Zobrazeno 1 - 10
of 166
pro vyhledávání: '"Pieprzyca J."'
Autor:
Tkadlečková M., Michalek K., Gryc K., Socha L., Jonšta P., Saternus M., Pieprzyca J., Merder T.
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 3, Pp 1453-1458 (2017)
The paper describes the research and development of casting and solidification of slab ingots from special tool steels by means of numerical modelling using the finite element method. The pre-processing, processing and post-processing phases of numer
Externí odkaz:
https://doaj.org/article/5f398dc9f141479fa434692238d98b4c
Autor:
Michalek K., Gryc K., Socha L., Tkadlečková M., Saternus M., Pieprzyca J., Merder T., Pindor L.
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 3, Pp 1467-1471 (2017)
This paper deals with the issue of physical modelling of vortexes creation and tundish slag entrainment over the mouth of the nozzle into the individual casting strands. Proper physical model is equivalent to the operational continuous casting machin
Externí odkaz:
https://doaj.org/article/2b35e708807d4b229216f04f22fe414c
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 2, Pp 905-910 (2017)
The article demonstrates results of modelling research tests concerning the analysis of possibilities of blowing gas into the metal bath at high flow rates in a steel ladle with a nominal capacity of 50 Mg. Various configurations concerning of gas in
Externí odkaz:
https://doaj.org/article/49a5a8eb4eb64778b0a1145d3833fc7f
Publikováno v:
Archives of Metallurgy and Materials, Vol 61, Iss 4, Pp 2057-2060 (2016)
The article presents experimental results on the impact of tundish flow regulator influencing the liquid steel flow course. The research was conducted based on the hybrid modelling methods understood as a complementary use of Computational Fluid Dyna
Externí odkaz:
https://doaj.org/article/d10159254879416ca804f2db63ab0b01
Autor:
Michalek K., Gryc K., Socha L., Tkadlečková M., Saternus M., Pieprzyca J., Merder T., Pindor L.
Publikováno v:
Archives of Metallurgy and Materials, Vol 61, Iss 1, Pp 257-260 (2016)
This paper deals with the possibilities of using physical modelling to study the slag entrainment in the tundish. A level of steel in the tundish is changing during sequential continuous casting. The most significant decrease in the steel level occur
Externí odkaz:
https://doaj.org/article/60eeb588461248cc85c6b4c7411e5334
Autor:
Tkadlečková M., Válek L., Socha L., Saternus M., Pieprzyca J., Merder T., Michalek K., Kováč M.
Publikováno v:
Archives of Metallurgy and Materials, Vol 61, Iss 1, Pp 221-226 (2016)
The paper is dedicated to the verification of solidification of continuously cast round steel billets using numerical modelling based on the finite element method. The aim of numerical modelling is to optimize the production of continuously cast stee
Externí odkaz:
https://doaj.org/article/86c30c8cddfa412fa3659d11f31364e7
Publikováno v:
Archives of Metallurgy and Materials, Vol 60, Iss 4, Pp 2887-2894 (2015)
URO-200 reactor belongs to batch reactors used in refining process of aluminium and its alloys in polish foundries. The appropriate level of hydrogen removal from liquid aluminium can be obtained when the mixing of inert gas bubbles with liquid metal
Externí odkaz:
https://doaj.org/article/b8ee162e33cb458a9e07f4b624fe438a
Publikováno v:
Archives of Metallurgy and Materials, Vol 60, Iss 4, Pp 2927-2932 (2015)
The way and speed of steel flux flowing into mould of continuous casting (CC) machine belong to the important parameters characterizing the steel continuous casting process. Such flux causes determined kinds of steel circulation, which together with
Externí odkaz:
https://doaj.org/article/f4102720248e4fefa2ab66cdd27c5e31
Publikováno v:
Archives of Metallurgy and Materials, Vol 60, Iss 3, Pp 1859-1864 (2015)
The efficiency of vacuum steel degassing using RH methods depends on many factors. One of the most important are hydrodynamic processes occurring in the ladle and vacuum chamber. It is always hard and expensive to determine the flow character and the
Externí odkaz:
https://doaj.org/article/095993f9a310442ebf18e43e8316b6a0
Autor:
Pieprzyca J., Jowsa J.
Publikováno v:
Archives of Metallurgy and Materials, Vol 60, Iss 1, Pp 245-249 (2015)
A common method used in identification of hydrodynamics phenomena occurring in Continuous Casting (CC) device's tundish is to determine the RTD curves of time. These curves allows to determine the way of the liquid steel flowing and mixing in the tun
Externí odkaz:
https://doaj.org/article/48d71dce7da44655bc77121b9c19f96c