Most permanent magnet (PM) loss studies consider only eddy current and neglect hysteresis. In this article, the hysteresis behavior of two NdFeB PM grades with different magnetic properties is assessed when applied in a PMSM. Data from vibrating sample magnetometer measurements modeling are used as base. addition to main phase, samples contained phases reduced coercivity. Such may contribute lo...

We propose an exact expression to describe the hysteresis loops of ensemble Stoner–Wohlfarth particles undergoing alternating quasi-static magnetic field. A statistical approach, which treats quantities characterizing each particle as random variables, is adopted get orientation distribution local polarizations with respect applied field direction and constitutive equation whole assembly. The l...

Analysis, design, fabrication, and experimental assessment of a symmetric three-phase free-piston Stirling engine system is discussed in this paper. The system is designed to operate with moderate-temperature heat input that is consistent with solar-thermal collectors. Diaphragm pistons and nylon flexures are considered for this prototype to eliminate surface friction and to provide appropriate...

A numerical procedure has been applied for investigating the temperature distribution in a smooth tread bias tire of a light truck, operated under different speeds, pneumatic pressures, and loading conditions. Prior to simulation by the finite element analysis, two separate sets of testing, namely dynamic mechanical testing and material testing, have been conducted in relation to the evaluation...

The changes of magnetic properties upon heat treatment a metastable supersaturated solid solution processed by severe plastic deformation are investigated in-situ AC-hysteresis measurements. Data analyzed in the framework dynamic loss theory, with correlative investigations microstructural properties. evolution hysteresis annealing points out that single-phase remains stable up to 400{\deg}C, t...

Abstract We report the fabrication process and performance characterization of a fully integrated ferroelectric gate stack in WSe 2 /SnSe Tunnel FETs (TFETs). The energy behavior during charging discharging, together with loss switching cycle efficiency factor are experimentally extracted over broad range temperatures, from cryogenic temperature (77 K) up to 100 °C. obtained results confirm tha...

Quadrupeds vary their gaits in accordance with their locomotion speed. Such gait transitions exhibit hysteresis. However, the underlying mechanism for this hysteresis remains largely unclear. It has been suggested that gaits correspond to attractors in their dynamics and that gait transitions are non-equilibrium phase transitions that are accompanied by a loss in stability. In the present study...