Experimental determination of heat transfer coefficient with spray cooling
Book
·
OSTI ID:435750
- Florida International Univ., Miami, FL (United States)
Spray water cooling is used to cool the hot surface of metal cast in the continuous casting process. When the strand leaves the first cooling zone, i.e., the mold, further cooling takes place in a so-called secondary cooling zone, which consists of a system of support rollers and nozzles arranged in different positions. The strand surface temperature is close to its solidification temperature and the impinging water spray removes the heat from the surface due to its phase change. Heat transfer conditions in spray water cooling are similar to those of pool boiling. An experimental investigation is being conducted to determine the heat transfer coefficient of the impinging jet in the stable film boiling and partial stable film boiling ranges. It was found that the major parameters effecting the effective heat transfer coefficient are spray water mass flux and spray water temperature.
- OSTI ID:
- 435750
- Report Number(s):
- CONF-951135--; ISBN 0-7918-1755-5
- Country of Publication:
- United States
- Language:
- English
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