Time & Address: 1:30pm, Wednesday, May 15th; 教11-413
Speaker：Li (Emily) Liu
Mechanical, Aerospace, and Nuclear Engineering Department (MANE), Center for Materials, Devices, and Integrated Systems (CMDIS), and Center for Future Energy Systems (CFES)
Rensselaer Polytechnic Institute (RPI)
Title: The Integration of Scattering Experiments and Simulations in Energy and Medical Applications
We look into methodology development based on neutron and X-ray scattering techniques to “visualize” the complex phenomena. This visualization must integrate scattering experimental analysis, simulation, and theory to provide real space images of such phenomena. And their potential use in exploring energy, medical materials/imaging, and engineering processes is highly promising.
The purpose of this research is to develop the bridges among neutron and X-ray scattering experiments, their associated data analysis through liquid theory, and molecular dynamics (MD) simulation. The group utilized small-angle neutron scattering, quasi-elastic neutron scattering, inelastic neutron scattering, small-angle X-ray scattering, as well as MD simulations to probe the structural and dynamical response of materials at nano-scale and the intra-molecular water. These results shed light on the integration of scattering experiments, liquid theories, and MD simulations to characterize complex materials, especially liquids and glasses. And their potential use in exploring energy and medical materials is highly promising.
Dr. Liu is a tenured Associate Professor of Nuclear Engineering and Engineering Physics in the Department of Mechanical, Aerospace, and Nuclear Engineering at Rensselaer Polytechnic Institute (RPI). Dr. Liu earned PhD from Massachusetts Institute of Technology (2005) and B.S. from Peking University (1999). Liu recently received 2018-2019 ELATE at Drexel Fellowship, and in 2017 was awarded an Arab-American Frontiers Fellowship from the National Academies of Sciences, Engineering, and Medicine. She is also the recipient of a Faculty Development Grant from the U.S. Nuclear Regulatory Commission, and numerous teaching and research awards from School of Engineering at Rensselaer, as well as the Cozzarelli Prize in Engineering and Applied Sciences from the Proceedings of the National Academy of Sciences.
As a Physicist and Nuclear Engineer by training, Liu’s technical research is focused on solving high impact problems associated with energy and the environment through fundamental investigations into the structure-function relationships of materials. For this purpose she is developing fundamental bridges between scattering (neutron, X-ray, and light) spectroscopy and simulations (molecular dynamics and phase field) to investigate materials’ response.
Moreover, Liu’s science based communication/societal research extends into many areas. Collaborating with psychologists, she explores the technical and social aspects of a nuclear/radiological event, especially focusing on the emergency management and decision technologies to support preparedness, response, and recovery. Collaborating with financial engineers, she builds economic analysis to measure sustainability of advanced hybrid energy systems and develops new optimization economic/technical model for nuclear fuel cycle. Collaborating with course developers, she discovers innovations and exciting strategies for her courses.