Graduate School of Natural and Applied Sciences

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Recent Submissions

Rational Exergy Management Model based metrics for minimum carbon dioxide emissions and decarbonization in Glasgow
Kılkış, Birol; Kılkış, Şiir (2024-11-30)
Addressing climate change is an urgent issue that requires effective and sustainable solutions at multiple scales from the building to the district and city scales. This study focuses on the avoidable carbon dioxide emissi...
On-site hydrogen-rich gas production from diesel: A comprehensive study on catalyst development with nickel and diverse metal oxides (MgO, La2O3, CeO2, SiO2) supported on alumina
Sahingoz, Nurbanu Cakiryilmaz; Talu, Kerem; OKTAR, NURAY; Doğu, Timur; Pamuk, Ibrahim (2024-11-25)
The study aimed to investigate the impact of nickel-incorporating diverse metal oxides (MgO, La2O3, CeO2, SiO2) supported on alumina on the Diesel steam reforming reaction. Catalytic activity tests were performed within a ...
Sustainable development of energy, water and environment systems as a key opportunity for decarbonisation
Kılkış, Şiir; Krajačić, Goran; Duić, Neven; Rosen, Marc A.; Ahmad Al-Nimr, Moh'd (2024-11-15)
Visionary action for integrating across systems towards decarbonisation is a crucial need for better respecting the life-support systems of the planet and providing benefits for humanity. Upholding this guiding vision, the...
Urban emissions and land use efficiency scenarios for avoiding increments of global warming
Kılkış, Şiir (2024-10-30)
Urban areas have key roles in climate mitigation, including increasing renewable energy penetration in smart energy systems. The potential of urban areas in limiting global warming, however, is not quantified. This researc...
Social life cycle sustainability assessment of dried tomato products based on material and process selection through multi-criteria decision making
Ayhan, Dilber; Mendoza, Francisco Astorga; Gul, Muhammed Rasim; Ari, Izzet; Alpas, Hami; Oztop, Mecit Halil (Wiley, 2024-10-26)
BACKGROUND: Tomatoes are a significant product of the Mediterranean region and a crucial component of the Mediterraneandiet. The formulation of dried tomato products enriched with proteins and bioactive compounds could be a...
GPCC and GPCP precipitation products and GRACE and GRACE-FO terrestrial water storage observations for the assessment of drought recovery times
Çakan, Çağatay; Yılmaz, Mustafa Tuğrul; Department of Civil Engineering (2024-10-23)
Accurate precipitation observations are essential for understanding hydrological processes. Most precipitation products rely on station-based observations, necessitating additional independent data for validation. This stu...
Assestment of Cooperation Of Photovoltaics and Electrified Micro Mobility In The Concept Of Net Zero Energy Cities
Aydınalp, Nurhan; Göl, Murat; Department of Electrical and Electronics Engineering (2024-10-16)
In today’s world, the majority of energy generation still relies on non-renewable sources such as coal and oil. To reduce the dependence on these non-renewables, Battery Energy Storage Systems (BESS) and photovoltaics pres...
Numerical implementation of a strain gradient plasticity model coupled with nonlocal damage
Ünsal, İzzet Erkin; Yalçınkaya, Tuncay; Department of Aerospace Engineering (2024-10-07)
This thesis presents the implementation of a lower-order strain gradient plasticity model to capture size-dependent plastic deformation and nonlocal damage effects. Two methods are employed to calculate the effective plast...
IMPACT OF WEATHERING ON THE PHYSICAL, MECHANICAL AND HYGRIC PROPERTIES OF NINE MUD PLASTER MIXES APPLIED ON STRAWBALE WALLS
Şahin, Abdulmelik; Elias Özkan, Soofia Tahira; Department of Architecture (2024-10-4)
Earth-based building materials, such mud, clay, and adobe, provide a number of benefits, such as affordability, sustainability, and visual appeal. Nevertheless, there are a lot of difficulties in using them. Because earth-...
Binaries again! Revisiting the urban-rural question through geographies of discontent
Özatağan, Güldem; Eraydın, Ayda (2024-10-01)
A decade ago, leading scholars suggested that the ‘extended’ and ‘planetary’ form contemporary urbanisation has taken blurred demarcations of urban and rural and rendered the urban-rural binary an obsolete conceptual categ...
