October 2013 to present: Professor and Tenured Professor, Department of Energy and Power Engineering, Tsinghua University

From December 1999 to October 2013: Associate Professor and Professor/ Vice Dean and Deputy Chief Engineer, Institute of Nuclear Energy Technology, Tsinghua University

From September 1998 to December 1999: Postdoctoral scientist, Department of chemical engineering, Yale University, USA

From December 1989 to September 1994: Assistant Professor, Institute of Nuclear Energy Technology, Tsinghua University

Editorial board member of the following journals:

“PARTICUOLOGY”

“International Journal of Nuclear Energy Science and Technology”

“Nuclear Power Engineering”

“Fluid Machinery”

“Chinese Journal of Turbomachinery”

“China Powder Science and Technology”

Permanent Advisory Board Member (former President) of International Association International for Structural Mechanics in Reactor Technology (IASMiRT).

Executive Board Member of Chinese Society of Particuology

Vice president of Fluid Machinery Branch of China Mechanical Engineering Society

Member of International Committee of Magnetic Bearings

Chairman of the National Magnetic Suspended Technical Committee

Member of ASME Working Group on Nonmetallic Design and Materials (SG HTR)(BPV III)

Member of the National Microgravity Science and Application Committee

Member of Standardization Administration of P. R. China/Technical Committee

Aerosols: Researches on aerosol dynamics, mechanism of particle hygroscopic growth, dynamics of radioactive aerosol coagulation, thermophoresis and diffusiophoresis, deposition of particles, precipitation mechanism of aerosols under variable gravity, formation mechanism of combustion particles, microgravity combustion and particle dynamics;

Magnetic Bearings: engaged in the research and development of active magnetic bearing and magnetic suspension rotating machinery, proposed the control method of non-differential magnetic bearing, developed the anti-impact technology of electromagnetic bearing, redundant fault tolerance technology of control system, and composite support technology of electromagnetic bearing, and applied active control magnetic bearing to vibration and noise reduction of rotating machinery;

Nuclear Reactor Engineering: Research on aerosol evolution behavior under severe accident, research on oxidation mechanism of nuclear graphite and graphite mechanical irradiation performance, research on reactor structural mechanics and energy conversion of high temperature gas cooled reactor.

Current Main Research Projects as the PI:

1. Research on aerosol migration and thermodynamic phenomena under NPP severe accidents, state key research and development project 2020YFB1900081

2. Research on coupling mechanism and design method of magnetic bearing and supporting parts, national key research and development project 2018YFB2000103

3. Flame instabilities affected by voices and acoustic waves (fiavaw), the first round of cooperation under the framework of "UN / China cooperation on Chinese Space Station" (2019)

2020: the second prize of Natural Science Award of Chinese Society of Particuology (Research on the evolution mechanism of graphite dust in high temperature gas cooled reactor);

2015: ICONE (International Conference on Nuclear Engineering) Award;

2005: Winner of " Program for New Century Excellent Talents " of Ministry of Education;

2004: “Excellent Teacher in Beijing”

More than 50 patents have been awarded, such as "magnetic bearing rotor system multifunctional test bench" (201810398960.6);

"The new technology in high temperature gas cooled reactor" (Daly City, USA: visual press, 2009) and other four monographs;

More than 300 academic papers have been published, including more than 80 SCI indexes and 160 EI indexes. Recent representative papers are as follows:

1. Nonlinear dynamic simulation and parametric analysis of a rotor-AMB-TDB system experiencing strong base shock excitations，Mechanism and Machine Theory，vol. 155，2021.

2. A review of HTGR graphite dust transport research，Nuclear Engineering and Design, vol. 360，2020.

3. Vibration isolation optimized design of magnetic suspended pump，International Journal of Applied Electromagnetics and Mechanics，2020，63:81–103.

4. A novel moment method using the log skew normal distribution for particle coagulation，Journal of Aerosol Science，2019，134: 95-108.

5. The microstructure and texture of Gilso-carbon graphite，Carbon, 2019，153：428-437.

6.A new approximation approach for analytically solving the population balance equation due to thermophoretic coagulation，Journal of Aerosol Science，2019，128: 125-137.

7. Experimental study of thermophoretic deposition of HTGR graphite particles in a straight pipe，Progress in Nuclear Energy，2018，107: 136-147。

8. Resuspension of multilayer graphite dust particles in a high temperature gas-cooled reactor，Nuclear Engineering and Design，2017，322:497-503。