نتایج جستجو برای: hysteresis loss

تعداد نتایج: 458340  

Journal: :Physical chemistry chemical physics : PCCP 2013
Vahid Mortazavi Roshan M D'Souza Michael Nosonovsky

We use the Cellular Potts Model (CPM) to study the contact angle (CA) hysteresis in multiphase (solid-liquid-vapour) systems. We simulate a droplet over the tilted patterned surface, and a bubble placed under the surface immersed in liquid. The difference between bubbles and droplets was discussed through their CA hysteresis. Dependency of CA hysteresis on the surface structure and other parame...

Journal: :Physical review letters 2006
C Gourdon V Jeudy A Cēbers

The phase transition between the intermediate and normal states in type-I superconducting films is investigated using magneto-optical imaging. Magnetic hysteresis with different transition fields for collapse and nucleation of superconducting domains is found. This is accompanied by topological hysteresis characterized by the collapse of circular domains and the appearance of lamellar domains. ...

Journal: :The Journal of experimental biology 1995
J Layland I S Young J D Altringham

The influence of length on work production was investigated for rat papillary muscles using the work loop technique. Active and passive length-force relationships were first determined under isometric conditions and the length for maximum force production (Lmax) was derived. Starting from different lengths within the physiological range, a series of work loops was generated using the stimulatio...

Journal: :Acta biomaterialia 2013
Chavaunne T Thorpe Christian Klemt Graham P Riley Helen L Birch Peter D Clegg Hazel R C Screen

The predominant function of tendons is to position the limb during locomotion. Specific tendons also act as energy stores. Energy-storing (ES) tendons are prone to injury, the incidence of which increases with age. This is likely related to their function; ES tendons are exposed to higher strains and require a greater ability to recoil than positional tendons. The specialized properties of ES t...

2016
J. Van Humbeeck L. Delaey

The hysteresis loop, described during the formation of stressinduced pseudoelastic martensite in a Cu-Zn-A1 betaphase single crystal, was studied as a function of strain-rate, deformation amplitude and temperature. The aPtm, the stress at which the transformation starts at a given constant temperature, is strain-rate independent but the hysteresis described by the stress-strain curve shows a ma...

2011
E. Karakulak

Memcapacitor is a two-port circuit element with a memory. When excited by AC current or voltage, it has a zero-crossing charge-voltage hysteresis curve. The memcapacitor hysteresis curve should be taught to engineering students or engineers, who want to work in this area. In this work, an easily-comprehensible explanation of hysteresis curve of flux-dependent memcapacitor is given using Taylor ...

2014
M. Kuczmann

Dynamic hysteresis modeling and its application in numerical field analysis are challenging tasks. This paper presents a measurement system to realize and to measure frequency-dependent behavior of ferromagnetic hysteresis. The well-known static Preisach model of hysteresis has been extended to simulate the dynamic behavior. The full paper will present the model in detail as well as its applica...

2004
L.LIBERTI F. RIGANTI

This paper tests two heuristic approaches by applying them to the magnetic hysteresis model parameter identification. Both Preisach and Jiles-Atherton hysteresis models have been used. The implemented investigated heuristics are genetic algorithm and simulated annealing. Both the heuristic algorithms efforts the knowledge of the B-H experimental points of the hysteresis loop to be modeled accor...

Journal: :AIP Advances 2023

Alternating magnetic fields can deliver energy deeper inside the body for hyperthermia cancer therapy by using nanoparticles (MNPs). In this study, we proposed a highly effective heat generation method MNPs application of an ultra-short pulse wave. We numerically evaluated heating power with variety parameters, such as width, field amplitude, and frequency. The hysteresis curve magnetization dy...

Journal: :Physica B: Condensed Matter 2004

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