Bubble nucleation and dynamics, Sonoluminescence phenomena, Exergy and thermoeconomic analysis for thermal system

1981~ Professor, Chung-Ang University
1986~1987 Visiting Professor, Cornell University
1994~1997 Vice Dean for Research Affairs, Chung-Ang University
1996~1997 Editor for KSME Journal and KSME International Journal
1997~1999 Dean of College of Engineering, Chung-Ang University
2000~2000 Head for the Thermal Engineering Section in KSME
2003~2004 Chair, the Korea Section of ASME International
2003~2004 Chair for Engineering Division in the Korea Research Foundation
2004~ Editorial Board Member of International Journal of Exergy
2006~2010 Director for Research Team of “Application of Function Reinforced Materials” for Post BK21
2007 Byron Short Lecturer, The University of Texas at Austin
2008~2010 Board Member of Audit for KSME

2005 Namheon Award by Korean Society of Mechanical Engineers
2010 Thermal Engineering Award by Korean Society of Mechanical Engineers (KSME)