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STRUCTURAL OPTIMIZATION OF COMPOSITE WIND TURBINE BLADES WITH THERMOPLASTIC MATRICES AND NATURAL FIBER ALTERNATIVES Köroğlu, İrem Pınar; Dağ, Serkan; Chatzi, Eleni; Department of Mechanical Engineering (2026-9-1) The increasing scale of offshore wind turbine blades raises material demand and end-of-life challenges. Natural-fiber reinforcements and thermoplastic matrices offer sustainable alternatives, but their blade-scale suitability must be assessed structurally, with emphasis on effective composite properties, laminate thickness, and material distribution. This thesis investigates where and to what extent these alternatives can be introduced into the 98 m Gurit98m reference blade. Flax, ramie, and curauá are cons...
Precoder Design in Downlink Cell-Free Massive MIMO Systems Under Fronthaul Quantization Effect Yüksekkaya, Efe; Güvensen, Gökhan Muzaffer; Department of Electrical and Electronics Engineering (2026-9-02) Cell-free massive multiple-input multiple-output (MIMO) removes cell boundaries by letting many distributed access points (APs) jointly serve all users under the coordination of a central processing unit (CPU). On the uplink, a user-centric hybrid beamforming architecture with iterative soft interference cancellation has been shown to support far more users than there are radio-frequency chains. This thesis develops its downlink counterpart for single-carrier frequency-domain equalization (SC-FDE) over a cl...
Proposed shear wall and column areas for earthquake resistant reinforced concrete buildings Yakut, Şeyma Betül; Yakut, Ahmet; Kurç, Özgür; Department of Civil Engineering (2026-9) Seismic design relies on ductile inelastic behavior, yet the 2023 Kahramanmaraş earthquakes showed that execution quality frequently fails to provide this assumed ductility. Where available ductility is lower than assumed, excessive interstorey drift causes severe damage. To reduce reliance on inelastic deformation, this thesis determines the structural wall and column areas required to limit the maximum interstorey drift ratio to 1.0% under the DD-2 design earthquake. A parametric study of 352 TBEC-2018-co...
DEVELOPMENT OF PLANT-BASED MEAT ANALOGS BY HIGH- MOISTURE EXTRUSION: EVALUATION OF PHYSICOCHEMICAL PROPERTIES, STORAGE STABILITY, SENSORY ATTRIBUTES, AND APPLICATION IN HYBRID HAMBURGER PATTIES Altanlar, Ulunay; Şensoy, İlkay; Department of Food Engineering (2026-9) The increasing global demand for sustainable food products is driven by growing problems such as climate change, food waste, and limited food resources. Consequently, the development of plant-based meat analogs as a sustainable protein source has accelerated. In this study, high moisture meat analogs (HMMA) were produced by mixing pea protein isolate (PPI) with chickpea flour (CF), hazelnut meal flour (HM), and soryz flour (SF) in a 50:50 ratios. Pea protein isolate (PPI) and soy protein isolate (SPI) were ...
Examining The Talent Development Environments in Turkish Women’s Volleyball: Perceptions of Athletes, Coaches and Parents Alpay, Janset; İnce, Mustafa Levent; Department of Physical Education and Sports (2026-9-30) The objectives of this study are: 1) to determine the current status of Talent Development Environments (TDE) in women’s volleyball in Turkey based on the perceptions of athletes, coaches, and parents; 2) to examine the relationship between athletes’ age, length of volleyball experience, and length of time spent at their current club and their levels of TDE perception; and 3) to examine the relationship between coaches’ length of coaching experience and tenure at their current club and their levels of...
Liminal spaces of speed, identity and architectural experience: a study on Söğütözü, Ankara Altuntaş, Merve; Basa, İnci; Department of Architecture (2026-9) The speed of change and movement due to globalization has transformed architecture into something dynamic, especially in its role in shaping the identity of cities and the experiences of urbanites. The meaning and form of architecture have shifted. Rather than spaces of place, spaces of flow emerged, and architectural forms turned into non-architectural things. “Liminal spaces” emerged; in-between spaces, third spaces, and transitory spaces appeared, resulting in placelessness. Overall, the dimensionality a...
