Faculty of Engineering

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Recent Submissions

Fluid–CO₂ injection in a hypersaline volcanic systems: a reactive transport and experimental evaluation with application to the Tuzla Geothermal Field, Türkiye Tonkul, Serhat; Erol, Selçuk; Baba, Alper; Regenspurg, Simona (2026-12-01) This study evaluates the CO2 sequestration capability of the Tuzla Geothermal Field (TGF) in northwest Türkiye under reservoir conditions (200 °C and 4.4 MPa). While ongoing studies at TGF have investigated CO2 co-injectio...
Deep learning-based hybrid beamformer design for millimeter-wave integrated sensing and communication systems Han, Tianle; Zhang, Yongwei; Temiz, Murat; KAPLAN, ORHAN (2026-12-01) Integrated sensing and communication (ISAC) systems have emerged as a key enabler for next-generation wireless networks, yet the joint optimization of communication and sensing remains a fundamental challenge. In this work...
Contrasting effects of phase-oriented antioxidant localization on oxidative resistance and physical stability of double emulsions Jeon, Seungtak; Jeong, Jaehyun; Şümnü, Servet Gülüm; Şahin, Serpil; Choi, Mi-Jung; Lee, Jiseon (2026-12-01) This study investigated the effect of functional antioxidant incorporation and spatial localization on physicochemical and oxidative stability of water-in-oil-in-water (W1/O/W2) double emulsions. Paprika oleoresin (PO, lip...
Soft-interfaced liquid crystal microfluidics can probe the rigidity of lipid vesicles Dedeoglu, Cansu; Büküşoğlu, Emre (2026-12-01) Liquid crystal (LC)-aqueous interfaces were shown to respond to the phospholipid interactions via optically observable ordering transitions; however, past attempts lack the quantification of the transport and fusion kineti...
ROBOtic Replicants for Optimizing the Yield by Augmenting Living Ecosystems Şahin, Erol; Turgut, Ali Emre; Alemdar, Hande(2026-10-31) As the world’s most successful pollinators, bees play a huge part in every aspect of the ecosystem. So, any decline in bee populations could pose a threat to global agriculture. In this context, the EU-funded RoboRoyale pr...
I2I-PR: Deep iterative refinement for phase retrieval using image-to-image diffusion models Kaya, Mehmet Onurcan; Öktem, Sevinç Figen (2026-09-01) Phase retrieval aims to recover a signal from intensity-only measurements, a fundamental problem in many fields such as imaging, holography, optical computing, crystallography, and microscopy. Although there are several we...
Beyond the parabola: A surface-tension-limited, analytical–numerical extension of Nihoul's oil-slick spreading equation Doğan, Mehmet Onur; Durgut, İsmail (2026-09-01) Nihoul's vertically averaged equation remains widely used for operational oil spill modeling because it offers a simple, computationally efficient formulation and an analytical similarity solution that serves as a robust b...
A topological approach to crack path detection and crack opening displacement calculation in phase-field models of fracture Babaoğlu, Muhittin; Kaynar, Ozan Özgür; Göktepe, Serdar (2026-08-15) As opposed to discrete approaches, the crack topology is approximated in a smeared manner in phase-field fracture models (PFMs) through a continuous order variable. Although this allows for avoiding the additional intricat...
Effects of different armour units and placement methods on wave loads acting on crown walls in shallow water Demir, Furkan; Güler, Hasan Gökhan; Korkmaz, Alperen Mulayim; Erler, Berkay; Tarakcioglu, Gulizar Ozyurt; Baykal, Cüneyt (2026-07-15) This study presents a comprehensive experimental investigation into the effects of different armour unit types and placement configurations on wave-induced loads acting on the crown walls of mound breakwaters under shallow...
Experimental and numerical investigation of the effects of roof profile geometry on PV panel performance Toprak, Beytullah İsmet; SOLMAZ, İsmail; Bayer, Özgür (2026-07-01) This study examines the influence of roof profiles and the spacing between roofs and photovoltaic (PV) modules on the thermal behavior and electrical efficiency of PV panels under varying cooling fluid velocities and solar...
