Results 41 to 50 of about 4,022,654 (330)

Graphene-Based Systems for Enhanced Energy Storage

open access: yesE3S Web of Conferences, 2017
Extensive global research efforts have focused on the exploitation of graphene for enhanced energy storage. Novel graphene-based composite material electrodes have been developed, in many cases with reports of outstanding performance.
Amplianitis Aris   +8 more
doaj   +1 more source

Molecular Dynamic Simulation of Defective Graphene Nanoribbons for Tension and Vibration

open access: yesNanomaterials, 2022
As deformation and defects are inevitable during the manufacture and service of graphene resonators, comprehensive molecular dynamic (MD) simulations are performed to investigate the vibrational properties of the defective single-layer graphene sheets ...
Jia-Jia Mao   +3 more
doaj   +1 more source

Microsystem based Energy Harvesting (EH-MEMS): Powering pervasivity of the Internet of Things (IoT) – A review with focus on mechanical vibrations

open access: yesJournal of King Saud University - Science, 2017
The paradigm of the Internet of Things (IoT) appears to be the common denominator of all distributed sensing applications, providing connectivity, interoperability and communication of smart entities (e.g.
Jacopo Iannacci
semanticscholar   +1 more source

Thermoelastic Damping in Micro- and Nano-Mechanical Systems [PDF]

open access: yes, 1999
The importance of thermoelastic damping as a fundamental dissipation mechanism for small-scale mechanical resonators is evaluated in light of recent efforts to design high-Q micrometer- and nanometer-scale electro-mechanical systems (MEMS and NEMS).
A. Akhiezer   +24 more
core   +2 more sources

A Gimballed Control Moment Gyroscope Cluster Design for Spacecraft Attitude Control

open access: yesAerospace, 2021
This paper addresses the problem of singularity avoidance in a cluster of four Single-Gimbal Control Moment Gyroscopes (SGCMGs) in a pyramid configuration when used for the attitude control of a satellite by introducing a new gimballed control moment ...
Charalampos Papakonstantinou   +2 more
doaj   +1 more source

The Negative Poisson’s Ratio Ship Base Design and Vibration Isolation Performance Analysis

open access: yesApplied Sciences, 2021
This paper mainly studies the vibration isolation of negative Poisson’s ratio structure in the honeycomb base of ships. Based on the structure of the negative Poisson’s ratio structure, different laying methods and different cell structure are used to ...
Kun Pan   +3 more
doaj   +1 more source

Nonlinear Dynamics of Imperfect FGM Conical Panel

open access: yesShock and Vibration, 2018
Structures composed of functionally graded materials (FGM) can satisfy many rigorous requisitions in engineering application. In this paper, the nonlinear dynamics of a simply supported FGM conical panel with different forms of initial imperfections are ...
Yan Niu   +4 more
doaj   +1 more source

Monitoring Microtubule Mechanical Vibrations via Optomechanical Coupling

open access: yes, 2016
The possible disruption of a microtubule during mitosis can control the duplication of a cancer cell. Cancer detection and treatment may be possible based on the detection and control of microtubule mechanical oscillations in cells through external ...
Barzanjeh, Sh.   +4 more
core   +1 more source

Nonresonant high frequency excitation of mechanical vibrations in graphene based nanoresonator [PDF]

open access: yes, 2014
We theoretically analyse the dynamics of a suspended graphene membrane which is in tunnel contact with grounded metallic electrodes and subjected to ac-electrostatic potential induced by a gate electrode.
Eriksson, Axel M.   +2 more
core   +2 more sources

Parametric Numerical Study and Multi-Objective Optimization of Composite Curing through Infrared Radiation

open access: yesApplied Mechanics
Composite curing through infrared radiation (IR) has become a popular autoclave alternative due to lower energy costs and short curing cycles. As such, understanding and measuring the effect of all parameters involved in the process can aid in selecting ...
Petros Gkertzos   +3 more
doaj   +1 more source

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