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Characteristics of the Instantaneous Kinetic Energy and Agitating Intensity Index for the Bath Flow under Various Bottom Regiment Configurations

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Abstract

In this study, the influence of the bottom mixing system on the balance characteristics of instantaneous kinetic energy was analyzed by devising the regiment configuration of the bottom nozzles. The results indicated that the stirring strength of the case with the regiment distribution is higher due to the synergy of gas streams. The time required for the kinetic energy to reach the equilibrium state is the shortest at a gas flowrate of 960 Nm3 h−1. It is suggested that the arrangement of bottom tuyeres located on the line of the same circumference should not be dispersed to reduce the convection effect and the dissipation of kinetic energy. To reflect the flow conditions inside the bath, the agitating intensity index was defined in the investigation. When the outer nozzles are located at a pitch circle diameter ratio of 0.7, the maximum index is 1.94 × 10−3.

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Acknowledgements

The authors are grateful for the financial support by the National Key R&D Project of China (2021YFB3702000), the National Natural Science Foundation of China (NSFC)(U20A20272), the Key project of Handan Scientific Research Program (21122015004), the State Key Laboratory of Marine Equipment and Applications - University of science technology of Liaoning united fund (HGSKL-USTLN202101), the National Natural Science Foundation of China (Grant NO.NSFC52074151) and the Department of Science & Technology of Liaoning Province (Grant NO.2022JH2/101300079).

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  1. School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan, 114051, Liaoning, China

    Xinyu Gao, Peng Han, Bin Yang & Kun Liu

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  1. Xinyu Gao
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Correspondence to Peng Han.

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Gao, X., Han, P., Yang, B. et al. Characteristics of the Instantaneous Kinetic Energy and Agitating Intensity Index for the Bath Flow under Various Bottom Regiment Configurations. Trans Indian Inst Met (2024). https://doi.org/10.1007/s12666-023-03248-x

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