Inverse problem-coupled heat transfer model for steel continuous casting |
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| Affiliation: | 1. Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Linggong Road 2#, Dalian, CN 116024, China;2. School of Materials Science and Engineering, Dalian University of Technology, Linggong Road 2#, Dalian, CN 116024, China;3. Jiangsu Shagang Group, Zhangjiagang, CN 215625, China;1. School of Power Engineering, Chongqing University, Chongqing 400044, PR China;2. Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Chongqing University, Ministry of Education, Chongqing 400044, PR China;1. School of Materials Science and Engineering, Dalian University of Technology, Linggong Road 2#, Dalian, CN 116024, China;2. Chief Engineer Office, Jiangsu Shagang Group, Zhangjiagang, CN 215625, China;1. School of Automation, Shenyang Aerospace University, Shenyang 110136, PR China;2. College of Information Science and Engineering, Northeastern University, Shenyang 110819, PR China;3. State Key Laboratory of Synthetical Automation for Process Industries, Northeastern University, Shenyang 110819, PR China;4. LTI Lab., University of Picardie Jules Verne, Saint-Quentin 02100, PR France |
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| Abstract: | An integrated approach was proposed for determining the heat transfer coefficient, which combined inverse heat transfer calculation model with temperature measurement and pin-shooting experiment. Based on the roller-layout and spray nozzle distribution, the IHTP (inverse heat transfer problem) model was developed to calculate the secondary cooling heat transfer by means of non-linear estimate method. The method transformed the inverse problem of parameter identification into solution of optimization problem using evolutionary algorithm. With the help of temperature measurement and pin-shooting experiment, the whole procedure of the model solution for identification and application in continuous casting process was given. Simulation and experiment results in plant trial confirmed the efficiency of the method used. |
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| Keywords: | Heat transfer coefficient Secondary cooling Inverse problem Continuous casting |
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