Results 11 to 20 of about 16,811 (216)

Electromagnetic Force Distribution and Axial Deformation Uniformity Analysis of Dual-Coil Electromagnetic Tube Compression Method

IEEE Access, 2020
In the conventional electromagnetic tube expansion, axial distribution of the electromagnetic force is not uniform along the workpiece. This results in uneven axial deformation of the deformed tube and restricts the full industrial implementation of this
Li Qiu, Yudong Wang, Zhang Wang, Ahmed Abu-Siada, Yantao Li, Lan Jiang   +5 more
doaj   +1 more source

Performance Analysis of Acceleration and Inertial Force of Electromagnetic Suspension Inertial Stabilizer

Applied Sciences, 2022
In this paper, the structural characteristics of electromagnetic suspension (EMS) inertial stabilizers are analyzed firstly, and then a mechanical analysis of a single mass block and double mass block is carried out.
Sumei Gao, Longxiang Xu, Chaowu Jin
doaj   +1 more source

Parametric Simulation Analysis of the Electromagnetic Force Distribution and Formability of Tube Electromagnetic Bulging Based on Auxiliary Coil

IEEE Access, 2020
Tube electromagnetic bulging has been given much attention due to its superior advantages in the field of light alloy processing. However, the conventional tube electromagnetic bulging process exhibits some critical issues that restrict its wide ...
Li Qiu, Chenglin Wang, Ahmed Abu-Siada, Wang Bin, Zhang Wang, Weikang Ge, Chang Liu, Peng Chang   +7 more
doaj   +1 more source

Opening characteristics of high current fast switch for DC circuit breaker

电力工程技术, 2023
The stability of opening process of fast mechanical switch is the key factor affecting the breaking performance of DC circuit breaker. Based on the finite element method, the multi-field coupling calculation of electromagnetic, thermal and momentum is ...
LAN Jian, FENG Ying, WANG Chengyu
doaj   +1 more source

Study of a Topology for Plate Electromagnetic Forming Based on Inner Reverse and Outer Positive Double Coil Loading

IEEE Access, 2020
While electromagnetic forming is widely used for aluminum alloy materials, the non-uniformity of plate radial deformation is still a key issue that restricts the wide development of this technology.
Li Qiu, Chenglin Wang, Ahmed Abu-Siada, Wang Bin, Zhang Wang, Weikang Ge, Chang Liu, Peng Chang   +7 more
doaj   +1 more source

Optimal design of electromagnetic metamaterial electronic device sensor with specific performance based on multivariate big data fusion

Journal of Experimental Nanoscience, 2023
As the basic unit structure of electromagnetic metamaterial, the structure size of open resonant ring directly determines the constitutive parameters of SRR (dielectric constant ε and permeability μ). In order to improve the energy exchange efficiency of
Sheng Bi
doaj   +1 more source

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

E3S 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, Mateev Valentin, Marinova Iliana   +2 more
doaj   +1 more source

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

IEEE 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, Chenglin Wang, A. Abu-Siada, Qi Xiong, Wang Zhang, Bin Wang, Ningxuan Yi, Yantao Li, Quanliang Cao   +8 more
doaj   +1 more source

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

Cejing 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, ZHU Jun, DIE Yong, YANG Shansen, YANG Ting, LIU Xiao   +5 more
doaj   +1 more source

The Characteristic Improvement of Electromagnetic Proportional Directional Control Valve

Journal 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