Results 21 to 30 of about 16,305 (263)

Dynamic characteristics of electromagnetic contactor with HTS-2G coil in liquid nitrogen [PDF]

open access: yesE3S Web of Conferences
In this paper is presented experimental investigation of dynamic characteristics of electromagnetic contactor with Hightemperature superconductive (HTS) coil in liquid nitrogen.
Ivanov Georgi   +2 more
doaj   +1 more source

Coil Temperature Rise and Workpiece Forming Efficiency of Electromagnetic Forming Based on Half-Wave Current Method

open access: yesIEEE Access, 2020
Electromagnetic forming is a well-developed high-rate forming technology. An important issue of this technology is the temperature rise of the driving coil, which can adversely affect the coil service life.
Li Qiu   +8 more
doaj   +1 more source

Research and Experiment on Separation Method of Different Electromagnetic Field Components Measured by Tilting Coil

open access: yesCejing jishu, 2023
Tilt coil is one of the commonly used antenna structures of azimuthal electromagnetic wave logging while drilling tools, which is widely used in Schlumberger, Halliburton and such instruments developed in China National Offshore Oil Corporation and China
TIAN Yuanshi   +5 more
doaj   +1 more source

3D modeling of electromagnetic levitation coils

open access: yesCurrent Applied Physics, 2021
Electromagnetic levitation (EML) enables the handling of samples in a containerless manner, facilitating more precise measurements or manipulation of materials. Currently, EML coil design is based on two-dimensional (2D) mathematical models combined with empirical data and experience.
J.P. Witteveen   +3 more
openaire   +1 more source

The Characteristic Improvement of Electromagnetic Proportional Directional Control Valve

open access: yesJournal of Control Science and Engineering, 2018
The electromagnetic proportional directional control valve is widely used in hydraulic control system and its typical faults are not enough electromagnetic force and too high temperature rise to burn out the coil.
Hua Zhang
doaj   +1 more source

Flaring Forming of Small Tube Based on Electromagnetic Attraction

open access: yesIEEE Access, 2020
Electromagnetic forming (EMF) is a kind of high-energy-rate forming technology which uses pulsed electromagnetic forces to achieve rapid plastic deformation of workpieces.
Qi Xiong   +7 more
doaj   +1 more source

Reverse Force Suppression Method of Reluctance Coil Launcher Based on Consumption Resistor

open access: yesIEEE Access, 2021
When armature passes through the central plane of a driving coil in the process of reluctance coil launching, the magnetic force will reverse and slow down the armature speed.
Chunyan Liang   +4 more
doaj   +1 more source

A Real-Time Computation Model of the Electromagnetic Force and Torque for a Maglev Planar Motor with the Concentric Winding

open access: yesApplied Sciences, 2017
The traditional model of the electromagnetic force and torque does not take the coil corners into account, which is the major cause for the motor fluctuation.
Baoquan Kou   +4 more
doaj   +1 more source

Self‐Sintering Ionogel Binder for Flexible, Recyclable, and Healable Printed Giant Magnetoresistive Sensors

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Electronic waste has emerged as a major environmental challenge, driven by the massive consumption and a limited lifetime of modern electronic devices, stimulating the development of sustainable electronics. Here, an all‐biomaterial gelatin‐choline‐citric acid ([Ch][CA]) ionogel is developed as an active binder to realize self‐sintered ...
Lin Guo   +10 more
wiley   +1 more source

Electromagnetic Force Distribution and Wall Thickness Reduction of Three-Coil Electromagnetic Tube Bulging With Axial Compression

open access: yesIEEE Access, 2020
In the conventional electromagnetic tube expansion, tube wall thickness tends to decrease significantly while the workpiece is expanded. This paper is aimed at introducing a new technique using three-coil electromagnetic tube bulging with axial ...
Li Qiu   +9 more
doaj   +1 more source

Home - About - Disclaimer - Privacy