Department of Mechanical Engineering, Article

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Özgüven, Hasan Nevzat (44)
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Recent Submissions

A microfluidic device enabling drug resistance analysis of leukemia cells via coupled dielectrophoretic detection and impedimetric counting
Demircan Yalçın, Yağmur; Töral, Taylan Berkin; Sukas, Sertan; Yıldırım, Ender; Zorlu, Özge; Gündüz, Ufuk; Külah, Haluk (2021-12-01)
© 2021, The Author(s).We report the development of a lab-on-a-chip system, that facilitates coupled dielectrophoretic detection (DEP-D) and impedimetric counting (IM-C), for investigating drug resistance in K562 and CCRF-C...
Microstructure and nanomechanical behavior of sputtered CuNb thin films
Abboud, Mohammad; Motallebzadeh, Amir; Duygulu, Özgür; Maaß, Robert; Özerinç, Sezer (2021-09-01)
© 2021 Elsevier LtdWe report on the mechanical properties of Cu–Nb alloys produced by combinatorial magnetron sputtering. Depending on the composition, the microstructure is either fully amorphous (~30–65 at.% Cu), a dispe...
Simulation of turbulence induced sound generation inside stenosed femoral artery models with different severities and eccentricities
Ozden, Kamil; Yazıcıoğlu, Yiğit; Sert, Cüneyt (2021-09-01)
© 2021Background and objectives: Recent developments of low-cost, compact acoustic sensors, advanced signal processing tools and powerful computational resources allow researchers design new scoring systems for acoustic de...
End control damping algorithm for a stabilized gun turret system for the satisfaction of the collision avoidance requirement
Yerlikaya, Ümit; Balkan, Raif Tuna (2021-09-01)
© 2021 Elsevier B.V.This paper presents a collision avoidance algorithm for stabilized gun turrets and its real-time implementation. With the help of new collision avoidance algorithm, all types of turrets can be driven mo...
Stress fields around magma chambers influenced by elastic thermo-mechanical deformation: implications for forecasting chamber failure
Browning, J.; KARAOĞLU, ÖZGÜR; Bayer, Özgür; Turgay, M.B.; Acocella, V. (2021-07-01)
© 2021, International Association of Volcanology & Chemistry of the Earth's Interior.Defining the conditions that lead to the rupture of a magma chamber is essential to forecast eruptions. So far, models simulating magma c...
Supercritical extraction of biomass as an effective pretreatment step for the char yield control in pyrolysis
Trubetskaya, Anna; Budarin, Vitaliy; Arshadi, Mehrdad; Magalhães, Duarte; Kazanç Özerinç, Feyza; Hunt, Andrew John (2021-06-01)
© 2021 The Author(s)This work demonstrates that the coupling of supercritical carbon dioxide extraction with pyrolysis is an effective method for the removal of extractives from forestry residues and generation of solid ch...
Development and Analysis of the Novel Hybridization of a Single-Flash Geothermal Power Plant with Biomass Driven sCO2-Steam Rankine Combined Cycle
Mutlu, Balkan; Baker, Derek Keıth; Kazanç Özerinç, Feyza (2021-06-01)
Ideal tooth profile modifications for improving nonlinear dynamic response of planetary gear trains
Ozturk, Veysel Yalin; Ciğeroğlu, Ender; Özgüven, Hasan Nevzat (2021-05-01)
The ultimate goal in this study is to investigate the effects of tooth profile modifications (TPMs) on PGTs by performing parametric studies. For this purpose, firstly a nonlinear planetary gear dynamics model with time-va...
Prediction of yields and composition of char from fast pyrolysis of commercial lignocellulosic materials, organosolv fractionated and torrefied olive stones
Magalhães, Duarte; Gürel, Kaan; Matsakas, Leonidas; Christakopoulos, Paul; Pisano, Italo; Leahy, J.J.; Kazanç Özerinç, Feyza; Trubetskaya, Anna (Elsevier BV, 2021-04-01)
© 2020 The Author(s)This study investigated the fast pyrolysis behaviour of torrefied olive stones, fractionated olive stones and lignocellulosic commercial compounds. Olive stones were reacted in a continuous industrial t...
