• A new model for predicting the required pressure difference for pressure swirl atomizers 

  Nural, Ozan Ekin; Ertunç, Özgür; Hacıbekir, T.; Savcı, İ. H. (ILASS, 2020)

  Prior to this study an investigation is made to analyze the accuracies of the semi-empirical correlations of the previous studies by comparing them with a large number of experimental data which is extracted from the works ...

• Influence of heat treatment parameters on the functional behavior and corrosion performance of a shape memory wire actuator 

  Şimsek, Görkem Muttalip; Yapıcı, Güney Güven (Trans Tech Publications Ltd, 2020-04)

  In the present study, the effect of heat treatment parameters on the functional response, corrosion behavior and microstructural evolution of NiTi shape memory alloys were investigated. Various heat treatment regimes were ...

• ZMP-based online jumping pattern generation for a one-legged robot 

  Uğurlu, Regaip Barkan; Kawamura, A. (IEEE, 2010-05-01)

  This paper is aimed at presenting a method to generate online jumping patterns, which can be applied to one legged jumping robots and optionally to humanoid robots. Our proposed method is based on ensuring the overall ...

• Effect of external stress on the post-aging mechanical properties of rolled magnesium alloys 

  Mısırlı, Mustafa; Ghobadlou, Alı Hosseınzadeh; Yapıcı, Güney Güven (TANGER Ltd., 2020)

  In the current study the effects of conventional aging and stress aging on the microstructure and mechanical behavior of warm rolled AZ31 magnesium alloy were investigated. Tensile experiments revealed that the ultimate ...

• Rapid heating and cooling chamber for a photonics junction measurement system 

  Tarçın, Hüseyin Gökberk; Saygın, Alper; Muslu, Ahmet Mete; Budakli, M.; Arık, Mehmet (IEEE, 2020)

  Since many industrial applications require heat treatment processes or validation tests under certain ambient temperatures, thermal design is a key issue to be considered in order to ensure fast heating and cooling ...

• Enhanced thermal performance of high flux led systems with two-phase immersion cooling 

  Cengiz, Ceren; Muslu, Ahmet Mete; Arık, Mehmet; Doğruöz, B. (IEEE, 2020)

  Considering significant worldwide use of electricity for general lighting, the implementation of energy efficient technologies is highlighted in many platforms with the use of light emitting diodes (LEDs). Because of its ...

• Design and development of a powered upper limb exoskeleton with high payload capacity for industrial operations 

  Coruk, Sinan; Yıldırım, Mehmet Can; Kansızoğlu, Ahmet Talha; Dalgıç, Oğuzhan; Uğurlu, Regaip Barkan (IEEE, 2020-09)

  This study presents the hardware development and low level controller structure of an upper-body exoskeleton that is equipped with high torque-to-weight ratio actuators. It is intended to be used in industrial applications. ...

• Modal characterization of additively manufactured TPMS structures: comparison between different modeling methods 

  Şimşek, Uğur; Akbulut, Aykan; Gayir, C. E.; Başaran, Cansu; Şendur, Polat (Springer Nature, 2020-10-14)

  The use of lattice structures has received increasing interest in various engineering applications owing to their high strength to weight ratio. Advances in additive manufacturing technologies enabled the manufacturing of ...

• Formation of nano-sized compounds during friction stir welding of Cu–Zn alloys: effect of tool composition 

  Heidarzadeh, A.; Radı, Amın; Yapıcı, Güney Güven (Elsevier, 2020-12)

  For the first time, the origin of tool composition effect on microstructure and mechanical properties of the friction stir welded joints has been disclosed. For this aim, nanoindentation, orientation image microscopy, and ...

• Spreading behavior of droplets impacting over substrates with varying surface topographies 

  Cetiner, A.; Evren, B.; Budakli, M.; Arık, Mehmet; Ozbek, A. (Elsevier, 2020-12-05)

  Droplet interaction with solid surface plays an important role in a number of practical applications such as thermal management systems, steel production, painting, prevention of impurit deposition, and formation of ...

