James J. Allen (1967 - 2008)

Assistant Professor

You can call or write to:

James J. Allen
New Mexico State University
Mechanical Engineering Department
POBox 30001/Dept 3450
Las Cruces, NM 88003-8001

Voice Phone: (505) 646-6546
FAX Phone: (505) 646-6111

You can reach me by e-mail at: jallen@nmsu.edu

Education

  • Ph.D. Mechanical Engineering, University of Melbourne, 1997
  • B.Eng, Mechanical Engineering, University of Melbourne, 1991

Research Interests

Vortex rings / Shear flows / Vortex sheets / Fluid structure interactions / PIV analysis of Prandtl movie

Rough wall boundary layers / Biological locomotion / Flow control

Professional Experience

7/04-1/08 Assistant Professor, Department of Mechanical Engineering, New Mexico State University
1/00-6/04 Senior Hyrdrodynamicist and engineering consultant, Ocean Power Technologies, Trenton, New Jersey
6/02-6/03 Visiting Research Scientist, University of Poitiers. Development and application of Proper Orthogonal Decomposition (POD) to turbulent shear flows.
4/99-6/02 Research Scientist, Gas Dynamics Laboratory, Department of Mechanical and Aerospace Engineering, Princeton University. Projects included development of piezoelectric power generators and High Reynolds Number flow experiments
6/98-3/99 Postdoctoral Research Fellow, Georgia Institute of Technology, Department of Mechanical Engineering, specializing in active flow control.
2/98-5/98 Postdoctoral Research Associate at Monash University. Project involved development of spectral code for a plane wake simulation.
3/98-5/98 Contract lecturer, Faculty of Engineering, University of Melbourne.

Consulting Activities

1/00-current Hydrodynamic design consultant on energy producing ocean buoys. Ocean Power Technologies, Trenton, New Jersey.

Recent Publications

  • Allen, J. J. & Chong, M. S. Experimental study of the vortex formed in front of a piston moving through a cylinder. Journal of Fluid Mechanics, 416, pp. 1-28, 2000.
  • Allen, J. J., Auvity, B. & Smits, A. J., Interaction of a vortex ring with a piston vortex. 9th International Symposium on flow visualization, Edinburgh, 22-25 August, 2000.
  • McKeon, B., Allen, J. and Smits, A.J. Experiments in the Princeton/ONR High Reynolds Number Test Facility (HRTF), European Turbulence Conference, Barcelona, 2000.
  • Allen, J. J. & Smits, A.J. Energy Harvesting Eel. Journal of Fluids and Structures 2001, 15, pp. 629-640.
  • Jimenez, J. M., Allen, J. J. & Smits, A. J. Preliminary velocity measurements in the wake of a submarine model. 4th International Symposium on Particle Image Velocimetry, Gottingen, Germany, September 17-19, 2001.
  • Allen, J.J., Techet,A.H., Kelso,R.M. and. Smits,A.J., Energy Harvesting Eel,14th Australasian Fluid Mechanics Conference, 10-14 December 2001
  • Techet, A.H., Allen, J.J., and Smits, AJ., Piezoelectric Eels for Energy Harvesting in the Ocean, Proc. ISOPE 2002. Kitakyushu, Japan, May 26-31, 2002.
  • Allen, J. J. & Auvity, B. Interaction of a vortex ring with a piston vortex. Journal of Fluid Mechanics, 465, pp. 353-378, 2002.
  • Naitoh, T. & Allen, J. J. Spanwise instability of a junction vortex. 10th International Symposium on flow visualization, Kyoto, August 26-29, 2002.
  • Buchholz, J.H.J. , Jimenez, J.M., Allen, J.J. and Smits, A.J. Hydrodynamics of thrust production in a fish-like flapping membrane. 13th International Symposium on Unmanned Untethered Submersible Technology (UUST) New England Center, Durham, New Hampshire, August 24-27, 2003.
  • Naitoh, T., Kondoh, M. and. Allen, J.J. Formation of vortex rings using at variable diameter orifice, Proc 2004, Meeting of Japan Society of Fluid Mechanics, pp. 622-623 (2004).
  • Allen, J.J. , Shockling, M.S. and Smits, A.J. Effects of Surface Roughness on High Reynolds Number Turbulent Pipe Flow, APS-DFD meeting Seattle, WA, November 21-23 2004.
  • Allen, J. J. & Naitoh T., Experimental study of the production of vortex rings using a variable diameter orifice, Physics of Fluids 17, 061701, 2005.
  • Bocenarga-Evans, H. & Allen, J.J., Wake-shear layer interaction using a soap film tunnel, Physics of Fluids, 17, 091112, 2005.
  • Smits A. J., Shockling, M. and Allen, J. Turbulent Flow in Smooth and Rough Pipes, AIAA Paper2005-4807, 35th AIAA Fluid Dynamics Conference, 6-9 June (2005), Toronto, Ontario, Canada
  • Allen, J.J. Shockling, M.A. and Smits, A.J., Evaluation of a universal transitional resistance diagram for pipes with honed surfaces, Physics of Fluids 17, 121702, (2005).
  • Jouanne, Y. and Allen, J.J., Interaction of a vortex ring with a sphere, Phys. Fluids 18, 091111 (2006) .
  • Shockling, M.A, Allen, J.J. and Smits, A.J., Roughness effects in turbulent pipe flow, Journal of Fluid Mechanics, (2006) 564, p267 2006.
  • Allen, J.J., Shockling, M.A., Kunkel, G.J. and Smits, A. J., Turbulent Flow in Smooth and Rough Pipes, Philosophical Transactions of the Royal Society, Series A, (2007), 365, no 1852, p699 2006.
  • Allen, J.J. and Naitoh, T., Scaling and instability of a junction vortex, , Journal of Fluid Mechanics, 574 , p1 (2007).
  • Allen, J.J. and Lopez, J.M., Transition process for junction vortex flow, Accepted Journal of Fluid Mechanics (2007)
  • Allen, J.J., Jouanne, Y. and Shashikanth, B.S., Vortex interaction with a moving sphere, submitted to Journal of Fluid Mechanics (2007)
  • Kunkel, G., Allen, J.J. and Smits, A.J., Further support for Townsend's reynolds number similarity hypothesis in high Reynolds number rough wall pipe flow Accepted Physics of Fluids (2007)

Scientific Societies

  • American Physical Society

Honors and Awards

  • 1991-1996 Australian Postgraduate Award
  • 1997 Fulbright Postdoctoral Award
 
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