Dr. Hooman V. Tafreshi
Assistant Professor
Department of Mechanical Engineering
Email: htafreshi@vcu.edu
Phone: (804) 828-9936
Fax: (804) 827-7030
Website: http://www.people.vcu.edu/~htafreshi
Address
401 W. Main Street, Room E3242
P.O. Box 843015
Richmond, Virginia 23284-3015
Education
- Ph.D., Mechanical Engineering (1997-2000)
Lappeenranta University of Technology, Finland - M.Sc, Mechanical Engineering (1995-1997)
University of Tehran, Iran - B.Sc., Mechanical Engineering (1990-1995)
K.N.T. University of Technology, Tehran, Iran
Research Activities
- Modeling and Experiment on Waterjets and Nozzle Cavitation
- Aerosols Flows and Nanoparticle Filtration
- Nanoparticle Focusing and Deposition
- Fluid Transport in Fibrous Porous Media
- Heat and Mass Transfer
- Molecular Dynamics Simulation of Granular Materials
Recent Publications
- S. Jaganathan, H. Vahedi Tafreshi, and B. Pourdeyhimi, "On the Pressure Drop Prediction of Filter Media with Bimodal Fiber Diameter," Powder Technology (in press).
- Q. Wang, B. Maze, H. Vahedi Tafreshi, and B. Pourdeyhimi, "On The Pressure Drop Modeling of Monofilament Woven Fabrics," Chemical Engineering Science (in press).
- B. Maze, H. Vahedi Tafreshi, Q. Wang, and B. Pourdeyhimi, "Unsteady-state Simulation of Nanoparticle Aerosol Filtration via Nanofiber Electrospun Filters at Reduced Pressures," Journal of Aerosol Science (in press).
- N. Anantharamaiah, K. Roempert, H. Vahedi Tafreshi, and B. Pourdeyhimi, "A New Design for Nozzle Strips of Hydroentangling Process for Minimizing Jet Marks on the Fabrics," Journal of Materials Science (in press).
- S. Jaganathan, H. Vahedi Tafreshi, and B. Pourdeyhimi, "The Influence of Forming Surface on the Vacuum Pressure in Hydroentangling Process," Journal of Textile Institute (in press).
- M. Latifi, H. Vahedi Tafreshi, and B. Pourdeyhimi, "A Note on an Optical Method to Evaluate Fiber Dispersion in Wet-laid Nonwoven Process," Textile Research Journal (in press).
- S. Jaganathan, H. Vahedi Tafreshi, B. Maze, and B. Pourdeyhimi, "Simulating Liquid Flow through Virtual Glass Fiber Mats," Textiles Research Journal (in press).
- N. Anantharamaiah, H. Vahedi Tafreshi, and B. Pourdeyhimi, "Predicting Inlet Roundness of Hydroentangling Nozzles via CFD Simulations," Journal of Micromechanics & Microengineering, 17(5), N31, 2007.
- B. Pourdeyhimi, B. Maze, and H. Vahedi Tafreshi, "Simulation and Analysis of Un-bonded Nonwoven Fibrous Structures" Journal Engineered Fibers & Fabrics, 1(2), 47, 2006.
- Q. Wang, B. Maze, H. Vahedi Tafreshi, and B. Pourdeyhimi, "A Note on Permeability Simulation of Multifilament Woven Fabrics," Chemical Engineering Science, 61, 8085, 2006.
- K. Wegner, P., Piseri, H. Vahedi Tafreshi, and P. Milani, "Cluster Beam Deposition: A Tool for Nano-scale Science and Technology," Journal of Physics D: Applied Physics, 39, R439, 2006.
- N. Anantharamaiah, H. Vahedi Tafreshi, and B. Pourdeyhimi, "A Study on Hydroentangling Waterjets and their Impact Forces," Experiments in Fluids, 41(1), 103, 2006.
- Q. Wang, B. Maze, H. Vahedi Tafreshi, and B. Pourdeyhimi, "A Case Study of Simulating Submicron Aerosol Filtration via Spun-bonded Filter Media," Chemical Engineering Science, 61, 4871, 2006.
- N. Anantharamaiah, H. Vahedi Tafreshi, and B. Pourdeyhimi, "Numerical Simulation of the Formation of Constricted Waterjets in Capillary Nozzles: Effects of Nozzle Geometry," Chemical Engineering Research & Design, 84(A3), 231, 2006.
- N. Anantharamaiah, H. Vahedi Tafreshi, and B. Pourdeyhimi, "A Study on Deterioration of Hydroentangling Nozzles due to Erosion and Particle Accretion," Chemical Engineering Science, 61, 4582, 2006.
- H. Vahedi Tafreshi, P. Piseri, G. Benedek, and P. Milani, "The Role of Gas Dynamics in Operation Conditions of a Pulsed Microplasma Cluster Source for Nanostructured Thin Films Deposition," Journal of Nanoscience & Nanotechnology 6, 1140, 2006.
- H. Vahedi Tafreshi, E. Ercan, and B. Pourdeyhimi, "Calculating Mass Transfer from Vertical Wet Fabrics Using a Free Convection Heat Transfer Correlation," Heat & Mass Transfer, 42(9), 767, 2006.
- P. Piseri, H. Vahedi Tafreshi, and P. Milani, "Manipulation of Nano-particles in Supersonic Beams for the Production of Nanostructured Materials," Current Opinion in Solid State & Material Science, 8, 195, 2004.
- H. Vahedi Tafreshi and B. Pourdeyhimi "Cavitation and Hydraulic Flip," Fluent News, 13(1), 38, 2004.
- H. Vahedi Tafreshi and B. Pourdeyhimi, "Simulation of Cavitation and Hydraulic Flip inside Hydroentangling Nozzles," Textile Research Journal, 74(4), 359, 2004.
- Begenir, H. Vahedi Tafreshi, and B. Pourdeyhimi, "Effects of the Nozzle Geometry on Hydroentangling Waterjets: Experimental Study," Textile Research Journal, 74(2), 178, 2004.