Department of Mechanical Engineering

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Özgüven, Hasan Nevzat (206)
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Koku, Ahmet Buğra (110)
Turgut, Ali Emre (87)

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Mechanical engineering. (231)
Mechanical Engineering (165)
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1961 - 1979 (406)
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Recent Submissions

Rapid bacterial detection through microfluidic integration with a glucometer Eryilmaz, Merve; İLBASMIŞ TAMER, SİBEL; Panhwar, Sallahuddin; Tayyarcan, Emine Kübra; BOYACI, İSMAİL HAKKI; Suludere, Zekiye; ÇETİN, DEMET; Zengin, Adem; Yıldırım, Ender; TAMER, UĞUR (2025-08-01) We present a novel approach for sensitive and portable detection of pathogenic bacteria, which is crucial for household and clinical practice. Our method employs immunoliposomes, antibodies, and microchip to detect specifi...
Cooling optimization for concentrating photovoltaic modules: A study of convective and radiative cooling with a focus on plate fin applications Değirmenci, Deniz; Çubuk, Ertuğrul; Tarı, İlker; SELİMOĞLU, ÖZGÜR (2025-07-01) This study investigates a passive cooling system for horizontal concentrating (Hor-Con) photovoltaic (PV) modules. Maintaining operating temperatures within an optimal range is crucial for efficiency, as in concentrating p...
Physics-Informed Neural Networks for Heat Transfer and Fluid Flow problems Aygün, Atakan; Ata, Onur; Karakuş, Ali (2025-05-21) Physics-informed neural networks (PINN) have emerged as a viable alternative to the classicalnumerical methods while solving partial differential equations. Their ability to obtain the solutionwithout generating any mesh o...
An innovative approach of Hydrothermal Liquefaction combined with Concentrated Solar Power and Thermal Energy Storage Poravou, Charikleia A.; Tsongidis, Nikolaos; Değirmenci, Deniz; Ülkütaşır, Batuhan; Karagiannakis, George; Baker, Derek Keıth; Taylan, Onur (2025-05-16)
Thermal performance of combined annular and longitudinal fins-on-tube units in natural convection Salamatbakhsh, Elyas; Bayer, Özgür (2025-05-15) To enhance heat transfer in natural convection, annular and longitudinal fins have extensive usage in the industry and have been vastly studied in the literature. The current study investigates horizontal tubes with novel ...
Parallel Adaptive Mesh Refinement Algorithms on GPUs for Unstructured Grids Ata, Onur; Karakuş, Ali (2025-03-05) Adaptive mesh refinement (AMR) is a technique used to increase the spatial resolution of specific regions within the spatial domain of a simulation. It is useful in large-scale simulations to achieve a more computationally...
Discontinuous Galerkin Solutions of Moving Boundary Problems Using Arbitrary Lagrangian-Eulerian Method on GPUs Aygün, Atakan; Karakuş, Ali (2025-03-03) Flow problems with moving boundaries and interfaces appear naturally in many applications, such as turbine flow, flapping flight, etc. Numerical modeling of these flows poses additional challenges since the numerical...
Impact of nitrogen and alkali dopants on pore architecture and surface functionalities of biochar in one-step CO2 pyrolysis Akın, Süleyman Şener; Kır, Ali Bertan; Kazanç Özerinç, Feyza (2025-03-01) This study aims to elucidate the roles of common nitrogen dopants (melamine (M) and ammonium chloride (ACL)) and alkali agents (KOH (K) and NaOH (N)) on surface functional groups, pore architectures, and degrees of graphit...
Comprehensive characterization of a pneumatic active flow control system using in-situ hot wire calibration Çetin, Cenk; Yavuz, Mehmet Metin (2025-03-01) Pneumatic active flow control systems have great potential to control the aerodynamic phenomena including, separation, circulation, and turbulence. To quantify the effectiveness of such flow control schemes, thorough chara...
The influence of slotted solid cylindrical fin with aluminum foam insert on the thermal and hydraulic characteristics of air-cooled pin-fin heat sink Bayrak, Fatih Taha; TOPRAK, Beytullah İsmet; SOLMAZ, İsmail; Bayer, Özgür (2025-03-01) This study basically aims to enhance the heat removal performance of conventional solid cylindrical pin-finned heat sinks while maintaining a tolerable pressure drop by inserting porous aluminum material into the slots at ...
