| Faculty of Engineering and Natural Sciences

Serhat Yeşilyurt Faculty of Engineering and Natural Sciences Faculty Member (216) 483 9579 syesilyurt@sabanciuniv.edu

Personal Web

http://people.sabanciuniv.edu/syesilyurt

Jobs

Faculty Member

Education

BS in Nuclear Energy Eng., Hacettepe Un., Ankara, Turkey, 1986.
MS in Nuclear Eng., MIT, Cambridge, MA, USA, 1991.
PhD in Nuclear Eng., MIT, Cambridge, MA, USA, 1995.

Areas of Interest

Fluid mechanics, heat transfer, microflows, microswimmers, renewable energy systems, wind turbines, PEM fuel cells.

Memberships

IEEE (Senior Member), ASME, APS

Saeidfar, Asal and Yeşilyurt, Serhat (2025) "Transient response of low platinum-loaded proton exchange membrane fuel cells with various cathode catalyst layer compositions", Applied Energy, Vol.382 (SCI)

Saeidfar, Asal and Kırlıoğlu, Ahmet Can and Alkan Gürsel, Selmiye and Yeşilyurt, Serhat (2025) "Role of catalyst layer composition in the degradation of low platinum-loaded proton exchange membrane fuel cell cathodes: an experimental analysis", Journal of Power Sources, Vol.625 (SCI)

Tavakol Aghaei, Vahid and Ağababaoğlu, Arda and Bawo, Biram and Naseradinmousavi, Peiman and Yıldırım, Sinan and Yeşilyurt, Serhat and Onat, Ahmet (2023) "Energy optimization of wind turbines via a neural control policy based on reinforcement learning Markov chain Monte Carlo algorithm", Applied Energy, Vol.341 (SCI)

Saeidfar, Asal and Yeşilyurt, Serhat (2023) "Numerical investigation of the effects of catalyst layer composition and channel to rib width ratios for low platinum loaded PEMFCs", Applied Energy, Vol.339 (SCI)

Malekabadi, Fatemeh and Caldag, Hakan Osman and Yeşilyurt, Serhat (2023) "Acoustic radiation forces and torques on elastic micro rings in standing waves", Journal of Fluids and Structures, Vol.118 (SCI)

Shojaeian, Milad and Caldag, Hakan Osman and Bozkurt, Ayhan and Yeşilyurt, Serhat (2023) "Fabrication of magnetic helical microribbons made of nickel thin films sandwiched between silicon nitride layers for microswimming applications", Nanotechnology, Vol.34, No.1 (SCI)

Çaldağ, Hakan Osman and Demir, Ebru and Yeşilyurt, Serhat (2022) "A numerical and experimental investigation of rolling and sliding motion of rotating spheres inside a cylinder", Journal of Fluid Mechanics, Vol.935 (SCI)

Rizvandi, Omid Babaie and Eskin, Murat Gökhan and Yeşilyurt, Serhat (2021) "Numerical modeling of anode-bleeding PEM fuel cells: effects of operating conditions and flow field design", International Journal of Hydrogen Energy (SI), Vol.46, No.5, 4378-4398 (SCI)

Çaldağ, Hakan Osman and Yeşilyurt, Serhat (2020) "Acoustic radiation forces on magnetically actuated helical swimmers", Physics of Fluids, Vol.32, No.9 (SCI)

Babaie Rizvandi, Omid and Yeşilyurt, Serhat (2019) "A transient Pseudo-3D model of the PEM fuel cell for the analysis of dead-ended anode and anode bleeding operation modes", Electrochimica Acta, Vol.324 (SCI)

Çaldağ, Hakan Osman and Yeşilyurt, Serhat (2019) "Trajectories of magnetically-actuated helical swimmers in cylindrical channels at low Reynolds numbers", Journal of Fluids and Structures, Vol.90, 164-176 (SCI)

