Results 91 to 100 of about 20,769,142 (287)

Performance of different earthing configurations under high impulse conditions

open access: yes, 2019
The effectiveness of earthing systems is a major concern in today‘s power system applications. Earthing system is very important for an electrical installation system as stated in BS 7671, MS IEC 60364, IEEE Std 81-2012 and IEEE Std 802000; as it ...
Mohamed Yunus, Mohamed Shahriman
core   +1 more source

Numerical Simulation of the Behavior of Impulse Gas Seals

open access: yesTribology Online
This paper presents a numerical simulation of an impulse gas seal. Impulse gas seals are mechanical seals equipped with feeding grooves on the stator and chambers on the rotor.
Noël Brunetière   +2 more
doaj   +1 more source

Investigation on the Resonant Oscillations in an 11 kV Distribution Transformer under Standard and Chopped Lightning Impulse Overvoltages with Different Shield Placement Configurations

open access: yesEnergies, 2019
This paper presents an investigation on the resonant oscillations of an 11 kV layer-type winding transformer under standard and chopped lightning impulse overvoltage conditions based on calculated parameters. The resistances, inductances and capacitances
Avinash Srikanta Murthy   +6 more
doaj   +1 more source

Associations of Lifestyle‐Related Factors and Psoriatic Arthritis Disease Activity: The Dutch South West Psoriatic Arthritis Study

open access: yesArthritis Care &Research, EarlyView.
Objective This study aims to investigate lifestyle‐related factors in patients with psoriatic arthritis (PsA) and their association with disease activity measurements. Methods This multicenter cohort included 938 patients who were newly diagnosed with PsA between 2013 and 2023.
Batoul Hojeij   +11 more
wiley   +1 more source

Model-Free Impulse Responses [PDF]

open access: yes
This paper introduces methods for computing impulse response functions that do not require specification and estimation of the unknown dynamic multivariate system itself.
Oscar Jorda
core   +2 more sources

Acute Effects of Low vs. High Inertia During Flywheel Deadlifts with Equal Force Impulse on Vertical Jump Performance

open access: yesSensors
Background: Flywheel resistance training has gained popularity due to its ability to induce eccentric overload and improve strength and power. This study examined the acute effects of low- (0.025 kg·m2) versus high-inertia (0.10 kg·m2) flywheel deadlifts,
Athanasios Tsoukos   +4 more
doaj   +1 more source

Comparison of two simple high-frequency earthing electrodes [PDF]

open access: yes, 2004
Lightning strikes on high-voltage transmission lines may create hazardous touch potentials on adjacent substation equipment and damage to control equipment.
Pilling, N., Stoll, R.L., Chen, G.
core   +1 more source

Health Care Use Among Patients Presenting to Emergency Department for Gout Flares in Ontario, Canada: A Population‐Based Health Systems Analysis

open access: yesArthritis Care &Research, EarlyView.
Objective We characterized emergency department (ED) gout visits and identified patient characteristics and health services patterns contributing to ED presentations. Methods We conducted a population‐based study of ED gout visits in Ontario, Canada, between 2014 and 2023.
Timothy S. H. Kwok   +7 more
wiley   +1 more source

Characterization of Electromagnetic Properties of In Situ Soils for the Design of Landmine Detection Sensors: Application in Donbass, Ukraine

open access: yesRemote Sensing, 2019
To design holographic and impulse ground penetrating radar (GPR) sensors suitable for humanitarian de-mining in the Donbass (Ukraine) conflict zone, we measured critical electromagnetic parameters of typical local soils using simple methods that could be
Timothy Bechtel   +14 more
doaj   +1 more source

High-Power Impulse Magnetron Sputter Deposition of Ag on Self-Assembled Au Nanoparticle Arrays at Low-Temperature Dewetting Conditions

open access: yesACS Applied Materials & Interfaces
Plasmons have facilitated diverse analytical applications due to the boosting signal detectability by hot spots. In practical applications, it is crucial to fabricate straightforward, large-scale, and reproducible plasmonic substrates. Dewetting treatment, via applying direct thermal annealing of metal films, has been used as a straightforward method ...
Tianfu Guan   +18 more
openaire   +4 more sources

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