Department of Mechanical Engineering, Thesis

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Thesis (2284)

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Author
Öztürk, Emre (3)
Aghazadeh, Reza (2)
Ak, Mehmet Ali (2)
Akdağ, Osman (2)
Akmeşe, Alper (2)

Subject
Mechanical engineering. (231)
Mechanical Engineering. (49)
Finite element method. (41)
Heat (30)
Computational fluid dynamics. (24)

Date Issued
1961 - 1979 (394)
1980 - 1999 (751)
2000 - 2019 (1101)
2020 - 2021 (38)

Recent Submissions

INVESTIGATION OF DAMAGE IN GFRP TAPERED COMPOSITE LAMINATES
Hosseinpour Dashatan, Saeid; Arıkan, Mehmet Ali Sahir; Parnas, Kemal Levend; Department of Mechanical Engineering (2021-8-13)
In some applications of composite laminates, thickness variation is necessary to fulfill specific design requirements. One way of accomplishing the intentional thickness variation in composite structures is terminating som...
Landmark-based Aggregation method for Robot Swarms
Sadeghi Amjadi, Arash; Turgut, Ali Emre; Department of Mechanical Engineering (2021-8-3)
Aggregation, a widely observed behavior in social insects, is the gathering of individuals at any location or on a cue. The former being called self-organized aggregation, and the latter being called cue-based aggregation....
Development of Nanostructured Metallic Glasses with High Toughness
Bagheri Behboud, Ali; Özerinç, Sezer; Department of Mechanical Engineering (2021-8)
Metallic glasses are metallic alloys with disordered atomic structures and desirable mechanical properties such as high hardness, high elastic limits, and wear resistance. These properties make metallic glasses promising m...
SINGLE PARTICLE COMBUSTION ANALYSIS OF BIOMASS FUELS BY USING WIRE MESH REACTOR
GÜREL, KAAN; Kazanç Özerinç, Feyza; Department of Mechanical Engineering (2021-7-30)
This thesis investigates the single particle combustion behavior of a Turkish lignite and two agricultural biomass fuels using a recently developed wire mesh reactor coupled with a high-speed camera. The fuels under invest...
Biomechanical modelling of the interphalangeal joints of the human hand
Yatağan, Koray Melih; Tönük, Ergin; Leblebicioğlu, Gürsel; Department of Mechanical Engineering (2021-7-15)
In this study, the development process of a 3D unconstrained model of the interphalangeal (IP) joints is presented. The model agrees with the experimental studies. It can explain the change in the axis of the IP joints, th...
OUTDOOR LOCALIZATION OF A ROBOTIC PLATFORM USING PANAROMIC IMAGES
Ekinci, Gülçin Ceren; Koku, Ahmet Buğra; Department of Mechanical Engineering (2021-7-8)
Advances in robotics liberated robots from factory floors by the end of 20th century. Use of robots in our daily lives is only expected to increase in time. Robots, while relieving us from the burden of tedious, hard and d...
Characterization of novel materials for fused filament fabrication
AL-DUAIS, ABDULLAH ABDULRAHMAN NAJI; Özerinç, Sezer; Kazanç Özerinç, Feyza; Department of Mechanical Engineering (2021-6-24)
Fused filament fabrication (FFF) is a polymer additive manufacturing technology that is suitable for a wide range of applications due to its low cost and ease of use. This thesis investigated two types of novel materials f...
Autonomous and manual driving of a multiple turret system in extreme environment
Yerlikaya, Ümit; Balkan, Raif Tuna; Department of Mechanical Engineering (2021-6)
In this thesis, firstly two methods are developed to obtain multi-dimensional configuration space for path planning problems. In typical cases, the path planning problems are solved directly in the 3-D workspace. However, ...
Modeling guided heat pipe design methodology and experimental validation for flat grooved heat pipes
Saygan, Samet; Dursunkaya, Zafer; Çetin, Barbaros; Department of Mechanical Engineering (2021-2-24)
Heat pipes are commonly preferred thermal management devices due to their rapid heat transfer characteristics, small size and reliability. It is crucial to design heat pipes that accurately match the requirements of the sy...
Investigation of alternative biomass fuels and Turkish lignites at high heating rate pyrolysis and combustion conditions
Magalhaes, Duarte; Kazanç Özerinç, Feyza; Yozgatlıgil, Ahmet; Department of Mechanical Engineering (2021-2-12)
