Department of Mechanical Engineering

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Thesis (2303)
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Project (161)
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Koku, Ahmet Buğra (105)
Konukseven, Erhan İlhan (105)
Ciğeroğlu, Ender (99)
Turgut, Ali Emre (80)
Özgüven, Hasan Nevzat (79)

Mechanical engineering. (231)
Mechanical Engineering (164)
Mechanics of Materials (102)
Condensed Matter Physics (80)
General Materials Science (62)

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1961 - 1979 (404)
1980 - 1999 (982)
2000 - 2019 (2555)
2020 - 2023 (350)

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Master Thesis (2109)
Journal Article (796)
Conference Paper (746)
Ph.D. Thesis (194)
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Recent Submissions

Comprehensive three-dimensional hydrodynamic and thermal modeling of steady-state operation of a flat grooved heat pipe
Gökçe, Gökay; Kurt, Cem; Odabaşı, Gülnihal; Dursunkaya, Zafer; Çetin, Barbaros (2023-03-01)
© 2022 Elsevier LtdMathematical modeling of grooved heat pipes is a challenging task since multiple coupled physical phenomena such as phase change, free-surface flow and heat transfer are involved. Moreover, the fact that...
Assessment of silicon, glass, FR4, PDMS and PMMA as a chip material for acoustic particle/cell manipulation in microfluidics
Açıkgöz, Hande N.; Karaman, Alara; Şahin, M. Akif; Çaylan, Ömer R.; Büke, Göknur C.; Yıldırım, Ender; Eroğlu, İrem C.; Erson Bensan, Ayşe Elif; Çetin, Barbaros; Özer, Mehmet Bülent (2023-03-01)
© 2022 Elsevier B.V.In the present study, the capabilities of different chip materials for acoustic particle manipulation have been assessed with the same microfluidic device architecture, under the same actuator and flow ...
A novel cascade latent heat thermal energy storage system consisting of erythritol and paraffin wax for deep recovery of medium-temperature industrial waste heat
Yang, Sheng; Shao, Xue-Feng; Luo, Jia-Hao; Baghaei Oskouei, Seyedmohsen; Bayer, Özgür; Fan, Li-Wu (2023-02-15)
© 2022 Elsevier LtdRecovering medium-temperature (e.g., 150–180 °C) industrial waste heat through latent heat thermal energy storage (LHTES) can effectively attenuate the consumption of fossil fuels. However, the LHTES sys...
Interplay of capillary and Marangoni flows in micropillar evaporation
Yuncu, Goksel; Akkus, Yigit; Dursunkaya, Zafer (2023-2-01)
The evaporation from a micropillar evaporator is a problem governed by various interfacial phenomena such as the capillarity-induced liquid flow, thin-film evaporation intensifying near the contact lines, and thermocapilla...
Investigation of flow and heat transfer behavior of integrated pin fin-aluminum foam heat sink
ŞAHİN, Yiğit Serkan; TOPRAK, Beytullah İsmet; SOLMAZ, İsmail; Bayer, Özgür (2023-01-01)
With the rapid development in the electronics industry, the thermal management of high power density elec-tronic products (HPDEPs) has become very important and requires innovative heat removal technologies. In this study,...
Nonlinear Vibration Analysis of Uniform and Functionally Graded Beams with Spectral Chebyshev Technique and Harmonic Balance Method
Dedekoy, Demir; Ciğeroğlu, Ender; Bediz, Bekir (2023-01-01)
In this paper, nonlinear forced vibrations of uniform and functionally graded Euler-Bernoulli beams with large deformation are studied. Spectral and temporal boundary value problems of beam vibrations do not always have cl...
An Assessment on the Efficiency of Different Reduction Techniques Based on Substructuring for Bladed Disk Systems with Shrouds
Naghizadeh, Ehsan; Ciğeroğlu, Ender (2023-01-01)
Vibration analysis of shrouded bladed disk systems often becomes expensive due to friction nonlinearities and randomness stemming from mistuning phenomena. This implies a great demand for a highly efficient model order red...
Optimizing the orientation of solar photovoltaic systems considering the effects of irradiation and cell temperature models with dust accumulation
Al-Ghussain, Loiy; Taylan, Onur; Abujubbeh, Mohammad; Hassan, Muhammed A. (2023-01-01)
© 2022To cope with the growing installation capacities of solar photovoltaic (PV) systems in desert areas, it is necessary to revisit the energy production models and the optimal angles of PV panels given the significant i...
Determination of Flutter Speed of 2D Nonlinear Wing by Using Describing Function Method and State-Space Formulation
Kösterit, Güneş; Ciğeroğlu, Ender (2023-01-01)
Flutter is a phenomenon that occurs in wings or platelike structures as a result of aerodynamical forces when a certain flow speed, i.e., flutter speed, is reached. Flutter results in severe vibrations which eventually lea...
