Prof. Juan C. Ordonez

Heat Transfer & 
Thermodynamics
Thermodynamic Optimization of Advanced Energy Systems
Department of Mechanical Engineering
Education
Research
Current Programs
Students
Collaborators
Publications
Teaching
Service
CAPS
SESEC
 

Research

Books, Theses, Monographs:

  1. Ordóñez, J.C., Integrative Energy-System Design: System Structure from Thermodynamic Optimization. Duke University, Durham, NC, 2003.
  2. Ordóñez, J.C. Entropy Generation Minimization in Thermal Energy Storage Systems with Phase Change.  Univ. Pontificia Bolivariana, Medellín, Colombia, 2001.
  3. Ordóñez, J.C. and Rivera, A. Introduction to Thermoacoustics. Univ. Pontificia Bolivariana, Medellín, Colombia, 1996.

     

Journal Publications

  1. D. Vlassov, J.V.C. Vargas and J.C. Ordonez, "The optimization of Rough Surface Supersonic Nozzles," Acta Astronautica, 2007 (In Press). 
  2. A.M. Morega,  J.C. Ordonez, J.V.C. Vargas and S. Kosaraju, ``A Finite Element Method Analysis and Optimization of a Polymer Electrolyte Membrane Fuel Cell with Interdigitated Flow Field Design," International Journal of Energy Technologies and Policy (IJETP). Special Issue: Computational Fluid Dynamics Simulations in Energy Technologies and Processes, 2007. 
  3.  L.S. Mainardes, R.S. Matos, J.V.C. Vargas, and J.C. Ordonez, Optimally Staggered Finned Circular and Elliptic Tubes in Turbulent Forced Convection, Journal of Heat Transfer, 2007. (In Press) 
  4. P.J. Masson, P.Tixador, J.C. Ordonez, A.M. Morega, and C.A. Luongo, "Electro- Thermal Model for HTS Motor Design", IEEE Transactions on Applied Superconductivity. 2007. (In Press)
  5. J. C. Ordonez , S. Chen , J. V. C. Vargas , F. G. Dias , J. E. F. C. Gardolinski , D. Vlassov, “Constructal Flow Structure for a SingleSOFC,” International Journal of Energy Research, 2007 (In press).
  6.  W.Wechsatol, J.C. Ordonez, and S. Kosaraju," Constructal Dendritic Geometry and the Existence of Asymmetric Trees," Journal of Applied Physics, 100 (2006) 113514, 1-11. 
  7.  S. Chen, J.C. Ordonez, and J.V.C. Vargas, "Transient Operation and Shape Optimization of a Single PEM Fuel Cell," Journal of Power Sources, 162(1), (2006) 356-368. 
  8. D. Vlassov, J.V.C. Vargas, J.C. Ordonez and L.S. Martins, “Turbulent Stress Distribution in the Turbulent Boundary Layer on a Permeable Porous Plate,” Thermal Engineering, Vol. 5, No.1, 2006, p.90-101
  9. J.V.C. Vargas, J.C. Ordóñez, and A. Bejan, The Optimization of Internal and External Structure of a PEM Fuel Cell. Special Issue of Metals Materials and Processes edited by Dr K.G. Satyanarayana. Accepted 2005.
  10. J.C. Ordóñez and S. Chen. Thermodynamic Optimization of Power Extraction from a Hot Stream in the Presence of Phase Change Under Limiting Collecting Temperatures. International Journal of Energy Research. Accepted, 2005.
  11. E. Dialy, J.V.C. Vargas, S.C. Amico and J.C. Ordóñez. Modeling, simulation and optimization of a beer pasteurization tunnel. Journal of Food Engineering.  Accepted. 
  12. J.V.C. Vargas, J.C. Ordóñez, and A. Bejan, Constructal PEM fuel cell stack design. International Journal of Heat and Mass Transfer,  Volume 48, Issues 21-22, October 2005, Pages 4410-4427.
  13. J. V. C. Vargas, J. C. Ordonez, C. Zamfirescu,  M.C. Campos and A. Bejan

    Optimal Ground Tube Length for Cooling of Electronics Shelters. Heat Transfer Engineering. 26 (10):8-20, 2005.

  14. J.V.C. Vargas, J.C. Ordóñez, and A. Bejan, Constructal Flow Structure for a PEM Fuel Cell. International Journal of Heat and Mass Transfer, 47 (2004) 4177–4193.

