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...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Croatian Metallurgical Society
2009-10-01
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| Series: | Metalurgija |
| Subjects: | |
| Online Access: | http://public.carnet.hr/metalurg/Metalurgija/2009_vol_48/No_4/MET_48_4_235_238_Poihoda.pdf |
| Summary: | 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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| ISSN: | 0543-5846 1334-2576 |