Research Centers and Labs
Applied Computational Fluid Dynamics Laboratory
The applied computational fluid dynamics (CFD) lab at the Mechanical Engineering Department was established to use CFD as an analysis tool to understand the transport phenomena (fluid dynamics, heat and mass transfer, chemical reactions and electromagnetic effects) in industrial processes and as a design tool to optimize engineering components and system design. Multiphysics modeling and simulations are carried out to study transport phenomena and thermally induced stress in various industrial processes and engineered systems, such as energy conversion, automobile aerodynamics, electronics cooling, HVAC(heating ventilation and air conditioning), welding, casting, etc.
Facilities
The simulation are based on in-house codes (using finite-volume method) and commercial codes (STAR-CCM+ and ANSYS), and mathematical modeling software tool (MatLab). CAD software Pro-Engineer (ProE) and STAR-Design are used for solid modeling. The high performance computing needs are served by the existing computing infrastructure at UB. The School of Engineering at UB has six computer laboratories, which house 135 high performance PCs/HP workstations and 25 Sun Microsystems stations. In addition, two 64-bit high performance HP workstations were acquired for the CFD lab through a UB Seed Money Grant.
Current projects
- Modeling transport phenomena in welding processes
- Thermal management of electronics devices and
- Modeling transport phenomena in renewable energy system
- Indoor air quality control
- Automobile aerodynamics
- Air and spacecraft aerodynamics
- Sport related aerodynamics
- H. Guo, J. Hu and H. L. Tsai, “Three-Dimensional Modeling of Gas Metal Arc Welding of Aluminum Alloys”, Journal of Manufacturing Science and Engineering, in print.
- H. Guo, J. Hu and H. L. Tsai, “Numerical Modeling of Cold Weld Formation and Improvement in GMAW of Aluminum Alloys”, Numerical Heat Transfer, Part A: Applications, 57 (2010) 392-414.
- H. Guo, J. Hu and H. L. Tsai, “Formation of weld crater in GMAW of aluminum alloys”, International Journal of Heat and Mass Transfer, 52 (2009) 5533-5546.
- G. Xu, J. Hu and H. L. Tsai, “Three-dimensional modeling of arc plasma and metal transfer in gas metal arc welding”, International Journal of Heat and Mass Transfer, 52 (2009) 1709-1724.
- G. Xu, J. Hu and H. L. Tsai, “Three-Dimensional Modeling of the Plasma Arc in Arc Welding”, Journal of Applied Physics, 104, 103301 (2008).
- J. Hu and H. L. Tsai, “Modeling of Transport Phenomena in 3D GMAW of Thick Metal with V-Groove”, Journal of Physics D: Applied Physics, 41 (2008) 065202 (10pp).
- J. Hu, H. Guo and H. L. Tsai, “Weld Pool Dynamics and the Formation of Ripples in 3D Gas Metal Arc Welding”, International Journal of Heat and Mass Transfer 51 (2008), 2537-2552.
- J. Hu and H. L. Tsai, “Metal Transfer and Arc Plasma in Gas Metal Arc Welding”, ASME Journal of Heat Transfer, 129 (2007) 1025-1035.
- J. Hu and H. L. Tsai, “Heat and Mass Transfer in Gas Metal Arc Welding, Part I: the Arc”, International Journal of Heat and Mass Transfer, 50 (2007), 833-846.
- J. Hu and H. L. Tsai, “Heat and Mass Transfer in Gas Metal Arc Welding, Part II: the Metal”, International Journal of Heat and Mass Transfer, 50 (2007), 808-820.
- J. Hu and H. L. Tsai, “Effects of Welding Current on Droplet Generation and Arc Plasma in Gas Metal Arc Welding”, Journal of Applied Physics, 100, 053304 (2006).
- J. Yin, C. Zheng, L. Zhou, J. Hu, “Numerical Simulation of NOx Formation with a Second-Order-Moment-PDFTurbulence-Chemistry Model”, Journal of Combustion Science and Technology, Vol. 7, No. 1, 2001.
