Browsing Mechanical Engineering by Title
Now showing items 290-309 of 465
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Microstructural examination of black seawater mixed sulfate-resistant cement concrete
(ASCE, 2024-01-01)The use of seawater as the mix water has been thought to be inevitable for the near future as a result of increasing water scarcity. Hundreds of papers related to seawater mixed cement-based materials were published in ... -
Modal characterization of additively manufactured TPMS structures: comparison between different modeling methods
(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 ... -
A model of chemical mechanical planarization to predict impact of pad conditioning on process performance
(Cambridge University Press, 2012)This study presents an effort to couple a wafer removal rate profile model based on the locally relevant Preston equation to the change in pad thickness profile which reflects to post polish profile of the wafers after ... -
Model-based optimization of CMP process parameters for uniform material removal selectivity in cu/barrier planarization
(IOP Publishing, 2022-02-01)Chemical mechanical planarization is a process of achieving planar surfaces in the semiconductor manufacturing industry. The planarization of a surface is achieved by material removal from the wafer surface. The material ... -
Modeling and control of flywheel mechanical hybrid powertrain for real world conditions
(Canadian Acoustical Association, 2019)This paper focuses on dynamical response characteristics of a flywheel mechanical hybrid powertrain (FMHP), comprising a continuously variable transmission (CVT) and a flywheel integrated into a conventional vehicle with ... -
A modeling study on the layout impact of with-in-die thickness range for STI CMP
(ECS, 2013)Chemical Mechanical Planarization process has a proven track record as an effective method for planarizing the wafer surface at multiple points of the semiconductor manufacturing flow. One of the most challenging aspects ... -
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 random walk-based methodology for calculation of sensitivity coefficients in inverse radiant boundary design problem
(Begell House Inc., 2023)This study presents a methodology for the solution of inverse boundary design problems involving transient heat conduction in solid objects imposed by radiant boundary condition. The inverse solution aims to find the ... -
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 ...
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