**International Journal of Energy Engineering**

International journal of Energy Engineering is an open access, peer-reviewed scientific journal that publishes original articles, critical reviews, research notes, debate and short reports in all areas of energy engineering.

**p-ISSN:**2163-1891**e-ISSN:**2163-1905**Website:**http://journal.sapub.org/ijee

## Ahmet Z. Sahin

**Editorial Board Member of**

*International Journal of Energy Engineering*Professor, King Fahd University of Petroleum and Minerals, Saudi Arabia

**Research Areas**

Thermo-fluids and Energy

### Education

1988 | Ph.D. | Department of Mechanical Engineering, The University of Michigan, Ann Arbor, MI, USA |

1984 | M.Sc. | Department of Mechanical Engineering, The University of Michigan, Ann Arbor, MI, USA |

1982 | B.Sc. | Aeronautical Engineering Department, Istanbul Technical University, Istanbul, Turkey |

### Experience

2001-Present | Professor, Mechanical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia. |

1995-2001 | Associate Professor, Mechanical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia. |

1989-1995 | Assistant Professor, Mechanical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia. |

1988-1989 | Post-Doctoral Researcher, Department of Mechanical Engineering, The University of Michigan, Ann Arbor, MI, USA. Conducted research on Gas Combustion in Turbulent Flow. |

1985-1988 | Computer Supervisor, Computer Aided Engineering Network(CAEN), The University of Michigan, Ann Arbor, MI, USA. Supervised SEVEN computer labs of the CAEN. |

1986-1988 | Teaching Assistant, Department of Mechanical Engineering, The University of Michigan, Ann Arbor, MI, USA. |

1985-1986 | Research Assistant, Department of Mechanical Engineering, The University of Michigan, Ann Arbor, MI, USA. |

### Publications: Journals

[1] | Sahin, A.Z., "Density of Frost Layer During the Crystal Growth Period", The Arabian J. for Science and Engineering, vol. 16, no. 4, pp. 485-493, Nov. 1991, (Technical note). |

[2] | Sahin, A.Z., "Transient Heat Conduction in Semi-Infinite Solid with Spatially Decaying Exponential Heat Generation", International Comm. Heat and Mass Transfer Journal, vol. 19, no. 3, pp. 349-358, May/June 1992. |

[3] | Yilbas, B.S., and Sahin, A.Z., "Heating Mechanism in Relation to the Laser Machining Process", Pramana Journal of Physics, Vol. 41, No. 5, pp. 453-465, November 1993. |

[4] | Yilbas, B.S. and Sahin, A.Z., "An Approach to Convergency of Kinetic Theory to Fourier Theory in Relation to Laser Heating Process", Japanese Journal of Applied Physics, vol. 32, Part 1, No. 12A, pp. 5646-5651, December 1993. |

[5] | Sahin, A.Z., Yilbas, B.S. and Al-Garni, A.Z., "Transient Heat Conduction in a Slab During Direct Resistance and Induction Heating", The International Communications in Heat and Mass Transfer Journal, vol. 21, no. 2, pp. 199-206, March/April 1994. |

[6] | Yilbas, B.S. and Sahin, A.Z., "Laser Pulse Optimization for Practical Laser Drilling", Optics and Lasers in Engineering, no. 20, pp. 311-323, 1994. |

[7] | Sahin, A.Z., "An Experimental Study on the Initiation and Growth of Frost Formation on a Horizontal Plate", Experimental Heat Transfer, An International Journal, vol. 7, no. 2, pp. 101-119, April-June 1994. |

[8] | Yilbas, B.S. and Sahin, A.Z., "Turbulent Boundary Layer Approach Allowing Chemical Reactions for CO2 Laser Oxygen Assisted Cutting Process", Proceedings of the Institution of Mechanical Engineers, Part C, Journal of Mechanical Engineering Science, Vol. 208, pp. 275-284, 1994. |

[9] | Yilbas, B.S. and Sahin, A.Z., "Laser Heating Mechanism Including Evaporation Process", The International Communications in Heat and Mass Transfer Journal, vol. 21, no. 4, pp. 509-518, July/August 1994. |

[10] | Sahin, A.Z., "Analytical Solutions of Transient Heat Conduction in Semi-Infinite Solid with Time Varying Boundary Conditions by Means of Similarity Transformation", The International Communications in Heat and Mass Transfer Journal, vol. 22, no. 1, pp. 89-97, Jan/February 1995. |

[11] | Yilbas, B.S., Sahin, A.Z., Kahraman, N. and Al-Garni, A.Z., " Friction Welding of St-Al and Al-Cu Materials", Journal of Materials Processing Technology, vol. 49, no. 3-4, pp. 431-443, 1995. |

[12] | Yilbas, B.S. and Sahin, A.Z., "Oxygen Assisted Laser Cutting Mechanism-A Laminar Boundary Layer Approach Including the Combustion Process", Optics and Laser Technology, vol. 27, no. 3, pp. 175-184, 1995. |

[13] | Yilbas, B.S., Sahin, A.Z., and Davies R., "Laser Heating Mechanism Including Evaporation Process Initiating the Laser Drilling", International Journal of Machine Tools and Manufacture, vol. 35, no. 7, pp. 1047-1062, 1995. |

[14] | Yilbas, B.S., Sahin, A.Z., Sami, M., Coban, A. and Bozdogan, R. "Study into Laser Heating of Ti-14Al-21Nb Alloy to Improve Properties", Optics and Lasers in Engineering, no 23, pp. 53-64, 1995. |

[15] | Sahin, A.Z., Kavranoglu, D. and Bettayeb, M., "Model Reduction in Numerical Heat Transfer Problems", Applied Mathematics and Computation, vol. 69, pp. 209-225, May 1995. |

[16] | Yilbas, B.S., Sahin, A.Z., Coban, A. and Abdulaleem, B.J., "Investigation into the Properties of Friction-Welded Aluminum Bars", Journal of Materials Processing Technology, Journal Special Volume-AMPT'93, vol. 54, no. 1-4, pp. 76-81, 1995. |

[17] | Al-Garni, A.Z., Sahin, A.Z., Yilbas, B.S. and Ahmed, S.A., "Cooling of Aerospace Plane Using Liquid Hydrogen and Methane", AIAA Journal of Aircraft, vol. 32, no. 3, pp. 539-546, May-June 1995. |

[18] | Sahin, A.Z., "An Analytical Study of Frost Nucleation and Growth During the Crystal Growth Period", Warme- und Stoffübertragung, Heat and Mass Transfer, no. 30, pp. 321-330, 1995. |

[19] | Yilbas, B.S., Sahin, A.Z., Ahmad, Z. and Abdulaleem, B.J., "A Study of the Corrosion Properties of TiN Coated and Nitrided Ti-6Al-4V", Corrosion Science, vol. 37, no. 10, pp. 1627-1636, 1995. |

