Πλοήγηση ανά Θέμα "Energy dissipation"
Αποτελέσματα 1-20 από 20
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A 16-nm FinFET 16-GHz differential LC-VCO
(2015)In this paper, a 16-GHz FinFET differential Voltage-Controlled Oscillator (VCO) is presented. Filtering is used at the common source node of the cross-coupled transistors as well as other techniques to effectively lower ... -
Adjusting the parameters of metal oxide gapless surge arresters' equivalent circuits using the harmony search method
(2017)The appropriate circuit modeling of metal oxide gapless surge arresters is critical for insulation coordination studies. Metal oxide arresters present a dynamic behavior for fast front surges; namely, their residual voltage ... -
An analytical energy model for the reset transition in unipolar resistive-switching RAMs
(2016)In this paper we develop and test an analytical model for the total energy dissipation during the reset transition of an unipolar ReRAM device. To do so, we have considered the ReRAM as a memristor, and we have used a ... -
Analytical modeling of fatigue crack propagation based on cyclic hardening and a characteristic damage length
(2020)An analytical fatigue crack growth model is developed, which combines effectively a cyclic energy dissipation approach and the strain energy density theory. The model uses cyclic material properties and relies on cyclic ... -
Cellular-solid shear walls under seismic excitations
(2010)Cellular solids with deterministic periodic topologies show great potential for applications as response modification elements within structural systems, due to their ultra-light and good thermal properties. Response ... -
Direct numerical simulation of particle-laden turbulent channel flows with two- and four-way coupling effects: Models of terms in the Reynolds stress budgets
(2017)In the first part of this study (Dritselis 2016 Fluid Dyn. Res. 48 015507), the Reynolds stress budgets were evaluated through point-particle direct numerical simulations (pp-DNSs) for the particle-laden turbulent flow in ... -
Dissipation and adsorption of isoproturon, tebuconazole, chlorpyrifos and their main transformation products under laboratory and field conditions
(2016)Assessment of dissipation constitutes an integral part of pesticides risk assessment since it provides an estimate of the level and the duration of exposure of the terrestrial ecosystem to pesticides. Within the frame of ... -
The dissipation and microbial ecotoxicity of tebuconazole and its transformation products in soil under standard laboratory and simulated winter conditions
(2018)Tebuconazole (TBZ) is a widely used triazole fungicide at EU level on cereals and vines. It is relatively persistent in soil where it is transformed to various transformation products (TPs) which might be environmentally ... -
A dynamic integer programming approach for free flight air traffic management (ATM) scenario with 4D-trajectories and energy efficiency aspects
(2020)The growth in demand for air transport has generated new challenges for capacity and safety. In response, manufacturers develop new types of aircraft while airlines open new routes and adapt their fleet. This excessive ... -
EBC: A topology control algorithm for achieving high QoS in sensor networks
(2009)A novel approach for achieving high Quality of Service (QoS) in sensor networks via topology control is introduced and experimentally assessed in this paper. Our approach falls in the broader discipline of graph structural ... -
Experimental and numerical study of the behaviour of high dissipation metallic devices for the strengthening of existing structures
(2011)The use of steel bracing systems for the strengthening of existing reinforced concrete (RC) frames may lead to increase of both strength and stiffness. However, in most of the cases the main target is the increase of the ... -
Friction factor in nanochannel flows
(2016)Non-equilibrium molecular dynamics simulations are employed in order to access the detailed atomic behavior of fluids moving in nanochannels and to quantify the associated energy dissipation. Nanochannels of various degrees ... -
Longitudinal sloshing effects in half full horizontal cylindrical vessels
(2003)A semi-analytical mathematical model is developed for sloshing effects in half-full horizontal cylindrical viscous liquid vessels, under arbitrary longitudinal external excitation. The velocity potential is expressed in a ... -
Minimum weighted clustering algorithm for wireless sensor networks
(2015)Extending network lifetime is a primary design objective for a wireless sensor network (WSN). Efficient clustering among sensor nodes seems a promising solution to evenly balance energy consumption and thus extend node and ... -
On the enhancement of particle deposition in turbulent channel airflow by a ribbed wall
(2017)The particle deposition at a vertical wall roughened by transverse square bars placed at a small spacing between them is investigated using large-eddy simulation of the turbulent flow in a ribbed channel with the gravity ... -
Prescriptive maintenance technique for photovoltaic systems
(2022)In order to ensure the viability of Photovoltaic (PV) systems' installation, several Operation and Maintenance (O&M) strategies are followed, such as preventive, corrective and predictive maintenance. Even if these strategies ... -
Real-time dynamic data-driven simulation of continuum systems
(2004)Recent proliferation of sensor networks in various application areas has promoted real-time behavioral monitoring of various physical systems. The opportunity to use sensor generated data dynamically for improving speed, ... -
Response of RC Frames Strengthened by RC Infill Walls: Experimental Study
(2019)The experimental results of a research program on the response of 1/3-scale reinforced concrete infilled frames are presented and evaluated. The main objective was to assess the seismic performance of RC frames infilled ... -
Study of hydraulic jump characteristics in a laboratory open channel
(2021)This study investigated the characteristics of hydraulic jump in open channels. Laboratory experiments were performed on a rectangular channel with different discharges, different sluice gate heights, and different weir ... -
Zinc uptake, photosynthetic efficiency and oxidative stress in the seagrass Cymodocea nodosa exposed to ZnO nanoparticles
(2019)We characterized zinc oxide nanoparticles (ZnO NPs) by dynamic light scattering (DLS) measurements, and transmission electron microscopy (TEM), while we evaluated photosystem II (PSII) responses, Zn uptake kinetics, and ...