Biography

Dr. Elias Papanicolaou

Solar & other Energy Systems Laboratory Attiki, Greece


Email: elpapa@ipta.demokritos.gr


Qualifications

1991 Ph.D., Mechanical & Aerospace Engineering, Rutgers University, N. Brunswick, New Jersey, USA

1988 M.Sc., Mechanical & Aerospace Engineering, Rutgers University, N.Brunswick, New Jersey, USA

1985 B.Sc., Mechanical Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece


Publications (Selected)

  1. Arvanitis, K.D., Papanicolaou, E., Mathioulakis, E., Belessiotis, V., Bouris, D.,”Experimental evaluation of flat-plate heat absorbers for medium-temperature linear-focus solar systems: Composite U-bends vs straight rectangular-multi-channels”, Applied Thermal Engineering, vol. 175, art. no. 115364, 2020.
  2. Karathanassis, I. K., Papanicolaou, E., Belessiotis, V., & Bergeles, G., “Dynamic simulation and exergetic optimization of a Concentrating Photovoltaic/Thermal (CPVT) system”, Renewable Energy, vol. 135, pp. 1035-1047, 2019.
  3. Arvanitis, K. D., Bouris, D., & Papanicolaou, E., “Laminar flow and heat transfer in U-bends: The effect of secondary flows in ducts with partial and full curvature”, International Journal of Thermal Sciences, vol. 130, pp. 70-93, 2018.
  4. Ram, M. K., Myers, P. D., Jotshi, C., Goswami, D. Y., Stefanakos, E. K., Arvanitis, K. D., Papanicolaou, E. & Belessiotis, V., “Microencapsulated dimethyl terephthalate phase change material for heat transfer fluid performance enhancement”, International Journal of Energy Research, vol. 41(2), pp. 252-262, 2017.
  5. Karathanassis, I.K., Papanicolaou, E. , Belessiotis, V. , Bergeles, G.C., “Design and experimental evaluation of a parabolic-trough concentrating photovoltaic/thermal (CPVT) system with high-efficiency cooling”, Renewable Energy, vol. 101, pp. 467-483, 2017.
  6. Kaloudis E., Papanicolaou E. and Belessiotis V., “Numerical simulations of a parabolic trough solar collector with nanofluid using a two-phase model”, Renewable Energy 97, pp 218-229, 2016.
  7. Kaloudis E., Grigoriadis D.G.E. , Papanicolaou E., “Numerical simulations of constant-influx gravity currents in confined spaces: Application to thermal storage tanks”, Int. J. of Thermal Sciences, vol. 108, pp. 1–16, 2016.
  8. Karathanassis I, Papanicolaou E., Belessiotis V., Bergeles G.C, “Experimental and numerical evaluation of an elongated plate-fin heat sink with three sections of stepwise varying channel width”, International Journal of Heat and Mass Transfer Volume 84, pp. 16-34, 2015.
  9. Karathanassis, I.K., Papanicolaou, E., Belessiotis, V., Bergeles, G.C. Flow and temperature fields in cooling devices with embedded serpentine tubes. Numerical Heat Transfer; Part A: Applications, vol.66, no. 4, pp. 349-378, 2014.
  10. Kaloudis, E., Grigoriadis, D.G.E., Papanicolaou, E., Panidis, T. Large eddy simulation of thermocline flow phenomena and mixing during discharging of an initially homogeneous or stratified storage tank. European Journal of Mechanics, B/Fluids, vol. 48, pp. 94-114, 2014.
  11. Kaloudis, E., Grigoriadis, D.G.E., Papanicolaou, E. and T. Panidis, T. Large eddy simulations of turbulent mixed convection in the charging of a rectangular thermal storage tank. International Journal of Heat and Fluid Flow, vol. 44, pp. 776-791, 2013.
  12. Karathanassis I., Papanicolaou E., Belessiotis V., Bergeles G. Effect of secondary flows due to buoyancy and contraction on heat transfer in a two-section plate-fin heat sink. Int. J. of Heat and Mass Transfer, vol. 61, pp. 583-597, 2013.
  13. Belessiotis V., Mathioulakis E., Papanicolaou E. Experimental validation of the input-output approach for large solar-thermal systems – Accuracy of the test procedure. Renewable Energy, vol. 51, pp. 197-205, 2013.
  14. Karathanassis, I., Papanicolaou, E., Belessiotis, V., Bergeles, G. Three-dimensional flow effects on forced convection in a channel with stepwise-varying width. Int. J. of Thermal Sciences, vol. 67, pp. 177-191, 2013.
  15. Karathanassis, I., Papanicolaou, E., Belessiotis, V., Bergeles, G. Multi-objective Design Optimization of a Micro Heat Sink for Concentrating Photovoltaic/Thermal (CPVT) Systems using a Genetic Algorithm. Applied Thermal Engineering, vol. 59, no. 1-2, pp. 733-744, 2013.