  15. Ordóñez, J.C., Bejan, A., Minimum Power Requirement for Environmental Control of Aircraft. Energy, 28 (2003) 1183-1202.

  16. Ordóñez, J.C., Bejan, A., Cherry, R.S., Designed Porous Media: Optimally Nonuniform Flow Structures Connecting One Point With One Or More Points. International Journal of Thermal Sciences, Vol. 42, pp. 857-870, 2003.

  17. Ordóñez, J.C., Bejan, A., System-Level Optimization of the Size of Organs for Heat and Fluid Flow Systems.  International Journal of Thermal Sciences,Vol. 42, pp.335-342, 2003.

  18. F. Chejne, W. F. Florez, J. C. Ordóñez, and E. A. Botero. Exergoeconomic Analysis of Systems. Thermal Engineering (Teploenergetika). p. 80, Vol. 48, No. 1, 2001.

  19. J.C.Ordóñez and A. Bejan. Entropy Generation Minimization in Parallel-Plates Counterflow Heat Exchangers. International Journal of Energy Research, Vol.24, 2000.

  20. J.V.C.Vargas, J. C. Ordóñez, A. Bejan. Power extraction from a hot stream in the presence of phase change. International Journal of Heat and Mass Transfer. 43 (2000), pp. 191-201.

  21. J.C. Ordóñez, J.V.C. Vargas and A. Bejan. Combined Power and Refrigeration From a Hot Stream. International Journal of Applied Thermodynamics. Vol.2, No.2, pp. 49-57, June 1999.
  22. J.C.Rojas, F.Chejne, A.Hill, E.Figueroa, E.Botero, J.C.Pérez, E.Arenas, C.Isaza, J.C.Ordóñez, A.Rivera, K.Sßnchez, J.Restrepo, J.Hinestrosa, M.Carmona. Rational use of energy. Renewable Energy Journal. Vol.15-16/4004. Pag. 2383-2586. 1998.
  23. J.C.Ordóñez, A.Rivera, F.Chejne, A.Hill. ``Máquinas termoacústicas". (Thermoacoustic Engines). Revista Información Tecnológica. Centro de Información Tecnológica. La Serena, Chile. Vol.9, No.5 Sep.-Oct., 1998.
  24. F.Chejne, J.C.Rojas, E.Botero, J.C.Ordóñez, A.Rivera, J.A.Restrepo, A.Hill. "Administración energética en centrales de generación de energía eléctrica mediante el monitoreo de variables". (Energy Managment in Power Plants by Monitoring of Variables). Revista Información Tecnológica. Centro de Información Tecnológica. La Serena, Chile. Vol.9, No.6 Nov.-Dec., 1998.
  25. J.C.Ordóñez, A.Rivera, F.Chejne, A.Hill. ``Refrigeración termoacústica". (Thermoacoustic refrigeration). Revista Acaire. Asociación Colombiana del Acondicionamiento de Aire y de la Refrigeración . Santafé de Bogotá. Edición No. 20 pp. 5-10. Marzo-Junio de 1998.
  26. J.C.Ordóñez, A.Rivera, F.Chejne, A.Hill. ``Máquinas termoacústicas". (Thermoacoustic Engines). Revista Energética. Facultad de Minas. Universidad Nacional de Colombia. Sede Medellín. No.20. 1998.
  27. C. A. Isaza R., F. Chejne J., W.F. Flórez E., J.C. Ordóñez R. ``Optimización de sistemas centralizados de refrigeración con modelización". (Optimization of centralized refrigeration systems). Energía y Computación. Revista de la Universidad del Valle, Colombia.
  28. F. Chejne, W.F. Flórez, J.C.Ordóñez, E.A, Botero. ``Análisis exergético de centrales térmicas".(Exergetic analysis of power plants). Energética. Revista de estudios energéticos. Facultad de minas, Universidad Nacional de Colombia, Sede Medellín, ISSN 0120-9833. Vol 18, pp 33-41, Nov, 1997.
  29. F. Chejne, A. Hill, E. Botero, E. Figueroa, J.C. Rojas, J. C. Perez, C. Isaza, E. Arenas, K, Sanchez, S.Botero, F. Valenzuela, J.C.Ordóñez, A. Rivera, M. Carmona. ``Uso Racional de Energía". (Rational use of energy). Revista de Contaminación ambiental. Área de Estudios Ambientales CIDI'UPB. ISSN 0120-0674. Vol. 15. No.27. pp. 5-21, 1995.