Determination of Nonlinear Joint Forces and Nonlinear Identification of Jointed Connections Using FRFs
Soleimani, Hossein; Ciğeroğlu, Ender; Özgüven, Hasan Nevzat (2023-01-01)
© 2023, The Author(s), under exclusive license to Springer Nature Switzerland AG.Identification and modeling of joint dynamics is an important issue in the dynamic modeling of structures with joints. Moreover, structures c...
Mechanical properties comparison of strut-based and triply periodic minimal surface lattice structures produced by electron beam melting
Sokollu, Baris; Gulcan, Orhan; Konukseven, Erhan İlhan (2022-12-01)
The aim of this study is to make a comparative assessment of the compression and tensile behavior of two strut -based (body-centered cubic, BCC, and face-centered cubic, FCC) and three triply periodic minimum surfaces (gyr...
A receptance based method for the calculation of nonlinear normal modes of large ordered structures with distributed localized nonlinearities
Samandari, Hamed; Ciğeroğlu, Ender (2022-12-01)
In recent years, the concept of nonlinear normal modes (NNMs) has gained interest for interpreting a broad range of nonlinear dynamic phenomena. Present study introduces a simple and efficient computational framework to co...
Computational elastodynamics of functionally graded thick-walled cylinders and annular coatings subjected to pressure shocks
Abeidi, Abdelrahim; Dağ, Serkan (2022-12-01)
A computational technique based on domain-boundary element method (D-BEM) is developed for elastodynamic analysis of functionally graded thick-walled cylinders and annular coatings subjected to pressure shock type of loadi...
Application of a Robust Multigrid Technique for the Parallel Solution of Initial-Boundary Value Problems
Martynenko, S.I.; Gökalp, İskender; Bakhtin, V.A.; Karaca, Mehmet; Toktaliev, P.D.; Semenev, P.A. (2022-12-01)
© 2022, Pleiades Publishing, Ltd.Abstract: This article is devoted to the construction of a parallel multigrid algorithm for the numerical solution of (non)linear initial-boundary value problems (implicit schemes) based on...
NekRS, a GPU-accelerated spectral element Navier–Stokes solver
Fischer, Paul; Kerkemeier, Stefan; Min, Misun; Lan, Yu-Hsiang; Phillips, Malachi; Rathnayake, Thilina; Merzari, Elia; Tomboulides, Ananias; Karakuş, Ali; Chalmers, Noel; Warburton, Tim (2022-12-01)
The Author(s)The development of NekRS, a GPU-oriented thermal-fluids simulation code based on the spectral element method (SEM) is described. For performance portability, the code is based on the open concurrent compute ab...
Enhanced power density during energy charging of a shell-and-tube thermal storage unit: Comparison between the inclusion of metal fins and foams
Li, Zi-Rui; Baghaei Oskouei, Seyedmohsen; Fu, Guo-Tao; Bayer, Özgür; Fan, Li-Wu (2022-11-25)
© 2022 Elsevier LtdIntroducing metal fins or foams can both enhance the performance of shell-and-tube phase change thermal energy storage (TES) devices, but the heat transfer mechanisms are different, i.e., heat transfer t...
Performance benchmarking of a discontinuous Galerkin-based compressible flow solver on GPU computing platforms using cnsBench
Karakuş, Ali; Unnikrishnan, Umesh; Rowe, Kris; Patel, Saumil S (2022-11-22)
Heterogeneous computing architectures have become an integral feature of modern supercomputers. In this work, we present the performance benchmarking results of a discontinuous Galerkin, spectral-element solver for the com...
Effect of ground on aerodynamics and longitudinal static stability of a non-slender delta wing
Koçak, Göktuğ; Yavuz, Mehmet Metin (2022-11-01)
© 2022 Elsevier Masson SASIn this paper, the effect of ground on aerodynamics and longitudinal static stability of a non-slender delta wing with sweep angle of 45 degree and thickness-to-chord ratio (t/c) of 5.9% was chara...
Ductile–brittle failure of amorphous glassy polymers: A phase-field approach
Dal, Hüsnü; Gültekin, Osman; BAŞDEMİR, SELÇUK; Açan, Alp Kağan (2022-11-01)
© 2022 Elsevier B.V.Optimal use and design of amorphous glassy polymers in goods have become a significant task in the key industrial sectors ranging from micro-electronics to aerospace and medical industry. Depending on t...
Future performance evaluation of PCM integrated buildings under changing climate
Tamer, Tolga; Baker, Derek Keıth; Gürsel Dino, İpek; Akgül, Çağla (2022-10-11)
The high energy consumption and associated carbon emissions due to the heating and cooling of buildings create a heavy environmental burden. One of the cost-efficient solutions to reduce the heating and cooling demands i...
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