Department of Mechanical Engineering, Article

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Recent Submissions

Effect of nanoheterogeneities on the fracture toughness and tensile ductility of CuTa metallic glass thin films
Behboud, Ali B.; Fadaie, Amir; Motallebzadeh, Amir; ŞEHİRLİ, SERVET; Özerinç, Sezer (2024-04-05)
Nanoheterogenenous metallic glasses (MG) can offer improved ductility through a nanoscale modulation in their mechanical properties. However, the relationship between the modulation parameters and the mechanical behavior i...
Biochar gasification: Insights from pyrolysis atmospheres and gasification heating rates
Akgül, Alican; Akın, Süleyman Şener; Güleç, Fatih; Kazanç Özerinç, Feyza (2024-03-15)
Gasification is a promising technology for the synthesis of syngas and hydrogen, with char reactivity being a pivotal factor in the design of industrial gasifiers. Despite extensive studies on the gasification characterist...
Fracture toughness of AlTiN coatings investigated by nanoindentation and microcantilever bending
Kaygusuz, Burçin; Motallebzadeh, Amir; Karadayı, Özcan; Kazmanlı, Muhammet Kürşat; Özerinç, Sezer (2024-02-15)
Metal nitride coatings are increasingly used in MEMS applications. The brittle nature of these coatings makes fracture one of the main failure mechanisms during operation. Therefore, quantifying the fracture toughness of n...
Humanized brain organoids-on-chip integrated with sensors for screening neuronal activity and neurotoxicity
Saglam-Metiner, Pelin; Yıldırım, Ender; Dincer, Can; Basak, Onur; Yesil-Celiktas, Ozlem (2024-01-01)
The complex structure and function of the human central nervous system that develops from the neural tube made in vitro modeling quite challenging until the discovery of brain organoids. Human-induced pluripotent stem cell...
Close-contact melting and natural convection in unconstrained melting: A parametric study
Baghaei Oskouei, Seyedmohsen; Li, Zi-Rui; Bayer, Özgür; Fan, Li-Wu (2024-01-01)
Close-contact melting (CCM) is a phenomenon that can be achieved in latent thermal energy storage (LTES) units where the falling of solid PCM is realized. On the other hand, natural convection (NC) plays an important role ...
A rotary extrusion system with a rectangular-orifice nozzle: toward adaptive resolution in material extrusion additive manufacturing
Gharehpapagh, Bahar; Dilberoglu, Ugur M.; Yaman, Ulaş; Dolen, Melik (2024-01-01)
Material extrusion additive manufacturing (MEAM) has revolutionized the production of complex designs while minimizing the amount of effort required due to its simple production pipeline. However, MEAM naturally comes with...
Sodium salt surface interactions affect single particle combustion behavior of biomass, coal, and their chars
Akın, Süleyman Şener; Akgül, Alican; Kazanç Özerinç, Feyza (2023-12-15)
Sodium salt additions provide an effective route for tuning the combustion behavior of solid fuels. The salt-fuel surface interactions play a key role in combustion, as demonstrated by low heating rate experiments. High he...
Data-driven hyperelasticity, Part II: A canonical framework for anisotropic soft biological tissues
TİKENOĞULLARI, OĞUZ ZİYA; Açan, Alp Kağan; Kuhl, Ellen; Dal, Hüsnü (2023-12-01)
In this work, we present a novel anisotropic data-driven hyperelasticity framework for the constitutive modeling of soft biological tissues that allows direct incorporation of experimental data into the constitutive model,...
Design of a microfluidic device for immunoaffinity-based isolation of circulating tumor cells with minimal clogging
Sen-Dogan, Begum; Yıldırım, Ender; Sahin, Sebnem; Ozgur, Ebru; Zorlu, Ozge; Külah, Haluk (2023-12-01)
Combining bioaffinity-based techniques with microfluidics is an effective strategy for the selective isolation of rare circulating tumor cells (CTCs) among peripheral blood cells. In this scope, designing a microfluidic ch...
