Browsing Mechanical Engineering by Title
Now showing items 27-46 of 430
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Benchmark study of 2D and 3D VOF simulations of a simplex nozzle using a hybrid RANS-LES approach
(Elsevier, 2022-07-01)In this study, a simplex nozzle is tested with water for the benchmarking of different flow simulation models. A large scale Plexi-glass transparent nozzle is used to reduce the influence of production tolerances on the ... -
Benchmarking torque control strategies for a torsion-based series elastic actuator
(IEEE, 2022-06)The diversity in torque-controlled actuators has enabled researchers to address numerous physical human-robot interaction applications with enhanced safety, dependability, and interaction capability [1]. Yet, only a few ... -
Biomaterials applications of chemical mechanical polishing
(IEEE, 2012)Chemical Mechanical Polishing (CMP) is used in semiconductor industry to enable planarization of the interlayer dielectrics and metals. In this study, CMP is used as a polishing technique to modify the surface roughness ... -
A biomimicry design for nanoscale radiative cooling applications inspired by Morpho didius butterfly
(Nature Publishing Group, 2018-11-15)In nature, novel colors and patterns have evolved in various species for survival, recognizability or mating purposes. Investigations of the morphology of various butterfly wings have shown that in addition to the pigmentation, ... -
Biomimicry designs for passive optical solutions for nanoscale radiative cooling applications
(SPIE, 2018)Inspired by the mechanism of the wings of Morpho butterfly, here we propose biomimicry designs which have the potential to be used for radiative cooling purposes. We numerically analyzed the spontaneous emission at near-field ... -
Boiling heat transfer enhancement of magnetically actuated nanofluids
(AIP, 2013)Nanofluids offer a potential breakthrough as next-generation heat transfer fluids since they offer exciting new possibilities to enhance heat transfer performance compared to pure liquids. A major drawback for using ... -
A Cahn-Hilliard modeling of metal oxide thin films for advanced CMP applications
(ECS, 2014)Chemical mechanical planarization (CMP) process enables topographic selectivity through formation of a protective oxide thin film on the recessed locations of the deposited metal layer, while a continuous chemical oxidation ... -
Calibration of 2D ultrasound in 3D space for robotic biopsies
(IEEE, 2015)Freehand Ultrasound technique is widely used in intraoperative biopsy procedures for detecting the volumes of interest. Freehand ultrasound probe is faster and flexible with 6 degrees of freedom. Thats why the imaging ... -
The cauchy problem for a one-dimensional nonlinear elastic peridynamic model
(Elsevier, 2012-04-15)This paper studies the Cauchy problem for a one-dimensional nonlinear peridynamic model describing the dynamic response of an infinitely long elastic bar. The issues of local well-posedness and smoothness of the solutions ... -
Centroidal momentum observer: Towards whole-body robust control of legged robots subject to uncertainties
(IEEE, 2022)This paper aims to provide robust dynamic motion control and eliminate parameter uncertainty in single-legged robots with a centroidal momentum-based control algorithm. In order to ensure the continuity of the movement ... -
Challenges and solutions for application and wider adoption of wearable robots
(Cambridge University Press, 2021)The science and technology of wearable robots are steadily advancing, and the use of such robots in our everyday life appears to be within reach. Nevertheless, widespread adoption of wearable robots should not be taken for ... -
Challenges for radiative transfer 1: towards the effective solution of conjugate heat transfer problems
(Elsevier, 2018-12)This paper lists crucial challenges in radiative transfer with the objective of gathering information on improving and choosing methods for solving conjugate heat transfer problems. Developments in computational and ... -
Characteristics of low reynolds number steady air jet impingement heat transfer over vertical flat surfaces
(IEEE, 2012)In this paper, heat transfer characteristics of single-slot steady-impinging air jets on a 25.4 mm × 25.4 mm vertical surface were experimentally investigated. The experiments were conducted with four different nozzles ... -
Characterization and antibacterial properties of nanoboron powders and nanoboron powder coated textiles
(Elsevier, 2017-02)The antibacterial properties of boron-containing compounds are well known although there are limited studies available on the pure boron nanoparticles. In this paper, nanoboron particles are characterized in terms of their ... -
Characterization of chemically modified thin films for optimization of metal CMP applications?
(Cambridge University Press, 2013)Metal CMP applications necessitate the formation of a protective oxide film in the presence of surface active agents, oxidizers, pH regulators and other chemicals to achieve global planarization. Formation and mechanical ... -
Characterization of nano-scale protective oxide films: application on metal chemical mechanical planarization
(The Electrochemical Society, 2015)This study focuses on the characterization of nano-scale metal oxide films for chemical mechanical planarization (CMP) applications. The protective nature of the self-grown metal oxide layers in the CMP slurry environment ... -
Characterization of turbulence generated by an active grid with individually controllable paddles
(Springer, 2018)An active grid with individually controllable paddles was constructed to generate strong turbulence (Reλ>200). Measurements of turbulence quantities using the hot-wire technique were conducted in a wind tunnel along the ... -
Chemical mechanical planarization studies on gallium nitride for improved performance
(IEEE, 2015)In this study, a systematic experimental approach has been followed to determine the conditions to promote material removal rate while controlling surface defectivity for GaN CMP. Silica based slurries were used to optimize ... -
Chemical mechanical polishing implementation on dental implants
(IEEE, 2015)In this study, chemical mechanical polishing (CMP) technique is introduced as a new alternative to generate controlled nano/micro scale roughness on the titanium implant surfaces. It is known that micro scale patterns ... -
Co-ex: A torque-controllable lower body exoskeleton for dependable human-robot co-existence
(IEEE, 2019-06)In this paper, we present our research study concerning the design and development of an exoskeleton that aims to provide 3D walking support with minimum number of actuators. Following a prior simulation study, the joint ...
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