Results 61 to 70 of about 3,964 (223)

Multifunctionality of Single‐Atom‐Thick 2D Magnetic Atoms in Nanolaminated M2AX: Toward Permanent Magnets and Topological Properties

open access: yesAdvanced Physics Research, Volume 4, Issue 6, June 2025.
High‐throughput calculations unveil the stability, magnetic behavior, and transport properties of M2AX phases with magnetic A elements, predicting 139 metastable compounds. Highlights include high‐Curie‐temperature magnets, exceptional magneto‐crystalline anisotropy, and tunable anomalous Hall and Nernst conductivities, offering new insights and ...
Chen Shen   +6 more
wiley   +1 more source

Artificial Intelligence Models Accuracy for Odontogenic Keratocyst Detection From Panoramic View Radiographs: A Systematic Review and Meta‐Analysis

open access: yesHealth Science Reports, Volume 8, Issue 4, April 2025.
ABSTRACT Background and Aims Odontogenic keratocyst (OKC) is a radiolucent jaw lesion often mistaken for similar conditions like ameloblastomas on panoramic radiographs. Accurate diagnosis is vital for effective management, but manual image interpretation can be inconsistent.
Reyhaneh Shoorgashti   +5 more
wiley   +1 more source

Introduction of variability in pantograph-catenary dynamic simulations [PDF]

open access: yes, 2013
Currently, pantograph-catenary dynamic simulations codes are mainly based on deterministic approaches. However, the contact force between catenary and pantograph depends on many key parameters that are not always quantified precisely.
BALMES, Etienne   +3 more
core   +3 more sources

Magnetostriction studies up to megagauss fields using fiber Bragg grating technique

open access: yes, 2019
We here report magnetostriction measurements under pulsed megagauss fields using a high-speed 100 MHz strain monitoring system devised using fiber Bragg grating (FBG) technique with optical filter method.
Hiroi, Zenji   +15 more
core   +1 more source

Experimental analysis for aerodynamic drag of the electric locomotives [PDF]

open access: yes, 2013
The purpose of this paper is to make a comparative analysis on the influence of the aerodynamic drag, in case of the electric rail vehicles for a series of situations encountered in exploitation.
Corneliu STOICA   +2 more
core   +1 more source

Impact of Temperature Variability on the Caputo Fractional Malaria Model

open access: yesEngineering Reports, Volume 7, Issue 3, March 2025.
This study aims to analyze the age related characteristics of malaria in human host by exploring Caputo fractional order models with temperature variability, that is looked into the combined effects of fractional order and temperature variability on malaria dynamics.
Dawit Kechine Menbiko   +1 more
wiley   +1 more source

Computational fluid dynamics-multibody system dynamics bidirectional coupling calculation and flow-induced vibration evaluation of a high-speed pantograph-catenary system

open access: yesEngineering Applications of Computational Fluid Mechanics
Increasing the speed of a pantograph deteriorates its aerodynamic performance and aggravates the problem of flow-induced vibration, which is not conducive to the stability of the pantograph – catenary system (PCS). Currently, commercial high-speed trains
Zhuojun Li   +6 more
doaj   +1 more source

An influence of track stiffness discontinuity on pantograph base vibrations and catenary–pantograph dynamic interaction

open access: yesStudia Geotechnica et Mechanica, 2020
In this article, the computational methodology of the catenary–train–track system vibration analysis is presented and used to estimate the influence of vehicle body vibrations on the pantograph–catenary dynamic interaction.
Bryja Danuta, Hyliński Adam
doaj   +1 more source

Pareto Optimization of the Integration of Renewables for the Supply of Battery‐Electric and Hydrogen‐Electric Multiple Units at a Single Site

open access: yesEnergy Science &Engineering, Volume 13, Issue 2, Page 582-597, February 2025.
Optimization framework for battery electric and hydrogen multiple units. ABSTRACT Battery‐ and hydrogen‐powered trains are emerging technologies that have the potential to play a key role in the decarbonization of railway lines for which full trackside electrification is not feasible.
Stefan Arens   +3 more
wiley   +1 more source

Fixed‐Time Synergetic Control of Multi‐Interior Permanent Magnet Synchronous Motor Traction System With Dynamic Adhesion

open access: yesIET Control Theory &Applications, Volume 19, Issue 1, January/December 2025.
To address the issues of unbalanced traction and unstable operation of the train caused by uneven wear, this paper presents a fixed‐time synergetic control‐based solution focusing on the electrical speed synchronization control of multi‐interior permanent magnet synchronous motor (IPMSM) traction system.
Deqing Huang   +3 more
wiley   +1 more source

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