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Principal Investigator

 

Paulo Arratia

 

parratia@seas.upenn.edu

 

 

 

Graduate Students

 

Mahmut Selman Sakar

 

Lichao Pan

 

Lichao Pan joined the Penn Complex Fluids Lab in September 2008 as a graduate student. She obtained her B.S. (2008) in Microelectromechanical system (MEMS) from Tsinghua University, Beijing, China. Her research involves elastic instabilities, micro-fabrication of micro-fluids measurement devices.

 

 

Xiaoning Shen

 

Xiaoning Shen joined the Complex Fluid Lab at Sep. 2008, as a Ph.D. student. He obtained his BSc degree (2008) in mechanics department of Peking University. His current interests lie in the mutual interaction between worms and visco-elastic fluid, and modeling the swimming process of worms. He is an ardent lover for beauty and elegancy of the fluid mechanics with its ever changing patterns and waves. His dream is to understand the nature of fluid with simple math.

 

 

 

 

Heather Denver

 

Heather Denver entered the PhD program at Penn in September 2008 after completing a BS (2006) and MS (2008) in mechanical engineering from Rensselaer Polytechnic Institute and a BA (2005) in mathematics from Russell Sage College. She was awarded a graduate research fellowship by the national science foundation in 2008. She is currently studying the rheology of red blood cells through a contraction in a microchannel. Outside of the lab, she keeps busy with her 7 year old son enjoying activities including snowboarding and hiking.

 

 

 

Undergraduate Research Assistants

 

Barry Ethan Scharfman

 

Barry is a fifth year senior dual-majoring in Mechanical Engineering and Applied Mechanics and Operations and Information Management at the Wharton School. He is also pursuing a minor in Mathematics. Barry has been a member of the Penn Electric Race Team, has written for the Penn Triangle, has worked for Lockheed Martin Commercial Space Systems in Newtown, PA, and has been involved in research at the Institute for Medicine and Engineering at Penn. He is the Penn Complex Fluids Lab's Webmaster and is also researching elastic instabilities in microchannels.

 

 

 

Cynthia Ericksen

 

 

Past Members

 

Laura Anne Cramer

 

Laura Anne is a fourth year Mechanical Engineering and Applied Mechanics Undergraduate. She assists Dr. Arratia with research on drop breakup in microchannels. Outside of the lab she studies hard and plays hard with Penn’s Formula SAE team.

 

 

 

Cindy Lee

 

Hello! I am a senior here at the University of Pennsylvania and I am studying Mechanical Engineering with minors in Economics and Mathematics. I am originally from Boston and with that of course loyalty to the Red Sox. My research project under Professor Arratia is studying what is the fluid dynamics of a drop impact upon a curvilinear surface. There is great abundance of research of the drop impact on a solid surface and while there may not be any difference with a curvilinear surface, this area of research is quite new.

 

 

 

Drazen Dragutinovic

 

Drazen, who is originally from Serbia, is a senior in Mechanical Engineering and Applied Mechanics and is also pursuing minors in Mathematics and Economics. The main focus of his research is the drop impact experiments where the length scale of the impact surface is of the same order of magnitude as the drop itself. Outside of school, Drazen enjoys playing football and soccer, and is a die-hard fan of the Boston sports teams.

 

 

 

Joel Tchoufag

 

Joel Tchoufag is a one-year exchange student at Penn, coming from UTC (Universite de Technologie de Compiegne) in France. Although he is majoring in Mechanical Engineering, he has always been interested in research since he started learning Physics. All of the theorems and complex laws of nature have always fascinated his curiosity. He enjoys learning new things and has a real passion for soccer. 

 

 

 

Kevin Lu

 

Kevin Lu joined the lab in June, 2008 after obtaining his B.S. (2003) from Rutgers University and both M.S. (2005) and Ph.D. (2008) from the University of California at Los Angeles. His research involves theoretical and experimental work in the field of granular physics and its related topics of jammed systems and bio-locomotion. Currently, he is studying how tiny worms (c. elegans) swim across a sea of densely-packed glass beads.

 

 

 

Josué Sznitman

 

Josué Sznitman joined the Penn Complex Fluids Lab in January 2008 as a Posdoctoral Research Associate. He obtained his BSc (2002) in mechanical engineering from MIT and both MSc (2003) and PhD (2007) in mechanical engineering at the Institute of Fluid Dynamics, ETH Zurich (Swiss Federal Institute of Technology). His research focused on low-Reynolds respiratory fluid mechanics in the pulmonary acinus of the lung, in relation to aerosol transport. His general interests lie in experimental fluid dynamics and in particular in biological flows and low Reynolds number flows. Please visit my personal webpage.