[20] | Al-Garni, A.Z., Sahin, A.Z., "Designing a Cooling System for an Aerospace Plane Using H2, CH4, NH3, Kr, and Xe", Canadian Aeronautics and Space Journal, vol. 41, no. 4, pp. 193-201, December 1995. |

[21] | Yilbas, B.S., Sami, M., Kar, A.K., and Sahin, A.Z., "First and Second Law Efficiencies of Laser Drilling of Stainless Steel", ENERGY-The International Journal, vol. 21, no. 3, pp. 197-203, 1995. |

[22] | Al-Garni, A.Z., Sahin, A.Z., and Yilbas, B.S., "Active Cooling of a Hypersonic Plane Using Hydrogen, Methane, Oxygen and Fluorine", Proceedings of the Institution of Mechanical Engineers, Part G, Journal of Aerospace Engineering, vol. 210, pp. 9-17, 1996. |

[23] | Yilbas, B.S., Sahin, A.Z., Al-Garni, A.Z., Said, S.A.M., Ahmed, Z., Abdulaleem, B.J. and Sami, M., "Plasma Nitriding of Ti-6Al-4V Samples to Improve Some Tribological Properties", Surface and Coatings Technology, vol. 80, pp. 287-292, 1996. |

[24] | Sahin, A.Z., Yilbas, B.S. and Al-Garni, A.Z., "Friction Welding of Al-Al, Al-Steel and Steel-Steel Samples", Journal of Materials Engineering and Performance, vol. 5, no. 1, pp. 89-99, February 1996. |

[25] | Yilbas, B.S., Al-Garni, A.Z. and Sahin, A.Z., "Study into a Small Scale Water Driven Domestic Heat Pump Design and Performance Analysis", Energy Resources, Journal of Extraction, Conversion, and Environment, vol. 18, pp. 951-963, 1996. |

[26] | Yilbas, B.S., Sahin, A.Z., Said, S.A.M., Nickel, J., and Coban A., "Investigation Into Some Tribological Properties of Plasma Nitrided Hot-Worked Tool Steel AISI H11", Journal of Materials Engineering and Performance, vol. 5, no. 2, pp. 220-224, April 1996. |

[27] | Sahin, A.Z., "Direct Resistance and Induction Heating of a Slab With Convective Surfaces", Warme- Und Stoffübertragung, Heat and Mass Transfer, no. 32, pp. 133-139, 1996. |

[28] | Sahin, A.Z., "Analysis of Surface Heating by Induction", Journal of Materials Engineering and Performance, vol. 5, no. 5, pp. 657-662, 1996. |

[29] | Sahin, A.Z., "Thermodynamics of Laminar Viscous Flow through a Duct Subjected to Constant Heat Flux", ENERGY-The International Journal, vol. 21, no. 12, pp. 1179-1187, 1996. |

[30] | Sahin, A.Z., "A 3D Numerical Study of Heat Conduction in Friction Welding Process", Mathematical & Computational Applications, vol. 1, no. 2, pp. 111-116, 1996. |

[31] | Sahin, A.Z., "Optimal Insulation of Structures with Varying Thermal Conductivity", AIAA Journal of Thermophysics and Heat Transfer, vol. 11, no. 2, pp. 153-157, April-June 1997. |

[32] | Al-Garni, A.Z., Sahin, A.Z., and Al-Farayedhi, A., "A Reliability Study of Fokker F-27 Airplane Brakes", Reliability Engineering and System Safety, vol. 56, pp. 143-150, 1997. |

[33] | Sahin, A.Z., "Thermodynamic Design Optimization of a Heat Recuperator", International Communications in Heat and Mass Transfer, vol. 24, no. 7, pp. 1029-1038, 1997. |

[34] | Sahin, A.Z., Yilbas, B.S., Ahmed, M. and Nickel, J., "Analysis of the Friction Welding Process in Relation to the Welding of Copper and Steel Bars", Journal of Materials Processing Technology, vol. 82, no. 1-3, pp. 127-136, October 1998. |

[35] | Sahin, A.Z., "Second Law Analysis of Laminar Viscous Flow Through a Duct Subjected to Constant Wall Temperature", ASME Journal of Heat Transfer, vol. 120, no. 1, pp. 76-83, February 1998. |

[36] | Sahin, A.Z., and Al-Garni, A.Z., "Transient Temperature Analysis of Airplane Carbon Composite disk Brakes", AIAA Journal of Thermophysics and Heat Transfer, vol. 12, no. 2, pp. 283-285, 1998. (Technical note). |

[37] | Sahin, A.Z., "Effect of Viscosity on Effectiveness of Parallel Flow Heat Exchanger", Energy Conversion and Management, an International Journal, vol. 39, no. 12, pp. 1233-1238, 1998. |

[38] | Sahin, A.Z., "A Second Law Comparison for Optimum Shape of Duct Subjected to Constant Wall Temperature and Laminar Flow", Heat and Mass Transfer, vol. 33, pp. 425-430, 1998. |

[39] | Sahin, A.Z., "Irreversibilities in Various Duct Geometries with Constant Wall Heat Flux and Laminar Flow", Energy-The International Journal, vol. 23, no. 6, pp. 465-473, 1998. |

[40] | Sahin, A.Z., "The Effect of Viscous Dissipation on the Performance of a Recuperator", International Journal of Energy Research, vol. 22, pp. 1199-1204, 1998. |

[41] | Sahin, A.Z., and Aksakal, A., "Wind Power Energy Potential at the Northeastern Region of Saudi Arabia", Renewable Energy, vol. 14, no. 1-4, pp. 435-440, 1998. |

[42] | Sahin, A.Z., "Theoretical Limits for Power Generation and Efficiency of Solar Driven Heat Engines", Renewable Energy, vol. 16, no. 4, pp. 2292-2295, 1998. |

[43] | Kahraman, R., Khan, K.A., Ali, S.A., Hamid, S.H., and Sahin, A.Z., "A Study of the Effect of Polystyrene Sulfonation on the Performance of Terephthaloyl Chloride-Dihydroxydiphenyl Sulfone Copolymer/Polystryrene System", Journal of Materials Engineering and Performance, vol. 7, no. 6, pp. 739-746, 1998. |

[44] | Sahin, A.Z., Aksakal, A., and Sunar, M., "Solar-Energy Availability in the North-Eastern Arabian Peninsula", Applied Energy, vol. 64, pp. 323-329, 1999. |

[45] | Al-Garni, A.Z., Sahin, A.Z., Al-Ghamdi, A., and Al-Kaabi, S., "Reliability Analysis of Airplane Brakes", Quality and Reliability Engineering International, vol. 15, pp. 143-150, 1999. |

[46] | Sahin, A.Z., and Aksakal, A., "A Statistical Analysis of Wind Energy Potential at the Eastern Region of Saudi Arabia", International Journal of Energy Research, vol. 23, no. 10, pp. 909-917, 1999. |