A just world on a safe planet: a Lancet Planetary Health–Earth Commission report on Earth-system boundaries, translations, and transformations
Gupta, Joyeeta; et. al. (2024-10-01)
The mass difference of $c$ and $u$ quarks is similar to the energy needed to excite gluonic degrees of freedom in strong QCD. This underpins the degeneracy of $D$ and a recently observed candidate hybrid excitation of the ...
SHALLOW LAKES UNDER PRESSURE: THE ROLE OF ZOOPLANKTON IN MEDIATING LAKE RESPONSES TO GLOBAL CHANGE, A MESOCOSM APPROACH
Yıldız, Dilvin; Beklioğlu, Meryem; Ger , Kemal Ali; Department of Earth System Science (2024-9-25)
Zooplankton communities are key components of lakes because they occupy a central position in the energy flow of freshwater ecosystems. Predictions driven by climate-driven and human-induced factors suggest significant alt...
OCCUPANCY MODELING USING POPULATION STATISTICS AND MACHINE LEARNING IN THE RESIDENTIAL BUILT ENVIRONMENT
İşeri , Orçun Koral; Gürsel Dino, İpek; Kalkan, Sinan; Department of Architecture (2024-9-16)
The emphasis of Urban Building Energy Modeling (UBEM) in informing urban design, building assessments, and energy system strategies for understanding the climate change impact on urban environment is challenged by the perf...
HARDWARE ACCELERATED PACKET PARSERS AND DEPARSERS FOR HIGH-THROUGHPUT FLOW CLASSIFICATION IN COMPUTER NETWORKS: DESIGN, IMPLEMENTATION AND EVALUATION
Demir, Omer Bayram; Schmidt, Şenan Ece; Department of Electrical and Electronics Engineering (2024-9-12)
Handling the increasing data rates and diverse traffic patterns of 5G networks requires high-performance packet processing. Packet parsers play a crucial role in identifying and parsing relevant information from the packet...
Adaptive Mesh Refinement for One Dimensional Scalar Conservation Laws
Çar, Kadir; Okutmuştur , Baver; Department of Mathematics (2024-9-6)
This thesis examines the numerical solutions of one dimensional scalar conservation laws on non-uniform grids by considering an Adaptive Mesh Refinement (AMR) based on an algorithm proposed by Berger and Colella. Finite ...
Quantum Random Walk Simulation Using Dependent Random Walk
Ceylan, Mert Kaşif; Vardar Acar, Ceren; Department of Statistics (2024-9-6)
Quantum computers have sparked significant interest in recent years due to their potential to revolutionize various fields. One area where quantum computing shows great promise is in the study of quantum walks, a quantum c...
Machine learning-based approach for bias correction of satellite-based precipitation products using environmental parameters and ground truth data in Turkiye
Sevinç, Gökhan; Yılmaz, Koray Kamil; Department of Geological Engineering (2024-9-06)
Satellite precipitation data are very important in hydrological studies, but contain bias. In this study, XGBoost and Random Forest machine learning algorithms are used to correct the bias with ground observations and en...
The advancement of customization experience through web-based configurators for modular housing industry
Akdemir, Ahmet Batuhan; Pekeriçli, Mehmet Koray; Department of Building Science in Architecture (2024-9-06)
Although the mass customization paradigm, which reflects the production philosophy of the 21st century and offers the most suitable products and services for the current market demands, has been adopted and sustained by ma...
USING DIGITAL TECHNOLOGIES TO FACILITATE IDENTIFICATION OF POLITICAL RISKS IN INTERNATIONAL CONSTRUCTION PROJECTS
Özyurt Ersöz, Beste; Birgönül, Mustafa Talat; Dikmen Toker, İrem; Department of Civil Engineering (2024-9-06)
In the context of international construction projects, effective and timely country risk assessment, particularly assessment of political risks is crucial due to uncertainty regarding socio-political conditions that have c...
Preparation of Multilayer Capsules for Enzymatic Reactions
Alemdar, Cemre; Erel Göktepe, İrem; Department of Chemistry (2024-9-6)
This thesis study aimed preparation of stimuli-responsive polymer nano- and micro reactors for enzymatic reactions. For the fabrication of nanoreactors, three model enzymes, Candida antarctica lipase B (CAL B), glucose oxi...
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