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Personal Webpage
| | Dr. Chang-Hwan Choi | | Assistant Professor | | Location: | 204 Carnegie | | Phone: | 201.216.5579 | | Fax: | 201.216.8315 | | Email: | cchoi@stevens.edu |
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ME 342:Fluid Mechanics
Properties of a fluid, basic flow analysis techniques, fluid kinematics, hydrostatics, manometry, pressure distribution in rigid body motion of a fluid, control volume analysis, conservation of mass, linear and angular momentum, Bernoulli and energy equations, dimensional analysis, viscous flow in pipes, flow metering devices, external flows, estimation of lift and drag, turbo-machinery, open channel flow. |
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| | School: Schaefer School of Engineering & Science | | Department: Mechanical Engineering | Program: Nanotechnology / Mechanical Engineering
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| | | Education | - Ph.D., Department of Mechanical and Aerospace Engineering (Concentration in MEMS/Nanotechnology), University of California at Los Angeles (UCLA), 2006
- M.S., Division of Engineering (Concentration in Fluids, Thermal, and Chemical Processes), Brown University, 2002
- M.S., Department of Aerospace Engineering, Seoul National University (Korea), 1997
- B.S. (Magna cum Laude, with Honors), Department of Aerospace Engineering, Seoul National University (Korea), 1995
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| | | Research | - Nanomanufacturing
- Microfluidics and Nanofluidics
- Nano and Bio Mechanics
- Optofluidic Sensors
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| | | Appointments | - Assistant Professor, Department of Mechanical Engineering, Stevens Institute of Technology, January 2007 - present
- Researcher, Satellite Division, Korea Aerospace Research Institute (Korea), December 1999 - June 2000
- Lecturer, Foreign Language Department, Chandrakasem Rajabhat University (Thailand), March 1997 - November 1999
- Assistant Researcher, Satellite Division, Korea Aerospace Research Institute (Korea), February 1996 - December 1996
| | Institutional Service | | Organizer: The 1st Stevens ME Dept. MEMS/NEMS Student Meeting (October 19, 2007)Coordinator: Workshops on Biomaterials Sciences and Engineering (2007-2008)Technical Program Committee: The 1st Metro Area MEMS/NEMS Workshop (July 23, 2007)Session Chair: The 4th Annual DMI/ME Research Conference (May 16-17, 2007) |
| | | Professional Service | - Reviewer (Journal): Applied Surface Science (2007), Biomaterials (2007), Journal of Fluids Engineering (2006), Journal of Microelectromechanical Systems (2003, 2004), Lab on a Chip (2007), Langmuir (2007), Microfluidics and Nanofluidics (2007), Nanotechnology (2007), Philosophical Transactions (2007), Physical Review E (2007), Physical Review Letters (2006, 2007)
- Reviewer (Conference Proceedings): ASME IMECE (2003, 2007)
- Reviewer (Grant Proposal): the City University of New York Internal Research Award Program (2008)
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| | | Honors & Awards | - NSF Fellowship, National Science Foundation (Summer Institute on Nano Mechanics and Materials), 2007
- KUSCO/KSEA Scholarship, Korea-U.S. Science Cooperation Center/Korean-American Scientists and Engineers Association, 2006
- Graduate Fellowship, California NanoSystems Institute, 2002
- Engineering Research Fellowship, Brown University, 2000
- National Fellowship, Korean Government, 2000
- 'Magna cum laude' Honors, Seoul National University, 1995
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| | | Professional Societies | - Member, American Society of Mechanical Engineers (ASME), 2005 - present
- Member, Institute of Electrical and Electronic Engineers (IEEE), 2005 - present
- Member, Korean-American Scientists and Engineers Association (KSEA), 2005 - present
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| | Books
C.-H. Choi, C.-J. Kim. "Design, Fabrication, and Applications of Large-Area Well-Ordered Dense-Array Three-Dimensional Nanostructures", Nanostructures in Electronics and Photonics, Faiz Rahman, Pan Stanford Publishing. (2008) (invited).
Journals
S. Heydarkhan-Hagvall, C.-H. Choi, J. Dunn, S. Heydarkhan, K. Schenke-Layland, W. R. MacLellan, R. E. Beygui. "Influence of Systematically Varied Nano-Scale Topography on Cell Morphology and Adhesion", Cell Communication & Adhesion 14, 181-194 (2007)
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C.-H. Choi, S. H. Hagvall, B. M. Wu, J. C. Y. Dunn, R. E. Beygui, C.-J. Kim. "Cell Interaction with Three-Dimensional Sharp-Tip Nanotopography", Biomaterials 28, 1672-1679 (2007).
C.-H. Choi, C.-J. Kim. "Fabrication of Dense Array of Tall Nanostructures over a Large Sample Area with Sidewall Profile and Tip Sharpness Control", Nanotechnology 17, 5326-5333 (2006).