[47] | Al-Garni, A.Z., Sahin, A.Z., and Al-Farayedhi, A., "Modeling of Weather Characteristics and Wind Power in the Eastern Part of Saudi Arabia", International Journal of Energy Research, vol. 23, no. 9, pp. 805-812, 1999. |

[48] | Sahin, A.Z., "The Effect of Variable Viscosity on the Entropy Generation and Pumping Power in a Laminar Fluid Flow Through a Duct Subjected to Constant Heat Flux", Heat and Mass Transfer, vol. 35, pp. 499-506, 1999. |

[49] | Sahin, A.Z., "Effective Thermal Conductivity of Frost During the Crystal Growth Period", International Journal of Heat and Mass Transfer, vol. 43, no. 4, pp. 539-553, 2000. |

[50] | Sahin, A.Z., "Entropy Generation in Turbulent Viscous Flow Through a Smooth Duct Subjected to Constant Wall Temperature", International Journal of Heat and Mass Transfer, vol. 43, no. 8, pp. 1469-1478, 2000. |

[51] | Sahin, A.Z., Aksakal, A., and Kahraman, R., "Solar Radiation Availability in the Northeastern Region of Saudi Arabia", Energy Sources, Journal of Extraction, Conversion, and the Environment, vol. 22, no. 10, pp. 859-864, December 2000. |

[52] | Sahin, A.Z., "Applicability of Wind-Solar Thermal Hybrid Power Systems in the Northeastern part of Arabian Peninsula", Energy Sources, Journal of Extraction, Conversion, and the Environment, vol. 22, no. 9, pp. 845-850, November 2000. |

[53] | Sahin, A.Z., Al-Garni, A.Z., Sunar, M., and Kahraman, R., "Thermal Analysis of Antiskid Aircraft Brake System", Transactions of the Japan Society for Aeronautical and Space Sciences, vol. 42, no. 138, pp. 153-158, February 2000. |

[54] | Sahin, A.Z., and Dincer, I., "Analytical Modeling of Transient Phase-Change Problems", International Journal of Energy Research, vol. 24, no. 12, pp. 1029-1039, 2000. |

[55] | Sahin, A.Z., "Optimum Operating Conditions of Solar Driven Heat Engines", Energy Conversion and Management, vol. 41, no. 13, pp. 1335-1343, 2000. |

[56] | Sahin, A.Z., Zubair, S.M., Al-Garni, A.Z., and Kahraman, R., "Effect of Fouling on the Operational Cost in Pipe Flow due to Entropy Generation", Energy Conversion and Management, vol. 41, no. 14, pp. 1485-1496, 2000. |

[57] | Al-Garni, A.Z., Al-Garni, A.M., Ahmed, S.A., and Sahin, A.Z., "Flow Control for an Airfoil with Leading-Edge Rotation: An Experimental Study", AIAA Journal of Aircraft, vol. 37, no. 4, pp. 617-622, July-August 2000. |

[58] | Sahin, A.Z., "Wind Energy and Its Environmental Impact", International Journal of Global Energy Issues, vol. 15, no. 3/4, pp. 343-362, 2001. |

[59] | Sahin, A.Z., Al-Garni, A.Z., and Al-Farayedhi, A., "Analysis of a Small Horizontal Axis Wind Turbine Performance", International Journal of Energy Research, vol. 25, no. 6, pp. 501-506, 2001. |

[60] | Kahraman, R., Khan, K.A., Ali, S.A., Sahin, A.Z., and Yilbas, B.S. "Properties of Composites of Polycarbonate and a Liquid Crystalline Copolyester", Emirates Journal for Engineering Research, vol. 6, no. 1, pp. 1-6, 2001. |

[61] | Sahin, A.Z., "Finite Time Thermodynamics Analysis of a Solar driven Heat Engine", International Journal of Exergy, vol. 1, no. 2, pp. 122-126, 2001. |

[62] | Oturanc, G. and Sahin, A.Z., "Eigenvalue Analysis of Temperature Distribution in Composite Walls", International Journal of Energy Research, vol. 25, pp. 1189-1196, 2001. |

[63] | Al-Garni, A.Z., Ahmed, S.A., Sahin, A.Z., and Al-Garni, A.M., "An Experimental Study of a 65 Degree Delta Wing with Different Pitching Rates", Canadian Aeronautics and Space Journal, vol. 47, no. 2, pp. 85-93 , June 2001. |

[64] | Kalyon, M. and Sahin, A.Z., "Application of Optimal Control Theory in Pipe Insulation", Numerical Heat Transfer, Part A: Applications, vol. 41 no. 4, pp. 391-402, 2002. |

[65] | Bagalagel, S.M. and Sahin, A.Z., "Design Optimization of Heat Exchangers with High Viscosity Fluids", International Journal of Energy Research, vol. 26, no. 10, pp. 867-880, 2002. |

[66] | Sahin, A.Z., Dincer, I., Yilbas, B.S. and Hussain, M.M., "Determination of Drying Times for Regular Multi-Dimensional Objects", International Journal of Heat and Mass Transfer, vol. 45, no. 8, pp. 1757-1766, 2002. |

[67] | Dincer, I., Hussain, M.M., Sahin, A.Z. and Yilbas, B.S. "Development of a new Moisture Transfer (Bi-Re) Correlation for Food Drying Applications", International Journal of Heat and Mass Transfer, vol. 45, no. 8, pp. 1749-1755, 2002. |

[68] | Dincer, I., Hussain, M.M., Yilbas, B.S. and Sahin, A.Z. "Development of a new Drying Correlation for Practical Applications", International Journal of Energy Research, vol. 26, no. 3, pp. 245-251, 2002. |

[69] | Sahin, A.Z. and Dincer, I., "Graphical Determination of Drying Process and Moisture Transfer Parameters for Solids Drying", Int. J. of Heat and Mass Transfer, vol. 45, no. 16, pp. 3267-3273, 2002. |

[70] | Sahin, A.Z., "Entropy Generation and Pumping Power in a Turbulent Fluid Flow through a Smooth Pipe Subjected to Constant Heat Flux", Exergy, an International Journal, vol. 2, no. 4, pp. 314-321, 2002. |

[71] | Sahin, A.Z. and Dincer, I., "Determination of Drying Times for Irregular Two and Three Dimensional Objects", ASME Journal of Heat Transfer, vol. 125, no. 6, pp. 1190-1193, 2003 (Technical note). |

[72] | Sahin, A.Z. and Al-Garni, A.Z., "Environmental Impact of Hydrogen Energy Use: Environmental, Efficiency and Economic Aspects of Hydrogen Energy Utilisation", Renewable Energy 2003, An Official Publication of the World Renewable Energy Network, no. 3, pp. 93-95, 2003. |

[73] | Sahin, A.Z. and Ben-Mansour, R., "Entropy Generation in Laminar Fluid Flow through a Circular Pipe", Entropy, vol. 5, no. 5, pp. 404-416, 2003. |