Data-Driven Discovery of Metal-Insulator Transition Compounds Yüksel, Gülçehre Duygu; Sargın, Irmak; Department of Metallurgical and Materials Engineering (2026-8-26) A metal-insulator transition (MIT) can arise from several different physical mechanisms, ranging from electron repulsion to lattice distortion to spin arrangement, yet all of them have a single label. Discovering new MIT compounds from structural databases is limited by two gaps. First, no static descriptor library targets all mechanisms at once. Second, supervised classifiers offer little interpretability. Moreover, the field offers only a few hundred reliably labeled compounds. At this scale, physical und...
A critical reading of Galataport: public space between Arendtian politics and Lefebvrian spatiality Kayaaslan, Can; Basa, İnci; Department of Architecture (2026-9-03) This thesis aims to understand a case of neoliberal non-public approach towards public space in Türkiye. To examine how public space is valued, produced, and lived, Hannah Arendt’s theory of the public realm is placed alongside Henri Lefebvre’s theory of the production of space. Rather than merging these two frameworks, the study explores how each theory can illuminate different aspects of public space. Arendt's theory is used to establish the concept of publicness through appearance and plurality. Then, h...
AN INVESTIGATION INTO THE IDENTITY POSITIONING AND TRANSLANGUAGING PRACTICES: A CASE STUDY OF TURKISH-GERMAN RETURNEES Öztürk, Havva; Sağın Şimşek, Sultan Çiğdem; Department of English Language Teaching (2026-10-5) The present study investigates identity positioning and translanguaging practices of Turkish-German returnees who grew up in Germany and subsequently returned to the ethnic homeland Türkiye. The study focuses on how returnees position their social identities across pre-return and post-return contexts and how their translanguaging practices are related to their identity positioning in post-return context. The present study has a qualitative research design and the data collection resources include semi-stru...
Modeling the Transition to Positive Energy Districts: Sizing Renewable Energy and Heat Pump Systems to Meet Heating and Cooling Demands Demir, Yasin Ataberk; Taylan, Onur; Department of Mechanical Engineering (2026-9-02) In Positive Energy District (PED) transitions, the supply architecture is usually assumed rather than evaluated, and PED designs based on decentralized (building-level) and centralized (a single plant serving all buildings through a shared network) systems are rarely compared. This thesis treats the supply architecture as the variable under study for forty single-family residences in the Çamlık District, Ankara, Türkiye, over a 25-year lifecycle (2026–2050). Both serve the same district under a common ideal...
PATHWAYS TO URBAN DECARBONIZATION: A COMBINED ASSESSMENT OF ENERGY, ECONOMICS AND ENVIRONMENTAL PERFORMANCE OF AN EXISTING BUILDING STOCK İlkbahar, Cihat; Gürsel Dino, İpek; Voyvoda, Ebru; Department of Architecture (2026-9-4) Building energy renovation is a critical pathway for cities aiming to achieve a clean energy transition and mitigate climate change, and determining optimal renovation scenarios requires analysis of trade-offs among investments, savings, and environmental impacts. While traditional analyses focus on financial and environmental aspects separately, this study presents an Urban Building Energy Modeling (UBEM) based multi-objective analysis framework that integrates economic assessment, environmental impact, an...
VISION-BASED SPACECRAFT RELATIVE POSE ESTIMATION USING HYBRID ESTIMATION METHODS BOSTANCI, SAFA MESUT; Söken, Halil Ersin; Department of Aerospace Engineering (2026-8-28) Autonomous spacecraft proximity operations require reliable relative pose and motion estimation, particularly for uncooperative, tumbling targets. This thesis investigates monocular vision for relative navigation with explicit modelling of measurement uncertainty, using the existing synthetic SPEED-UE-Cube dataset. The framework combines deep learning for keypoint detection, Perspective-n-Point (PnP) pose estimation, and a Multiplicative Extended Kalman Filter (MEKF). It derives a pose covariance from repro...
Cooperative transfer through security trainings: a policy network analysis of Türkiye-The Gambia relations Kaya Kerim, Rukiye; Bahçecik, Şerif Onur; Department of International Relations (2026-9-28) In 1989, when the Senegambia Confederation collapsed and Senegalese forces left The Gambia, the country suffered from severe lack of capacity, personnel and equipment both in the army and police forces. Looking for external assistance, The Gambia asked Türkiye to train and build necessary security apparatus. Since 1989, Türkiye has been conducting security training projects in The Gambia for both police and the army, moreover, there is a permanent Turkish Military Advisor for consultation to The Gambia Arme...