An extended view for acoustofluidic particle manipulation: Scenarios for actuation modes and device resonance phenomenon for bulk-acoustic-wave devicesa)
Özer, Mehmet Bülent; Cetin, Barbaros (2021-04-01)
For the manipulation of microparticles, ultrasonic devices, which employ acoustophoretic forces, have become an essential tool. There exists a widely used analytical expression in the literature which does not account for ...
Radiative heat transfer in the discrete element method using distance based approximations
Johnson, Evan F.; Tarı, İlker; Baker, Derek Keıth (2021-03-01)
A model to estimate radiative heat transfer in particle beds is developed for use in the Discrete Element Method (DEM). Monte Carlo ray tracing simulations are run to find the Radiation Distribution Factor (RDF) between pa...
Investigation of the structural, magnetic, and cooling performance of AlFe thin film and AlFeGd nanometric giant magnetocaloric thin films
Pat, Suat; Bayer, Özgür; Akay, Sertan Kemal; Mohammadigharehbagh, Reza; Kaya, Metin (Springer Science and Business Media LLC, 2021-02-01)
Giant magnetocaloric thin films are promising materials for new generation energy-efficient cooling systems. To investigate the cooling performance of AlFe and AlFeGd alloys, thin films have been deposited onto a glass sub...
Mechanical properties of thermoplastic parts produced by fused deposition modeling: a review
Bakir, Ali Alperen; Atik, Resul; Özerinç, Sezer (2021-02-01)
Purpose - This paper aims to provide an overview of the recent findings of the mechanical properties of parts manufactured by fused deposition modeling (FDM). FDM has become a widely used technique for the manufacturing of...
Interactions during CO2Co-gasification of Biomass and Coal Chars Obtained from Fast Pyrolysis in a Drop Tube Furnace
Magalhães, Duarte; Akgül, Alican; Kazanç Özerinç, Feyza; Costa, Mário (2021-01-01)
© 2021 American Chemical Society.This work investigated the co-gasification of biomass and coal chars obtained from fast pyrolysis (1000 °C, ∼104 °C s-1) in a drop tube furnace. Olive residue and Soma lignite were fast-pyr...
Current trends and research opportunities in hybrid additive manufacturing
Dilberoğlu, Mecid Uğur; Gharehpapagh, Bahar; Yaman, Ulaş; Dölen, Melik (2021-01-01)
Despite the rapid growth in the past decade, the industrial adoption of additive manufacturing has not still been achieved due to certain limitations. A recent trend to alleviate its inherent drawbacks is to integrate addi...
A self-adaptive landmark-based aggregation method for robot swarms
Sadeghi Amjadi, Arash; Raoufi, Mohsen; Turgut, Ali Emre (2021-01-01)
Aggregation, a widely observed behavior in social insects, is the gathering of individuals on any location or on a cue. The former being called the self-organized aggregation, and the latter being called the cue-based aggr...
Flow rate-controlled pipetting for microfluidics: second-generation flexible hydraulic reservoir (FHRv2)
Atay, Atakan; Topuz, Alper; Sariarslan, Buesra; Yıldırım, Ender; Charmet, Jerome; Couling, Kevin; ÇETİN, BARBAROS (Springer Science and Business Media LLC, 2021-01-01)
A critical component of microfluidic technology is the fluid pumping mechanism. Syringe and pressure pumps are typically used in the lab environment; however, their operations generate considerable dead volume that is ofte...
Robust Formation Coordination of Robot Swarms with Nonlinear Dynamics and Unknown Disturbances: Design and Experiments
Hu, Junyan; Turgut, Ali Emre; Lennox, Barry; Arvin, Farshad (2021-01-01)
IEEECoordination of robot swarms has received significant research interest over the last decade due to its wide real-world applications including precision agriculture, target surveillance, planetary exploration, etc. Man...
Efficient exascale discretizations: High-order finite element methods
Kolev, Tzanio; et. al. (2021-01-01)
© The Author(s) 2021.Efficient exploitation of exascale architectures requires rethinking of the numerical algorithms used in many large-scale applications. These architectures favor algorithms that expose ultra fine-grain...
Collision-Free Motion Planning for an Aligned Multiple-Turret System Operating in Extreme Environment
Yerlikaya, Ümit; Balkan, Raif Tuna (2021-01-01)
© The Author(s), 2021. Published by Cambridge University Press.Instead of using the tedious process of manual positioning, an off-line path planning algorithm has been developed for military turrets to improve their accura...
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