    In congress proceedings:

 

  1.  D. Cartes, J.C. Ordonez, J. Harrington, D. Cox, and R. Meeker,"Novel Integrated Energy Systems and Control Methods with Economic Analysis for Integrated Community Based Energy Systems," PES-IEEE 2007 (In press) (refereed) 
  2.  A.P. Negoias, A.M. Morega, and J.C. Ordonez, Heat Transfer in Spherical Photovoltaic Cells, ATEE-06, Bucharest, 24 Nov, 2006 
  3. A.M. Morega, J.C. Ordonez. A higher resolution, local thermal analysis of an ac armature winding of a high temperature superconductor motor, Paper IMECE2006-13825, 2006 ASME International Mechanical Engineering Congress and Exposition, IEMEC-2006, Nov. 5-10, Chicago, Illinois, USA (Refereed) 
  4. A.M. Morega, J.C. Ordonez and P.A. Negoias, A Local Thermal Analysis of an AC Armature Winding of High Temperature Superconducting Motor, Caius Iacob" National Conference of Fluid Mechanics and Tehnical Applications. Institute of Statistical Mathematics and Applied Mathematics, Romanian Academy. 19 - 21 Oct. 2006, Brasov 
  5. R. Hovsapian, J.C. Ordonez, J.V.C. Vargas, P.G. McLaren, "Thermodynamic Analysis of a 5MW Dynamometer Set to Simulate Ship Propulsion and Propulsion Load of an All-electric Ship," Proceedings of the Brazilian Congress of Thermal Engineering and Sciences - ENCIT, Curitiba, Brazil, 2006. (Refereed)
  6. .R.L.S. Mainardes, R.S. Matos, J.V.C. Vargas, J.C. Ordonez. Otimização Da Excentricidade Em Arranjos Aletados Submetidos À Convecção Forçada Em Regime Turbulento. In: 11th Brazilian Congress of Thermal Sciences and Engineering - ENCIT - 5 a 8 Dez, 2006, Curitiba. Proceedings, 2006. p. 1-10. (Refereed)
  7. E.L. Ferreira, J.V.C. Vargas, M.C. Campos, F.G. Dias,J.C. Ordonez, M.L. Brioschi,"Development of an Air Heating and Humidifying System for Mechanical Ventilation of Intensive Care Unit Patients," Proceedings of the Brazilian Congress of Thermal Engineering and Sciences - ENCIT, Curitiba, Brazil, 2006. (Refereed) 
  8. J.C. Berndsen, J.V.C. Vargas, E. Dilay, F.G. Dias, and J.C. Ordonez, "Desenvolvimiento Experimental de um Sistema Trigenerador com Producao Simultanea de Calor, Electricidade e Frio, Proceedings of the Brazilian Congress of Thermal Engineering and Sciences - ENCIT, Curitiba, Brazil, 2006. (Refereed)
  9. M.V.A. Pereira, J.V.C. Vargas, F.G. Dias, J.C. Ordonez, J.A.R. Parise, M.C. Campos, L.S. Martins, H.Y.C. Fujii, R. Allage, "Exergetic Analysis of a 5 TR Experimental Absorption Refrigeration Unit Powered by Liquefied Petroleum Gas (GLP) and Exhaust Gases", Proceedings of the Brazilian Congress of Thermal Engineering and Sciences - ENCIT, Curitiba, Brazil, 2006. (Refereed)
  10. A.M. Morega, J.C. Ordonez, P.A. Negoias, M. Morega, and R. Hovsapian, "Optimal Electrical Design of Spherical Photovoltaic Cells," Proceedings of the COMSOL Users Conference, Key Note Lecture, Prague, 2006. 
  11. A.M. Morega and J.C. Ordonez, "Constructal Design of Concurrent Power Distribution Networks," Proceedings of the COMSOL Users Conference, Boston, 2006. 
  12.  P.J. Masson, P.Tixador, J.C. Ordonez, A.M. Morega, and C.A. Luongo, "Electro- Thermal Model for HTS Motor Design", Applied Superconductivity Conference, Seattle, Sep. 2006. (Refereed, presentation only) 
  13. J.V.C. Vargas, J.C. Ordonez, A.M. Morega, C.A. Luongo and C. Shih,"Bringing International Components to Capstone Senior Design Projects - Preparation for a global economy," Proceedings of the 5th ASEE Global Coloquium On Engineering Education, 2006, 8-12 October, Rio de Janeiro. Engineering Education in the Americas and Beyond, 2006. (Refereed) 
  14. W. Wechsatol, S. Lorente, A. Bejan, J.C. Ordonez and S.C. Kosaraju, "Optimization of Elemental Flow Passages of Fluid Flow Networks," Proceedings of the 13th International Heat Transfer Conference, Sydney, Australia, 13-18 August, 2006. (Refereed) 
  15. J.C. Ordonez, J.V.C. Vargas, A.M. Morega, C.A. Luongo and C. Shih, "An International Component to Capstone Senior Design Projects," Proceedings of the 36th ASEE/IEEE Frontiers in Education Conference, October 28-31, San Diego, CA, 2006. (Refereed)
  16. M. Mathur, A.P.Negoias, J.C. Ordonez and A.M. Morega. Thermal Stability of an HTS Armature Winding.  Fluent Users Group Meeting, Sinaia, Romania, March 30-31, 2006.

