Browsing Mechanical Engineering by Document Type "Conference paper"
Now showing items 61-80 of 164
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Effects of aging on the microstructure and phase transformation behavior of cu-al-mn shape memory alloy
(Trans Tech Publications Ltd, 2021)In the present study, the effects of artificial aging heat treatment on the transformation temperatures and hardness of Cu-Al-Mn shape memory alloy have been investigated. The aging processes have been performed on the ... -
Engineering with and for light absorption and scattering: a quarter century of experimental research at RTL
(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
(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 ... -
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 ... -
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 ... -
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 ... -
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 investigation into frost accumulation over vertical finned and unfinned surfaces during impinging air flow
(ASME, 2020)Frost formation on evaporators negatively affects the cooling performance of refrigerators. It increases the thermal resistance between the refrigerant and air leading to a reduction in the system cooling capacity. In this ... -
Experimental study on heat transfer of multi-walled carbon nanotubes/water nanofluids in horizontal microtubes
(ASME, 2016)In this study, heat transfer characteristics of multi-walled carbon nanotube based nanofluids were investigated in horizontal microtubes with outer and inner diameters of ∼1067 and ∼889 μm, respectively. Carbon nanotubes ... -
Fabrication and mechanical characterization of polypropylene clay nanocomposites
(Trans Tech Publications Ltd, 2021)Investigating the influence of process parameters is vital to enhance the mechanical properties of nanoparticle reinforced polymer composites. Nanocomposites of polypropylene/nanoclay are prepared by the extrusion method. ... -
Fast and efficient terrain-aware motion planning for exploration rovers
(IEEE, 2021)This paper presents a fast, energy-efficient, and low computational cost traversal solution on sloped terrain. The use of grid-based search algorithms requires high computational power and takes a long time because almost ... -
Flow and heat transfer study of an impinging piezoelectric fan over a vertical surface
(ASME, 2016)Piezoelectric fans are low-form-factor cooling devices, which have gained recent attention for electronics cooling. These devices feature a vibrating blade, which sheds vortices from its tip during its motion. The performance ... -
Flow visualization and LES simulations inside a chevron type plate heat exchanger
(Begell House Inc., 2018)An up-scaled model of a single channel of CPHE was used under dynamically similar conditions for the experiments. In experiments, pressure drop measurements and flow visualizations were conducted with aluminum flitter and ... -
Fluid flow characteristics inside convergent, divergent and straight open-end pressure swirl atomizer
(Europe, Institute for Liquid Atomization and Spray Systems, ILASS, 2020)Effects of geometrical parameters on the performance of small-scale open-end pressure swirl atomizers (PSA) have been studied using computational fluid dynamics. The shape of the swirl chamber is the main geometrical feature ... -
Force reference extraction via human interaction for a robotic polishing task: Force-induced motion
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 ... -
From passive to active pitch regulation of wind turbines: Optimization method with numerical validation
(ASME, 2015)An optimization method that changes the control strategy of the Horizontal Axis Wind Turbine (HAWT) from passive- to active-pitch has been developed. The method aims to keep the rated power constant by adjusting the blade ... -
Gabor filter based localization of needles in ultrasound guided robotic interventions
(IEEE, 2014)This paper presents an entropy based parameter tuning method for needle segmentation, and a probability map based needle tip estimation method using Gabor-based line filter. The proposed automatic parameter tuning method ... -
Growth of NGVs and comparative study of cylinder material for CNG storage
(Springer, 2023)In the present paper, the growth of Natural Gas Vehicles (NGVs) and the various pressure vessels used for storing compressed natural gas (CNG) is discussed.Also, the comparison of Von-mises stress in pressure vessels (PVs) ... -
HandMECH—Mechanical hand prosthesis: Conceptual design of a two degrees-of-freedom compliant wrist
(Springer, 2022)A compliant wrist joint is important for positioning the hand in different positions to perform various daily tasks. It is also important that the wrist is able to achieve sufficient range of motion (RoM). The RoM is ...
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