Research contributions from 1966 to 2008 include several hundred journal and proceeding publications, technical reports, books and monographs and patents. Below is a list of research contributions in journals since 1990.

• A. Muftuoglu, E. Bilgen. Heat transfer in inclined rectangular receivers for concentrated solar radiation. I. Comm. Heat Mass Transfer. 35(5) (2008) 551-556.doi:10.1016/j.icheatmasstransfer.2008.01.002.

• E. Bilgen, A. Muftuoglu. Cooling strategy by mixed convection of a discrete heater at its optimum position in a square cavity with ventilation ports. I. Comm. Heat Mass Transfer. 2008.01.001. 35(5) (2008) 545-550. doi: 10.1016/j.icheatmasstransfer.

• E. Bilgen. Conjugate Heat Transfer by Conduction and Natural Convection on a Heated Vertical Wall. Applied Thermal Engineering. doi:10.1016/j.applthermaleng.2008.02.038.

• E. Bilgen, A. Balkaya. Natural convection on discrete heaters in a square enclosure with ventilation ports. I.J. Heat Fluid Flow. doi:10.1016/j.ijheatfluidflow.2008.01.013. 29(2008) 1182-1189.

• M. Taheri, E. Bilgen. Thermo-bioconvection of gravitactic micro-organisms in vertical cylinders. I.J. Heat Mass Transfer. 51(2008) 3535-3547. doi:10.1016/j.ijheatmasstransfer.2007.10.023.

• M. E. Bilgen, BJD. Bakeka. Solar collector systems to provide hot air in rural applications. Renewable Energy 33(2008) 1461-1468.

• A. Muftuoglu, E. Bilgen. Conjugate heat transfer in open cavities with a discrete heater at its optimized position. I.J. Heat Mass Transfer. 51(2008) 779-788.

• HF Nouanegue, LR Alandji, E. Bilgen, Numerical study of solar-wind tower systems for ventilation of dwellings. J. Renewable Energy. 33(2008) 434-443.

• A. Muftuoglu, E. Bilgen. Natural convection in an open square cavity with discrete heaters at their optimized positions. I. J. Thermal Sciences. 47(2008) 369-377

• M. Taheri, E. Bilgen. Bioconvection of gravitactic micro-organisms in rectangular enclosures. I.J. Heat Mass Transfer. 50(2007) 4652-4660.

• J. Raymond, E. Bilgen, On the thermal and ventilation performance of composite walls, Energy and Buldings. 39(2007) 1041-1046.

• Z. Alloui, T.H. Nguyen, E. Bilgen, Numerical investigation of thermo-bioconvection in a suspension of gravitactic microorganisms, Int. J. Heat Mass Transfer 50(2007) 1435-1441

• E. Bilgen and R. Ben Yedder, Natural Convection In Enclosure With Heating and Cooling by Sinusoidal Temperature Profiles on One Side, Int. J. Heat Masss Transfer. 50(2007) 139-150.

• Z. Alloui, T.H. Nguyen, E. Bilgen, Stability analysis of thermo-bioconvection in suspensions of gravitactic micro-organisms in a fluid layer, International Communications in Heat and Mass Transfer 33(2006) 1198-1206

• H. Oztop and E. Bilgen, Natural convection in differentially heated and patially divided square cavities with internal heat generation, Int. J. Heat Fluid Flow, 27(2006) 466-475.

• I.T. Ozturk, H. Karabay and E. Bilgen, Thermo-economic optimization of hot water piping systems: A comparison study, Energy, 31(2006) 1758-1771.

• M. Mbaye, E. Bilgen, Natural Convection in Composite Systems with Phase Change Materials, Heat Mass Transfer, 42(7) (2006) 636-644.

• F. Denantes, E. Bilgen, Counter-rotating turbines for solar chimney power plants, Renewable Energy 31(2006) 1873-1891.