Recursive parameter estimation for jump Markov linear systems Çetinkaya, Mehmet; Özkan, Emre (2026-07-01) In this paper, we present an online method for the identification of jump Markov linear systems (JMLSs). State inference is performed using a computationally tractable multi-model filter, while a recursive expectation maxi...
Optimized Multi-Unmanned Aerial Vehicle Coverage Path Planning for Efficient Solar Panel Cleaning: A Rectilinear and Vehicle Routing Problem-Based Approach Ghaziani, Matin; Yaman, Ulaş; Turgut, Ali Emre (2026-07-01) This study proposes a novel methodology for efficient multi-unmanned aerial vehicle (UAV) coverage path planning (CPP) tailored to solar panel cleaning applications. The approach incorporates rectilinear path planning and ...
Tomato pomace as a sustainable protein source: Comprehensive characterization of proteins extracted by conventional alkaline, microwave, and ultrasound-assisted methods Aljurf, Bodoor Nabil; Cutroneo, Sara; Bugatti, Kelly; Barlas, Bora; Bashir, Amro K. H.; Şahin, Serpil; Öztop, Halil Mecit; Tedeschi, Tullia (2026-07-01) Tomato pomace is an abundant by-product of the tomato processing industry and represents a promising source of plant-based protein for sustainable food systems. In this study, proteins were extracted from tomato pomace usi...
Computational modeling of viscoelastic snap-through in mechanical metamaterials Dal, Sinan Fırat; Göktepe, Serdar (2026-07-01) Mechanical metamaterials are architected solids whose macroscopic response is governed primarily by geometry rather than composition. Instability-induced metamaterials form a crucial subclass within this group, harnessing ...
Liquid metal-derived bismuth-tin core-shell particles enable rapid, high transparency, and mechanically robust photothermal self-healing in thermoplastic polyurethane Kurşun, Ekin; İnce, Duygu; Gülener, Öznur; Çınar, Simge (2026-06-15) Self-healing polymers typically sacrifice mechanical strength for rapid recovery or optical clarity for healing efficiency. Here, liquid metal-derived bismuth‑tin (BiSn) core-shell particles (CSPs) overcome these trade-off...
GPU-Accelerated ILES of Weakly Compressible Flows Using a Galerkin–Boltzmann Formulation Ata, Onur; Aygün, Atakan; Karakuş, Ali (2026-06-03) We present a high-order implicit large-eddy simulation (ILES) approach for nearly incompressible flows based on a nodal discontinuous Galerkin (DG) discretization of the continuous Boltzmann equations. The compact, low-dis...
A GIS-based methodology to assess bus public transit supply-demand gaps ERGÜL, HAZAL; Dalkıç Melek, Gülçin; Tüydeş Yaman, Hediye (2026-06-01) Public transit (PT) is a critical component of sustainable transportation and promoting a modal shift from private vehicles is crucial. However, the accessibility of PT as well as the quality of the service are the major f...
Physicochemical and sensory characteristics of tomato leather enriched with RuBisCO after high-pressure homogenization Ateş, Elif Gökçen; Öztop, Halil Mecit; Boyanay, Ozgur (2026-06-01) This study investigated the effects of high-pressure homogenization (HPH) on the physicochemical and sensory properties of RuBisCO-enriched tomato leather (pestil) which was prepared with the addition of RuBisCO at 0, 2.5,...
Towards developing an add-on module to estimate attacker position for unmanned aerial vehicles Bakırcıoğlu, Veli; Şenyayla, Ozan; ARIKAN, KUTLUK BİLGE; Turgut, Ali Emre; Şahin, Erol (2026-06-01) Mini and micro unmanned aerial vehicles (mUAVs), which are often used as “eyes-in-the-sky” in defense applications are often vulnerable to sniper attacks coming from the ground. In this study, we propose an add-on defense ...
Integrating Metal Hydride-Based Hydrogen Storage Tanks With PEM Fuel Cell Stacks for Enhanced Energy Efficiency in Underwater Applications Sezgin, Berna; Öztürk, Tayfur; Eroğlu, İnci (2026-06-01) This study presents a comprehensive modeling and integration approach for coupling metal hydride-based hydrogen storage systems with PEM fuel cell stacks, specifically tailored for high-demand underwater applications. The ...

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