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澳大利亚国立大学秦庆华教授学术报告

时间:2019-04-11 阅读:

报告题目:Finite element Analysis for heat transfer in Metal Foam System Filled with Phase Change Materials(相变材料填充泡沫金属系统传热的有限元分析)

 

报告人:秦庆华 教授 (澳大利亚国立大学)

 

报告时间:2019411日上午10:00-11:00

 

报告地点:南校区土木与交通工程学院C501会议室

 

 

报告内容提要:

The hybrid finite element model we developed is briefly introduced and applied to the heat transfer in Phase Change Materials (PCM). It is noted that the melting efficiency is often limited by the low thermal conductivity of PCMs. As a part of this work, numerical simulation is carried out for analyzing the enhanced heat transfer in the metal honeycomb foam system filled with PCMs. In the present PCM/FOAM model, octadecane is used as PCM, and the metal honeycomb foam with 96% porosity is employed as enhancer to improve the heat transfer performance in the PCM and accelerate its melting. The PCM/FOAM model is heated on one of surfaces with a constant heat flux so that the PCM can be heated from the solid state to the pure liquid state. The enhanced heat transfer in the PCM/FOAM model is numerically determined by the finite element technique. The numerical results obtained are compared with those for the pure PCM to illustrate the enhancing effect due to the presence of metal foam. Results show that the overall heat transfer rate can be increased by about 100% due to the addition of metal foam. Finally, the comparative analysis is carried out for different metal matrix materials and PCMs.

 

 

报告人介绍:

Qing-Hua Qin received his Bachelor of Engineering degree in mechanical engineering from Chang An University and earning his Master of Science degree and PhD degree from Huazhong University of Science and Technology (HUST) in China. Both MS and PhD are in applied mechanics. He joined the Department of Mechanics as an associate lecturer at HUST in 1984. After spending ten years lecturing at HUST, he was awarded a DAAD/K.C. Wong research fellowship in 1994, which enabled him to work at the University of Stuttgart in Germany for nine months. In 1995 he left HUST to take up a postdoctoral research fellowship at Tsinghua University, China, where he worked until 1997. He was awarded a Queen Elizabeth II fellowship in 1997 and a Professorial fellowship in 2002 at University of Sydney and stayed there till December 2003, both by the Australian Research Council, and is currently working as a professor, associate dean of the college, and group leader of materials and manufacturing group in the Research School of Engineering at the Australian National University, Australia. He was appointed a guest professor at HUST in 2000. He was also awarded a Cheung Kong Professorship at Tianjin University in 2001 from the Ministry of Education of China. He has published more than 300 journal papers and 8 English monographs in the field of applied mechanics.

 

 

中文简历:秦庆华(Qing-Hua Qin)教授,于1984年和1990年获华中科技大学固体力学专业硕士和博士学位,1994年获DAAD—王宽诚基金赴德国Stuttgart大学访问研究。1995-1997年到清华大学作博士后研究;19972002年分获澳大利亚研究理事会Queen Elizabeth II 研究员和Professorial Fellow位置,2004年至今在澳大利亚国立大学工学院担任教授、副院长 (2011-2013)、研究中心材料加工制造组的带头人等职位。2000年被聘为华中科技大学客座教授;2002年被天津大学聘为长江学者特聘教授。2017年起在深圳大学任特聘教授。在应用力学领域,已发表300多篇期刊论文,出版8部专著,获得澳大利亚科学院颁发的J. G. Russell奖。

 

 

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土木与交通工程学院

 

广东省滨海土木工程耐久性重点实验室

 

2019411

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