Babaie Rizvandi, Omid and Yeşilyurt, Serhat (2019) "Modeling and performance analysis of branched microfluidic fuel cells with high utilization", Electrochimica Acta, Vol.318, 169-180 (SCI)

Babaie Rizvandi, Omid and Yeşilyurt, Serhat (2019) "A pseudo three-dimensional, two-phase, non-isothermal model of proton exchange membrane fuel cell", Electrochimica Acta, Vol.302, 180-197 (SCI)

Eskin, Murat Gökhan and Yeşilyurt, Serhat (2019) "Anode bleeding experiments to improve the performance and durability of proton exchange membrane fuel cells", International Journal of Hydrogen Energy, Vol.44, No.21, 11047-11056 (SCI)

Mehrtash, Mehdi and Tari, İlker and Yeşilyurt, Serhat (2018) "Numerical modeling of visco-elasto-plastic hygro-thermal stresses and the effects of operating conditions on the mechanical degradation of PEFC membranes", Journal of Power Sources, Vol.396, 164-174 (SCI)

Demir, Ebru and Yeşilyurt, Serhat (2017) "Low reynolds number swimming of helical structures in circular channels", Journal of Fluids and Structures, Vol.74, 234-246 (SCI)

Çaldağ, Hakan Osman and Acemoğlu, Alperen and Yeşilyurt, Serhat (2017) "Experimental characterization of helical swimming trajectories in circular channels", Microfluidics and Nanofluidics, Vol.21, No.8 (SCI)

Mehrtash, Mehdi and Tari, İlker and Yeşilyurt, Serhat (2017) "Impacts of inhomogeneous clamping force on local performance and liquid water formation in polymer electrolyte fuel cells", International Journal of Hydrogen Energy, Vol.42, No.30, 19227-19245 (SCI)

Önol, Aykut Özgün and Yeşilyurt, Serhat (2017) "Effects of wind gusts on a vertical axis wind turbine with high solidity", Journal of Wind Engineering and Industrial Aerodynamics, Vol.162, 1-11 (SCI)

Acemoğlu, Alperen and Yeşilyurt, Serhat (2015) "Effects of poiseuille flows on swimming of magnetic helical robots in circular channels", Microfluidics and Nanofluidics (SCI)

Temel, Fatma Zeynep and Yeşilyurt, Serhat (2015) "Confined swimming of bio-inspired microrobots in rectangular channels", Bioinspiration and Biomimetics, Vol.10, No.1 (SCI)

Acemoğlu, Alperen and Temel, Fatma Zeynep and Yeşilyurt, Serhat (2014) "Characterization and modeling of micro swimmers with helical tails and cylindrical heads inside circular channels", Journal of Fluids Engineering, Vol.136, No.12 (SCI)

Tabak, Ahmet Fatih and Yesilyurt, Serhat (2014) "Computationally-validated surrogate models for optimal geometric design of bio-inspired swimming robots: helical swimmers", Computers and Fluids, Vol.99, 190-198 (SCI)

Acemoğlu, Alperen and Yeşilyurt, Serhat (2014) "Effects of geometric parameters on swimming of micro organisms with single helical flagellum in circular channels", Biophysical Journal, Vol.106, No.7, 1537-1547 (SCI)

Temel, Fatma Zeynep and Erman, Aydek Gökçe and Yeşilyurt, Serhat (2013) "Characterization and modeling of biomimetic untethered robots swimming in viscous fluids inside circular channels", IEEE/ASME Transactions on Mechatronics, Vol.19, No.5, 1562-1573 (SCI)

Tabak, Ahmet Fatih and Yeşilyurt, Serhat (2013) "Improved kinematic models for two-link helical micro/nanoswimmers", IEEE Transactions on Robotics (SCI)

Temel, Fatma Zeynep and Yeşilyurt, Serhat (2013) "Simulation-based analysis of micro-robots swimming at the center and near the wall of circular mini-channels", Microfluidics and Nanofluidics, Vol.14, No.1-2, 287-298 (SCI)

