Department of Mechanical Engineering, Conference / Seminar

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Recent Submissions

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...
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...
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...
A data-driven constitutive model for compressible polymeric foams Açan, Alp Kağan; Gargı, Y.; Başdemir, Selçuk; Dal, Hüsnü (2025-01-01) Compressible polymeric foams exhibit a highly non-linear mechanical behaviour. Classical constitutive models have a fixed Mathema tical expression. Degree of porosity and the cellular structure of the foam affects the mech...
Numerical Performance Analysis of Olivine, Sintered Bauxite and Ceramic Particles in a Packed Bed Thermal Energy Storage for High-Temperature Applications Ülkütaşır, Batuhan; Değirmenci, Deniz; Taylan, Onur (2024-10-11)
Performance Improvement of Parabolic Trough Collector with Thermal Oil-Based Metal-Oxide Nanofluids Güner, Levent; Taylan, Onur; GÜNAY, AHMET ALPEREN (2024-10-11)
Valorisation of Agri-Food Waste using Concentrated Solar Energy and Thermal Energy Storage: A SolarHub Approach Değirmenci, Deniz; Ülkütaşır, Batuhan; Tsongidis, Nikolaos I.; Karagiannakis, George; Baker, Derek Keıth; Taylan, Onur; Poravou, Charikleia A. (2024-10-11)
Experimental investigation of conical spouted bed thermal solar receivers ÖZDEMİR, ARİF EREN; Akıcı, Can; KÖKSAL, MURAT; Külah, Görkem (2024-07-21)
Sustainable Conversion of Agri-food Waste using HTL Reactor Integrated with Concentrated Solar Energy, Thermal Energy Storage and Solar PV Değirmenci, Deniz; Ülkütaşır, Batuhan; Tsongidis, Nikolaos I.; Poravou, Charikleia A.; Karagiannakis, George; Baker, Derek Keıth; Taylan, Onur (2024-07-05)
A Novel Framework towards Transitioning into Positive Energy Districts on Neighborhood Scale Yılmaz, Ataberk; Delice, Eser; Gürsoy, Fatma Ece; Demir, Yasin Ataberk; İlkbahar, Cihat; Cabadağ, Sena Nur; Taylan, Onur; Gürsel Dino, İpek (2024-07-03)
Hydrothermal liquefaction of agri-food waste: Concentrated solar thermal coupling with a sensible heat storage system Tsongidis, Nikolaos I.; Poravou, Charikleia A.; Lekkos, Christodoulos; Karagiannakis, George; Ülkütaşır, Batuhan; Baker, Derek Keıth; Taylan, Onur (2024-06-19)
Prototyping of a Microfluidic Mechanochemical Gradient Chip by 3D Printed Molding for In Vitro Drug Testing Fathi, Milad; Mehrasa, Ali; Özçelikkale, Altuğ (2024-06-14)
Comparative Analysis of Solar Tower and Parabolic Trough Systems for Solar Heat in a Steel Industry Değirmenci, Deniz; Güner, Levent; Taylan, Onur; Inceoğlu, Didem Nedret; Sakallı, Server; Ünal, Erdal (2024-04-10) Concentrated Solar Thermal (CST) systems emerge as a promising alternative to replace fossil fuels used in industrial thermal processes due to their high energy density and dispatchability. In this study, a comparative ana...
A Novel Approach for Local Structural Modification of Nonlinear Structures Ceren Ekinci, E.; Bülent Özer, M.; Özgüven, Hasan Nevzat (2024-01-01) Structural modification methods provide powerful tools to calculate the dynamic behavior of a modified structure from that of the original one. In general, either the modal properties or responses of the original structure...
Accelerated Solution Methodology for 3D Hydrodynamic and Thermal Modeling of Grooved Heat Pipes with Complex Geometries Gökçe, Gökay; Çetin, Barbaros; Dursunkaya, Zafer (2024-01-01) Heat pipes play a crucial role in industrial thermal management owing to their exceptional heat-carrying capacity, minimal thermal resistance and reliable performance. However, designing and optimizing heat pipes becomes i...
The TRChallenge: Experimental Quantification of Nonlinear Modal Parameters and Confrontation with the Predictions Bhattu, Arati; Jamia, Nidhal; Hermann, Svenja; Müller, Florian; Scheel, Maren; Özgüven, Hasan Nevzat; Schwingshackl, Christoph; Krack, Malte (2024-01-01) In recent years, the prediction of the behavior of structures with high-level nonlinearities has been a challenging area of research. In 2021, the Tribomechadynamics Research Challenge was proposed to evaluate the current ...
SIMULTANEOUS CLOSE-CONTACT MELTING AT DIFFERENT MELTING TEMPERATURES IN A CYLINDRICAL ENCLOSURE Oskouei, Seyedmohsen Baghaei; Salamatbakhsh, Elyas; Bayer, Özgür (2024-01-01) Close-contact melting (CCM) is a phenomenon that takes place when the phase change material (PCM) is not constrained where a thin layer of melted PCM forms between the heated surface and solid PCM and expedites the melting...
Performance Comparison of Feedback Linearizing and Extended State Observer Based Feedback Linearizing Controllers for an Aerial Manipulation System Bulut, Nebi; Turgel, Fatih; Saylam, Emre; Gezer, Rüştü Berk; Turgut, Ali Emre; ARIKAN, KUTLUK BİLGE (2024-01-01) This paper presents the modeling and design of controllers for an aerial manipulation system that is obtained by combining a quadrotor and a 2-DOF serial manipulator. Throughout the study, firstly, the kinematic model of t...

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