Data processing of measured surface temperatures of continuously cast billets and blooms to verify the numerical solidification model

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F20%3A10247191" target="_blank" >RIV/61989100:27360/20:10247191 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.37904/metal.2020.3447" target="_blank" >https://doi.org/10.37904/metal.2020.3447</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.37904/metal.2020.3447" target="_blank" >10.37904/metal.2020.3447</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Data processing of measured surface temperatures of continuously cast billets and blooms to verify the numerical solidification model

Popis výsledku v původním jazyce

Numerical models of solidification and cooling of continuously cast billets or blooms are used both in research and in operational conditions to predict solid shell thickness, metallurgical length, solidification rate etc. The numerical model must be verified according to real values of quantities. Although several different quantities can be used to verify the model, most often the models are verified by comparing the calculated and measured surface temperatures of the strand in the secondary and tertiary cooling zones. The casting process is influenced by a number of known and hidden parameters, often time-varying, which are reflected in the measured surface temperatures, but which cannot be incorporated into the model due to a lack of information to define the exact boundary conditions. For the purposes of model verification, it is therefore necessary to revise the measured data. It is not enough to use only mathematical methods to process data without knowledge of the casting process, because uncertainties and temperature fluctuations have different and often difficult to detect causes. The article deals with sources of temperature uncertainties and fluctuations and methods of extraction of relevant values from measured signals. (C) 2020 TANGER Ltd., Ostrava.

Název v anglickém jazyce

Data processing of measured surface temperatures of continuously cast billets and blooms to verify the numerical solidification model

Popis výsledku anglicky

Numerical models of solidification and cooling of continuously cast billets or blooms are used both in research and in operational conditions to predict solid shell thickness, metallurgical length, solidification rate etc. The numerical model must be verified according to real values of quantities. Although several different quantities can be used to verify the model, most often the models are verified by comparing the calculated and measured surface temperatures of the strand in the secondary and tertiary cooling zones. The casting process is influenced by a number of known and hidden parameters, often time-varying, which are reflected in the measured surface temperatures, but which cannot be incorporated into the model due to a lack of information to define the exact boundary conditions. For the purposes of model verification, it is therefore necessary to revise the measured data. It is not enough to use only mathematical methods to process data without knowledge of the casting process, because uncertainties and temperature fluctuations have different and often difficult to detect causes. The article deals with sources of temperature uncertainties and fluctuations and methods of extraction of relevant values from measured signals. (C) 2020 TANGER Ltd., Ostrava.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

20500 - Materials engineering

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2020

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

METAL 2020 : 29th International Conference on Metallurgy and Materials : conference proceedings : May 20-22, 2020, Brno, Czech Republic, EU

ISBN

978-80-87294-97-0

ISSN

2694-9296

e-ISSN

—

Počet stran výsledku

6

Strana od-do

80-85

Název nakladatele

Tanger

Místo vydání

Ostrava

Místo konání akce

Brno

Datum konání akce

20. 5. 2020

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

—