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【学术校庆】 关于内华达大学陈一东教授学术报告的通知
发布时间:2018-07-12 浏览次数:

    报告题目Corrosion and Oxide Layer Growth Modeling Using Deterministic and Stochastic Methods

报告人:陈一东教授(Prof. Yitung Chen

时间:7月17日(星期二)上午10:00—11:00

地点:教育科技中心三楼中型会议室

主办单位:机电工程学院铁道车辆热工教育部重点实验室

报告摘要Firstly, a theoretical kinetic model based on the boundary layer theory was developed to investigate the corrosion/precipitation in non-isothermal lead alloy coolant systems. The analytical expressions of the local corrosion/precipitation rate and the bulk concentration of the corrosion products were obtained by considering a turbulent core region and a laminar sub-layer. Numerical solutions were also obtained together with considering the effect of eddy mass diffusivity in lead alloy systems. Secondly, a diffusion controlling oxide layer growth model with scale removal is built in oxygen containing lead alloys. Scale removal effect is considered and the formation mechanism of duplex oxide layer structure is analyzed in the model. Finally, the oxide layer growth process together with the diffusion of oxygen and ionic metal is studied from a mesoscopic level based on an improved cellular automata (CA) model.Some results from the developed models were compared with the available experimental data and good agreement was attained.

主讲人简介:

陈一东博士:内华达大学教授,西安交通大学兼职教授,UNLV能源研究中心主任,美国中国热工协会(CATEA)会长,美国机械工程协会理事。1991年获犹他州大学博士学位。主持美国能源部(DOE),美国科学基金(NSF),美国国防部(DOD),美国环境保护署(EPA),美国国家航空航天局(NASA)及美国国家海洋和大气管理局(NOAA)等部门的研究项目多项,获批超过1475万美元的研究资金。出版2部论著,发表论文125余篇。国际著名的计算流体、核反应、风能和腐蚀建模领域的专家,在校任职期间曾获得多次优秀教师、杰出学者以及科研奖励。

机电工程学院

2018.7.12

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