Faculty of Engineering

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Ergül, Özgür Salih (287)
Kök, Mustafa Verşan (243)
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Özgüven, Hasan Nevzat (211)

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Condensed Matter Physics (455)
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1961 - 1979 (2076)
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Recent Submissions

Traditional seismic hazard analyses underestimate hazard levels when compared to observations from the 2023 Kahramanmaras earthquakes
Altindal, Abdullah; Askan Gündoğan, Ayşegül (2024-12-01)
A sequence of two major earthquakes, Mw7.8 Pazarcik, and Mw7.5 Elbistan, struck Southeastern Turkey in February 2023. The large magnitudes of the earthquakes and the short time between the two events raised questions about...
Privacy-preserving federated machine learning on FAIR health data: A real-world application
Sınacı, Ali Anıl; Gencturk, Mert; Alvarez-Romero, Celia; Laleci Erturkmen, Gokce Banu; Martinez-Garcia, Alicia; Escalona-Cuaresma, María José; Parra-Calderon, Carlos Luis (2024-12-01)
Objective: This paper introduces a privacy-preserving federated machine learning (ML) architecture built upon Findable, Accessible, Interoperable, and Reusable (FAIR) health data. It aims to devise an architecture for exec...
Isotropic gap formation, localization, and waveguiding in mesoscale Yukawa-potential amorphous structures
Sarihan, Murat Can; Gövdeli, Alperen; Lan, Zhihao; Yilmaz, Yildirim Batuhan; Erdil, Mertcan; Wang, Yupei; Aras, Mehmet Sirin; Yanik, Cenk; Panoiu, Nicolae Coriolan; Wong, Chee Wei; Kocaman, Serdar (2024-12-01)
Amorphous photonic structures are mesoscopic optical structures described by electrical permittivity distributions with underlying spatial randomness. They offer a unique platform for studying a broad set of electromagneti...
A non-iterative boundary element formulation for nonlinear viscoelasticity
Akay, Ahmet Arda; Gürses, Ercan; Göktepe, Serdar (2024-06-01)
In this study, we propose a non-iterative boundary element method (BEM) of highly nonlinear viscoelasticity in time domain. The computationally attractive iteration-free algorithmic structure is achieved by the linearizati...
Cutting-edge advancements in MXene-derived materials: Revolutionary electrocatalysts for hydrogen evolution and high-performance energy storage
Khan, Muhammad; Hussain, Amjad; Saleh, Muhammad Tahir; Ibrahim, Mohammad; Attique, Faisal; Sun, Xiaohui; Ünalan, Hüsnü Emrah; Shafi, Muhammad; Khan, Yaqoob; Khan, Idrees; Ragab, Ahmed H.; Hassan, Abeer A.; Ali, Rawaid; Ali, Zafar; Khan, Abdul Jabbar; Zada, Amir (2024-05-01)
MXenes belong to a set of 2-dimensional (2D) materials composed of transition metals, carbides, nitrides, and carbonitrides demonstrated unique properties in several fields including catalysis and energy storage. This revi...
Field teams coordination for earthquake-damaged distribution system energization
Işık, İlker; Aydın Göl, Ebru (2024-05-01)
The re-energization of electrical distribution systems in a post-disaster scenario is of grave importance as most modern infrastructure systems rely heavily on the presence of electricity. This paper introduces a method to...
Numerical modeling of the CO2 injection in the Kızıldere geothermal field using multiple inter-well tracer tests
Sevindik, Doguhan Barlas; Erol, Selcuk; Akın, Serhat (2024-05-01)
Many geothermal power plants in Turkey emit high amounts of non-condensable gas (NCG), consisting mainly of CO2. Thus, it is crucial to mitigate the NCG emissions by re-injecting the captured gas back into the reservoir. I...
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...
Effect of Wall Size on the Rotation Capacity of Reinforced Concrete Structural Walls
Kazaz, İlker; Sertkaya, Mahinur; Yakut, Ahmet (2024-04-01)
The limiting deformations of RC members used in seismic design and assessment are mainly based on experimental measurements, for which the lack of structural wall tests of large sizes restricts our knowledge on the deforma...
