|  | Appointment: 
			
			Department of Mechanical Eng., 
			
			Univ. of Maryland, College Park, MD 
			
			Current Rank: 
			
			Research Professor since 2013 Education Research
          Interests
          
             
				
				
				
				Working Fluid Mixtures 
				
				
				Flow Boiling and Supercritical Heat Transfers
				
				
				Compact Heat Exchangers
				
				
				Vapor Compression and Sorption Cycles 
				
				
				Alternative Cooling Technologies and Applications 
				
				
				Advanced Energy Conversion Systems and Integration of Thermal 
				Systems 
				
				
				Renewable Energy
				
				
				Waste Heat Utilization Career 
			
				| 
				
				2009-Present | 
				
				Associate Director, Center for Environmental 
				Energy Engineering, College Park, MD |  
				| 
				
				2013-Present | 
				
				Research Professor, Dept. of Mechanical Eng., 
				Univ. of Maryland, College Park, MD |  
				| 
				
				2004-2013 | 
				
				Research Associate Professor, Dept. of Mechanical 
				Eng., Univ. of Maryland, College Park, MD |  
				| 
				
				1996-1997 | 
				
				Faculty Research Assistant, Dept. of Mechanical 
				Eng., Univ. of Maryland, College Park, MD |  
				| 
				
				1983-1993 | 
				
				Senior Researcher, R&D Center, Samsung 
				Electronics Co., Suwon-city, Korea |  
			Last Updated  
			September 2013 |