Heat transfer during cooling of hot surfaces by water nozzles

Method of cooling in a secondary zone of continuous casting of steel has a significant influence on a quality of continuously cast products mainly from the point of view of internal and surface defects as well as zonal segregations. At the department of thermal engineering, a physical model of the s...

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Main Authors: M. Pøíhoda, J. Molínek, R. Pyszko, M. Velička, M. Vaculík, J. Burda
Format: Article
Language:English
Published: Croatian Metallurgical Society 2009-10-01
Series:Metalurgija
Subjects:
Online Access:http://public.carnet.hr/metalurg/Metalurgija/2009_vol_48/No_4/MET_48_4_235_238_Poihoda.pdf
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author M. Pøíhoda
J. Molínek
R. Pyszko
M. Velička
M. Vaculík
J. Burda
author_facet M. Pøíhoda
J. Molínek
R. Pyszko
M. Velička
M. Vaculík
J. Burda
author_sort M. Pøíhoda
collection DOAJ
description Method of cooling in a secondary zone of continuous casting of steel has a significant influence on a quality of continuously cast products mainly from the point of view of internal and surface defects as well as zonal segregations. At the department of thermal engineering, a physical model of the secondary zone has been developed, which enables testing of both water and water-air nozzles. During laboratory measurements cooling effects of a cone nozzle have been expressed by means of three parameters. Most commonly used parameter is an admission characteristic, infrequently heat transfer coefficient is determined and newly a measuring of dynamic impact of the cooling water has been introduced.
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spelling doaj.art-a8ea7de78ebb494487968386aa2546ff2022-12-21T18:31:38ZengCroatian Metallurgical SocietyMetalurgija0543-58461334-25762009-10-01484235238Heat transfer during cooling of hot surfaces by water nozzlesM. PøíhodaJ. MolínekR. PyszkoM. VeličkaM. VaculíkJ. BurdaMethod of cooling in a secondary zone of continuous casting of steel has a significant influence on a quality of continuously cast products mainly from the point of view of internal and surface defects as well as zonal segregations. At the department of thermal engineering, a physical model of the secondary zone has been developed, which enables testing of both water and water-air nozzles. During laboratory measurements cooling effects of a cone nozzle have been expressed by means of three parameters. Most commonly used parameter is an admission characteristic, infrequently heat transfer coefficient is determined and newly a measuring of dynamic impact of the cooling water has been introduced.http://public.carnet.hr/metalurg/Metalurgija/2009_vol_48/No_4/MET_48_4_235_238_Poihoda.pdfheat transfer coefficientcooling of surfacenozzlecontinuous casting of steel
spellingShingle M. Pøíhoda
J. Molínek
R. Pyszko
M. Velička
M. Vaculík
J. Burda
Heat transfer during cooling of hot surfaces by water nozzles
Metalurgija
heat transfer coefficient
cooling of surface
nozzle
continuous casting of steel
title Heat transfer during cooling of hot surfaces by water nozzles
title_full Heat transfer during cooling of hot surfaces by water nozzles
title_fullStr Heat transfer during cooling of hot surfaces by water nozzles
title_full_unstemmed Heat transfer during cooling of hot surfaces by water nozzles
title_short Heat transfer during cooling of hot surfaces by water nozzles
title_sort heat transfer during cooling of hot surfaces by water nozzles
topic heat transfer coefficient
cooling of surface
nozzle
continuous casting of steel
url http://public.carnet.hr/metalurg/Metalurgija/2009_vol_48/No_4/MET_48_4_235_238_Poihoda.pdf
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AT jmolinek heattransferduringcoolingofhotsurfacesbywaternozzles
AT rpyszko heattransferduringcoolingofhotsurfacesbywaternozzles
AT mvelicka heattransferduringcoolingofhotsurfacesbywaternozzles
AT mvaculik heattransferduringcoolingofhotsurfacesbywaternozzles
AT jburda heattransferduringcoolingofhotsurfacesbywaternozzles