[74] | Sahin, A.Z. and Kalyon, M., "The Critical Radius of Insulation in Thermal Radiation Environment", Heat and Mass Transfer, vol. 40, no. 5, pp. 377-382, 2004. |

[75] | Sahin, A.Z., "Optimal Insulation of Ducts in Extraterrestrial Applications", Int. J. of Energy Research, vol.28, no. 3, pp. 195-203, 2004. |

[76] | Sahin, A.Z. and Dincer, I., "Incorporation of the Dincer Number into the Moisture Diffusion Equation", Int. Communications in Heat and Mass Transfer, vol. 31, no. 1, pp. 109-119, 2004. |

[77] | Oztop, H.F., Sahin, A.Z., and Dagtekin, I., "Entropy Generation through Hexagonal Cross-Sectional Duct for Constant Wall Temperature in Laminar Flow", Int. J. of Energy Research, vol. 28, no. 8, pp. 725-737, 2004. |

[78] | Dincer, I., and Sahin, A.Z., "A New Model for Thermodynamic Analysis of a Drying Process", Int. J. of Heat and Mass Transfer, vol. 47, no. 4, pp. 645-652, 2004. |

[79] | Pakdemirli, M. and Sahin, A.Z., "Group Classification of Fin Equation with Variable Thermal Properties", International Journal of Engineering Science, no. 42, pp. 1875-1889, 2004. |

[80] | Ben-Mansour, R. and Sahin, A.Z., "Entropy Generation in Developing Laminar Fluid Flow through a Circular Pipe with Variable Properties", Heat and Mass Transfer, vol. 42, pp. 1-11, 2005. |

[81] | Sahin, A.Z. and Kalyon, M., "Maintaining Uniform Surface Temperature along Pipes by Insulation", Energy-The International Journal, vol. 30, no. 5, pp. 637-647, 2005. |

[82] | Dagtekin, I., Oztop, H.F. and Sahin, A.Z., "An Analysis of Entropy Generation through a Circular Duct with Different Shaped Longitudinal Fins for Laminar Flow", Int. J. of Heat and Mass Transfer, vol. 48, no. 1, pp. 171-181, 2005. |

[83] | Sahin, A.Z. and Dincer, I., "Prediction of Drying Times for Irregular Shaped Multi-Dimensional Moist Solids", Journal of Food Engineering, vol. 71, no. 1, pp. 119-126, 2005. |

[84] | Pakdemirli, M. and Sahin, A.Z., "Approximate Symmetries of Hyperbolic Heat Conduction Equation with Temperature Dependent Thermal Properties", Mathematical and Computational Applications, vol. 10, no. 1, pp. 139-145, 2005. |

[85] | Sahin, A.Z., "The Role of Hydrogen Energy in Sustainable Development", Journal of the Association of Arab Universities for Basic and Applied Science (JAAUBAS), vol. 1, pp. 77-86, Dec. 2005. |

[86] | Pakdemirli, M. and Sahin, A.Z., "Similarity Analysis of a Nonlinear Fin Equation", Applied Mathematics Letters, vol. 19, no. 4, pp. 378-384, 2006. |

[87] | Pakdemirli, M. and Sahin, A.Z., "A Similarity Solution of Fin Equation with Variable Thermal Conductivity and Heat Transfer Coefficient", Mathematical and Computational Applications, vol. 11, no. 1, pp. 25-30, 2006. |

[88] | Sahin, A.Z., "Closure to "Discussion of ‘Second Law Analysis of Laminar Viscous Flow Through a Duct Subjected to Constant Wall Temperature’"", ASME Journal of Heat Transfer, vol. 129, no. 9, p. 1303, 2007. (Discussion) |

[89] | Sahin, A.Z., Ayar, T., and Yilbas, B.S., "First and Second Law Analyses of Laser Cutting Process in Relation to the End Product Quality", International Journal of Energy Research, vol. 32, pp. 689-697, 2008. |

[90] | Sahin, A.Z., Ayar, T., and Yilbas, B.S., "Efficiency Analysis of Laser Hole Cutting", International Journal of Exergy, vol. 6, no. 4, pp. 592-604, 2009. |

[91] | Sahin, A.Z, and Yilbas, B.S., "Entropy Generation in the Flow System Generated In Between Two Parallel Plates Due To Bivertical Motion of the Top Plate", Sadhana, vol. 34, no. 3, pp. 455-466, 2009. |

[92] | Sahin, A.Z., "First and Second Law Thermodynamics Analysis of Pipe Flow", BOOK CHAPTER in "Fluid Mechanics and Pipe Flow: Turbulence, Simulation and Dynamics" ISBN: 978-1-60741-037-9, Nova Science Publishers, Inc., pp. 317-342, 2009. |

[93] | Oztop, H.F., Dagtekin, I., and Sahin, A.Z., "Second Law Analysis of Fully Developed Laminar Flow for Rectangular Ducts with Semicircular Ends", International Communications in Heat and Mass Transfer, vol. 36, no. 7, pp. 725-730, 2009. |

[94] | Arshad, M.H., Kahraman, R., Sahin, A.Z., and Mansour, R.B., "Second Law Analysis of Compressible Flow through a Diffuser Subjected to Constant Wall Temperature", International Journal of Exergy, vol. 7, no. 1, pp. 110-129, 2010. |

[95] | Sahin, A.Z., and Zubair, S.M., "Exergy Analysis of Process Heaters", International Journal of Exergy, vol. 7, no. 4, pp. 505-520, 2010. |

[96] | Sahin, A.Z., Ayar, T., and Yilbas, B.S., "Laser Welding: The First and Second Law Analysis", International Journal of Exergy, vol. 7, no. 5, pp. 535-546, 2010. |

[97] | Sahin, A.Z., Ayar, T., and Yilbas, B.S., "Laser Welding of Dissimilar Metals and Efficiency Analysis", Lasers in Engineering, vol. 19, no. (3-4), pp. 139-152, 2010. |

[98] | Yilbas, B.S., Sahin, A.Z., Ayar, T., and Abdul Aleem, B.J., "Laser Nitriding of Steel Surface: Efficiency Analysis", International Journal of Surface Science and Engineering, vol. 4, no. 4-6, pp. 492-504, 2010. |

[99] | Arshad, M.H., Kahraman, R., Sahin, A.Z., and Ben-Mansour, R., "Second Law Analysis of Compressible Flow through a Diffuser Subjected to Constant Heat Flux at Wall", Energy Conversion and Management, vol. 51, no. 12, pp. 2808-2815, 2010. |

[100] | Yilbas, B.S. and Sahin, A.Z., "Thermoelectric Device and Optimum External Load Parameter and Slenderness Ratio", Energy, vol. 35, no. 12, pp. 5380-5384, 2010. |

[101] | Sahin, A.Z. and Yilbas, B.S., "The influence of operating and device parameters on the maximum efficiency and the maximum output power of thermoelectric generator", International Journal of Energy Research, accepted for publication, 2010. |

