Water impinging jet has been widely used in a variety of engineering applications; especially in the hot steel cooling of steelmaking processes and heat treatment in hot metals. The effects of cooling water temperature on water impinging jet cooling are mainly investigated for hot steel plate cooling in this study. The heat flux are measured by a novel experimental technique that has a function of high-temperature heat flux gauge in which test block assemblies are used to measure the heat flux distributions on the hot surface. The water impinging jet is produced by a straight pipe nozzle and experiments are performed at fixed water flow rate and fixed nozzle-to-target spacing. The results show that effects of water temperature on impinging jet transfer characteristics are presented for five different water temperatures between 5 to 45°C. The heat flux curves and heat transfer coefficients are also provided to a benchmark data for the actual impinging jet cooling applications of hot steel plate.
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ASME/JSME 2011 8th Thermal Engineering Joint Conference
March 13–17, 2011
Honolulu, Hawaii, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-3892-1
PROCEEDINGS PAPER
Effect of Cooling Water Temperature on Impinging Jet Heat Transfer on Hot Steel Plate
Jungho Lee
,
Jungho Lee
Korea Institute of Machinery and Materials (KIMM), Daejeon, Korea
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Cheong-Hwan Yu
,
Cheong-Hwan Yu
Korea Institute of Machinery and Materials (KIMM), Daejeon, Korea
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Kyu Hyung Do
Kyu Hyung Do
Korea Institute of Machinery and Materials (KIMM), Daejeon, Korea
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Jungho Lee
Korea Institute of Machinery and Materials (KIMM), Daejeon, Korea
Cheong-Hwan Yu
Korea Institute of Machinery and Materials (KIMM), Daejeon, Korea
Kyu Hyung Do
Korea Institute of Machinery and Materials (KIMM), Daejeon, Korea
Paper No:
AJTEC2011-44211, T10222; 7 pages
Published Online:
March 1, 2011
Citation
Lee, J, Yu, C, & Do, KH. "Effect of Cooling Water Temperature on Impinging Jet Heat Transfer on Hot Steel Plate." Proceedings of the ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASME/JSME 2011 8th Thermal Engineering Joint Conference. Honolulu, Hawaii, USA. March 13–17, 2011. T10222. ASME. https://doi.org/10.1115/AJTEC2011-44211
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