Dept. of Mechanical Engineering - Master's degree
Recent Submissions
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Nonlinear modeling of non-Newtonian hydrodynamic lubrication
(Bilkent University, 2019-08)Lubrication is essential to improve the performance of sliding surfaces. Power transmission in mechanical and biological systems rely on proper lubrication to minimize wear and energy losses. However, most practical ... -
Linear stability analysis of evaporating falling liquid films
(Bilkent University, 2019-08)In order to improve our understanding of the wavy dynamics of evaporating falling liquid films, we perform a linear stability analysis using the Orr Sommerfeld (OS) eigenvalue problem. In the present work, the OS problem ... -
Design of a droplet based microfluidic reactor to synthesize chitosan coated iron oxide nanoparticles
(Bilkent University, 2019-07)Nanoparticles possess unique structural, mechanical, thermal, optical and chemical properties which are highly dependent on their size; therefore it is important to be able to synthesize them uniformly. In general they ... -
Homogenization of composites embedding general imperfect interfaces
(Bilkent University, 2019-06)The objective of this work is to present a systematic study on the overall behavior of composites embedding general interfaces between the constituents. The zero-thickness interface model represents a finite-thickness ... -
Pre- and post-buckling analysis of nanobeams
(Bilkent University, 2019-02)Interest in nanobeams is increasing as their application areas widen and new properties are discovered. These structures exhibit size dependent intrinsic properties that are absent in macroscale. This requires employment ... -
Smart composites with tunable stress-strain curves
(Bilkent University, 2019-01)Smart composite materials with tunable stress-strain curves are examined numerically. Microscopic constituents of the composites respond to external stimuli by changing their elastic response in a well-defined, continuous ... -
Development of control oriented vehicle models and their application to adaptive control allocation problems
(Bilkent University, 2018-10)Emerging vehicle control systems have increased the need for valid vehicle models. In this study, two controller oriented vehicle models are developed and linearized for easier controller design. These models are validated ... -
Investigation of AC electro-osmotic flow based microfluidic mixer with micro rods
(Bilkent University, 2018-09)AC electrokinetics (ACEK) is useful technique for providing species manipulation and liquid transportation. This method is applicable to many fields like cell separation, synthesis, pumping, mixing in microfluidics ... -
Design, control, modeling, and gait analysis in miniature foldable robotics
(Bilkent University, 2018-09)Miniature or micro robotic platforms are perfect candidates for accomplishing tasks such as inspection, surveillance, and hazardous environment exploration where conventional macro robots fail to serve. Such applications ... -
An investigation of the effects of human dynamics on system stability and performance
(Bilkent University, 2018-08)Considered as a challenging element of closed-loop structures, the human operator, and his/her interactions with the underlying system, should be carefully analyzed to obtain a safe and high performing system. In this ... -
Mass and stiffness spectrometry of nanoparticles and bio-molecules by nanoelectromechanical systems
(Bilkent University, 2018-08)Mass spectrometry (MS) is a technique used frequently in mass measurements in order to identify mass of the molecules. Nanoelectromechanical systems are highly sensitive to adhered species, thus using NEMS devices, it ... -
A novel analogy: application of higher-order mode theory in the mechanical domain to the electromagnetic domain
(Bilkent University, 2018-08)It is crucial to engineer novel detection schemes that can extract information pertinent to the morphological properties of the analytes for widespread usage of lab-on-a-chip technology. Within the scope of this thesis, ... -
Design, fabrication, and applications of electrostatically buckled nanomechanical systems
(Bilkent University, 2018-08)Buckling is an important resource for memory and sensing applications at the micro- and nano-scale. Although di erent approaches have been developed to access buckling, such as the use of pre-stressed beams or thermal ... -
Multimode microwave sensors for microdroplet and single-cell detection
(Bilkent University, 2018-08)A novel detection mechanism which can reveal both morphological and electrical properties of analytes are needed for Lab-on-a-Chip applications. Herein, a label-free, real-time and non-contact detection paradigm in ... -
Surface integrated membrane nanomechanical and microwave coplanar waveguide based biosensors
(Bilkent University, 2018-08)Nanoelectromechanical Systems, or NEMS, is the further miniaturized extension of novel devices of 40 years ago, Microelectromechanical Systems or MEMS in short. Nano scale devices first appeared at the dawn of 21st century ... -
Effect of channel geometry on alternating droplet generation
(Bilkent University, 2018-06)Droplet based micro uidics has been one of the popular topics in micro udics research for the past two decades due to several advantages which include: less amount of reagent (sample) being used, enhanced mixing in the ... -
Optimization of compliant joints used in miniature foldable robotics
(Bilkent University, 2018-04)In small scale and more specifically in miniature robotics applications, compliant mechanisms are highly preferred because of their advantages such as, less moving parts, friction losses, assembly time and effort, but ... -
Investigation of TI6AL4V microstructure effects on process material interaction during micro milling
(Bilkent University, 2018-01)The interrelationship between material microstructure and process parameters must be well understood in order to improve the machinability. In micro milling, the process parameters including depth of cut, feed and cutting ... -
A droplet-based microfluidic reactor for silica nanoparticle synthesis and post processing of quantum dots
(Bilkent University, 2017-08)The unique properties of nanoparticles mainly depend on their size and morphology; thus, it is of the utmost importance to synthesize them monodispersely to be useful in an application. Micro uidic reactors enable a ... -
Thermal performance characterization of flat grooved heat pipes
(Bilkent University, 2017-08)Heat pipes are promising heat removal devices widely used in a variety of elds ranging from thermal management of electronic components to terrestrial and aerospace applications. Their working principle, phase change ...