• E. Bilgen, Natural convection in cavities with a thin fin on the hot wall, Int. J. Heat Mass Transfer 48 (2005) 3493-3505.

• E. Bilgen, J. Rheault, Solar chimney power plants for high altitudes, Solar Energy, 79 (2005) 449-458.

• E. Bilgen, H. Oztop, Natural convection heat transfer in partially open inclined square cavities, Int. J. Heat Mass Transfer, 48(8) (2005) 1470-1479.

• Z. Alloui, T.H. Nguyen, E. Bilgen, A numerical study of bioconvection of gravitactic microorganisms in a vertical cylinder, International Communications in Heat and Mass Transfer, 32(6) (2005) 739-747.

• O. Polat, E. Bilgen, Natural convection and conduction heat transfer in open cavities with bounding walls, Heat Mass Transfer, 41(10) (2005) 931-939.

• E. Bilgen, Domestic hydrogen production using renewable energy, Solar Energy, 77(1) (2004) 47-55.

• Z. Yumurtaci and E. Bilgen, Hydrogen production from excess power in small hydroelectric installations, Int. J. Hydrogen Energy, 29 (2004) 687-693.

• E. Bilgen and T. Yamane, Conjugate heat transfer in enclosures with openings for ventilation, Heat and Mass Transfer, Heat Mass Transfer, 40 (2004) 401-411.

• O. Polat and E. Bilgen, Conjugate heat transfer in inclined open shallow cavities, Int. J. Heat Mass Transfer, 46(9) (2003)1563-1573.

• E. Bilgen and H. Takahashi, Exergy analysis and experimental study of heat pump systems, Exergy, An Int. Journal,(4) (2002) 259-265.

• E. Bilgen and M-A. Richard, Horizontal concrete slabs as passive solar collectors , Solar Energy, 72(5) (2002) 405-413.

• S. Fujimoto, E. Bilgen and H. Ogura, Dynamic simulation of CaO/Ca(OH)_2 chemical heat pump systems, Exergy, An Int. Journal, 2 (2002) 6-14.

• S. Fujimoto, E. Bilgen and H. Ogura, CaO/Ca(OH)_2 Chemical heat pump system, Energy Conversion and Management, 43(7) (2002) 947-960.

• O. Polat and E. Bilgen, Laminar natural convection in inclined open shallow cavities, Int. J. Thermal Sciences, 41(4) (2002) 360-368.

• E. Bilgen, Experimental study of massive wall systems with fins attached on the heated wall and with glazing, Heat and Mass Transfer, 38 (2001) 159-164.

• M. Mbaye and E. Bilgen, Subcritical oscillatory instability in porous beds, Int. J. Thermal Sciences, 40 (2001) 595-602.

• E. Bilgen and M. Mbaye, Benard cells in fluid-saturated porous enclosures with lateral cooling, Heat and Fluid Flow, 22(5) (2001) 561-570.

• E. Bilgen, Solar hydrogen from photovoltaic electrolyzer systems, Energy Conversion and Management, 42 (2001) 1047-1057.

• M. Mbaye and E. Bilgen, Phase change process by natural convection-diffusion in rectangular enclosures, Heat and Mass Transfer, 37 (2001) 35-42.

• E. Bilgen, Exergetic and engineering analyses of gas turbine based Co-generation systems, Energy, The International Journal, 25 (2000) 1215-1229.

• E. Bilgen, Passive solar massive wall systems with fins attached on the heated wall and without glazing, J. Solar Energy Engineering, 122 (2000) 30-34.

• R. Ben Yedder and E. Bilgen, Turbulent natural convection in a square enclosure bounded by a solid wall with localized heating, Heat and Mass Transfer, Vol. 35(5), pp. 401-408, 1999.

• M. Mamou, P. Vasseur and E. Bilgen, A Galerkin finite-element study of the onset of double-diffusive convection in an inclined porous enclosure, Int. Heat Mass transfer, Vol. 41, pp. 1513-1529, 1998.

