Influence of Water Temperature on the Cooling Intensity during Continuous Casting and Hot Rolling
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F12%3APU98987" target="_blank" >RIV/00216305:26210/12:PU98987 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Influence of Water Temperature on the Cooling Intensity during Continuous Casting and Hot Rolling
Original language description
Two types of nozzles were tested to find out the influence of the water temperature on cooling intensity. The first type was a mist nozzle used in the secondary cooling area of a steel slab casting machine. The second type was a flat fan nozzle usually used during hot rolling and heat treatment process of rolled strips. These laboratory measurements of cooling intensity were performed in a temperature range of water temperature from 20 C to 80 C. A strong influence of the water temperature on cooling intensity was found. Changing the water temperature from 20 C to 80 C caused a change of heat transfer coefficient. For mist nozzle was found slightly increasing cooling intensity with growing water temperature. The difference was about 30 W m-2 K-1. For flat fan nozzle was found the decreasing cooling intensity with growing water temperature. The difference was about 110 W m-2 K-1. The main effect was not the change of heat transfer coefficient but the shift of Leidenfrost temperature to a lower temperature area. The change of water temperature from 20 C to 80 C caused the change of Leidenfrost temperature about 130 C for both nozzles. This can be a significant change of cooling and can affect the cooling character in industrial applications.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
JG - Metallurgy, metal materials
OECD FORD branch
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Result continuities
Project
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Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
21ST INTERNATIONAL CONFERENCE ON METALLURGY AND MATERIALS (METAL 2012)
ISBN
978-80-87294-31-4
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
1-6
Publisher name
TANGER LTD
Place of publication
OSTRAVA
Event location
Brno
Event date
May 23, 2012
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000318506500016