  17. S. Kosaraju, J.C. Ordonez and A. M. Morega. A Numerical Study of the Effeoct of Channel Geometry on the Pressure Distribution in PEMFC Bipolar Plates. Fluent Users Group Meeting, Sinaia, Romania, March 30-31, 2006.

  18. A. Morega, J.C. Ordonez, A.P. Negoias and R. Hovsapian. Spherical Photovoltaic Cells – A Constructal Approach to their Optimization10th International Conference on Optimization of Electrical and Electronic Equipments OPTIM'06. May 18-19, 2006, Brasov, Romania.

  19. A. Morega, J.C. Ordonez, P.A. Negoias. Higher Resolution Thermal Design of an HTS AC Armature Winding. "Caius Iacob" National Conference of Fluid Mechanics and Tehnical Applications. Institute of Statistical Mathematics and Applied Mathematics, Romanian Academy. Bucharest, Nov. 25-26, 2005.
  20. A. Morega, J.C. Ordonez.  Thermal Stability of an HTS AC Armature Winding. FEMLAB Conference.  Boston, MA, Oct. 23-25, 2005. 
  21. A. Morega, J.C. Ordonez and J.V.C. Vargas. Thermal model for the AC armature winding of a High Temperature Superconductor airborne motor. ASME-IMECE. Orlando, November, 2005.
  22. J.C. Ordonez, J.V.C. Vargas and S. Chen. Optimal Heat Exchanger Area Allocation for Power and Refrigeration. 18th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. ECOS, Trondheim, Norway, 2005.
  23. J.V.C. Vargas, J.C. Ordonez, A. Bejan and S.C. Amico.  The Optimal Shape for a Unit PEM Fuel Cell. ASME. Third International Conference on Fuel Cell Science, Engineering and Technology, Ypsilanti, MI,  2005. 
  24. J.C. Ordonez and J.V.C. Vargas. Constructal Optimization of the Coupling Between a Hot and a Cold Stream for Power and Refrigeration. International Mechanical Engineering Congress and Exposition. Anaheim, CA. Nov. 2004. 
  25. J.V.C. Vargas, J.C. Ordóñez and A. Bejan. Fuel Cells Constructal Optimization and Research Perspectives. 2nd International Conference on Fuel Cell Science, Engineering and Technology. 2004.
  26.  J.C. Ordóñez and S. Chen. Maximum power extraction from a hot stream in the presence of phase change under limiting collecting temperatures. ASME Heat Transfer/Fluids Engineering Summer Conference, HT-FED2004-56398, Charlotte, NC , USA, July 11-15, 2004.
  27. N.Brooks, T. Baldwin,  T. Brinson, J.C. Ordonez and C. Luongo. Analysis of Fuel Cell Based Power Systems Using EMTDC Electrical Power Simulator, Proceedings of the IEEE Thirty-Sixth Southeastern Symposium on System Theory, March 2004, pp.270-274.
  28. A.Rivera, J.C.Ordóñez, F.Chejne, A.Hill. ``Refrigeración termoacústica". (Thermoacoustic refrigeration). Memorias Mercofrio³98. ASBRAV. Porto Alegre, Brasil. Oct., 1998.
  29.  F.Chejne, A.Hill, E.Botero, E.Figueroa, J.C.Rojas, J.C.Pérez, C.Isaza, E.Arenas, K.Sánchez, F.Valenzuela, J.C.Ordóñez, A. Rivera, M. Carmona, J. Restrepo, J.Hinestrosa, Rational use of energy. Proceedings of Third Latin-American Congress : Electricity Generation and Transmission. Campos do Jordao, Brasil. Pp. 677-680. Nov. 9-13,1997.
