Exploració per tema "Low pressure"
Ara es mostren els items 1-9 de 9
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Analysing the influence of geometry and pressure on corona discharges
(2022-06-14)
Article
Accés obertIn this work, the authors propose an experiment aimed for undergraduate laboratories with the aim of introducing different novelties as a topic for practical sessions or student projects. The topics here investigated are ... -
Analyzing the effect of dynamic pressure drop on corona discharges for aircraft applications
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-22)
Article
Accés obertThe combination of the low-pressure environment found in aircraft systems and the gradual electrification of aircraft increases the risk of electrical discharges occurrence. This is an undesirable situation that compromises ... -
Corona discharge characteristics under variable frequency and pressure environments
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-10-08)
Article
Accés obertMore electric aircrafts (MEAs) are paving the path to all electric aircrafts (AEAs), which make a much more intensive use of electrical power than conventional aircrafts. Due to the strict weight requirements, both MEA and ... -
Experimental study of visual corona under aeronautic pressure conditions using low-cost imaging sensors
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-01-11)
Article
Accés obertVisual corona tests have been broadly applied for identifying the critical corona points of diverse high-voltage devices, although other approaches based on partial discharge or radio interference voltage measurements are ... -
Insulation failure quantification based on the energy of digital images using low-cost imaging sensors
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-12-16)
Article
Accés obertInsulation faults in high-voltage applications often generate partial discharges (PDs) accompanied by corona activity, optical radiation mainly in the ultraviolet (UV) and visible bands. Recent developments in low-cost, ... -
Low-pressure optical detection, location, and quantification of electrical discharges in aircraft Wwring systems
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-12-21)
Article
Accés obertStrict regulations issued by international administrative bodies limit the CO2 equivalent emissions for new aircraft, while increasing efficiency requirements. To reach this goal, next generations of aircraft will use more ... -
Measurement of corona discharges under variable geometry, frequency and pressure environment
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-02-26)
Article
Accés obertAeronautical industry is evolving towards more electric aircrafts (MEA), which will require much more electrical power compared to conventional models. To satisfy this increasing power demand and stringent weight requirements, ... -
Performance evaluation of solar-blind gas-filled sensors to detect electrical discharges for low-pressure aircraft applications
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-01-10)
Article
Accés obertUnpressurized aircraft circuits facilitate the initiation of electrical discharges in wiring systems, with consequent damage to related insulation materials and safety hazards, that can and have already caused severe ... -
Spectrum of corona discharges and electric arcs in air under aeronautical pressure conditions
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-09-18)
Article
Accés obertDue to the increase in electrical power demand, future more electric and all-electric aircraft designs will operate at higher voltage levels compared to current aircraft. Due to higher voltage levels and reduced operating ...