1. Department of Mechanical and Aerospace Engineering, Rutgers University, Piscataway, NJ 08854
2. Department of Chemical and Environmental Engineering, Yale University, New Haven, CT 06520
3. Department of Mechanical Engineering and Materials Science, Yale University, New Haven, CT 06520
4. New Jersey Governor's School of Engineering and Technology, Rutgers University, Piscataway, NJ 08854
5. Department of Chemical and Environmental Engineering, Yale University, New Haven, CT 06520; Department of Chemical and Environmental Engineering, University of Pennsylvania, Philadelphia, PA 19104
6. Department of Mechanical and Aerospace Engineering, Rutgers University, 98 Brett Road, Piscataway, NJ 08854 e-mail: