Results 41 to 50 of about 8,389,242 (242)

New methods to reduce leakage errors in planar near-field measurements [PDF]

open access: yes, 2011
This paper describes two methods to cancel the effect of two kinds of leakage signals which may be presented when an antenna is measured in a planar near-field range.
Cano Facila, Francisco Jose   +2 more
core  

Electromechanical Characteristics Analysis of Magnetic Shield on Superconducting Magnetic Levitation Train

open access: yesMicromachines
The guest room and aisle of electric high-speed maglev train must be shielded from leakage magnetic flux produced by superconducting strong magnetic field.
Mingyuan Hu   +3 more
doaj   +1 more source

Materials‐Driven Additive Manufacturing for Electrical Machines: Qualification‐Oriented Design Beyond Geometric Freedom

open access: yesAdvanced Engineering Materials, EarlyView.
This perspective reframes additive manufacturing for electrical machines as a qualification‐limited materials and architecture design problem. It links process–structure–property–performance relationships to magnetic, conducting, dielectric, and thermal property windows, highlighting where AM can enable segmented magnetic circuits, permanent magnet ...
Dénes Fodor, Loránd Szabó
wiley   +1 more source

Carbon leakage: an overview. CEPS Special Report No. 79, 6 December 2013 [PDF]

open access: yes, 2013
Carbon leakage is central to the discussion on climate policy, given the confluence of issues that are currently being debated, including the 2030 Energy and Climate Framework and the review of the EU carbon leakage list by 2014.
Roth, Susanna   +3 more
core  

Advances in Sustainable and Wearable Textile Based Soft Robotics

open access: yesAdvanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas   +6 more
wiley   +1 more source

Acoustic wave propagation in the solar sub-photosphere with localised magnetic field concentration: effect of magnetic tension [PDF]

open access: yes, 2009
Aims: We analyse numerically the propagation and dispersion of acoustic waves in the solar-like sub-photosphere with localised non-uniform magnetic field concentrations, mimicking sunspots with various representative magnetic field configurations ...
Shelyag, S.   +14 more
core   +1 more source

Influence of magnetic shield thickness on stator end leakage reactance of synchronous condenser under different operating conditions

open access: yes电力工程技术
The stator end magnetic shield of the synchronous condenser (SC) can reduce the losses of the end core and structural components, but it also changes the permeability of the end magnetic circuit and the stator end leakage reactance, further affecting the
Meihong SONG, Guorui XU
doaj   +1 more source

Suppression of Leakage Magnetic Fields in Wireless Power Transfer Using a Sandwich Structure

open access: yesIEEE Access
This study proposes a wireless power transfer (WPT) system using a sandwich structure comprising two transmitter coils and two receiver coils with distinct magnetic field configuration modes.
Misato Akiyama   +6 more
doaj   +1 more source

Distinction method of pipeline inner and outer defects based on the dynamic magnetic multipole field

open access: yesYou-qi chuyun, 2021
In order to identify the inner and outer defect signals in pipeline magnetic flux leakage (MFL) internal inspection under dynamic conditions, a mathematical model of dynamic leakage magnetic field based on the magnetic multipole field was established for
Jing HU   +4 more
doaj   +1 more source

Biodegradable and Biocompatible Functional Polymers for Biomedical Applications

open access: yesAdvanced Functional Materials, EarlyView.
Biodegradable and biocompatible functional polymers integrate electrical, mechanical, and stimuli‐responsive functionalities while enabling programmed degradation under physiological conditions. This review introduces recent advances in conductive, shape‐memory, self‐healing, photocurable, and adhesive polymer systems, emphasizing material design ...
Won Bae Han   +5 more
wiley   +1 more source

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