• S-Q. Du, E. Bilgen and P. Vasseur, Mixed convection heat transfer in open ended channels with protruding heaters, Heat and Mass Transfer, Vol. 34, pp. 263-270, 1998.

• M. Mamou, P. Vasseur and E. Bilgen, Double-diffusive convection instability in a vertical porous enclosure, J. Fluid Mechanics, Vol. 368, pp. 263-289, 1998.

• H. Shiga, K. Shinda, K. Hagiwara, A. Tsutsumi, M. Sakurai, K. Yoshida, E. Bilgen, Large scale hydrogen production from biogas, Int. J. Hydrogen Energy, Vol. 23, pp. 631-640, 1998.

• M. Mamou, P. Vasseur and E. Bilgen, Analytical and numerical study of double diffusive convection in a vertical enclosure, Heat and Mass Transfer, Vol. 32, pp. 115-127, 1997.

• R. Ben Yedder and E. Bilgen, Laminar natural convection in inclined enclosures bounded by a solid wall, Heat and Mass Transfer, Vol. 32, pp. 455-462, 1997.

• E.K. Lakhal, M. Hasnaoui, E. Bilgen and P. Vasseur, Natural convection in inclined rectangular enclosures with perfectly conducting fins attached on the heated wall, Heat and Mass Transfer, Vol. 32, pp. 365-373, 1997.

• W. Bian, P. Vasseur, E. Bilgen and F. Meng, Effect of an electromagnetic field on natural convection in an inclined porous layer, Int. J. Heat Fluid Flow, Vol. 17, pp. 36-45, 1996.

• M. Mamou, L. Robillard, E. Bilgen and P. Vasseur, Effects of a moving thermal wave on Benard convection in a horizontal saturated porous layer, Int. Journal Heat Mass Transfer, Vol.39, pp. 347-355, 1996.

• M. Sakurai, E. Bilgen, A. Tsutsumi and K. Yoshida, Adiabatic UT-3 thermochemical process for hydrogen production, Int. J. Hydrogen Energy, Vol. 21, pp. 865-870, 1996.

• M. Sakurai, E. Bilgen, A. Tsutsumi and K. Yoshida, Solar UT-3 thermochemical cycle for hydrogen production, J. Solar Energy, Vol. 57, pp. 51-58, 1996.

• W. Bian, P. Vasseur and E. Bilgen, Effect of an external magnetic field on buoyancy-driven flow in a shallow porous cavity, Numerical Heat Transfer, Part A, Vol. 29, pp. 625-638, 1996.

• G-C. Zha and E. Bilgen, Numerical study of three dimensional flows using unfactored upwind relaxation sweeping algorithm, J. Computational Physics, Vol. 125, pp. 425-433, 1996.

• K. Aboubi, L. Robillard, E. Bilgen and P. Vasseur, Convective heat transfer in an annular fluid layer with centrifugal force field, Int. J. Num. Meth. Heat Fluid Flow, Vol. 5, No. 7, pp. 601-614, 1995.

• E.K. Lakhal, E. Bilgen and P. Vasseur, Natural convection and conduction in massive wall solar collectors with honeycomb and without vents, J. Solar Energy Engineering, Vol. 117, pp. 173-180, 1995.

• K. Aboubi, L. Robillard and E. Bilgen, Convective heat transfer in an annular porous layer with centrifugal force field, Numerical Heat Transfer, Vol. 28, pp. 375-388, 1995.

• K. Yoshida, M. Sakurai and E. Bilgen, Solar hydrogen production by UT-3 cycle, Ionics, No. 242, pp. 65-68, 1995.

• M. Mamou, P. Vasseur, E. Bilgen and D. Gobin, Double diffusive convection in an inclined porous layer, European J. Applied Mechanics, Vol. 14, No. 5, pp. 629-652, 1995.