  30.  F.Chejne, J.C.Ordóñez, et al. ``Ahorro de energía en centrales de generación de energía eléctrica mediante el monitoreo de variables de procesos". (Energy saving in power plants by monitoring process variables). Memorias Conferencia Energetica Colombiana -Enercol 97-. Santafé de Bogotá. Ago. 27-29, 1997.
  31.  F.Chejne, J.C.Ordóñez, et al. ``Alternativas tecnológicas para el uso eficiente de la energía en la industria". (Technological alternatives for rational use of energy in industry). Memorias Quinta Jornada de Investigación - CIDI UPB. Medellín, Oct., 1997.
  32. C.Isaza R. F.Chejne J., W.F. Flórez E., J.C. Ordóñez R. ``Optimización de sistemas centralizados de refrigeración con modelización". (Optimization of centralized refreigeration systems). IV Congreso Iberoamericano de Aire Acondicionado y Refrigeración. CIAR. Santiago de Chile. Vol I (artículos técnicos). pp. 31-35. Oct, 1997.
  33.  J.C.Ordóñez, A.Rivera, F.Chejne. ``Introducción a la Termoacústica". (Introduction to thermoacoustics). Memorias Cuarta Jornada de Investigación - CIDI UPB. Medellín, Oct. 1996.
  34. J.C.Ordóñez, A.Rivera, F.Chejne. ``Máquinas Termoacústicas". (Thermoacoustic Engines). Memorias Encuentro de Investigadores en Energía. Universidad Nacional sede Medelln. Nov. 1996.
  35. F.Chejne , J.C. Ordóñez R., W.F. Flórez E., E.A. Botero G. ``Análisis exergético y optimización de centrales térmicas". (Exergetic analysis and optimization of power plants). III Conferencia de Termoenergética Industrial, Santa Clara,Cuba. Nov, 1996.
  36. F.Chejne J. , W.F. Flórez E. , J.C. Ordóñez R., E.A. Botero G. ``Análisis exergético de centrales térmicas". (Exergetic analysis of power plants). Memorias de la Cuarta Jornada de Investigación, CIDI-UPB. Medellín, Colombia, 1996.
  37. F.Chejne, J.C. Ordóñez, et al. ``Uso racional de Energía". (Rational use of energy). Memorias de la Tercera Jornada de investigación-CIDI UPB. Medellín, Oct. 24-25, 1995.
  38.  F.Chejne, A.Rivera, J.C. Ordóñez. ``Lejos del equilibrio". (Far from equilibrium). Memorias de la Quinta Jornada de investigación UPB. Medellín, Oct., 1997.
  39. F.Chejne, J.C. Ordóñez, A.Rivera et al. ``Uso racional de Energía Térmica". (Rational use of thermal energy). Memorias Primer curso de uso racional de energía organizado por ACIEM y EE.PP. de Medellín con la colaboración del CIDI-UPB. Medellín, Nov. 20-25, 1995.
  40. F.Chejne J. , W.F. Flórez E. , J.C. Ordóñez R., E.A. Botero G. ``Análisis exergético de centrales térmicas". (Exergetic analysis of power plants). XII Jornadas de Energía. II Seminario Internacional sobre Planeamiento Energético. Santafé de Bogotá. Sep., 1995.
  41. F.Chejne J., W.F. Flórez E., J.C. Ordóñez R., et al. ``Generación magnetohidrodinámica". (Magnetohydrodynamics power generation). Primera Jornada de Investigación. CIDI-UPB. Medellín, Oct., 1993.


d. Reports


1. Bejan, A., Rocha, L.A.O, Ordóñez, J.C. and Cherry, R. S. (INEEL collaborator). Scaling and Generation of Nonuniform Flow Patterns. Idaho National Engineering and Environmental Laboratory, first year report, Aug. 31, 2000.