C.-H. Choi, C.-J. Kim. "Choi and Kim Reply (A Reply to the Comment on ‘Large Slip of Aqueous Liquid Flow over a Nanoengineered Superhydrophobic Surface’)", Physical Review Letters 97, 109602 (2006)
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C.-H. Choi, U. Ulmanella, J. Kim, C.-M. Ho, C.-J. Kim. "Effective Slip and Friction Reduction in Nanograted Superhydrophobic Microchannels", Physics of Fluids 18, 087105 (2006) (also in Virtual Journal of Nanoscale Science & Technology 14(10), September 4, 2006)
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C.-H. Choi, C.-J. Kim. "Large Slip of Aqueous Liquid Flow over a Nanoengineered Superhydrophobic Surface", Physical Review Letters 96, 066001 (2006) (also in Virtual Journal of Nanoscale Science & Technology, 13(8), February 27, 2006).
C.-H. Choi, K. J. A. Westin, K. S. Breuer. "Apparent Slip Flows in Hydrophilic and Hydrophobic Microchannels", Physics of Fluids 15, 2897-2902 (2003)
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K. J. A. Westin, C.-H. Choi, K. S. Breuer. "A Novel System for Measuring Liquid Flow Rates with Nanoliter per Minute Resolution", Experiments in Fluids 34, 635-642 (2003).
Magazine
C.-H. Choi, S. H. Hagvall, B. M. Wu, J. C. Y. Dunn, R. E. Beygui, C.-J. Kim. "The Year in Images", Biomaterials 2007 .
C.-H. Choi, C.-J. Kim. "Researchers Discover No-slip Condition Does Not Hold at the Nanoscale", (2006). UCLA Engineer .
C.-H. Choi, C.-J. Kim. "A Superhydrophobic Surface", (2006). Physics News Update: The AIP Bulletin of Physics News .
| | Conference
C.-H. Choi, S. H. Hagvall, J. C. Y. Dunn, B. M. Wu, C.-J. Kim. "Cell Adhesions on NanoTurf Surfaces", Proceedings of MEMS 2006: The 19th International Conference on Micro Electro Mechanical Systems
. January 22-26, 2006, Istanbul, Turkey.
C.-H. Choi, C.-J. Kim. "Measurement of Liquid Slip on NanoTurf Surfaces", Proceedings of NANO2005 Integrated Nanosystems: Design, Synthesis and Applications
. September 14-16, 2005, University of California, Berkeley, CA, USA.
C.-H. Choi, C.-J. Kim. "Control of Sidewall Profile of Silicon Nanostructures in Bosch Process and Its Use for Sharp Tip Fabrication", Proceedings of UKC2005: The 2005 US-Korea Conference on Science, Technology, & Enterpreneurship. August 11-13, 2005, Irvine, CA, USA.
C.-H. Choi, C.-J. Kim. "Fabrication of Silicon Nanostructures with Various Side Wall Profiles and Sharp Tips", Proceedings of Transducers’05: The 13th International Conference on Solid-State Sensors, Actuators and Microsystems. June 5-9, 2005, Seoul, Korea.
C.-J. Kim, C.-H. Choi. "Nano-engineered Low Friction Surface for Liquid Flow", Proceedings of the 6th KSME-JSME Thermal and Fluids Engineering Conference. March 20-23, 2005, Jeju, Korea.
C.-H. Choi, J. Kim, C.-J. Kim. "NanoTurf Surfaces for Reduction of Liquid Flow Drag in Microchannels", Proceedings of NANO2004 Integrated Nanosystems: Design, Synthesis and Applications. September 22-24, 2004, Pasadena, CA, USA.
C.-H. Choi, K. J. A. Westin, K. S. Breuer. "To Slip or Not to Slip: Water Flows in Hydrophilic and Hydrophobic Microchannels", Proceedings of ASME IMECE. November 2002, New Orleans, LA, USA.
K. J. A. Westin, C.-H. Choi, P. Huang, Z. Cao, K. S. Breuer, B. Caswell, P. Richardson, M. Sibulkin. "Liquid Transport Properties in Submicron Channel Flows", Proceedings of ASME IMECE. November 2001, New York, NY, USA.
K. J. A. Westin, C.-H. Choi, K. S. Breuer. "Rheological Shear Experiments in Micron Scale Geometries", Proceedings of the 5th International Conference on Micro Total Analysis Systems (MicroTAS2001). October 2001, Monterey, CA, USA.
TV/Video/Radio
C.-H. Choi, C.-J. Kim. "Novel method simplifies large-scale nanofabrication process", (2006). Nanowerk .
C.-H. Choi, C.-J. Kim. "Weniger Reibung durch spitze Nadeln", (2006). Deutschlandfunk: German National Public Radio .
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