• S. Alchaar, P. Vasseur and E. Bilgen, The effect of a magnetic field on natural convection in a shallow cavity heated from below, Chem. Eng. Comm., Vol. 134, pp. 195-209, 1995.

• M. Mamou, P. Vasseur and E. Bilgen, Multiple solutions for double diffusive convection in a vertical porous enclosures, Int. J. Heat Mass transfer, Vol. 38, No. 10, pp. 1787-1798, 1995.

• G. Degan, P. Vasseur and E. Bilgen, Convective heat transfer in a vertical anisotropic porous layer, Int. J. Heat Mass Transfer, Vol. 38, No. 11, pp. 1975-1988, 1995.

• A.K. Chenak, M. Mbaye, P. Vasseur and E. Bilgen, Mixed convection and conduction heat transfer in open cavities, Warme und Stoffubertragung, Vol. 30, No. 4, pp. 229-236, 1995.

• S. Alchaar, P. Vasseur and E. Bilgen, Effects of a magnetic field on the onset of convection in a porous medium, Warme und Stoffubertragung, Vol. 30, No. 4, pp. 259-267, 1995.

• S. Alchaar, P. vasseur and E. Bilgen, Natural convection heat transfer in a rectangular enclosure with a transverse magnetic field, J. Heat Transfer, Vol. 117, pp. 668-673, 1995.

• S. Alchaar, P. vasseur and E. Bilgen, Hydromagnetic natural convection in a tilted porous enclosure, Numerical Heat Transfer, Vol. 27, No. 1, pp. 107-127, 1995.

• M. Hasnaoui, E. Bilgen, P. Vasseur and L. Robillard, Analytical and numerical study of natural convection heat transfer in a vertical porous annulus Chem. Eng. Communications, Vol. 136, pp. 77-94, 1995.

• E. Bilgen, X. Wang, P. Vasseur, F. Meng and L. Robillard, On the periodic conditions to simulate mixed convection heat transfer in horizontal channels, Numerical Heat Transfer, Vol. 27, No. 4, pp. 461-472, 1995.

• E.K. Lakhal, E. Bilgen and P. Vasseur, Natural convection in inclined enclosures bounded by a wall with honeycomb structure, Int. J. Heat Mass Transfer, Vol. 38, No.8, pp. 1397-1407, 1995.

• E.K. Lakhal, M. Hasnaoui, P. Vasseur and E. Bilgen, Natural convection in a square enclosure heated periodically from part of the bottom wall, Numerical Heat Transfer, Vol. 27, No. 3, pp. 319-334, 1995.

• A. Kangni, E. Bilgen and P. Vasseur, Natural convection in inclined enclosures with multiple conducting partitions, AIAA J. Thermophysics and Heat Transfer, Vol. 9, No. 2, pp. 270-277, 1995.

• R. Ben Yedder and E. Bilgen, Turbulent natural convection and conduction in enclosures bounded by a massive wall, Int. J. Heat Mass Transfer, Vol. 18, No. 10, pp. 1879-1891, 1995.

• P. Vasseur, M. Hasnaoui, E. Bilgen, and L. Robillard, Natural Convection in an Inclined Fluid Layer with a Transverse Magnetic Fluid: Analogy with a Porous Medium, J. Heat Transfer, Vol. 117, pp. 121-129, 1995.

• E.K. Lakhal, M. Hasnaoui, P. Vasseur and E. Bilgen, Convection naturelle dans une cellule carr饠chauff饠p鲩odiquement par le bas. Etude num鲩que, Rev. G鮮 Therm Fr, No. 392-393, pp. 480-485, 1994.

• W. Bian, P. Vasseur and E. Bilgen, The boundary layer analysis for natural convection in a vertical porous layer filled with non-Newtonian fluids, Int. J. Heat Fluid Flow, Vol. 15, No. 5, pp. 384-391, 1994.