The objective of this work was to investigate alternative Turkish fuels fortheir ignition, combustion, pyrolysis, and gasification behavior and to select alternative fuels for co-firing, co-pyrolysis, a...
Detailed simulations of parabolic trough collector for investigating enhancement of heat transfer to absorber tube flow
Uygur, Sinan; Tarı, İlker; Department of Mechanical Engineering (2021-2-12)
In this thesis, a detailed method to simulate heat transfer and fluid flow of parabolic trough solar collectors is presented. An optical model of the considered collector is created with Tonatiuh ray tracing program. The d...
Advances in modeling high temperature particle flows in the field of concentrating solar power
Johnson, Evan F.; Tarı, İlker; Baker, Derek Keıth; Department of Mechanical Engineering (2021-2-8)
Within the field of concentrating solar power (CSP), central receiver (“tower”) type systems are capable of achieving temperatures reaching or exceeding 1000 ⁰C. To utilize this heat efficiently, a growing body of research...
Analysis and verification of a pyroshock test system
Küçükbayram, Anıl İsmail; Özer, Mehmet Bülent; Department of Mechanical Engineering (2021-2-03)
In the aerospace industry, systems, subsystems, and units are exposed toexplosive events during their lifecycle. Any explosive event creates shock in the structure, and it propagates until it is damped. This shock ...
Investigation of mechanical and thermal properties of sintered bauxite and sand particles as heat transfer and storage media
Uykun, Zeynep; Tarı, İlker; Baker, Derek Keıth; Department of Mechanical Engineering (2021-1-11)
Solid particles have gained an attraction in recent years to be used as a heat transfer and storage medium that can be integrated into various thermal power plants. Particles operate in a closed-loop cycle in the power pla...
Numerical and experimental investigation of acoustophoretic microfluidic devices
Şahin, Mehmet Akif; Özer, Mehmet Bülent; Department of Mechanical Engineering (2021-1)
Acoustophoresis is one of the techniques to manipulate suspended particles to intended positionsin continuous flow. In this study, a numerical simulation methodologythatcouples electro-mechanic, solid,and ac...
Comparison of different active suspension control strategies using half car model
Büyüker, Banu Çiçek; Bayar, Kerem; Department of Mechanical Engineering (2020-12-30)
Among other advances in ground vehicle technology, active suspension systems play an important role in improving ride comfort, handling and road holding vehicles. Ride comfort is affected by vehicle motions, such as body b...
Numerical investigation of living cells under ultrasonic excitation in microfluidic devices
Açıkgöz, Hande Nur; Özer, Mehmet Bülent; Department of Mechanical Engineering (2020-12-28)
Acoustophoretic microfluidic applications are an essential part of Lab-on-a-chip systems. Studies about acoustophoretic particle manipulation are available in the literature. However, conventional analy...
Nonlinear system identification and nonlinear experimental modal analysis by using response controlled stepped sine testing
Karaağaçlı, Taylan; Özgüven, Hasan Nevzat; Department of Mechanical Engineering (2020-12-24)
In this work, two novel nonlinear system identification methods are proposed in both the modal and spatial domains, respectively, based on response-controlled stepped-sine testing (RCT) where the displacement amplitude of ...
Design, fabrication, and characterization of micro thermal actuators
Gülcüler, Buğrahan; Azgın, Kıvanç; Department of Mechanical Engineering (2020-11)
This thesis presents the design, fabrication, and characterization of V-Type thermal actuators, which will be used in an actuator system that is planned to be a tensile and compressive test setup to characterize the expand...
Development of a cfd assisted 3-d modeling and analysis methodology for grooved heat pipe design and performance assessment
Gökçe, Gökay; Dursunkaya, Zafer; Department of Mechanical Engineering (2020-10-13)
Although the idea of phase change heat transfer has a long history going back to mid 19th century, modeling of multi-phase heat transfer still draws interest from the engineers and scientists worldwide due to its complex...
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