Dr. Guillermo Araya
Research Assistant Professor

Contact Information
Dr. Guillermo Araya
Department of Mechanical Engineering
Texas Tech University
Lubbock, TX 79409-1021
Tel: (806)742-3563 ext. 271
Fax: (806)742-3540
email: g.araya@ttu.edu
Curriculum Vitae
Education
- Ph.D. Aeronautical Engineering, Rensselaer Polytechnic Institute, 2008
- M.S. Mechanical Engineering, University of Puerto Rico, Mayaguez, 2004
- B.S. Aeronautical Engineering, Instituto Universitario Aeronáutico, Córdoba, Argentina, 1996
Experience
- Research Assistant Professor, Texas Tech University, 2011-present
- Research Assistant, Swansea University, UK, 2009-2011
- Postdoctoral Fellow, Johns Hopkins University, 2008-2009
Research Interests
- CFD of turbulent incompressible and compressible flows
- Wind energy array modelling
- DNS, LES, RANS, URANS, turbulence modelling
- Heat transfer
- Flow control
Awards
- Selected for inclusion in the 11th Edition of Marquis Who's Who in Science and Engineering (2011 - 2012).
- Selected as supported student in the 13th Annual Summer Institute, San Diego Supercomputer Center (July 2007, La Jolla, CA)
- Selected as young participant in the “Euler Equations: 250 Years On” conference with travel subsidy from NSF (June 2007, Aussois, France)
- Travel subsidy award from European Commission (Marie Curie program) for participating in the 11th European Turbulence Conference (June 2007, Porto, Portugal)
- Teaching/Research Assistantship and Tuition Scholarship at UPRM and RPI (2003-2008)
- Travel subsidy awards (2005 and 2006): Division of Fluid Dynamics of the American Physical Society
- Full Scholarship (2001): CANE Foundation – Georgia Institute of Technology, training in ISO 9000:2000 Norms
- Full Scholarship (1997): CNEA, Argentina, specialization in nuclear energy
- Patent (2000) of a stress cracking resistance instrument in PET bottles, Coca-Cola FEMSA of Buenos Aires
Journal Articles
- Araya G., Castillo L., Meneveau C. and Jansen K., A dynamic multi-scale approach for turbulent inflow boundary conditions in spatially evolving flows, J. of Fluid Mechanics vol. 670, pp. 581–605, 2011.
- Araya G., Leonardi S. and Castillo L., Steady and time-periodic blowing/suction perturbations in a turbulent channel flow, Physica D 240 pp. 59–77, 2011.
- Araya G., Jansen K. and Castillo L., Inlet condition generation for spatially-developing turbulent boundary layers via multi-scale similarity, J. of Turbulence, 10, No. 36, pp. 1-33, 2009.
- Araya G., Leonardi S. and Castillo L., Numerical assessment of local forcing on the heat transfer in a turbulent channel flow, Physics of Fluids, 20, 085105, 2008.
- Araya G., Leonardi S. and Castillo L., Passive scalar statistics in a turbulent channel with local time-periodic blowing/suction at walls, Physica D, 237, pp. 2190–2194, 2008.
- Wang X., Castillo L. and Araya G., Temperature scalings and profiles in forced convection turbulent boundary layers, J. of Heat Transfer, Vol.130, 2, 2008.
- Araya G., Leonardi S., Castillo L. and Orlandi P., DNS of turbulent channel flow with local forcing at walls, International J. of Transport Phenomena, Vol. X, pp. 1–13, 2007.
- Jia Y. and Araya G., Numerical analysis of the design parameters on the performance of thin film temperature sensors, Measurement Science and Technology, 18, pp. 2268–2274, 2007.
- Araya G. and Gutierrez G., Analytical solution for a transient, three-dimensional temperature distribution due to a moving laser beam, International J. of Heat and Mass Transfer, 49 (21-22): 4124-4131, 2006.
- Jia Y. and Araya G., Dynamic performance of thin film temperature sensor in a lubricated contact, Proc. of the Institution of Mechanical Engineers, Part J, Journal of Engineering Tribology, 220 (J6): 487-497, 2006.
Publications in Chapter Books
- Araya G., Evans B., Hassan O. and Morgan K., Scale adaptive simulations over a supersonic car, Computational Fluid Dynamics, Springer-Verlag, 2010.
- Araya G., Castillo L., Meneveau C. and Jansen, K., A multi-scale dynamic method for spatially evolving flows, Wall-Turbulence Meeting, Lille, France. ERCOFTAC series, Springer, 2009.
- Araya G., Bohr E., Jansen K. and Castillo L., Generation of turbulent inlet conditions for velocity/thermal boundary layer simulations, In Progress in Turbulence 2, Springer Proceedings in Physics, vol. 109, 2006.
Selected Articles in Refereed Conference Proceedings
- Araya G., Evans B., Hassan O. and Morgan K., Assessment of several turbulence models in a supersonic car, 5th ECCOMAS CFD, Lisbon, Portugal, 2010.
- Araya G., Cal R.B. and Castillo L., Energy budget analysis for favorable pressure gradient turbulent boundary layers using Direct Numerical Simulations, 8th ERCOFTAC Symposium on Eng. Turbulence Modelling and Measurement, Marseille, France, 2010.
- Araya G., Jansen K. and Castillo L., DNS of forced convection turbulent boundary layers in ZPG/APG flows, 5th AIAA Theoretical Fluid Mechanics Conference 23 - 26 June, Seattle, Washington, 2008
- Araya G., Leonardi S. and Castillo L., DNS of a passive scalar in a turbulent channel with local forcing at walls, 5th Int. Symposium on Turbulence and Shear Flow Phenomena, August 27-29, Munich, Germany, 2007.
- Araya G., Leonardi S., Castillo L. and Orlandi P., DNS of turbulent channel flow with local forcing at walls, 17th Int. Symposium on Transport Phenomena, 4-8 September, Toyama, Japan, 2006.
- Araya G., Bohr E., Jansen K., Castillo L., and Peterson K., Generation of turbulent inlet conditions for thermal boundary layers, 44th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, Jan. 9-12, AIAA-2006-699, 2006.