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Focus Area

Fluid Dynamics, Turbulence, Aerodynamics, Geophysical Flows, Biomechanics

Education

Ph.D., Aeronautical and Astronautical Science (minor, Physics), Stanford University, 1979
M.S., Aeronautical and Astronautical Engineering, Stanford University, 1976
B.S., Aerospace Engineering, University of Maryland, 1973

Faculty Positions

July 2019 - June 2022: Guest Professor of Computational Biopharmaceutical Mechanics, Uppsala University, Sweden.
Sep. 2015 - Present: Research Professor of Aerospace Engineering Sciences, ²ÊÃñ±¦µä
May 2016 - Present: Affiliate Professor, Atmospheric and Oceanic Sciences (ATOC), ²ÊÃñ±¦µä
Sep. 2015 - Present: Professor Emeritus and Adjunct Professor of Mechanical Engineering, Pennsylvania State University
2006 - Aug. 2015: Professor of Mechanical Engineering, Biomedical Engineering and Mathematics, Pennsylvania State University
1996 - 2006: Professor of Mechanical Engineering, Biomedical Engineering and Mathematics, Pennsylvania State University
1992 - 1996: Associate Professor of Mechanical Engineering and Bioengineering, Pennsylvania State University
1988 - 1992: Assistant Professor of Mechanical Engineering and Bioengineering, Pennsylvania State University
1985 - 1988: Assistant Professor of Mechanical Engineering, Clemson University

Other Professional Experience

June 2021, 2022: Faculty for the Lille Turbulence Programs 2021, 2022 and Visiting Professor at Centrale Lille, France.
Jan. 2018 - Present: Affiliate Scientist, National Center for Atmospheric Research (NCAR), Boulder, CO
Sept - Oct 2016: Visiting Scientist, University of Rome Ter Vergata, Italy
June 2014, July/Aug 2013: Visiting Scientist, National Center for Atmospheric Research
May - Aug 2012: National Renewable Energy Lab (National Wind Technology Center), Visiting Scientist
Aug 2011 - April 2012: ASP Faculty Fellow, National Center for Atmospheric Research
March 2005, June-Aug 2007: Visiting Professor, Imperial College London
Oct - Nov 2004: University of Kyoto, Japan, Visiting Professor
Jan - July 1999: Isaac Newton Institute for Mathematical Sciences, University of Cambridge, England, Visiting Scientist
Feb - April 1995, June-July 1992: Ecole Centrale de Lyon, France, Visiting Professor
Aug 1994 - Jan 1995: Los Alamos National Laboratory, Visiting Scientist
June - Aug 1997, 1998: Center for Turbulence Research, Stanford University and NASA Ames Research Center, Visiting Scientist
1983 - 1995: Johns Hopkins University, Department of Chemical Engineering, Postdoctoral Fellow
1980 - 1982: University of Southampton, England, Postdoctoral Fellow
1979 - 1980: NASA Ames Research Center, NRC Research Associate

Awards (selected)

Elected Inaugural Chair of the APS Topical Group on the Physics of Climate (GPC), 2012
Elected Fellow of the American Physical Society (via the Division of Fluid Dynamics) 2009
Elected to the Executive Committee of the American Physical Society 2008
Elected to the Permanent Scientific Committee of the World Organization for Specialized Studies on Diseases of the Esophagus (OESO) 2007
Inducted into The Johns Hopkins University Society of Scholars 2000
Elected President of the Dysphagia Research Society 1999

Research Interests

Turbulence physics, turbulent flows, and turbulent combustion; Geophysical turbulence and micro/mesoscale meteorology; large-eddy simulation and direct numerical simulation of turbulence flows; wind energy and wind turbine dynamics; computational fluid dynamics and high-performance computing; biofluid dynamics, muscle mechanics, physiology and mechanics of gastro-intestinal function; pharmaceutical transport, dissolution, bioequivalence and absorption in the GI tract; image analysis and scientific visualization.

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