Vol 62, Iss 2, Pp 179-182 (2023)
One of the primary factors affecting the quality of continuously cast billets is the way the steel flows and mixes in the tundish of Continuous Steel Casting (CSC) machine. This is of particular importance in the case of continuous billets. The artic
Externí odkaz:
https://doaj.org/article/092a06820dcb4bffa905747a4d9fd0e0
Autor:
J. Pieprzyca, T. Merder
Publikováno v:
Metalurgija, Vol 61, Iss 1, Pp 145-148 (2022)
The dominant dynamic similarity criterion in the modelling of two-phase flows in steel metallurgy is the modified Froude (Fr) criterion. Modifications of this criterion, depending on the purpose of the research, may take various forms. The article pr
Externí odkaz:
https://doaj.org/article/9fb513e0d1884df48b8ca613d22d7d63
Autor:
T. Merder, J. Pieprzyca
Publikováno v:
Metalurgija, Vol 61, Iss 2, Pp 291-294 (2022)
The article presents the results of research aimed at determining the nature of changes in the mixing of liquid steel in asymmetrical tundish due to the increase in casting speed and the possibility of limiting the use of Flow Control Devices (FCD).
Externí odkaz:
https://doaj.org/article/175d857dd281472cb4a7130732f0c89e
Publikováno v:
Metalurgija, Vol 61, Iss 3-4, Pp 585-588 (2022)
Due to the need to improve the quality of the produced steel, especially its metallurgical purity, attempts are made to use inert gas bubbling curtain in the tundish. The article presents the results of the research of metal-slag interaction carried
Externí odkaz:
https://doaj.org/article/b4e1eb0dd80d4cd984ad4b0aa77b4e54
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 2, Pp 561-572 (2021)
The article presents the results of model research concerning the change of technology of argon blowing into liquid steel at the ladle furnace, using the dual plug system. The results of numerical simulations were verified with experimental data carr
Externí odkaz:
https://doaj.org/article/afaad0d1bba140e4a9f848adc16aeda0
Autor:
J. Pieprzyca, T. Merder
Publikováno v:
Metalurgija, Vol 60, Iss 3-4, Pp 201-204 (2021)
The article presents the results of modeling research of hydrodynamic phenomena occurring in the oxygen converter during the addition of SLCF while blowing the liquid bath. The water physical model of the oxygen converter was used for the research. T
Externí odkaz:
https://doaj.org/article/47b88a272c6f4204b781406c4fdbd197
Autor:
T. Merder, J. Pieprzyca
Publikováno v:
Metalurgija, Vol 60, Iss 1-2, Pp 19-22 (2021)
The aim of the research was to analyze the influence of the flow behavior of liquid steel in a three-strand, asymmetric tundish when not all outlet openings are working. This problem was solved through physical modeling. The tests were carried out wi
Externí odkaz:
https://doaj.org/article/2c8de9018ef8466fa7eb2136c2c53010