Results 61 to 70 of about 82,191 (303)

Does Long‐Term Lower Extremity Strength Training in Adults With Knee Osteoarthritis and Varus Alignment Reduce Knee Joint Loading During Gait?

Arthritis Care &Research, EarlyView.
Objective We examined whether 18 months of strength training in individuals with knee varus alignment and medial tibiofemoral osteoarthritis (OA) reduced knee joint loads during walking compared to an attention control group. Methods This study was a secondary analysis of a randomized clinical trial that compared the effects of strength training to a ...
Stephen P. Messier, Matthew N. Vigliotti, Paige E. Rice, Brian Pietrosimone, Shannon L. Mihalko, Edward H. Ip, Richard F. Loeser, David J. Hunter, Ali Guermazi, Ryan Hill, Santiago Saldana, Kim L. Bennell, Paul DeVita   +12 more
wiley   +1 more source

Multi-field analysis of energy loss and temperature distribution in magnetic couplings

AIP Advances
The operation of magnetic couplings produces eddy current losses that lead to heat buildup. Excessive temperatures can demagnetize the couplings, ultimately causing transmission failure.
Shuangcheng Fu, Dong Yang, Zenghui Wu, Minghui Xu, Liang Tao, Faqi Zhou   +5 more
doaj   +1 more source

FEM-Based Quantification of Eddy-Current Losses for MV Cables in Trefoil Formation With Non-Magnetic Screens

IEEE Access
Circulating- and eddy-current losses occur in non-magnetic screens and armors of three medium-voltage (MV) single-core cables installed in trefoil formation, where they are bonded and earthed at both ends.
Marko Sucurovic, Dardan Klimenta, Nikolay Hinov, Dragan Tasic, Mladen Banjanin, Darius Andriukaitis   +5 more
doaj   +1 more source

A comparative study of Quasi-FEA technique on iron losses prediction for permanent magnet synchronous machines [PDF]

, 2018
The paper presents an advanced quasi-FEA technique on the iron losses prediction using Bertotti’s iron loss separation models, in which a curve fitting is taken into account for coefficients calculation of each model.
Asef, Pedram, Bargalló Perpiñá, Ramón, Barzegaran, M.R., Dong, Jianning, Lapthorn, Andrew, Mohammed, Osama A.   +5 more
core   +1 more source

Experimental Evaluation of 100Cr6 Steel Microindented Surfaces Under Lubricated Nonconformal Point Contacts

Advanced Engineering Materials, EarlyView.
The tribological behavior of 100Cr6 steel spheres textured via Vickers microindentation is evaluated under lubricated sliding by varying both dimple size and density. Fine and dense textures significantly reduce friction across all lubrication regimes, while large dimples increase it.
Farideh Davoodi, Pasquale Guglielmi, Gianfranco Palumbo, Giuseppe Carbone   +3 more
wiley   +1 more source

Analytical Calculation of Rotor Magnet Eddy-Current Losses for High Speed IPMSM

, 2010
International audienceFor high-speed machines applications, eddy-current losses in the interior permanent magnet of synchronous machine (IPMSM) form a portion of the total losses which can be significant.
Bettayeb, Adel, Jannot, Xavier, Vannier, Jean-Claude   +2 more
core   +2 more sources

Six-Phase Fractional-Slot-per-Pole-per-Phase Permanent-Magnet Machines With Low Space Harmonics for Electric Vehicle Application [PDF]

, 2014
This paper discusses the development of new winding configuration for six-phase permanent-magnet (PM) machines with 18 slots and 8 poles, which eliminates and/or reduces undesirable space harmonics in the stator magnetomotive force.
Chen, X., Patel, V.I., Wang, J., Wang, W.   +3 more
core   +1 more source

Innovating Aircraft Repair Processes: The Role of Digitalization in Sustainability

Advanced Engineering Materials, EarlyView.
This research explores how digitalization—by storing detailed non‐destructive testing data in structured DICONDE databases and creating a standard data model of the component—innovates aviation maintenance and repair processes. Coupled with a developed state‐based simulation model, it enables data‐driven, sustainable repair strategies that reduce waste,
Johanna Aigner, Geo Jacob, Florian Raddatz, Gerko Wende   +3 more
wiley   +1 more source

Electrical Conductivities of Conductors, Semiconductors, and Their Mixtures at Elevated Temperatures

Advanced Engineering Materials, EarlyView.
This article presents a comprehensive review of temperature‐dependent electrical conductivity data for multiple material classes at elevated temperatures, highlighting a persistent conductivity gap between metals and semiconductors in the range of 102$\left(10\right)^{2}$– 107$\left(10\right)^{7}$ S/m. Metal–ceramic irregular metamaterials are proposed
Valentina Torres Nieto, Marcia A. Cooper
wiley   +1 more source

Magnetic Performance of Eddy Current Suppressing Structures in Additive Manufacturing

Actuators
Additively manufactured soft-magnetic components are inherently bulky leading to significant eddy current losses when applied to electrical machines.
Carsten Klein, Christopher May, Matthias Nienhaus   +2 more
doaj   +1 more source