[102] | Bejan, A., Lorente, S., Yilbas, B.S., and Sahin, A.Z., "The effect of size on efficiency: Power plants and vascular designs", International Journal of Heat and Mass Transfer, vol. 54, no. 7-8, pp. 1475–1481, 2011. |

[103] | Sahin, A.Z., Bolat, A., and Al-Ahmari, A., "Investigation of Underground Water Pumping Capacity Using Wind Energy at Dhahran", Arabian Journal for Science and Engineering, vol. 36, pp. 879-889, 2011. |

[104] | Sahin, A.Z., Yilbas, B.S., Shuja, S.Z., and Momin O., "Investigation into topping cycle: Thermal efficiency with and without presence of thermoelectric generator", Energy, vol. 36, no. 7, pp. 4048-4054, 2011. |

[105] | Sahin, A.Z., "The natural optimality in heat and fluid flow phenomena", International Journal of Exergy, vol. 9, no. 3, pp. 346-354, 2011. |

[106] | Sahin, A.Z., "Entropy production minimization in steady state heat conduction", International Journal of the Physical Sciences, vol. 6, no. 12, pp. 2826-2831, 2011. |

[107] | Yilbas, B.S., Sahin, A.Z., Chatwin, C., Ayar, T., "Laser Cutting of Kevlar Laminates: First and Second Law Analysis", Journal of Mechanical Science and Technology, vol. 25, no. 4, pp. 855-862, 2011. |

[108] | Yilbas, B.S., Sahin, A.Z., and Akhtar, S., "Laser Treatment of Alumina Surfaces: The First and The Second Law Analysis", International Journal of Surface Science and Engineering, vol. 5, no. 2-3, pp. 116-130, 2011. |

[109] | Sahin, A.Z., "Critical Insulation Thickness for Maximum Entropy Generation", International Journal of Exergy, accepted for publication, 2011. |

[110] | Ben-Mansour, R., and Sahin, A.Z., "Flow Characteristics and Entropy Generation in Conical Micro-Diffusers and Micro-Nozzles", International Journal of Exergy, submitted for publication, 2011. |

### Publications: Conferences/Workshops/Symposiums

[1] | Yilbas, B.S., and Sahin, A.Z., "Laser Welding of Stainless Steel Sheets and Heat Transfer Mechanism Initiating the Laser Welding Process", Proceedings of the Technical Exchange Meeting ASME Saudi Arabian Chapter, Mechanical Engineering in the Gulf Area 1993 (MEGA '93), Dhahran, June 14-15, 1993. |

[2] | Yilbas, B.S., Sahin, A.Z., Coban, A. and Abdulaleem, B.J., "Investigation into Properties of Friction Welding of Aluminum Bars", Proceedings of the International Conference and Advances in Materials and Processing Technologies (AMPT '93), pp. 1081-1089, Dublin, Aug. 24-27, l993. |

[3] | Daldaban, F., Gorür, A., Yilbas, B.S. and Sahin, A.Z., "Measurement and Prediction of Some Plasma Characteristics Using a Langmuir Probe and a He-Ne Laser Beam", Proceedings of Al-Azhar Engineering Third International Conference, Cairo, Dec. 18-21, 1993. |

[4] | Yilbas, B.S., Sahin, A.Z., and Ciftlikli, C., "Use of Fiber Optic Probe During CO2 Laser Drilling", Proceedings of the International Symposium on Measurement Technology and Intelligent Instruments, 1993, SPIE vol. 2101, pp. 1408-1413, Wuhan, China, Oct. 29-Nov. 5, 1993. |

[5] | Gorur, A., Ciftlikli, C., Yilbas, B.S. and Sahin, A.Z., "Measurement of Variation in Optical Properties of Fiber Optic Cables-Produced by HESFIBEL-Subjected to Mechanical Bending", Proceedings of the International Symposium on Measurement Technology and Intelligent Instruments, 1993, SPIE vol. 2101, pp. 774-781, Wuhan, China, Oct. 29-Nov. 5, 1993. |

[6] | Yilbas, B.S., Al-Garni, A.Z. and Sahin, A.Z., "Study into a Small Scale Water Driven Domestic Heat Pump Design and Performance Analysis", Proceedings of the Second Saudi Symposium on Energy, Utilization and Conservation, p. 104, Dhahran, Saudi Arabia, Nov. 27-30, 1994. |

[7] | Sahin, A.Z., and Yilbas, B.S., "Study into Determination of Wind Power Energy Potential for the Eastern Province in Saudi Arabia", Proceedings of the Second Saudi Symposium on Energy, Utilization and Conservation, pp. 28-29, Dhahran, Saudi Arabia, Nov. 27-30, 1994. |

[8] | Altuntop, N., Yilbas, B.S., Sahin, A.Z., and Gokce, T., "Filmwise Condensation Mechanisms due to Stratified Flow Along a Horizontal Plane Tube", Proceedings of the First ISHMT-ASME Heat and Mass Transfer Conference, Heat and Mass Transfer 94, pp. 451-457, Bombay, Jan. 5-7, 1994. |

[9] | Yilbas, B.S., Sahin, A.Z., and Bulgan, A.T., "Laser Heating Mechanism in Relation to Machining Process", Proceedings of the First ISHMT-ASME Heat and Mass Transfer Conference, Heat and Mass Transfer 94, Bombay, Jan. 5-7, 1994. |

[10] | Yilbas, B.S. and Sahin, A.Z., "Some Characteristics of Ti-6Al-4V Nitrided Samples Melted by a Laser Using Oxygen and Argon as Ambient Gases", Proceedings of the JSME Spring Annual Meeting, Tokyo, March 29-31, 1994. |

[11] | Sahin, A.Z., "Numerical Simulation of Ice Crystal Growth", Proceedings of the 1st International Conference on Flow Interaction, Hong Kong, Sept. 5-9, 1994. |

[12] | Sami, M., Yilbas, B.S. and Sahin, A.Z., "Heat Transfer Mechanisms Governing Laser-Metal Interactions", Proceedings of the 10th International Heat Transfer Conference, pp. 133-138, Brighton, UK, Aug. 14-18, 1994. |

[13] | Yilbas, B.S., and Sahin, A.Z., "Factorial Analysis for Improved Laser Hole Drilling", Proceedings of The First S.M. Wu Symposium on Manufacturing Science, pp. 7-10, Beijing, China, July 3-5, 1994. |

[14] | Sahin, A.Z., "A Numerical Analysis of Ice Crystal Growth on Cold Surfaces", Proceedings of The Third International Conference on Advanced Computational Methods in Heat Transfer (Heat Transfer '94), pp. 245-252, Southampton, UK, Aug. 22-24, 1994. |

[15] | Yilbas, B.S., Sami, M., Sahin, A.Z., Al-Garni, A.Z. and Coban A., "Heat Transfer Mechanisms in Relation to Laser Surface Melting of Nitrided Steel", Proceedings of The Third International Conference on Advanced Computational Methods in Heat Transfer (Heat Transfer '94), pp. 201-208, Southampton, UK, Aug. 22-24, 1994. |