Yeşilyurt, Serhat and Siegel, Jason B. and Stefanopoulou, Anna G. (2012) "Modeling and experiments of voltage transients of polymer electrolyte membrane fuel cells with the dead-ended anode", Journal of Fuel Cell Science and Technology, Vol.9, No.2 (SCI)

Yeşilyurt, Serhat (2010) "Modeling and simulations of polymer electrolyte membrane fuel cells with poroelastic approach for coupled liquid water transport and deformation in the membrane", Journal of Fuel Cell Science and Technology, Vol.7, No.3 (SCI)

Siegel, Jason B. and Bohac, Stanislav V. and Stefanopoulou, Anna G. and Yeşilyurt, Serhat (2010) "Nitrogen front evolution in purged polymer electrolyte membrane fuel cell with dead-ended anode", Journal of the Electrochemical Society, Vol.157, No.7, B1081-B1093 (SCI)

Tabak, Ahmet Fatih and Yeşilyurt, Serhat (2008) "Simulation-based analysis of flow due to traveling-plane-wave deformations on elastic thin-film actuators in micropumps", Microfluidics and Nanofluidics, Vol.4, No.6, 489-500 (SCI)

Serincan, Fazıl Mustafa and Yeşilyurt, Serhat (2007) "Transient analysis of proton electrolyte membrane fuel cells (PEMFC) at start-up and failure", Fuel Cells, Vol.7, No.2, 118-127 (SCI)

Yeşilyurt, Serhat and Motakef, S. and Grugel, R. and Mazuruk, K. (2004) "The effect of the traveling magnetic field (TMF) on the buoyancy-induced convection in the vertical Bridgman growth of semiconductors", Journal of crystal growth, Vol.263, No.1-4, 80-89 (SCI)

S. Yesilyurt, L. Vjusic, S. Motakef, F. R. Szofran, A. Croell. "The influence of thermoelectromagnetic convection (TEMC) on the Bridgman growth of semiconductors." J. Cryst. Growth, 211, pp 360-364, 2000.

S. Yesilyurt, L. Vjusic, S. Motakef, F. R. Szofran, M. P. Volz. "A numerical investigation of the effect of the thermoelectromagnetic convection (TEMC) on the Bridgman growth of GeSi" J. Cryst. Growth, 207, pp 278-291, 1999.

M. Kambourides, S. Yesilyurt, and A. T. Patera "Nonparametric-validated computer-simulation surrogates: A Pareto formulation," Int. Jour. Num. Meth. Eng.,42, 971-1003, 1998.

J. C. Otto, M. Paraschivoiu, S. Yesilyurt and A. T. Patera "Bayesian--validated computer simulation surrogates for optimization and design: error estimates and applications." Mathematics and Computers in Simulation, 44(4), pp.347-367, 1997.

S. Yesilyurt, C. Ghaddar, M. Cruz and A. T. Patera, "Bayesian-validated surrogates for noisy computer simulations; application to random media." SIAM Journal on Scientific Computing, 17(4), 1996.

S. Yesilyurt and A. T. Patera, "Surrogates for numerical simulations; optimization of eddy-promoter heat exchangers."Computer methods in applied mechanics and engineering, 121, pp 231-257, 1995.

G. Fu, M. J. Driscoll, N.E. Todreas, and S. Yesilyurt, "Heat transfer and friction factor behavior in the mixed convection regime for air up-flow in a heated vertical pipe." AIChe Symposium Series , 283 (87), pp 326-335, 1991.

Issued Patents

S.Motakef, S.Yesilyurt, "Substantially-uniform-temperature annealing", US Patent No: 6,624,390, Sept. 23, 2003

S.Motakef, S.Yesilyurt, "Substantially-uniform-temperature annealing", US Patent No: 6,919,539, July 19, 2005

S. Motakef, S. Yesilyurt, “Substantially-uniform-temperature annealing”, US Patent No: 7,019,266, March 28, 2006.