• Gabor filter-based localization of straight and curved needles in 2D ultrasound images 

  Kaya, M.; Senel, E.; Bebek, Özkan (TÜBİTAK, 2020)

  2D ultrasound (US) is one of the most commonly used medical imaging devices for needle localization in biopsies. However, the produced images are low-resolution and contain an excessive number of artifacts, which makes the ...

• Investigation of corrosion behavior of carbon steel for petroleum pipeline applications under turbulent flow conditions 

  Ahmed, Mohammed Salih; Talib, Nayyef Ahmed; Al-Gebory, Layth Wadhah Ismael (Institute of Information Science, 2020)

  This study investigates the corrosion of steel samples immersed in water with a dynamic corrosion setup at different pH values for three different velocities and three different exposure time. The characteristics of material ...

• Modeling, transient simulations and parametric studies of parabolic trough collectors with thermal energy storage 

  Akba, Tufan; Baker, D.; Yazicioglu, A. G. (Elsevier, 2020-03-15)

  For investigating the system response of parabolic trough collector heat generating system, a plant with parabolic trough collector field and two-tank molten salt thermal energy storage model with component-level control ...

• Fatigue characteristics of continuous welded rails and the effect of residual stress on fatigue-ratchetting interaction 

  Mansouri, Deniz; Şendur, Polat; Yapıcı, Güney Güven (Taylor & Francis, 2020-03-16)

  The importance of ratchetting-fatigue interaction is garnering interest due to complex failure mechanism of rail welds under cyclic loading. The objective of this paper is to investigate the fatigue characteristics of ...

• Effect of polymer coating on vapor condensation heat transfer 

  Budaklı, M.; Salem, T. K.; Arık, Mehmet; Donmez, B.; Menceloglu, Y. (ASME, 2020-04-01)

  Condensation heat transfer coefficients (HTCs) are rather low compared to thin film evaporation. Therefore, it can be a limiting factor for designing heat transfer equipment. In this work, heat transfer characteristics of ...

• Active compliance control reduces upper body effort in exoskeleton-supported walking 

  Uğurlu, Regaip Barkan; Oshima, H.; Sariyildiz, E.; Narildyo, T.; Babic, J. (IEEE, 2020-04)

  This article presents a locomotion controller for lower limb exoskeletons so as to enable the combined robot and user system to exhibit compliant walking characteristics when interacting with the environment. This is of ...

• Investigation of the effect of particle stability on the transport properties and thermal behavior of ethylene glycol-water/SiO2 binary nanofluids 

  Al-Gebory, Layth Wadhah Ismael (IOP Publishing, 2020-04-09)

  Nanofluids (Nfs) are considered as an effective working media in different thermal processes. Over the years, much attention has been paid to the problem of nanoparticle stability in base fluids in an unconfined area of ...

• Force reference extraction via human interaction for a robotic polishing task: Force-induced motion 

  Hamdan, Sara; Öztop, Erhan; Uğurlu, Regaip Barkan

  In this paper, a method to control a manipulator using force-induced trajectory is proposed. The trajectory is learned from an operator doing the polishing task using a tool attached to the robot's end-effector. The learning ...

• Segregated modeling of continuous heat treatment furnaces 

  Yıldız, Ersin; Başol, Altuğ Melik; Mengüç, Mustafa Pınar (Elsevier, 2020-07)

  Heat treatment processes have a major impact on the mechanical and structural properties of the end products. Accurate control of the material temperatures during the heating and cooling regimes is very crucial for the ...

• Evaluation of NaOH pre-treatment on the corrosion behavior and surface characteristics of hydroxyapatite coated NiTi alloy 

  Şimşek, Görkem Muttalip; Ipekoglu, M.; Yapıcı, Güney Güven (Springer Nature, 2020-08-02)

  Successful short-term implementation of nickel-titanium (NiTi) alloys as implants has been a motivation for the development of long-term applications. However, rendering these as safe implant materials is challenging. The ...

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