The Decisiveness Of Uncertainty: A Phenomenology Of The Experiences Of Men Diagnosed With Obsessive-Compulsive Disorder Demirhan, Rabia; Gençöz, Tülin; Demir, Eylül Ceren; Department of Psychology (2026-9-29) This study aims to examine the self-perception, daily lives, and family dynamics of men diagnosed with Obsessive-Compulsive Disorder (OCD). Semi-structured interviews were conducted with seven men diagnosed with OCD. The research questions addressed in the study are: "How do men diagnosed with OCD have a sense of themselves?", "How do men diagnosed with OCD experience their everyday life?", and "How are the family dynamics of men diagnosed with OCD?" Interpretative Phenomenological Analysis (IPA) was employ...
Response distortion in personality testing: Measuring attitudes and identifying motivational faking profiles Göksu Beşkaya, Zeynep; Toker Gültaş, Yonca; Department of Psychology (2026-9-30) Response distortion (faking) on personality tests remains a persistent concern in personnel selection, yet there is no consensus in the literature regarding the interpretation of its consequences. The literature is split between “faking is good (FIG)” and “faking is bad (FIB)” perspectives, however individual differences in who fakes and why remain poorly understood. This dissertation addresses this gap across three studies, taking a person-centered approach to the FIB-FIG debate by suggesting that applican...
“My Culture, Their Culture, and Our Culture”: The Impact of Native Culture on Middle School Students’ Intercultural Development Through an eTwinning Project Asmacı, Rüveyda Betül; Hatipoğlu, Çiler; Department of English Language Teaching (2026-9-21) The integration of learners' local culture into English language teaching has increasingly been recognised as a means of promoting intercultural communicative competence and meaningful language learning. Guided by culturally responsive teaching, this QUAL(quan) embedded mixed-methods case study investigated the integration of seventh-grade students' local culture into an international eTwinning project conducted in a public lower-secondary school in Hakkâri, Türkiye, examining students' intercultural sensit...
Navigating the void: A qualitative study on the lived experiences of NEET men in Ankara Bozdoğan, Zeynep; Tokluoğlu, Ayşe Ceylan; Department of Gender and Women's Studies (2026-9-28) This study examines the lived experiences, daily practices, gender identifications, and social support networks of young NEET (Not in Education, Employment, or Training) men in Ankara. Since the literature on this topic heavily focuses on young women or statistical studies, this research attempts to fill an empirical gap in critical masculinity studies by using Connell‘s concept of hegemonic masculinity, Butler‘s gender performativity, and Bourdieu‘s notions of habitus and capital. The study targeted young ...
ACKNOWLEDGMENT OF SEXUAL HARASSMENT IN SOCIAL LIFE: SCALE DEVELOPMENT AND DETERMINING ANTECEDENTS Demircioğlu, Zeynep Işıl; Toker Gültaş, Yonca; Department of Psychology (2026-9-29) Sexual harassment (SH) has been measured in contexts including workplaces, academia, and public spaces, while related behaviors in intimate relationships have largely been examined in the sexual coercion and intimate partner violence literatures. No single measure spans the close and familiar relationships that make up women's everyday social lives, and less is known about how women interpret these experiences. This dissertation aimed to develop and validate the Sexual Harassment in Social Life Scale (SHSLS...
“WHAT AM I EXPERIENCING?”: WOMEN’S EXPERIENCES OF PSYCHOLOGICAL ABUSE IN INTIMATE RELATIONSHIP Karal, Şevval; Gençöz, Faruk; Uçar, Selin; Department of Psychology (2026-10-1) This study aims to explore the subjective experiences of women subjected to psychological abuse in their intimate relationships. For this purpose, semi-structured interviews were conducted with five women, who reported experiencing psychological abuse in their marriages for at least six months. The data were analyzed using Interpretative Phenomenological Analysis (IPA). As a result of the analysis, five Group Experiential Themes (GETs) emerged: (1) “The Invisible Anchor”: The Paradox of Leaving, (2) The Str...
1964, Ankara League Champion METU Basketball Team (1964)