Abstract
It has been observed that the cooling capacity of an impinging water jet is affected by the seasonal conditions in large-scale steel manufacturing processes. To confirm this phenomenon, cooling experiments utilizing a hot steel plate cooled by a laminar jet were conducted for two initial ambient air temperatures (10°C and 40°C) in a closed chamber, performing an inverse heat conduction method for quantitative comparison. This study reveals that the cooling capacity at an air temperature of 10°C is lower than the heat extracted at 40°C. The amount of total extracted heat at 10°C is 15% less than at 40°C. These results indicate the quantity of water vapor, absorbed until saturation, affects the mechanism of boiling heat transfer.
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Lee, PJ., Choi, H. & Lee, SH. The effect of ambient air condition on heat transfer of hot steel plate cooled by an impinging water jet. KSME International Journal 17, 740–750 (2003). https://doi.org/10.1007/BF02983869
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DOI: https://doi.org/10.1007/BF02983869