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 Dr. Sahin, Ahmet Z.


sahin.jpg 
Distinguished University Professor
 
Contact Information

Office:                   Bldg 63-Room 347
Phone:                  +966- 3 -860- 2548
Fax:                      +966-3-860 -2949 (ME Dept)
Email:                    azsahin@kfupm.edu.sa
Website                 Personal Page

Education

Ph.D. (Mechanical Engineering), The University of Michigan,1988
M.Sc. (Mechanical Engineering), The University of Michigan,1984
B.Sc. (Aeronautical Engineering), Istanbul Technical University, Turkey, 1982

Courses Taught
  • AE 325 Gas Dynamics
  • AE 450 Computational Methods in Aerospace Engineering
  • ME 200 Mech. Engineering Drawing
  • ME 201 Dynamics
  • ME 203 Thermodynamics I
  • ME 204 Thermodynamics II
  • ME 205 Materials Science
  • ME 305 Heat Transfer
  • ME 423 Energy Conversion
  • ME 425 Compressible Fluid Flow
  • ME 427 Turbomachinery
  • ME 431 Refrigeration
  • ME 531 Advanced Thermodynamics
  • ME 532 Advanced Fluid Mechanics I 
Research Areas
  • Thermodynamics
  • Thermal Design Optimization
  • Exergy Analysis
  • Solar Energy
  • Wind Energy
 
Representative Publications 
  • Ahmed Z. Al-Garni, A.Z. Sahin, and W. G. Abdelrahman, "Performance comparison of a single slope solar still equipped with water heater and an external fan during summer and winter", Desalination and Water Treatment, vol. 139, pp. 14–22, 2019.
  • M. Kassas, W. M. A. Hamanah, O. Al-Tamimi, Ahmet Z. Sahin, B. S. Yilbas, and C. B. Ahmed, "Operation of HVAC System for Energy Savings and Economic Analysis", Journal of Thermal Engineering, vol. 5, no. 3, pp. 181-197, 2019.
  • K. H. M. Al-Hamed, A. Z. Sahin, T. Laoui, A. H. Bokhari, "Analytical Approximations for the Closure Time of Freezing Processes in Spheres and Cylindrical Tubes", ASME Journal of Thermal Science and Engineering Applications, vol. 11, pp 054501-1-6, 2019.
  • Waleed M. Hamanah, Mahmoud Kassas, Ahmet Z. Sahin, Ibrahim El-Amin, "Energy, Exergy and Economic Analysis for ON/OFF Cycle and VFD HVAC Cooling Systems", International Journal of Exergy, vol 28, no. 4, pp. 355-379, 2019.
  • Amin A. Mohammed, Hassen M. Ouakad, Ahmet Z. Sahin, and Haitham M.S. Bahaidarah, "Vertical Axis Wind Turbine Aerodynamics: Summary and Review of Momentum Models", ASME Journal of Energy Resources Technology, vol. 141, no. May 2019, pp. 050801-1-10, 2019.
  • Al-Sharafi, B.S. Yilbas, G. Hassan, H. Al-Qahtani, A. Z. Sahin, "Stretchable hydrophobic surfaces and droplet heating", International Journal of Heat and Fluid Flow, vol. 78, 108435, 2019.
  • Ahmet Z. Sahin, Mohammed Ayaz Uddin, Bekir S. Yilbas, Abdullah Al-Sharafi, "Performance enhancement of solar energy systems using nanofluids: An updated review", Renewable Energy, vol. 145, pp. 1126-1148, 2020.
  • Ahmed Z. Al-Garni, Ahmet Z. Sahin, and Salman Alfifi, "Summer and winter comparison of productivity improvement in a single slope solar still by using external mirrors", Desalination and Water Treatment, vol. 168, pp. 9-15, 2019.
  • Hadi Karami, Solmaz Papari-Zare, Mehdi Shanbedi, Hossein Eshghi, Amirhosein Dashtbozorg, Amir Akbari, Erfan Mohamadian, Milad Heidari, Ahmet Z. Sahin, Chew Bee Teng, "The thermophysical properties and the stability of nanofluids containing carboxylfunctionalized graphene nano-platelets and multi-walled carbon nanotubes", International Communications in Heat and Mass Transfer, 108 (2019) 104302.
  • Amin A. Mohammed, M. Sunar, and Ahmet Z. Sahin, "Entropy Generation Rate Analysis in Pendulum Cart System Undergoing Damped Oscillation", International Journal of Exergy, vol. 31, no. 3, pp217-231, 2020.
  • Amin A. Mohammed, Hassen M. Ouakad, Ahmet Z. Sahin, and Haitham M.S. Bahaidarah, "Parametric Study and Comparison of Aerodynamics Momentum-Based Models for Straight-Bladed Vertical Axis Wind Turbines", Arabian Journal for Science and Engineering, vol. 45, pp. 729-741, 2020.
  • Gassan Hassan, Bekir S. Yilbas, Abdullah Al-Sharafi, Ahmet Z. Sahin, and Hussain Al-Qahtani, "Solar energy harvesting and self-cleaning of surfaces by an impacting water droplet", International Journal of Energy Research, vol. 44, no. 1 pp. 388-401, 2020.
  • Amin A. Mohammed, Ahmet Z. Sahin, and Hassen M. Ouakad, "Numerical Investigation of a Straight-Bladed Vertical Axis Wind Turbine Performance Characterization using New Variable Pitch Control Scheme", ASME Journal of Energy Resources Technology, vol. 142, no. March 2020, pp 031302-1-9, 2020.
  • Bekir S. Yilbas, Abdullah Al-Sharafi, Ahmet Z. Sahin, "Solar Energy Harvesting and a Water Droplet Cleaning of Micropost Arrays Surfaces", International Journal of Energy Research, vol. 44, no. 3, pp. 2072-2083, 2020.
  • Ahmet Z. Sahin, Kehinde G. Ismaila, Bekir S. Yilbas, and Abdullah Al-Sharafi, "A Review on the Performance of Photovoltaic Thermoelectric Hybrid Generators", International Journal of Energy Research, vol. 44, no. 5, pp. 3365-3394, 2020.
  • Al-Sharafi, B.S. Yilbas, A.Z. Sahin, H. Al-Qahtani, Heating analysis of a water droplet in between multi-wall hydrophobic surfaces, ASME, J. of Thermal Science and Engineering Applications, Oct 2020, 12(5): 051025 (13 pages) DOI: 10.1115/1.4046609, 2020.
  • Alireza Refiei, Reyhaneh Loni, G. Najafi, A.Z. Sahin, Evangelos Bellos, "Effect of use of MWCNT/oil nanofluid on the performance of solar organic Rankine cycle", Energy Reports, vol. 6, pp. 782-794, 2020.
  • Bekir Sami Yilbas, Ghassan Hassan, Hussain Al-Qahtani, Saeed Bahatab, Ahmet Z. Sahin, Abdullah Al-Sharafi and Abba Abdulhamid Abubakar, "Dust removal from a hydrophobic surface by rolling fizzy water droplets", RSC Advances, vol. 10, pp. 19811-19821, 2020.


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