在国际项目管理中心资助下,应理学院物理系周忠祥和袁承勋副教授的邀请,俄罗斯圣彼得堡国立大学等离子体物理专家Anatoly Kudryavtsev教授(目前已被聘为我校讲席教授)及其团队成员Eliseev Stepan博士等,来我校进行学术交流。近期举办系列学术报告,题目、时间和地点如下,报告内容涉气体放电动力学过程,等离子体物理数值模拟等,欢迎校内感兴趣的师生参加,后续报告通知持续更新中。
讲座信息如下:
题目4:Simple hybrid approach for simulations of DC glow discharges..
题目5:Analytical methods for description and analysis of DC glow discharges.
时间:2018年10月17日,下午14:00 ~17:00
题目6:Fluid simulations of thermionic devices and arc-discharge-based devices using COMSOL Multiphysics
时间:2018年10月18日,下午14:00 ~15:30
地点:哈工大理学楼 224室
Anatoly Kudryavtsev教授简介:
Anatoly Kudryavtsev教授是国际知名的气体放电及等离子体应用专家,是俄罗斯圣彼得堡国立大学物理学系教授。是“中俄等离子体物理应用技术联合研究中心”,俄方负责人,跟我校等离子体物理研究有长期合作。目前在研科研项目多项,其中多数为国际合作科研项目。其出版专著4部,国际发明专利5个,在国际权威期刊发表学术论文100多篇(均为SCI收录论文,含多篇PRL、APL及POP等国际顶尖专业期刊论文),其中含有多篇ESI高被引论文(是入选具有高H指数俄罗斯科学家‘共1775名’之一)。
Eliseev Stepan博士简介:
Eliseev Stepan博士毕业于圣彼得堡国立大学,从事等离子体数值模拟研究,尤其擅长利用COMSOL Multiphysics多物理场仿真软件等进行各种气体放电数值模拟,在国际权威期刊发表学术论文20多篇。
讲座提纲
4. Simple hybrid approach for simulations of DC glow discharges.
In this lecture I will present:
- the basic idea and formulation of simple hybrid approach for simulations of DC glow discharges
- demonstration of reproducibility of main discharge properties in simulations using the approach
- analysis of electron energy balance equation as formulated within the approach
- comparison with experiment, discussion of results
- formulation of models of DC discharges with gridded electrodes based on the simple hybrid approach and simulation results
- prospects for future work on the topic
5. Analytical methods for description and analysis of DC glow discharges.
In this lecture I will talk about:
- introduction about place of analytical models in moder ngas discharge physics
- formulation of an analytical model of a short (without positive column) DC glow discharge with step-by-step derivation of formulas for plasma density and current voltage characteristics
- same as previous, but with included account of charged particle losses on discharge walls
- demonstration of calculations using derived formulas and comparison with COMSOL experiment
- prospects of future work on the topic
6. Fluid simulations of thermionic devices and arc-discharge-based devices using COMSOL Multiphysics.
This one will include:
- overview of previous work on the topic (hollow cathodes for SPT-100 and MHD thrusters, what was done right and was done wrong)
- introduction into fluid simulations of discharges with thermionic emission
- overview of work on development of self-ignition technology
- concluding remarks