Results 71 to 80 of about 59,954 (356)
Advanced Engineering Materials, EarlyView.Laser surface texturing significantly improves the corrosion resistance and mechanical strength of 3D‐printed iron polylactic acid (Ir‐PLA) for marine applications. Optimal laser parameters reduce corrosion by 80% and enhance tensile strength by 25% and ductility by 15%.
Mohammad Rezayat +6 more
wiley +1 more source
Advances in Mechanical Engineering, 2019 This study presents two improved designs of eccentric-shaped permanent magnets and teeth-shaped stators in radial-flux dual three-phase permanent magnet electric machines to reduce cogging torque and torque ripple.
Hsing-Cheng Yu +3 more
doaj +1 more source
Large direct drive generators: the induction machine as an alternative to permanent magnet machines
The Journal of Engineering, 2019 Design of direct drive power take off in renewable energy generators tends to focus on force density, naturally leading to the use of relatively expensive permanent magnet machines.
Nick J. Baker, Liam A. Naugher
doaj +1 more source
Can Ti‐Based MXenes Serve as Solid Lubricants for Brake Applications? A Tribological Study
Advanced Engineering Materials, EarlyView.This study explores the first implementation of Ti‐based MXenes materials in brake pad friction composite material. The resulting composite material exhibits a 48% reduction in the wear rate; alongside significant improvements are observed for thermal and mechanical properties.
Eslam Mahmoud +7 more
wiley +1 more source
Analytical Model to Calculate Radial Forces in Permanent-Magnet Synchronous Machines
Applied Sciences, 2021 There are three principal sources of noise and vibration in electrical machines: electromagnetic sources, mechanical sources, and aerodynamic sources. Nowadays, one of the major advantages of permanent-magnet synchronous machines is their torque density.
Iratxo Gómez +3 more
doaj +1 more source
A quantitative comparison between BLDC, PMSM, brushed DC and stepping motor technologies [PDF]
, 2016 Brushless DC machines (BLDC), Permanent Magnet Synchronous Machines (PMSM), Stepping Motors and Brushed DC machines (BDC) usage is ubiquitous in the power range below 1,5kW. There is a lot of common knowledge on these technologies.
De Viaene, Jasper +4 more
core +2 more sources
Rotor Eddy-Current loss in permanent-magnet brushless AC machines [PDF]
, 2010 This paper analyzes rotor eddy-current loss in permanent-magnet brushless ac machines. It is shown that analytical or finite-element techniques published in literature for predicting rotor eddy-current loss using space harmonic based approaches may not ...
Arshad, W.M. +4 more
core +1 more source
Review of Variable-flux Permanent Magnet Machines [PDF]
Journal of international Conference on Electrical Machines and Systems, 2011 Variable-flux permanent-magnet machines (VFPM) are of great interest and many different machine topologies have been documented. This paper categorizes VFPM machine topologies with regard to the method of flux variation and further, in the case of hybrid excited machines with field coils, with regard to the location of the excitation sources.
Richard Owen +4 more
openaire +1 more source
Advanced Functional Materials, EarlyView.Biofabrication aims at providing innovative technologies and tools for the fabrication of tissue‐like constructs for tissue engineering and regenerative medicine applications. By integrating multiple biofabrication technologies, such as 3D (bio) printing with fiber fabrication methods, it would be more realistic to reconstruct native tissue's ...
Waseem Kitana +2 more
wiley +1 more source
Comparison of Two Cogging Torque Reducing Methods of 6-Poles Single Phase SMPM [PDF]
Journal of Intelligent Procedures in Electrical Technology, 2013 Surface permanent magnet structure of pm machines is widely used in these types of machines. In the slotted machines, low armature reaction and high overload capability features can be achieved by selecting surface permanent magnets.
Amir Hossein Tavakol Zadeh +2 more
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