An improved peridynamic approach for fatigue analysis of two dimensional functionally graded materials
Altay, Ugur; DÖRDÜNCÜ, MEHMET; Kadıoğlu, Fevzi Suat (2023-12-01)
This study investigates the fatigue behavior of functionally graded materials (FGMs) within an enhanced peridynamic (PD) framework that eliminates the need for surface and volume correction factors. FGMs offer mechanical a...
Elliptical pillars for the thermal performance enhancement of micro-structured evaporators
Yuncu, Goksel; Akkus, Yigit; Dursunkaya, Zafer (2023-11-01)
In this study, we propose and investigate the employment of elliptical micropillars as a novel evaporator wick structure to boost the performance of capillarity-driven two-phase heat spreaders through high-fidelity numeric...
Numerical simulation of duct flow in the presence of participating media radiation with total energy based entropic lattice Boltzmann method
Gümüşsu, Emre; Tarman, Işık Hakan (2023-11-01)
Consideration of the effect of participating media radiation becomes essential for industrial systems due to the increasing use of high temperature materials. Participating media radiation is present in these systems with ...
Data-driven hyperelasticity, Part I: A canonical isotropic formulation for rubberlike materials
Dal, Hüsnü; Denli, Funda Aksu; Açan, Alp Kağan; Kaliske, Michael (2023-10-01)
Data-driven hyperelasticity shows great promise for modeling the mechanical response of rubberlike materials. It enables an automated linkage between experimental data and me chanical response without a priori knowledge o...
Analytical Validation of a Spiral Microfluidic Chip with Hydrofoil-Shaped Pillars for the Enrichment of Circulating Tumor Cells
Sen-Dogan, Begum; Demir, Mehmet Alper; Sahin, Buket; Yıldırım, Ender; Karayalcin, Gizem; Sahin, Sebnem; Mutlu, Ege; Toral, Taylan Berkin; Ozgur, Ebru; Zorlu, Ozge; Kulah, Haluk (2023-10-01)
The isolation of circulating tumor cells (CTCs) from peripheral blood with high efficiency remains a challenge hindering the utilization of CTC enrichment methods in clinical practice. Here, we propose a microfluidic chann...
Adaptive Toolpath Generation for Material Extrusion Additive Manufacturing Using a Nozzle with Rectangular Orifice
Gharehpapagh, Bahar; Dilberoğlu, Mecid Uğur; Yaman, Ulaş; Dölen, Melik (2023-09-25)
Material Extrusion Additive Manufacturing has greatly simplified the production of complex designs, but it is often accompanied by a trade-off between build resolution and build rate. A higher build resolution can improve ...
A comprehensive study on water jet guided laser micro hole drilling of an aerospace alloy
Subasi, Levent; Gokler, Mustafa I.; Yaman, Ulaş (2023-09-01)
Ultrasound emission monitoring Drilling of micro cooling holes on turbine components is of critical importance for the performance of a jet engine. Water jet guided laser is a convenient processing method to drill such hol...
On the design of a solar heat storage tank at 120°C
Christodoulaki, Rosie; Akmandor, İbrahim Sinan; Bayer, Özgür; Desideri, Umberto; Ferrari, Lorenzo; Frate, Guido Francesco; Drosou, Vassiliki (2023-09-01)
Özgüven, Hasan Nevzat (TMMOB Makina Mühendisleri Odası, 2023-9)
Experimental and numerical investigation of melting and solidification enhancement using Fibonacci-inspired fins in a latent thermal energy storage unit
Baghaei Oskouei, Seyedmohsen; Bayer, Özgür (2023-08-15)
The major challenge with phase change materials (PCMs) is their low thermal conductivity, eventuating long melting (charging) and solidification (discharging) times in latent thermal energy storage (LTES) units. Using exte...
Comparative assessment of multi-objective optimization of hybrid energy storage system considering grid balancing
Rasool, Muhammad Haseeb; Taylan, Onur; Perwez, Usama; Batunlu, Canras (2023-08-01)
With the accelerated transition towards affordable and clean energy sources, the energy sector is undergoing a structural transformation that has resulted in a further increase in the complexity of energy system planning w...
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