Department of Mechanical Engineering, Conference / Seminar

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Conference Paper (918)
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Recent Submissions

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)
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)
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...
A Non-retracted Path Generation Algorithm for Material Extrusion Type of Additive Manufacturing Ozcan, Melih; Hergul, Yigit; Yaman, Ulaş (2024-01-01) Path planning algorithms are utilized in various fields to improve the efficiency of the defined tasks. Regarding extrusion based additive manufacturing (AM) technologies, an optimized path performs the same task in less t...
Four-Bar Function Generation Using Excel Solver Söylemez, Eres; Kiper, Gökhan (2024-01-01) The Chapter presents a simple and efficient way of approximating a function with a four-bar mechanism using four or five design parameters including one or both of the initial crank angles. The method only involves solutio...
A Comprehensive Analysis of LDA, SVM, and Neural Network Algorithms in Multiclass Myoelectric Identification of Limb Movements Evci, Furkan; Efekaan Efe, Ahmet; Konukseven, Erhan İlhan (2024-01-01) This study investigates the processing of Electromyography (EMG) signals, incorporating a lowpass filter at 400 Hz, a highpass filter at 20 Hz guided by Fast Fourier Transform (FFT) analysis, and Root Mean Square (RMS) ana...
Experimental Modal Analysis of Structures with High Nonlinear Damping by Using Response-Controlled Stepped-Sine Testing Karaağaçlı, Taylan; Özgüven, Hasan Nevzat (2024-01-01) In the last decade, various promising nonlinear modal identification techniques have been developed based on the nonlinear normal mode (NNM) concept. Most of these techniques rely on the phase resonance testing approach wh...
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 ...
Effect of Structural Parameters on the Nonlinear Vibration of L-Shaped Beams Ekici, Yigitcan; Ciğeroğlu, Ender; Yazıcıoğlu, Yiğit (2024-01-01) In this chapter, nonlinear vibration analysis of L-shaped beams is performed for different structural parameters, and the effects of these parameters are observed. The L-shaped beam is composed of two beams joined end to e...
Nonlinear Vibration Analysis of a Two-Blade System with Shroud-To-Shroud Contact by using Response Dependent Nonlinear Normal Modes Ahi, Tahsin; Ciğeroğlu, Ender; Özgüven, Hasan Nevzat (2024-1) Periodic forced response analysis of nonlinear real systems is a computationally demanding task. In order to reduce the computational burden, different approaches are proposed in the literature. The reduced computational e...
Extension and Experimental Verification of an Efficient Re-Analysis Method for Modified Non-linear Structures Ekinci, Ceren; Karaağaçlı, Taylan; Çelik, Furkan Kaan; Özer, Mehmet Bülent; Özgüven, Hasan Nevzat (2024-1) Design changes often occur during engineering applications. Although there are numerous methods to implement these changes and efficiently calculate dynamic responses of modified linear systems; modification methods applic...
Experimental Sub-structuring for Linear and Nonlinear Connection Dynamics: A Tutorial - Part 2: Nonlinear Joints Özgüven, Hasan Nevzat (2024-1)
Design and Implementation of Leveling and Balancing Algorithm for 6x6 Electric Unmanned Ground Vehicle with Active Hydro-Pneumatic Suspension System Besir, Meliksah; Ulusoy, Kaan Berke; Alkan, Ahmet; Konukseven, Erhan İlhan (2024-01-01) This study centers on developing a leveling and balancing algorithm for a 6x6 electric unmanned ground vehicle (UGV) featuring an active hydro-pneumatic suspension system. UGVs have garnered considerable attention for thei...
Assessment and Extension of the WrayAgarwal Turbulence Model for Shock WaveBoundary Layer Interactions Akça, Semih Can; Dikbaş, Erdem; Baran, Özgür Uğraş (2024-01-01) In this study, the performance of the Wray-Agarwal one-equation turbulence model is evaluated using Shock Wave-Boundary Layer Interaction (SWBLI) test cases. Also, a recently tested formulation by Raje and Sinha aiming for...
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...
MACHINE LEARNING BASED SPECTRAL MODEL FOR PARTICIPATING MEDIUM FOR MONTE CARLO METHOD Dincer, Selim; Tarı, İlker; Ertürk, Hakan (2024-01-01) In many engineering applications, radiative heat transfer occurs in the presence of participating media, which means there is an interaction between thermal radiation with absorbing, emitting, and scattering medium. In the...
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...
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...
Development of a Pheromone-Based Aggregation Method for Swarm Robots BOTASUN, ATAKAN; ŞAHİN, MEHMET; Turgut, Ali Emre; Şahin, Erol (2024-01-01) Although the use of “pheromones” in coordinating swarm robotic tasks such as foraging, coverage, and exploration is common, its use in aggregation still needs further exploration. In this paper, we introduce a pheromone-ba...

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