[16] | Sahin, A.Z., "Determination of Wind Energy Potential for Saudi Arabia", Proceedings of the World Renewable Energy Congress-III, Reading, UK, Sept. 11-16, 1994. |

[17] | Yilbas, B.S., Sahin, A.Z., and Coban, A., "Wear and Corrosion Properties of PVD TiN Coated Ti-6Al-4V Materials", Proceedings of the Second International Conference on Computer Methods and Experimental Measurements for Surface Treatment Effects - SURFACE TREATMENT '95, pp. 129-136, Milan, Italy, 7-9 June 1995. |

[18] | Sahin, A.Z., "An Analytical Solution to One-Dimensional Transient Phase-Change Problems with Heat Flux and Convective Boundary Conditions", Proceedings of The Sixth Asian Congress of Fluid Mechanics, pp. 1278-1281, Singapore, May 22-26, 1995. |

[19] | Al-Garni, A.Z., Sahin, A.Z., and Yilbas, B.S., "Heat Minimization on an Aerospace Plane", Proceedings of The First International Aerospace and Advanced Technologies Symposium, pp. 213-222, Istanbul, Turkey, March 8-10, 1995. |

[20] | El-Shaarawi, M.A.I. and Sahin, A.Z., "Transient Solution for Forced Convection Around a Rotating Sphere in an Axial Flow", Proceedings of The First International Aerospace and Advanced Technologies Symposium, pp. 223-231, Istanbul, Turkey, March 8-10, 1995. |

[21] | Al-Garni, A.Z., Sahin, A.Z., Yilbas, B.S. and Ahmed, S.A., "Comparison of Hydrogen and Methane for Cooling Hypersonic Aerospace Plane", Proceedings of the Joint ASME/JSME Fluids Engineering Conference, pp. 63-70, Hilton Head Island, South Carolina, USA, August 13-18, 1995. |

[22] | Yilbas, B.S., and Sahin, A.Z., "A Model Governing the Stall Characteristics of an Isolated Axial Compressor Rotor", Proceedings of The International Symposium on Numerical Simulations in Turbomachinery held during the Second Joint ASME-JSME Fluids Engineering Conference, Hilton Head Island, South Carolina, USA, August 13-18, 1995. |

[23] | Cinar, G., Yilbas, B.S., and Sahin, A.Z., "Study of Droplets Growth During Steam Flow In Convergent-Divergent Nozzle", Proceedings of The 1995 ASME/JSME Fluids Engineering and Laser Anemometry Conference, Cavitation and Gas-Liquid Flow in Machinery and Devices 1995, FED-Vol. 226, pp. 81-88, Hilton Head Island, South Carolina, USA, August 13-18, 1995. |

[24] | Yilbas, B.S., Sahin, A.Z., and Sami, M., "Prediction and Measurement of Melt Isotherm Velocity During CO2 Laser Cutting Process", Proceedings of the 4th UK National Conference on Heat Transfer, pp. 13-18, Manchester, U.K., September 26-27, 1995. |

[25] | Yilbas, B.S., Sahin, A.Z., Abdulaleem, B.J., Nickel, J., and Coban, A., "A Study of CO2 Laser Beam Welding of 321 Austenitic Stainless Steel Tubes", Proceedings of the International Conference on Advances in Materials and Processing Technologies 1995 (AMPT '95), pp. 1320-1328, Dublin, Ireland, August 8-12, 1995. |

[26] | Al-Garni, A.Z., Sahin, A.Z., Yilbas, B.S. and Ahmed, S.A., "Active Cooling of Aerospace Plane Using H2, CH4 and Xe", Proceedings of AIAA, Atmospheric Flight Mechanics Conference, Paper No. AIAA-95-3475, pp. 435-442, Baltimore, MD, USA, August 7-9, 1995. |

[27] | Yilbas, B.S. and Sahin, A.Z., " Stall Propagation Velocity and Pressure Depression Effect in an Isolated Axial Compressor", Proceedings of 1995 Yokohama International Gas Turbine Congress, vol. II, pp. 161-164, Yokohama, Japan, October 22-27, 1995. |

[28] | Sahin, A.Z., "Estimation of Potential Power Output from Wind Energy Conversion Systems in Saudi Arabia", Proceedings of the Fourth Saudi Engineering Conference: Development of Technical and Industrial Base in Saudi Arabia, vol. IV, pp. 341-345, Jeddah, Saudi Arabia, Nov. 5-8, 1995. |

[29] | Sahin, A.Z., and Yilbas, B.S., " On the Thermal Conductivity of Frost During the Crystal Growth Period", Proceedings of the International Airline Industry Conference & EXPO 1995, p. 48, Jeddah, Saudi Arabia, November 21-23, 1995. |

[30] | Ahamad, S.I. and Sahin, A.Z., " Numerical Simulation of Heat Conduction in Friction Welding", Proceedings of the Minisymposium on Computer Simulation and its Applications, p. 21, Dhahran, Saudi Arabia, May 21, 1996. |

[31] | Sahin, A.Z., "Optimal Insulation of Composite Structures", Proceedings of the 2nd International Symposium on Aeronautical Science and Technology in Indonesia, Jakarta, Indonesia, June 24-27, 1996. |

[32] | Sahin, A.Z., "A 3-D Numerical Study of Heat Conduction in Friction Welding Process", Proceedings of the I. Symposium on Mathematical and Computational Applications in Science and Engineering (Mathematical and Computational Applications), vol. 1, no. 2, pp. 111-116, Manisa, Turkey, November 1996. |

[33] | Al-Garni, A.Z. and Sahin, A.Z., "Brake Reliability Analysis for Fokker F-27 Aeroplane", Proceedings of the 38th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Paper No. AIAA-97-1105, pp. 956-958, Kissimmee, FL, USA, April 7-10, 1997. |

[34] | Sahin, A.Z., "Thermodynamic Design Optimization of a Heat Recuperator", Proceedings of the 1st Mechanical Engineering Conference, Istanbul, Turkey, June 4-6, 1997. |

[35] | Sahin, A.Z., and Al-Garni, A.Z., "Transient Temperature Analysis of Airplane Carbon Composite Disk Brakes", Proceedings of the 32nd AIAA Thermophysics Conference, Atlanta, GA, USA, June 23-25, 1997. |

[36] | Al-Garni, A.Z., Sahin, A.Z., and Al-Qutub, A.M., "Cooling Aerospace Plane Using Hydrogen, Ammonia and Kripton", Proceedings of the 32nd AIAA Thermophysics Conference, pp. 1-5, Atlanta, GA, USA, June 23-25, 1997. |

[37] | Sahin, A.Z., "Optimal Thermodynamic Design of a Counterflow Heat Exchanger", Proceedings of the International Conference on Fluid and Thermal Energy Conversion '97, pp. 515-520, Yogyakarta, Indonesia, July 21-24, 1997. |