• A. Kangni, E. Bilgen and P. Vasseur, Natural convection in shallow enclosures with multiple conducting partitions, Warme und Stoffubertragung, Vol. 30, pp. 55-62, 1994.

• R. Ben Yedder and E. Bilgen, On the adiabatic-isothermal mixed boundary conditions in heat transfer, Warme u. Stoffubertragung, Vol. 29, pp. 457-460, 1994.

• P. Vasseur, M. Hasnaoui and E. Bilgen, Analytical and numerical study of natural convection heat transfer in an inclined composite enclosure, Applied Scientific Research, Vol. 52, pp. 187-207, 1994.

• I.T. Ozturk, A. Hammache and E. Bilgen, A new process for oxygen generation step for the hydrogen producing sulphur-iodine thermochemical cycle, Vol. 72, pp. 241-250, 1994.

• E. Bilgen and P. Vasseur, Heat transfer in solar bioclimatic houses, Renewable Energy, Vol. 5, pp. 1124-1131, 1994.

• M. Mamou, M. Hasnaoui, P. Vasseur and E. Bilgen, Natural Convection Heat Transfer in Inclined Enclosures with Multiple conducting solid Partitions, Numerical Heat Transfer, Vol. 25, pp. 295-315, 1994.

• E. Ntibarufata, M. Hasnaoui, P. Vasseur and E. Bilgen, Numerical Study of Natural Convection in Habitat with Direct Gain Passive Window Systems, Renewable Energy, Vol. 4, pp. 33-40, 1994.

• E. Bilgen and P. Vasseur, Heat transfer in solar-bioclimatic houses, Renewable Energy, Vol. 5, pp. 1124-1131, 1994.

• B. Amari, P. Vasseur and E. Bilgen, Natural convection of non-newtonian Fluids in a horizontal porous layer, Warme und Stoffubertragung, Vol. 29, pp. 185-193, 1994.

• E. Bilgen, Experimental Study of Thermal Performance of Automated Venetian Blind Window Systems, Solar Energy, Vol. 52, No. 1, pp. 3-7, 1994.

• W. Bian, P. Vasseur and E. Bilgen, Natural convection of non-Newtonian fluids in an inclined porous layer, Chem. Eng. Communications, Vol. 129, pp. 79-97, 1994.

• C. Yucel, M. Hasnaoui, L. Robillard and E. Bilgen, Mixed Convection Heat Transfer in Open Ended Inclined Channels with Discrete Isothermal Heating, Numerical Heat Transfer, Vol. 24, pp. 109-126, 1993.

• E. Ntibarufata, M. Hasnaoui, P. Vasseur, and E. Bilgen, Natural Convection in Partitioned Enclosures with Localized Heating, Numerical Methods for Heat on Fluid Flow, Vol. 3, No. 2, pp. 133-143, 1993.

• M. Hasnaoui, P. Vasseur and E. Bilgen, Natural Convection Heat Transfer in Inclined Tall Cavities Bounded by Porous Layers, Int. J. of Numerical Methods for Heat & Fluid Flow, Vol. 3, pp. 91-105, 1993.

• G-C. Zha and E. Bilgen, Numerical solutions of Euler equations by using a new flux vector splitting scheme, Int. J. Num. Methods in Fluids, Vol. 17, pp. 115-144, 1993.

• M. Mbaye, E. Bilgen and P. Vasseur, Natural Convection Heat Transfer in an Inclined Porous Layer Boarded by a Finite Thickness Wall, Int. J. Heat and Fluid Flow, Vol. 14, No. 3, pp. 284-291, 1993.

• M. Mbaye and E. Bilgen, Conduction and Convection Heat Transfer in Composite Solar Collector Systems with Porous Absorber, Warme und Stoffubertragung, Vol. 28. pp. 267-274, 1993.

• S. Rheault and E. Bilgen, Mixed convection heat transfer in open ended inclined channels with flow reversal, Warme und Stoffubertragung, Vol. 29, pp. 107-116, 1993.

