Results 31 to 40 of about 17,120 (311)
Applied 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
IEEE 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
World Electric Vehicle Journal, 2023 The purpose of this paper is to compare and analyze the electromagnetic characteristics of the basic structure of the coil in the electromagnetic coupling mechanism for the wireless power supply of permanent magnet motors in electric vehicles.
Junfeng Zhao +3 more
doaj +1 more source
Applied Sciences, 2022 The power generation capability of an electromagnetic vibration energy harvester augmented with an additional coil was investigated and compared with that of a standard single coil electromagnetic energy harvester.
Luigi Costanzo +2 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.A wood‐based magnetic and conductive material called Magwood (MW), capable of blocking almost 99.99% of electromagnetic waves (in the X‐band frequency range), is synthesized using a simple, solvent‐free process. MW is lightweight, resists water, and is flame‐retardant, making it a promising alternative for shielding electronics. The rapid proliferation
Akash Madhav Gondaliya +3 more
wiley +1 more source
Optimisation of Energy Transfer in Reluctance Coil Guns: Application to Soccer Ball Launchers
Applied Sciences, 2020 Reluctance coil guns are electromagnetic launchers having a good ratio of energy transmitted to actuator volume, making them a good choice for propelling objects with a limited actuator space. In this paper, we focus on an application, which is launching
Valentin Gies +6 more
doaj +1 more source
Design Optimization and Comparison of Cylindrical Electromagnetic Vibration Energy Harvesters
Sensors, 2021 Investigating the coil–magnet structure plays a significant role in the design process of the electromagnetic energy harvester due to the effect on the harvester’s performance.
Tra Nguyen Phan +3 more
doaj +1 more source
Double Helical Plasmonic Antennas
Advanced Functional Materials, EarlyView.Plasmonic double helical antennas funnel circularly polarized light to the nanoscale, offering strong chiroptical interaction and directional light emission. Extending a single helix design tool, this study combines numerical modeling with experimental validation, revealing large, broadband dissymmetry factors in the visible range.
Aleksei Tsarapkin +7 more
wiley +1 more source
Advanced Functional Materials, EarlyView.This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva +9 more
wiley +1 more source
Numerical Analysis of Tube Expansion by Electromagnetic Forming Using Magnetic Field Shaper
IEEE Access, 2020 Uneven axial deformation is the current main issue of the tubes electromagnetic bulging technology which calls for innovative and cost-effective solutions.
Li Qiu +7 more
doaj +1 more source