- H. Zeng, J. Zhou, T. Xu, J. Hu, H. Yao, “Staged Combustion and Staged Desulphurization”, Clean Coal Combustion and Power Generation Technology, No. 2, Sept., 1998.
- Z. Zhang, J. Hu, H. Zeng, etc, “Studies on Experiments of Using Solid-Sorbent to Control Heavy Metal During Coal Combustion”, Journal of Fuel Chemistry and Technology, Vol. 26, No. 6, Dec., 1998.
- Z.H. Rao, J. Hu, S.M. Liao and H. L. Tsai, “Study the shielding gas effect on the metal transfer and weld pool dynamics in GMAW”, 2009 ASME Summer Heat Transfer Conference, San Francisco, California, July 19-23, 2009.
- Z.H. Rao, J. Hu, S.M. Liao and H. L. Tsai, “Study the shielding gas effects on transport phenomena in GMAW arc”, 20th International Symposium on Transport Phenomena (ISTP20), Victoria, British Columbia, Canada, July 7-10, 2009.
- K. Ren, J. Hu, X. Xiong, L. Zhang and J. Wei, “Validation of Turbulence Models in STAR-CCM+ by N.A.C.A. 23012 Airfoil Characteristics”, 2009 ASEE Northeast Section Conference, University of Bridgeport, April 3-4, 2009.
- L. Zhang, X. Xiong and J. Hu, “Developing a New Graduate Program in Sustainable Energy Engineering”, 2009 ASEENortheast Section Conference, University of Bridgeport, April 3-4, 2009.
- Z.H. Rao, J. Hu, S.M. Liao and H. L. Tsai, “Determination of Equilibrium Wire Feed Speeds for a Stable GMAW Process”,ASME-IMECE, Boston, MA, October 31-November 6, 2008.
- G. Xu, J. Hu and H. L. Tsai, “Modeling of Arc Plasma and Metal Transfer in 3D Gas Metal Arc Welding”, 19th International Symposium on Transport Phenomena (ISTP19), Reykjavik, Iceland, August 17-21, 2008.
- J. Hu, L. Zhang and X. Xiong, “Teaching Computational Fluid Dynamics (CFD) to Design Engineers”, 2008 ASEE Annual Conference and Exposition, Pittsburgh, PA, June 22-25, 2008.
- J. Hu and H. L. Tsai, “Modeling Three-Dimensional Gas Metal Arc Welding with Groove”, ASME-IMECE, Seattle, Washington, 2007.
- J. Hu, H. Guo and H. L. Tsai, “Weld Pool Dynamics and the Formation of Ripples in 3D Gas Metal Arc Welding”, ASME-IMECE, Seattle, Washington, 2007.
- J. Hu, H. L. Tsai and P. C. Wang, “Effects of Welding Current on Metal Transfer and Weld Pool Dynamics in Gas Metal Arc Welding”, ASME-IMECE, Chicago, Illinois, 2006.
- J. Hu, H. Guo, G. Xu and H. L. Tsai, “A Comprehensive 3-D Model on Gas Metal Arc Welding”, International Symposium on Computer-Aided Welding Engineering, Jinan, Shandong, China, 2006.
- J. Hu, H. L. Tsai, “Numerical Modeling of Welding Current Effects in Gas Metal Arc Welding”, 9th AIAA/ASME Joint Thermophysics and Heat Transfer Conference, San Francisco, California, 2006.
- J. Hu, H. L. Tsai and P. C. Wang, “Modeling of Transport Phenomena in Gas Metal Arc Welding”, 4th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics (HEFAT), Cairo, Egypt, 2005.
- J. Hu and H. L. Tsai, “Fluid Flow and Weld Pool Dynamics in Dual-Beam Laser Keyhole Welding”, ASME-IMECE, Washington, D.C., 2003.
- J. Hu, H. L. Tsai, and Y. K. Lee, “Modeling of Weld Pool Dynamics During Dual-Beam Laser Welding Process”, ICALEO, Jacksonville, Florida, 2003.
- J. Hu and H. L. Tsai, “Modeling the Transport Phenomena during Dual Beam Laser Welding Process”, CLEO/Europe, Munich, Germany, 2003.