• A. Hammache and E. Bilgen, Nuclear hydrogen production based on sulfuric acid decomposition process, J. Energy Resources Technology, Vol. 114, pp. 227-234, 1992.

• A. Hammache and E. Bilgen, Exergy and engineering analyses of sulfuric acid decomposition process, Chemical Eng. Tech., Vol. 15, pp. 331-340, 1992.

• Z-G. Du and E. Bilgen, Natural convection in vertical cavities with internal heat generating porous medium, Warme und Stoffubertragung, Vol. 27, pp. 149-155, 1992.

• M. Mbaye and E. Bilgen, Natural convection and conduction in porous wall solar collector systems without vents, J. Solar Energy Engineering, Vol. 114, pp.40-46, 1992.

• A. Hammache and E. Bilgen, Exergy and engineering analyses of hybrid thermochemical solar hydrogen production, Renewable Energy J., Vol. 2, pp. 431-444, 1992.

• M. Hasnaoui, P. Vasseur and E. Bilgen, Natural convection in rectangular enclosures with adiabatic fins attached on the heated wall, Warme und Stoffubertragung, Vol. 27, pp. 357-368, 1992.

• M. Hasnaoui, E. Bilgen and P. Vasseur, Natural convection in rectangular cavities partially heated from below, AIAA J. Thermophysics and Heat Transfer, Vol. 6, No. 2, pp. 255-264, 1992.

• Z-G. Du and E. Bilgen, Coupling of wall conduction with natural convection in a rectangular enclosure, Int. J. Heat Mass Transfer, Vol. 35, pp. 1969-1975, 1992.

• M. Hasnaoui, E. Bilgen, P. Vasseur and L. Robillard, Mixed convective heat transfer in a horizontal channel heated periodically from below, Numerical Heat Transfer part A, Vol. 20, pp. 297-315, 1991.

• A. Kangni, R. Ben Yedder and E. Bilgen, Natural convection and conduction in enclosures with multiple vertical partitions, Int. J. Heat Mass Transfer, Vol.34, No. 11, pp. 2819-2825, 1991.

• R. Ben Yedder and E. Bilgen, Natural convection and conduction in Trombe Wall systems, Int. J. Heat Mass Transfer, Vol. 34, No. 4/5, pp. 1237-1248, 1991.

• M. Hasnaoui, P. Vasseur and E. Bilgen, Natural Convection above an array of open cavities heated from below, Numerical Heat Transfer, part A, Vol. 18, pp. 463-482, 1990.

• Z-G. Du and E. Bilgen, Effects of heat intensity, size, and position of the components on temperature distribution within an electronic PCB enclosure, J. Electronic Packaging, Vol. 112, pp. 249-254, 1990.

• Z-G. Du and E. Bilgen, Natural convection in vertical cavities with partially filled heat generating medium, Numerical Heat Transfer, Part A, Vol. 18, pp. 371-386, 1990.

• Z-G. Du and E. Bilgen, Natural convection in composite wall collectors with porous absorber, Solar Energy, 45, No. 6, pp. 325-332, 1990.

• R. Ben Yedder, Z-G. Du and E. Bilgen, Numerical study of laminar natural convection in composite Trombe wall systems, Solar & Wind Tech., Vol. 7, No. 6, pp. 675-683, 1990.

• Y. Boluk, M. Aktik and E. Bilgen, Energy requirements and cost in polymer curing processes, Energy, vol. 15/19, pp. 811-820, 1990.

• S. Rheault and E. Bilgen, Experimental study of full size automated venetian blind windows, Solar Energy, vol. 44, pp. 157-160, 1990.

• M. Hasnaoui, Z. Zrikem, P. Vasseur and E. Bilgen, Radiation induced natural convection in enclosures with conducting walls, J. Wind & Solar Techn., Vol. 7, No. 5, pp. 515-525, 1990.