Browsing Mechanical Engineering by Author "1"
Now showing items 41-60 of 179
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Development of a computational modeling and experimental validation approach for KSF LED packages in a 65” ultra thin LED TV system
Elibol, M.; Özaydın, M. Ç.; Arık, Mehmet (IEEE, 2018-07-24)The customer expectations in global TV market have changed over the last decade significantly towards a thinner with a higher brightness and a wider color gamut (WCG) TV products. These requirements led to a drastic increase ... -
Development of an antagonistically actuated smart joint
Vahidyeganeh, Ali; Şimsek, Görkem Muttalip; Jabeen, Saher; Bebek, Özkan; Yapıcı, Güney Güven (Trans Tech Publications, 2017)Shape memory alloys with their phase transformation properties; have been broadly implemented in smart structures. In this study, a functional design is presented where two wires actuate antagonistically to achieve motion ... -
Discrete dipole approximation of gold nanospheres on substrates: considerations and comparison with other discretization methods
Loke, Vincent L. Y.; Donev, E. U.; Huda, G. M.; Hastings, J. T.; Mengüç, Mustafa Pınar; Wriedt, T. (AAPP Physical, Mathematical, and Natural Sciences, 2011)We embark on this preliminary study of the suitability of the discrete dipole approximation with surface interaction (DDA-SI) method to model electric field scattering from noble metal nano-structures on dielectric substrates. ... -
Discrete-time integral sliding mode control of a smart joint for minimally invasive surgeries
Jabeen, Saher; Yeganeh, Ali Vahid; Şimsek, Görkem Muttalip; Yapıcı, Güney Güven; Abidi, K.; Bebek, Özkan (IEEE, 2016)In this work, a shape memory alloy(SMA) actuator based joint (smart joint) is controlled using a discrete-time integral sliding mode (DISM) control to guide the motion of an active catheter. Controller is designed on the ... -
Editorial
Stoop, J.; Mishchenko, M. I.; Mengüç, Mustafa Pınar; Rothman, L. S. (Elsevier, 2011-09) -
Effect of commercial purity levels on the mechanical properties of ultrafine-grained titanium
Purcek, G.; Yapıcı, Güney Güven; Karaman, I.; Maier, H. J. (Elsevier, 2011-03-15)Two grades of commercial purity (CP) titanium (grades 2 and 4) were processed using equal-channel angular extrusion (ECAE) at 300 ◦C and 450 ◦C, respectively. The processing temperatures were the minimum temperatures at ... -
The effect of interlaminar graphene nano-sheets reinforced e-glass fiber/ epoxy on low velocity impact response of a composite plate
Al-Maharma, Ahmad Yousef Mohammad; Şendur, Polat (IOP Publishing, 2018-05)In this study, we compare the inter-laminar effect of graphene nano-sheets (GNSs) and CNTs on the single and multiple dynamic impact response of E-glass fiber reinforced epoxy composite (GFEP). In the comparisons, raw GFEP ... -
The effect of nanoparticle type and nanoparticle mass fraction on heat transfer enhancement in pool boiling
Karimzadehkhouei, M.; Shojaeian, M.; Şendur, K.; Mengüç, Mustafa Pınar; Koşar, A. (Elsevier, 2017-06)Determining the heat transfer performance with nanofluids is of cardinal importance in the utilization of nanofluids in thermal systems. This study presents an experimental investigation on nucleate pool boiling heat ... -
Effect of optical design on the thermal management for the smart tv led backlight systems
Karslı, K.; Arık, Mehmet (IEEE, 2014)Due to recent advances in electronics, lighting and communication technologies, SMART Televisions (TV) have become more affordable, and are rapidly eplacing old-fashioned LCD (liquid crystal display) TV technologies. These ... -
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 ... -
Effect of slurry aging on stability and performance of chemical mechanical planarization process
Başım, Gül Bahar (Elsevier, 2011-03)Chemical mechanical planarization (CMP) is known to be one of the most challenging processes in microelectronics manufacturing due to the number of variables involved in the design of the process. In particular, the slurries ... -
Effect of structural adhesives in noise, vibration and harshness (NVH) characteristics of vehicle body design
Şendur, Polat; Tunçer, Gözde (International Institute of Acoustics and Vibration, IIAV, 2018)Application of structural adhesives has received an increased interest in automotive industry due to their attractive characteristics as an alternative to other lightweight strategies. There are various modeling methods ... -
Effect of the probe location on the absorption by an array of gold nano-particles on a dielectric surface
Moghaddam, S. T.; Avşar, D.; Ertürk, H.; Mengüç, Mustafa Pınar (Elsevier, 2017)Effect of silicon atomic force microscope probe position and particle spacing on the local absorption of an array of gold nanoparticles placed over a dielectric borosilicate glass surface are evaluated. An improved, ... -
The eighth international symposium on radiative transfer
Lemonnier, D.; Webb, B. W.; Mengüç, Mustafa Pınar (Elsevier, 2017-08)This Special Issue of The Journal of Quantitative Spectroscopy and Radiative Transfer is based on the papers selected from RAD-16, the Eighth International Symposium on Radiative Transfer, which was held June 2016, in ... -
Engineering with and for light absorption and scattering: a quarter century of experimental research at RTL
Mengüç, Mustafa Pınar (Accademia Peloritana dei Pericolanti, 2011)Characterization of particles requires detailed understanding of light interaction with homogeneous/inhomogeneous and regular/irregular shaped particles, or fractallike structures, within optically thin or thick media. ... -
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 ... -
Enhancing local absorption within a gold nano-sphere on a dielectric surface under an AFM probe
Moghaddama, S. T.; Ertürk, H.; Mengüç, Mustafa Pınar (Elsevier, 2016-07)This study considers enhancing localized absorption by a gold nanoparticle (NP) placed over a substrate where an atomic force microscope (AFM) tip is in close proximity of the particle. The gold NP and AFM tip are interacting ... -
Entropy generation analysis of laminar flows of water-based nanofluids in horizontal minitubes under constant heat flux conditions
Karimzadehkhouei, M.; Shojaeian, M.; Sadaghiani, A. K.; Şendur, K.; Mengüç, Mustafa Pınar; Koşar, A. (MDPI AG, 2018-04)During the last decade, second law analysis via entropy generation has become important in terms of entropy generation minimization (EGM), thermal engineering system design, irreversibility, and energy saving. In this ... -
Environmental force estimation for a robotic hand : compliant contact detection
Kaya, Osman; Yıldırım, Mehmet Can; Kuzuluk, Nisan; Çiçek, Emre; Bebek, Özkan; Öztop, Erhan; Uğurlu, Regaip Barkan (IEEE, 2015)This paper presents a model based compensation method to enable environmental force estimation for a robotic hand with no tactile or force sensors. To this end, we utilize multi-joint robot dynamics and disturbance observer ... -
Estimating quantitative features of nanoparticles using multiple derivatives of scattering profiles
Charnigo, R.; Francoeur, M.; Kenkel, P.; Mengüç, Mustafa Pınar; Hall, B.; Srinivasan, C. (Elsevier, 2011-05)Characterization of nanoparticles on surfaces is a challenging in verse problem whose solution has many practical applications. This article proposes a method, suitable for in situ characterization systems, for estimating ...
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