A new analytical technique for analysis and detection of air-gap eccentricity fault in surface-mounted permanent-magnet machines
Sign Up to like & getrecommendations! Published in 2018 at "International Transactions on Electrical Energy Systems"
DOI: 10.1002/etep.2764
Abstract: Int Trans Electr Energ Syst. 2019;29:e2764. https://doi.org/10.1002/etep.2764 Summary This paper presents a new analytical technique for modelling the impact of static eccentricity (SE), dynamic eccentricity (DE), and mixed eccentricity (ME) faults on electromotive force (EMF)… read more here.
Keywords: eccentricity fault; emf back; new analytical; eccentricity ... See more keywords
Load distribution analysis and eccentricity characteristics for marble screw-loading device of dry disc brakes
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-020-1205-1
Abstract: Stress distribution and stability under extreme conditions of screw-loading device are investigated in the present study. The finite element model of core component is established to obtain the loading process. Influence of screw position on… read more here.
Keywords: screw loading; disc; loading device; distribution ... See more keywords
Discrimination between demagnetization and eccentricity faults in PMSMs using real and imaginary components of stator current spectral analysis
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DOI: 10.1007/s43236-020-00169-6
Abstract: Permanent magnet demagnetization and rotor eccentricity are the main faults in permanents magnet synchronous motors (PMSMs). To detect these faults, motor current signature analysis (MCSA) has become the most common method in the field due… read more here.
Keywords: eccentricity faults; analysis; demagnetization eccentricity; discrimination demagnetization ... See more keywords
Fast and accurate estimation of fuel-optimal trajectories to Near-Earth Asteroids
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DOI: 10.1016/j.actaastro.2021.07.013
Abstract: Abstract This paper proposes an improved method for the preliminary evaluation of minimum-propellant trajectories to Near-Earth Asteroids (NEAs). The method applies to missions from Earth to asteroids with small eccentricity and inclination. A planar and… read more here.
Keywords: plane; method; near earth; eccentricity ... See more keywords
Influence of intensity & eccentricity of posttensioning force and concrete strength on shear behavior of epoxied joints in segmental box girder bridges
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DOI: 10.1016/j.conbuildmat.2018.11.220
Abstract: Abstract Precast concrete segmental bridges have the advantages of rapid construction speed, excellent quality control and low cost. The structural behavior of segmental bridges largely depends on the behavior of the joints between segments. In… read more here.
Keywords: epoxied joints; strength; box girder; shear behavior ... See more keywords
Tree rings as an early warning against catastrophic landslides: Assessing the potential of dendrochronology for determining slope stability
Sign Up to like & getrecommendations! Published in 2019 at "Dendrochronologia"
DOI: 10.1016/j.dendro.2018.12.002
Abstract: Abstract We investigated three slopes (in southern Poland, the Carpathian Mts, and the Sudeten Mts) subject to catastrophic, sudden landslides. To reconstruct past landslide activity, we analysed the eccentricity of tree rings in the stems… read more here.
Keywords: tree rings; landslides assessing; dendrochronology; slope stability ... See more keywords
Influence of spear needle eccentricity on jet quality in micro Pelton turbine for power generation
Sign Up to like & getrecommendations! Published in 2019 at "Energy"
DOI: 10.1016/j.energy.2019.03.077
Abstract: Abstract The quality of the jet injected from a nozzle is one of the key factors that affects the performance of Pelton turbines. In this study, for the first time, experiments and numerical simulation were… read more here.
Keywords: quality; pelton turbine; jet; eccentricity ... See more keywords
Effect of eccentricity on strengthening efficiency of bar mesh high ductile concrete (BMHDC) on slender masonry columns
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DOI: 10.1016/j.engstruct.2020.111732
Abstract: Abstract There is a lack of studies available in the literature focusing on the reinforcement of slender masonry columns commonly observed in the practice. This work presents the results of an experimental investigation on the… read more here.
Keywords: masonry columns; slender masonry; bmhdc; slender ... See more keywords
Carbonate ions, orbits and Mg/Ca at ODP 1123
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DOI: 10.1016/j.gca.2018.03.013
Abstract: Abstract The accuracy of the magnesium/calcium palaeotemperature proxy has been questioned, in particular because the ratio of magnesium to calcium in foraminiferal tests could be affected by local or global changes in carbonate ion concentrations… read more here.
Keywords: ions orbits; odp 1123; carbonate ions; orbital eccentricity ... See more keywords
Eccentricity-induced expansions of Brazilian coastal upwelling zones
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DOI: 10.1016/j.gloplacha.2019.05.002
Abstract: Abstract Expansions of coastal upwelling spots along the Brazilian coast were previously reported for Marine Isotope Stage (MIS) 5, but open questions remain regarding the climatic mechanisms and the periodicity of such changes. Based on… read more here.
Keywords: expansions brazilian; brazilian coastal; induced expansions; eccentricity induced ... See more keywords
A modified Marciniak–Kuczynski model for determining the forming limit of thin-walled tube extruded with initial eccentricity
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2018.12.029
Abstract: Abstract Thickness deviation in hoop direction is often observed in thin-walled extruded tubes, which is mainly due to the eccentric position of extrusion mandrel. This imperfection in thickness may result in different deformation pattern and… read more here.
Keywords: model; hydro bulging; modified model; eccentricity ... See more keywords