[38] | Sahin, A.Z., "Second Law Analysis of Low Reynolds Number Flow in Channels with Varying Hydraulic Diameter", Proceedings of the 7th Asian Congress of Fluid Mechanics, pp. 813-816, Madras, India, December 8-12, 1997. |

[39] | Sahin, A.Z., and Dincer, I., "Some Approximate Solutions to Transient Phase-Change Problems", Proceedings of the Canadian Society for Mechanical Engineering (CSME) Forum, pp. 300-305, Toronto, Canada, May 19-22, 1998. |

[40] | Sahin, A.Z., and Aksakal, A., "Wind Power Energy Potential at the NorthEastern Region of Saudi Arabia", Proceedings of The Sixth Arab International Solar Energy Conference, AISEC-6, Muscat, Sultanate of Oman, March 29-April 1, 1998. |

[41] | Kahraman, R., Sunar, M., and Sahin, A.Z., "A Study of Through-Thickness Notch Effects on High Temperature Fracture Behavior of a SiC/Glass-Ceramic Composite", Proceedings of the 39th AIAA/ASME/ASCE/AHS/ASC Structure, Structural Dynamics, and Materials Conference, Long Beach, CA, April 20-23, 1998. |

[42] | Kahraman, R., Mandell, J.F., and Sahin, A.Z., "Factors Affecting Fiber-Matrix Bond Strength Determination in Composites", Proceedings of the Society of Engineering Science 35th Annual Technical Meeting, vol. E1, p. 97, Pullman, WA, September 27-30, 1998. |

[43] | Sahin, A.Z., "Optimum Operating Conditions of Solar Driven Heat Engines", Proceedings of the 33rd Intersociety Energy Conversion Engineering Conference (IECEC), Colorado Springs, CO, August 2-6, 1998. |

[44] | Sahin, A.Z., Aksakal, A., and Sunar, M., "Solar Energy Availability in the Northeastern Arabian Peninsula", Proceedings of The 7th International Energy Conference and Exhibition, ENERGEX'98, p. 74, Manama, Bahrain, November 19-21, 1998. |

[45] | Sahin, A.Z., "Applicability of Wind-Solar Thermal Hybrid Power Systems in the Northeastern Part of Arabian Peninsula", Proceedings of the International Conference on Energy Research and Development (ICERD), Vol. 2, pp. 931-937, Kuwait, November 9-11, 1998. |

[46] | Sahin, A.Z., Aksakal, A., and Kahraman, R., "Solar Radiation Availability in the Northeastern Region of Saudi Arabia", Proceedings of the International Conference on Energy Research and Development (ICERD), Vol. 2, pp.1044-1050, Kuwait, November 9-11, 1998. |

[47] | Sahin, A.Z., "Theoretical Limits for Power Generation and Efficiency of Solar Driven Heat Engines", Proceedings of the World Renewable Energy Congress V, Florance, Italy, September 20-25, 1998. |

[48] | Sahin, A.Z., "Optimal Insulation of Ducts Subjected to External Thermal Radiation", Proceedings of the Second Trabzon International Energy and Environment Symposium, TIEES-98, pp. 431-434, Trabzon, Turkey, July 26-29, 1998. |

[49] | Sunar, M., Hyder, S.J., Kahraman, R., and Sahin, A.Z., "Taguchi Methodology for Thermopiezoelectric Control Systems", Proceedings of the Second Trabzon International Energy and Environment Symposium, TIEES-98, pp. 509-512, Trabzon, Turkey, July 26-29, 1998. |

[50] | Sahin, A.Z., "A General Overview of the optimum Endo-Reversible Heat engine Operating Conditions", 2nd International Symposium on Advanced Energy Conversion Systems and related Technologies, RAN '98, Nagoya, Japan, December 1-3, 1998. |

[51] | Sahin, A.Z. and Al-Garni, A.Z., "Thermal Analysis of Airplane Composite disk Brake Systems", Proceedings of The Fifth Saudi Engineering Conference, vol. 4, pp. 363-371, Makkah Al-Mukarramah, Saudi Arabia, March 1-4, 1999. |

[52] | Sahin, A.Z., Zubair, S.M., Al-Garni, A.Z., and Kahraman, R., "Effect of Fouling on the Entropy Generation in Heat Exchanger Tubes", Proceedings of The Fifth Saudi Engineering Conference, vol. 4, pp. 353-362, Makkah Al-Mukarramah, Saudi Arabia, March 1-4, 1999. |

[53] | Dincer, I., Yilbas, B.S., and Sahin, A.Z., "Impact of Science and Technology on Energy Research and Development", Proceedings of The Fifth Saudi Engineering Conference, vol. 4, pp. 449-459, Makkah Al-Mukarramah, Saudi Arabia, March 1-4, 1999. |

[54] | Sahin, A.Z., "Second Law Analysis of Crude Oil Flow in Pipes", Workshop on Energy Conservation in Industrial Applications, WEC 2000, pp. 145-152, Dhahran, Saudi Arabia, February 12-14, 2000. |

[55] | Al-Garni, A.Z., Al-Garni, A., Ahmed, S.A., and Sahin, A.Z., "An Experimental Investigation of an Airfoil with a Leading-Edge Rotating Cylinder for Boundary-Layer Control", Workshop on Energy Conservation in Industrial Applications, WEC 2000, pp. 423-427, Dhahran, Saudi Arabia, February 12-14, 2000. |

[56] | Dincer, I. and Sahin, A.Z., "Analogy between Cooling and Drying Processes of Solid Products", Proceedings of The Twelfth International Symposium on Transport Phenomena, ISTP-12, pp. 557-561, Istanbul, Turkey, July 16-20, 2000. |

[57] | Sahin, A.Z., "Thermal Optimization of Parallel Flow Heat Exchangers", Proceedings of The Twelfth International Symposium on Transport Phenomena, ISTP-12, pp. 623-626, Istanbul, Turkey, July 16-20, 2000. |

[58] | Sahin, A.Z. and Maamar Bettayeb, "Thermodynamic Optimization of Solar Driven Power Plants: An Overview", Sharjah Solar Energy Conference, Sharjah, UAE, February 19-22, 2001. |

[59] | Dincer, I., Hussain, M.M., Sahin, A.Z. and Yilbas, B.S., "A simple Moisture Transfer Correlation for Drying Applications", Proceedings of The Fourth International Thermal Energy Congress, ITEC2001, Cesme, Turkey, July 8-12, 2001. |

[60] | Sahin, A.Z., "Thermal Optimization of General Type Endo-Reversible Solar Power Plants", Proceedings of The Fourth International Thermal Energy Congress, ITEC2001, Cesme, Turkey, July 8-12, 2001. |

[61] | Sahin, A.Z., "Thermodynamic Optimization of Solar Driven Irreversible Power Plants", Proceedings of the Second International Conference on Energy Research and Development (ICERD-2), pp. 815-822, Kuwait, April 8-10, 2002. |