Compound effect of closing the loop and servitization in supply chains
Alegoz, Mehmet; Karaer, Özgen (2024-04-01)
Companies generally strive to become more sustainable by changing their business models or their supply chain structures. In this study, we evaluate the two aspects together; i.e., the compound effect of adopting servitiza...
Using System Dynamics to Support Strategic Digitalization Decisions
Kaya, Hazal Deniz; Dikmen Toker, İrem (2024-04-01)
Although digitalization has become a prospect that is counted on for many problems in the construction industry, there have been limited attempts at exploring decision-making processes in construction firms concerning the ...
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...
Analysis of core velocity in the presence of solids using UDV and improved model for cloud height in stirred tanks
Fırat Taşkın, Ahmet; Uludağ, Yusuf; Ayrancı Tansık, İnci (2024-03-05)
Formation of cloud height is undesired due to limited mixing between clear liquid and solids rich volume; therefore, an accurate prediction of the cloud height is crucial. In this work, ultrasound Doppler velocimetry was e...
Crystallization of sucrose by using microwave vacuum evaporation
Ibis, Ozge Ilgin; Bugday, Yagmur Balabanli; Aljurf, Bodoor Nabil; Goksu, Aylin Ozgur; Solmaz, Hatice; Öztop, Halil Mecit; Şümnü, Servet Gülüm (2024-03-01)
Sucrose crystallization was performed by using a custom designed microwave vacuum evaporation system. Process was designed to mimic a semi-batch crystallization starting from beet syrup concentration to crystal slurry form...
Liquefaction and performance of foundation systems in Iskenderun during 2023 Kahramanmaras-Turkiye earthquake sequence
ÖZENER, Pelin; Monkul, M. Murat; Bayat, Esra Ece; ARİ, Abdulmuttalip; Çetin, Kemal Önder (2024-03-01)
On February 6, 2023, two devastating earthquakes occurred on the East Anatolian Fault, Turkiye. The earthquakes had severe impacts on civil engineering structures in Iskenderun, Hatay. Reconnaissance studies were performed...
Real options valuation of photovoltaic investments: A case from Turkey
Or, Bartu; Bilgin, Gozde; Akcay, Emre Caner; Dikmen, Irem; Birgönül, Mustafa Talat (2024-03-01)
Investments in renewable energy resources have become inevitable due to increasing energy demand and energy prices, diminishing non-renewable energy resources, and the outgrowth of carbon footprints. Photovoltaic (PV) syst...
An airport gate reassignment problem with gate closures
Poyraz, Dursen Deniz; Azizoğlu, Meral (2024-03-01)
In this study, we consider an airport gate reassignment problem where an airport has assigned gates to aircraft, but then a disruption occurs at some of the gates. After the disruption, we need to reassign the aircraft to ...
Local site effects at the selected stations affected by the February 6 2023 Türkiye Earthquake Sequences
İLHAN, OKAN; Indır, Onur; Muratoğlu, Gamze; İçen, Abdullah; Albayrak, Kubilay; SANDIKKAYA, MUSTAFA ABDULLAH; Askan Gündoğan, Ayşegül; Arduino, Pedro; Taciroğlu, Ertuğrul (2024-03-01)
This paper explores the applicability of one-dimensional (1D) nonlinear (NL) and equivalent-linear (EL) site response analyses (SRA) for characterizing site effects at selected strong ground motion stations impacted by the...
Development and directed energy deposition of high strength Hf5Mo15Nb35Ta25Ti20 refractory high entropy alloys
Özalp, Ali; Okuyucu, Can; Koc, B.; El-Atwani, O.; Aydoğan Güngör, Eda (2024-03-01)
In this study, a novel HfMoNbTaTi refractory high entropy alloy was designed by empirical calculations and CALculation of PHAse Diagram (CALPHAD) method by using ThermoCalc software. Directed energy deposition (DED) based ...
Methods to improve antibacterial properties of PEEK: A review
Uysal, Idil; Tezcaner, Ayşen; Evis, Zafer (2024-03-01)
As a thermoplastic and bioinert polymer, polyether ether ketone (PEEK) serves as spine implants, femoral stems, cranial implants, and joint arthroplasty implants due to its mechanical properties resembling the cortical bon...
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