Browsing Mechanical Engineering by Title
Now showing items 274-293 of 430
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Modeling, transient simulations and parametric studies of parabolic trough collectors with thermal energy storage
(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 ... -
A Monte Carlo simulation for phonon transport within silicon structures at nanoscales with heat generation
(Elsevier, 2011-04)Nanoscale phonon transport within silicon structures subjected to internal heat generation was explored. A Monte Carlo simulation was used. The simulation procedures differed from the current existing methods in which ... -
Multi-strategy Gaussian Harris hawks optimization for fatigue life of tapered roller bearings
(Springer, 2022-12)Bearing is one of the most fundamental components of rotary machinery, and its fatigue life is a crucial factor in designing. The design optimization of tapered roller bearing (TRB) is a complex design problem because ... -
Nano-boron as an antibacterial agent for functionalized textiles
(Cambridge University Press, 2015-01)The antibacterial properties of boron-containing compounds are well known although there are limited studies available on the pure boron nanoparticles. In this study boron nano-particles were characterized in terms of their ... -
Natural convection immersion cooling with enhanced optical performance of light-emitting diode systems
(2015-10-15)Electronics driven at high currents may experience local hot spots, which may cause thermal degradation or even catastrophic failures. This common problem occurs at light-emitting diode (LED) chips and it is not easily ... -
Near to far-field thermal emission by nanoparticles on a substrate: Evaluation of effective medium theory
(The Optical Society, 2014)We study the near to far-field thermal emission of a thin SiC film with/without nanospheres placed upon it. We show that Effective Medium Theorem produces questionable results when approximating emission and absorption ... -
Near- to far-field coherent thermal emission by surfaces coated by nanoparticles and the evaluation of effective medium theory
(The Optical Society, 2015)Near-field thermal radiation may play significant role in the enhancement of energy harvesting and radiative cooling by new types of designer materials, which in turn can be crucial in the development of future devices. ... -
Near-field thermal emission between corrugated surfaces separated by nano-gaps
(Elsevier, 2015)Near-field thermal radiation with its many potential applications in different fields requires a thorough understanding for the development of new devices. In this paper, we report that near-field thermal emission between ... -
Near-field thermal radiation transfer by mesoporous metamaterials
(The Optical Society, 2015-09-21)In this work, we investigate the impact of nano-scale pores within structured metamaterials on spectral near-field radiative transfer. We use Finite Difference Time Domain Method (FDTD) and consider uniform and corrugated ... -
Needle localization using gabor filtering in 2D ultrasound images
(IEEE, 2014)In the percutaneous needle procedures using ultrasound (US) imaging, the needle should be detected precisely to avoid damage to the tissue and to get the samples from the appropriate site. Excessive artifacts and low ... -
A new deep learning restricted boltzmann machine for energy consumption forecasting
(MDPI, 2022-08)A key issue in the desired operation and development of power networks is the knowledge of load growth and electricity demand in the coming years. Mid-term load forecasting (MTLF) has an important rule in planning and ... -
A new methodology to determine the design sensitivity of critical automotive body joints for basic design cycle
(Sage, 2019-09)As a result of more stringent requirements for improved fuel economy and emissions, there has been an increasing research activity to make vehicles lighter weight under some predetermined structural performance targets ... -
A new model for predicting the required pressure difference for pressure swirl atomizers
(Europe, Institute for Liquid Atomization and Spray Systems, 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 ... -
A novel design framework for generating functionally graded multi-morphology lattices via hybrid optimization and blending methods
(Elsevier, 2023-05-25)Owing to its excellent mechanical properties, triply periodic minimum surfaces (TPMS) lattice structures have recently gained more interest in engineering applications. The superior properties of these structures make it ... -
A novel driving pattern to actualize haptic effects in mobile devices
(IEEE, 2021-05)Haptic interactions in consumer devices have become more critical with immersive streaming content by including high-resolution video and sound as well as tactile information. Mobile devices such as tablets and smartphones ... -
Numerical analysis of the radiant heating effectiveness of a continuous glass annealing furnace
(Elsevier, 2022-03-05)Radiative heat transfer is the dominant mode of heat transfer in glass annealing furnaces. Especially in electrically heated furnaces due to the nonparticipating nature of the furnace atmosphere the radiative heat transfer ... -
Numerical and experimental analysis of a heat-pipe-embedded printed circuit board for solid state lighting applications
(Taylor & Francis, 2019-01-02)Thermal management is one of the main issues for electronics cooling especially for tightly packaged PCBs that experience local heat generation. Thus, theoretical and experimental investigations have been conducted to ... -
Numerical and experimental analysis of impinging synthetic jets for cooling a point-like heat source
(ASME, 2018-05-01)High power light emitting diodes (LEDs) being used for low and high beam in automotive lighting need active cooling of their heat sinks by radial or axial fans. But the moving elements of the fan cause abrasion, noise, and ... -
Numerical and experimental analysis of the flow and transition of free synthetic jets
(IOP Publishing, 2019-04)In this paper, flow characteristics and the transition of synthetic jets are investigated numerically and experimentally. The investigated synthetic jets have a dimensionsless stroke length L-0/d of 146 and 167, an U-0 of ... -
Numerical assessment of the factors controlling the acoustic response of wind turbine blades
(Canadian Acoustical Association, 2019)The blades of wind turbine are the most critical parts of the wind turbine system, which contribute to noise generated by wind turbine due to excitation from air streams across them. In this numerical study, the effect of ...
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