[62] | Sahin, A.Z. and Al-Garni, A.Z., "Environmental Impact Assessment of Hydrogen Energy Use", World Renewable Energy Congress VII, Cologne, Germany, June 29-July 5, 2002. |

[63] | Kahraman, R., Sahin, A.Z. and Al-Saifi, N.M., "A Study of Entropy Generation in Laminar Fluid Flow Between Parallel Plates", Proceedings of The First International Exergy, Energy and Environment Symposium, Izmir, Turkey, 13-17 July 2003, pp. 99-102. |

[64] | Sahin, A.Z., "Minimizing Entropy Production as a Technological Challenge", Proceedings of The First International Exergy, Energy and Environment Symposium, Izmir, Turkey, 13-17 July 2003, pp. 109-112. |

[65] | Sahin, A.Z., "The Role of Hydrogen Energy in Sustainable Development", The 8th Arab International Solar Energy Conference and the Regional World Renewable Energy Congress, Kingdom of Bahrain, 8-10 March 2004. |

[66] | Dincer, I., Sahin, A.Z. and Rosen, M.A., "Exergy Assessment and Modeling of Drying Systems", Proceedings of the Canadian Society of Mechanical Engineering CSME Forum 2004, Ontario, Canada, June 1-4, 2004. |

[67] | Dincer, I., Sahin, A.Z. and Rosen, M.E., "Exergy Assessment and Modeling of Drying Systems", Proceedings of the First Cappadocia International Mechanical Engineering Symposium, Cappadocia, Turkey, 14-16 July, 2004. |

[68] | Ayar, T. and Sahin, A.Z., "Safety Issues with the Use of Hydrogen", Proceedings of the First Cappadocia International Mechanical Engineering Symposium, Cappadocia, Turkey, 14-16 July, 2004. |

[69] | Sahin, A.Z., "Exergy Analysis in Design and Development of Sustainable Processes", Proceedings of the First Cappadocia International Mechanical Engineering Symposium, Cappadocia, Turkey, 14-16 July, 2004. |

[70] | Sahin, A.Z., "Exergy Analysis in Design and Development of Sustainable Processes", Proceedings of IMEC2004 International Mechanical Engineering Conference, Kuwait, December 5-8, 2004. |

[71] | Sahin, A.Z., "Exergy Optimization in Design and Development of Sustainable Processes", Proceedings of the First International Conference of Modeling, Simulation and Applied Optimization, Sharjah, U.A.E., February 1-3, 2005. |

[72] | Dincer, I, Sahin, A.Z., Ozturk, H.H., and Oztekin, S. "Kurutma Sistemleri icin Ekserji Analizi" (In Turkish), Proceedings of the III. Tarimsal Urunleri Kurutma Tebligi Calistayi, Antalya, Turkey, May 2-4, 2005. |

[73] | Ayar, T., and Sahin, A.Z., "Safe Handling of Hydrogen Fuel", Proceedings of the International Hydrogen Energy Congress and Exhibition, Istanbul, Turkey, July 13-15, 2005. |

[74] | Sahin, A.Z., "Life Cycle Exergy Analysis in Sustainable Development", 3rd International Conference on Energy Research and Development (ICERD-3), Kuwait, November 21-23, 2005. |

[75] | Sahin, A.Z., "A Thermodynamic Optimization of Solar energy Driven Unmanned Air Vehicle Propulsion System", Proceedings of The Unmanned Air Vehicles Scientific Meeting and Exhibition, Jeddah, Saudi Arabia, June 6-7, 2006. |

[76] | Sahin, A.Z., "Importance of Exergy Analysis in Industrial Processes", Proceedings of the Fourth Saudi Technical Conference and Exhibition, vol. III, pp. 38-43, Riyadh, December 2-6, 2006. |

[77] | Sahin, A.Z., "Exergy (Availability) Concept in Engineering Education for Sustainable Development and Energy Conservation", Invited Keynote Paper: Proceedings of the First Joint QP-JCCP Environment Symposium; Sustainable Development and Climate Change, Doha, Qatar, February 5-7, 2007. |

[78] | Sahin, A.Z., Bolat, A., and Al-Ahmari, A., "Capacity of Underground Water Pumping Using Wind Energy Conversion Systems at Dhahran, Saudi Arabia", Proceedings of Global Conference on Global Warming (GCGW-08), Istanbul, Turkey, July 6-10, 2008. |

[79] | Sahin, A.Z., Bolat, A., and Al-Ahmari, A., "Investigation Into Utilization of Wind Energy For Underground Water Pumping At Dhahran, Saudi Arabia", Proceedings of Fourth International Conference on Energy Research and Development (ICERD4), Kuwait, November 17-19, 2008. |

[80] | Sahin, A.Z. and Kucuk, I., "Optimum Temperature Distribution in a Solid to Minimize Entropy Generation", Proceedings of the Third International Conference on Modeling, Simulation and Applied Optimization, Sharjah, U.A.E., January 20-22, 2009. |

[81] | Sahin, A.Z. and Zubair, S.M., "First and Second Law Analysis of Process Heaters", Proceedings of the Fourth International Exergy, Energy and Environment Symposium, AUS, Sharjah, UAE, April 19-23, 2009. |

[82] | Ben-Mansour, R. and Sahin, A.Z., "Energy Efficiency Optimization Of Conical Micro-Diffusers And Micro-Nozzles Using Entropy Generation", Proceedings of the Fourth International Exergy, Energy and Environment Symposium, AUS, Sharjah, UAE, April 19-23, 2009. |

[83] | Sahin, A.Z., and Yilbas, B.S., "Improving Thermal Efficiency of Solar Thermal Power Plants by Using Thermoelectric Generators", Engineering Congress on Alternative Energy Applications: Option or Necessity?, Kuwait, November 2-6, 2009. |

[84] | Yilbas, B.S., and Sahin, A.Z., "Efficiency Analysis of Thermoelectric Power Generator: Influence of Slenderness Ratio and External Load Parameter", Engineering Congress on Alternative Energy Applications: Option or Necessity?, Kuwait, November 2-6, 2009. |

[85] | Sahin, A.Z., Bolat, A., and Al-Ahmari, A., "Economic Analysis of Wind Power in Saudi Arabia", 10th International Conference for Enhanced Building Operations (ICEBO 2010), Kuwait, October 26-28, 2010. |

[86] | Yilbas, B.S., Ayar, T., and Sahin, A.Z., "Prospects of University – Government Sector R&D Interaction", Invited Keynote Paper, International Higher Education Congress: New Trends and Issues, Istanbul, Turkey, May 27-29, 2011. |

[87] | Sahin, A.Z., Yilbas, B.S., and Ayar, T., "Laser Cutting of Ceramic and Thermal Efficiency Analysis", 14th International Conference on Advances in Materials and Processing Technologies, AMPT 2011, Istanbul, Turkey, July 13-16, 2011. |