Results 11 to 20 of about 8,035,233 (306)

Time Evolution of Partial Discharges in a Dielectric Subjected to the DC Periodic Voltage

open access: yesEnergies, 2022
Partial discharge (PD) detection can be considered one of the most useful tools for assessing the insulation conditions of the power apparatus in high-voltage systems.
Antonino Imburgia   +4 more
doaj   +1 more source

A magnetic loop antenna for partial discharge measurements on GIS

open access: yes, 2020
This paper presents a magnetic loop antenna for partial discharge (PD) measurements on gas insulated systems (GIS). The antenna is based on a single shielded loop inserted in the dielectric window of a GIS that measures the PD currents propagating in TEM
A. Mor, L. C. Heredia, F. A. Muñoz
semanticscholar   +1 more source

ADCP Discharge Measurements on the River Danube: Post-Processing and Correction of Data

open access: yesSlovak Journal of Civil Engineering, 2019
Accurate measurements and analyses of river discharges are one of the key tasks of hydrology. Nowadays, the traditional methods of discharge measurements are being supplemented or even replaced by novel approaches that utilize state-of-the-art ...
Výleta Roman, Valent Peter
doaj   +1 more source

Measuring gas discharge in contact electrification

open access: yesNature Communications, 2023
Abstract Contact electrification in a gas medium is usually followed by partial surface charge dissipation caused by gas breakdown triggered during separation. It is widely assumed that such discharge obeys the classical Paschen’s law, which describes the general dependence of breakdown voltage on the product of gas pressure and gap distance ...
Hongcheng Tao, James Gibert
openaire   +4 more sources

Validation of TERRA-ML with discharge measurements

open access: yesMeteorologische Zeitschrift, 2008
We evaluate the runoff-simulation performance of a water transport model (routing scheme) coupled to the Land Surface Parameterization module TERRA-ML of the operational COSMO (Consortium for Small-Scale Modelling) weather forecast model.
René Grasselt   +4 more
doaj   +1 more source

Discharge estimation combining flow routing and occasional measurements of velocity [PDF]

open access: yesHydrology and Earth System Sciences, 2011
A new procedure is proposed for estimating river discharge hydrographs during flood events, using only water level data at a single gauged site, as well as 1-D shallow water modelling and occasional maximum surface flow velocity measurements.
G. Corato, T. Moramarco, T. Tucciarelli
doaj   +1 more source

Deducing the stage-discharge relationship for contracted weirs by the outflow theory of Malcherek

open access: yesJournal of Agricultural Engineering, 2019
The aim of this paper was the deduction of a new stage-discharge relationship for a contracted weir, having a crest length less than the channel width, by using the Malcherek’s outflow theory.
Vito Ferro, Ismail Aydin
doaj   +1 more source

PROFILE MEASUREMENTS OF THE STATIONARY PLASMA THRUSTER DISCHARGE CHAMBER

open access: yesАвіаційно-космічна техніка та технологія, 2018
The effectiveness of stationary plasma thrusters was proved by many years of experience of their on board operation on various spacecraft especially on geostationary orbits.
Алена Николаевна Хаустова   +3 more
doaj   +1 more source

User-focused evaluation of National Ecological Observatory Network streamflow estimates

open access: yesScientific Data, 2023
Accurately estimating stream discharge is crucial for many ecological, biogeochemical, and hydrologic analyses. As of September 2022, The National Ecological Observatory Network (NEON) provided up to 5 years of continuous discharge estimates at 28 ...
Spencer Rhea   +4 more
doaj   +1 more source

Evaluation of low-cost methods for discharge measurements in rivers

open access: yesRevista Ambiente & Água, 2015
Increasing rates of pollution and over-exploitation have reduced the availability of water in many regions of the world. In this context, the qualitative and quantitative management of available water resources becomes paramount.
Luiz Henrique Maldonado   +2 more
doaj   +1 more source

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