Browsing Mechanical Engineering by Title
Now showing items 159-178 of 465
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Enhancing the performance of Piezoelectric Energy Harvester under electrostatic actuation using a robust metaheuristic algorithm
(Elsevier, 2023-02)This study proposes a novel shape optimization methodology based on evolutionary algorithms to maximize the harvesting energy from piezoelectric energy harvester stimulated by the β-emitted radioisotope. The parametric ... -
Entropy generation analysis of laminar flows of water-based nanofluids in horizontal minitubes under constant heat flux conditions
(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
(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 ... -
Error bounds of pair distribution function analysis in characterization of thermal disorder in nanocrystals
(Int Union Crystallography, 2022-08)N/A -
Estimating quantitative features of nanoparticles using multiple derivatives of scattering profiles
(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 ... -
An Eulerian multiphase frost model based on heat transfer measurements
(Elsevier, 2023-12-01)In this paper, a laminar numerical model is developed to predict frost formation over a horizontal cold flat surface. An Eulerian-Eulerian multiphase approach is followed to model humid air and ice phases separately. Frost ... -
Eurotherm conference no. 105: computational thermal radiation in participating media V
(Elsevier, 2016-03)The Eurotherm Seminar No.: 105 on Computational Thermal Radiation in Participating Media was held in Albi, France on 1–3 April 2015. It was the fifth in a series after Mons, Belgium (Eurotherm Seminar No.: 73, April 2003), ... -
Evaluating the accuracy of rietveld analysis for diffraction data from nanocrystalline powders
(International Union of Crystallography, 2022-08)N/A -
Evaluating the mechanical behavior of ARB processed aluminum composites using shear punch testing
(Trans Tech Publications Ltd, 2020)Multi-layered metal composites have received considerable attention due to their improved mechanical and physical properties. In this study, Al6061/Al2024 composite was processed by accumulative roll bonding (ARB) as a ... -
Evaluation of chemical mechanical polishing-based surface modification on 3D dental implants compared to alternative methods
(MDPI AG, 2018-11-15)Chemical mechanical polishing (CMP) has been introduced in previous studies as a synergistic technique to modify the surface chemistry and topography of titanium-based implants to control their biocompatibility. In this ... -
An evaluation of energy efficiency measures in a Turkish campus building for thermal comfort and economic risk
(International Building Performance Simulation Association, 2015)As new and retrofitted Turkish buildings adopt stateof-the-art energy efficiency measures, hidden risks associated with compromised thermal comfort and disappointing returns on investment could go unnoticed unless a building ... -
Evaluation of infection resistance of biological implants through CMP based micro-patterning
(Cambridge University Press, 2012-01)Biomaterials are widely used for dental implants, orthopedic devices, cardiac pacemakers and catheters. One of the main concerns on using bio-implants is the risk of infection on the materials used. In this study, our aim ... -
Evaluation of NaOH pre-treatment on the corrosion behavior and surface characteristics of hydroxyapatite coated NiTi alloy
(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 ... -
Existence and stability of traveling waves for a class of nonlocal nonlinear equations
(Elsevier, 2015-05-01)In this article we are concerned with the existence and orbital stability of traveling wave solutions of a general class of nonlocal wave equations: utt−Luxx=B(±|u|p−1u)xx, p>1. The main characteristic of this class of ... -
An experimental and analytical study on the influence of superhydrophobic micro-textured surfaces on liquid wetting phenomena
(Elsevier, 2018-10-20)Controlling dust, particle, gas or liquid attachment or motion over the surfaces is attracting many researchers to reduce losses or reach mission-specific goals. Therefore, researchers have been developing novel surfaces ... -
An experimental and computational investigation of a thin piezofan cooler
(IEEE, 2017)Recent trends in electronic cooling systems are targeted towards a reduction in size, therefore small form factor/miniature cooling devices are of interest to various applications. Among these devices are piezoelectric ... -
An experimental and computational study on efficiency of white LED packages with a thermocaloric approach
(IEEE, 2017)Thermal management of light-emitting diode (LED) chips is crucial for light extraction and lifetime. It is well known that the light output of an LED decreases with the elevated temperatures. For higher light extraction, ... -
Experimental and numerical investigation of ground heat exchangers in the building foundation
(Elsevier, 2019-05-15)The current study proposes a novel method with the experimental and numerical studies for the ground source heat pumps, which are known as environment-friendly and efficient heating & cooling systems to overcome their ... -
Experimental and numerical investigation of inlet temperature effect on convective heat transfer of γ-Al2O3/Water nanofluid flows in microtubes
(Taylor & Francis, 2019-06-15)Nanofluids are the combination of a base fluid with nanoparticles with sizes of 1–100 nm. In order to increase the heat transfer performance, nanoparticles with higher thermal conductivity compared to that of base fluid ... -
Experimental and numerical modal characterization for additively manufactured triply periodic minimal surface lattice structures: Comparison between free-size and homogenization-based optimization methods
(Wiley, 2023-06)Homogenization-based topology optimization (HMTO) is one of the most extensively used grading methods to generate functionally graded lattice structures (FGLs). However, it requires a precharacterization of the lattices, ...
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