  16. Lamnatou, Chr., Papanicolaou, E., Belessiotis, V. and Kyriakis, N. Experimental investigation and thermodynamic performance analysis of a solar dryer using an evacuated-tube air collector. Applied Energy, vol. 94, pp. 232-243, 2012.
  17. Lamnatou, Chr., Papanicolaou, E., Belessiotis, V. and Kyriakis, N. Numerical study of the interaction among a pair of blunt plates subject to convective drying – A conjugate approach. Int. J. Thermal Sciences, vol. 49, no. 12, pp. 2467-2482, 2010.
  18. Lamnatou, CHR., Papanicolaou, E., Belessiotis, V. and Kyriakis, N. Finite-volume modelling of heat and mass transfer during convective drying of porous bodies – non-conjugate and conjugate formulations involving the aerodynamic effects. Renewable Energy, vol. 35, no. 7, pp. 1391–1402, 2010.
  19. Belessiotis, V., Mathioulakis E. and Papanicolaou, E. Theoretical formulation and experimental validation of the input-output modeling approach for large solar thermal systems. Solar Energy, vol. 84, no. 2, pp. 245–255, 2010.
  20. Lamnatou, Chr., Papanicolaou, E., Belessiotis, V. and Kyriakis, N. Conjugate heat and mass transfer from a drying rectangular cylinder in confined air flow. Num. Heat Transfer, Part A, vol. 56, no. 5, pp. 379–405, 2009.
  21. Papanicolaou, E. and Belessiotis, V. Transient development of flow and temperature fields in an underground thermal storage tank under various charging modes. Solar Energy, vol. 83, no. 8, pp. 1161-1176, 2009.
  22. Papanicolaou, E. and Belessiotis, V. Patterns of double-diffusive natural convection with opposing buoyancy forces: comparative study in asymmetric trapezoidal and equivalent rectangular enclosures. ASME J. of Heat Transfer, vol. 130, no. 9, pp. 0092501-1 – 0092501-14, 2008.
  23. Babalis, S.J., Papanicolaou, E., Kyriakis, N. and Belessiotis, V.G. Evaluation of thin-layer drying models for describing drying kinetics of figs (Ficus carica). Journal of Food Engineering, vol. 75, no. 2, pp. 205-214, 2006.
  24. Papanicolaou, E. and Belessiotis, V. Double-diffusive natural convection in an asymmetric trapezoidal enclosure: unsteady behavior in the laminar and the turbulent-flow regime. Int. J. Heat Mass Transfer, vol. 48, no. 1, pp. 191-209, 2005.
  25. Papanicolaou, E. and Belessiotis, V. Transient hydrodynamic phenomena and conjugate heat transfer during cooling of water in an underground thermal storage tank. ASME J. of Heat Transfer, vol. 126, no. 1, pp. 84-96, 2004.
  26. Papanicolaou, E., Voropoulos, K. and Belessiotis, V. Νatural convective heat transfer in an asymmetric greenhouse-type solar still—effect of angle of inclination, Num. Heat Transfer, Part A, vol. 42, no. 8, pp. 855-880, 2002.
  27. Papanicolaou, E. and Belessiotis, V. Transient natural convection in a cylindrical enclosure at high Rayleigh numbers. Int. J. Heat Mass Transfer, vol. 45, no. 7, pp. 1425-1444, 2002.
  28. Papanicolaou, E., Giebert, D., Koch, R. and Schulz, A. A Conservation-Based Discretization Scheme for Conjugate Heat Transfer Calculations in Hot-Gas Ducting Turbomachinery Components. Int. J. Heat Mass Transfer, vol. 44, no. 18, pp. 3413-3429, 2001.
  29. Papanicolaou, E. and Rodi, W. Computation of Separated-Flow Transition Using a Two-Layer Model of Turbulence. ASME J. of Turbomachinery, vol. 121, no. 1, pp. 78-87, 1999.
  30. Papanicolaou, E. and Gopalakrishna, S. Natural Convection in Shallow Horizontal Air Layers Encountered in Electronic Cooling. ASME J. of Electr. Packaging., vol. 117, no. 4, pp. 307-316, 1995.
  31. Papanicolaou, E. and Jaluria, Y. Mixed Convection from Simulated Electronic Components at Varying Relative Positions in a Cavity. ASME J. Heat Transfer, vol. 116, no. 4, pp. 960-971, 1994.
  32. Papanicolaou, E. and Jaluria, Y. Transition to a Periodic Regime in Mixed Convection in a Square Cavity. Journal of Fluid Mechanics, vol.239, pp. 489-509, 1992.
  33. Papanicolaou, E. and Jaluria, Y. Mixed Convection from an Isolated Heat Source in a Rectangular Enclosure. Num. Heat Transfer, Part A, vol. 18, no.4, pp. 427-461, 1990.

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