Finite Element Analysis of Evolut Transcatheter Heart Valves: Effects of Aortic Geometries and Valve Sizes on Post-TAVI Wall Stresses and Deformations Mutlu, Onur; Mazhar, Noaman; Saribay, Murat; Yavuz, Mehmet Metin; Ozturk, Deniz; Ghareeb, Abdel Naser; Alnabti, Abdulrahman; Yalcin, Huseyin Cagatay (2025-02-01) Background/Objectives: For transcatheter aortic valve implantation (TAVI) therapy, a catheter-guided crimped valve is deployed into the aortic root. Valve types such as Edwards balloon-expandable valves and Medtronic self-...
Coupled thermo-elastic dynamics of rotating pre-twisted blades exposed to thermal shock including nonlinear rotational effects Lotfan, Saeed; Ciğeroğlu, Ender (2025-01-05) Rotating blades operating under high-temperature experience intense mechanical and thermal stresses induced by centrifugal forces and thermal shock. In this research, to address this critical yet understudied topic, couple...
Layer path updating algorithm based on Voronoi diagrams for material extrusion additive manufacturing ÖZCAN, MELİH; Hergul, Yigit; Yaman, Ulaş (2025-01-01) In Material Extrusion (MEX) types of Additive Manufacturing (AM) technologies, the continuity of the trajectories affects the surface quality of the artifacts manufactured and the time of fabrication. Continuous paths resu...
A stochastic phase-field approach for the failure of rubberlike materials Açıkgöz, Kemal; Efe Tanış, Bülent; Dal, Hüsnü (2025-01-01) Although in the classical phase-field approach the assumption is a homogenized distribution of the critical energy release rate over the material, leading to catastrophic failure and hence brittle fracture; the experimenta...
Training-Free Affordance Labeling and Exploration using Subspace Projection and Manifold Curvature over Pre-Trained Deep Networks Özçil, İsmail; Bugra Koku, A. (2025-01-01) The advancement in computing power has significantly reduced the training times for deep learning, enabling the rapid development of networks designed for object recognition. However, the exploration of object utility, the...
Constitutive modelling of amplitude dependent dynamic response of rubber-like materials Yayla, Ayşe Usta; Durna, Recep; Dal, Hüsnü (2025-01-01) Rubber-like materials are widely used in the automotive, aerospace, and naval industries. The mechanical performance of rubbery polymers can be improved by incorporating filler particles. Filled rubber exhibits an amplitud...
Frequency Domain Analysis of Aeroelastic Flutter Problem of Planar Structures Using Generalized Differential Quadrature Method Kılıçarslan, Doğuhan; Kösterit, Güneş; Ciğeroğlu, Ender (2025-01-01) Flutter instability occurs when the modal damping of the system becomes negative while the natural frequency is nonzero, in which the energy of the system increases while the structure is undergoing vibrations. As an aeroe...
A comparative case study for fatigue lifetime predictors on EPDM rubber Tanış, Bülent Efe; Başdemir, Selçuk; Dal, Hüsnü; Bilal, Halil (2025-01-01) Prediction of lifetime for rubber-like materials subjected to uniaxial and multiaxial loads is an essential requirement in design of rubber components. The current state-of-art predictions rely on a range of stretch, stres...
Analytical and computational methods for a laterally graded surface loaded by a bonded piezoelectric thin film Dağ, Serkan; BALCİ, MEHMET NURULLAH (2025-01-01) Analytical and computational techniques are developed to carry out stress analyses for an advanced material system comprising a piezoelectric thin film bonded to a laterally graded half-plane. The piezoelectric thin film i...
The use of mathematical modelling in hand surgery Luria, Shai; Sandow, Michael; Leblebicioğlu, Gürsel; Tönük, Ergin; Yatağan, Koray Melih; Bekmez, Şenol; Demirci, Nagehan; Schwarcz, Yonatan (2025-01-01) Consistent explanations of hand and wrist anatomy, how it relates to function and leads to dysfunction, remain elusive. Recent research using new capabilities in computer-aided and three-dimensional (3D) modelling with mat...

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