搜索结果: 1-15 共查到“工学 a magnetic field”相关记录37条 . 查询时间(0.109 秒)
Superconductivity in a graphene system survives a strong magnetic field
graphene magnetic field MA TTG
2021/8/9
A material system known as magic-angle twisted trilayer graphene exhibits superconductivity. The observation that this superconductivity persists under a strong magnetic field could lead to advances i...
Quantum Estimation of Magnetic-field Gradient Using W-state
Quantum metrology Magnetic-field gradient W-state Cold atoms
2016/1/22
We study the precision limits of detecting a linear magnetic-field gradient by using W-states in the presence of different types of noises. We consider to use an atomic spin chain for probing the magn...
Three years continuous record of the Earth’s magnetic field at Concordia Station (DomeC, Antarctica)
Antarctica DomeC magnetic observatory continuos records
2015/8/28
The magnetic observatory deployed at DomeC, Antarctica, in the French-Italian base known as Concordia has now been permanently running for more than three years. This paper focuses on these long-term ...
Magnetic Field-Induced Compressive Property of Magnetorheological Elastomer under High Strain Rate
Magnetorheological elastomers dynamic compression properties high strain rate the split hopkinson pressure bar system
2015/3/24
The dynamic compressive property of magnetorheological elastomer (MRE) under high strain rate was investigated using a modified split Hopkinson pressure bar system. Both the compressive properties in ...
Squeeze behavior of magnetorheological fluids under constant volume and uniform magnetic field
Squeeze mode magnetorheological fluid constant volume magnetorheological fluids helmholtz coil
2015/3/26
In this work the experimental investigation of magnetorheological fluids in squeeze mode has been carried out under constant volume with a self-developed device. The magnetorheological fluids were for...
Smart polyurethane foam with magnetic field controlled modulus and anisotropic compression property
Polyurethane magnetorheological foam preparation in-situ polymerization carbonyl iron particle polyurethane foam
2015/3/27
A new kind of polyurethane (PU) magnetorheological (MR) foam was prepared via in situ polymerization and foaming for the first time. A chain-like structure of carbonyl iron particles in the liquid pol...
Compression behaviors of magnetorheological fluids under nonuniform magnetic field
Compression Squeeze Magnetorheological fluid Nonuniform magnetic field Continuum media theory
2015/3/26
This work is concerned with an experimental and theoretical study on compression properties of magnetorheological fluids under the nonuniform field. Experimental tests of unidirectional monotonic comp...
Full-field deformation of magnetorheological elastomer under uniform magnetic field
Digital holographic interferometry analysis of the magnetorheological elastomers morphological transformation
2015/3/27
A digital holographic interferometry was applied to analyze the morphology transformation of the magnetorheological elastomer, and both the contraction and stretch deformation were observed under appl...
Magnetic-Field-Induced Normal Force of Magnetorheological Elastomer under Compression Status
Magnetorheological elastomers monotonic loading magnetic field the particle distribution cyclic loading the stress
2015/3/27
The magnetic-field-induced normal force of magnetorheological elastomer (MRE) under compression status is studied in this paper. The influence of monotonic loading of the magnetic field, particle dist...
Physically crosslinked poly(vinyl alcohol) hydrogels with magnetic field controlled modulus
Physical crosslinking heterosexual ethylene glycol water gel carbonyl iron particle PVA hydrogel magnetorheological
2015/3/30
Physically cross-linked isotropic and anisotropic poly(vinyl alcohol) (PVA) hydrogels containing micron-sized carbonyl iron particles were prepared through a cyclic freezing–thawing process. The PVA h...
The Magnetic Field Effects on Radially Symmetric Core-Shell-Shell Structure
Naowire, Core-Shell-Shell Structure, Self-Consistent Calculation, Quantum Capacitance
2013/1/30
In this paper, we modeled a core/shell/shell structure with cylindrical Schrodinger-Poisson coupled equation when a magnetic field is (and is not) applied along its axis. We showed the electron densit...
Stray magnetic field distributed around a PMSM
Magnetic field measurement, permanent magnet synchronous motor stray electromagnetic field magnetic exposure rotor position
2011/3/22
In this work, the low frequency electromagnetic emission from permanent magnet synchronous motors is studied. The main objective is to provide a safety region for humans in the vicinity of these motor...
Magnetohydrodynamic flow in a channel with varying viscosity under transverse magnetic field
Variable viscosity electrically conducting fluid
2010/9/26
Flow of a viscous, incompressible, electrically conducting fluid with varying viscosity through a channel in the presence of a transverse magnetic field is studied in this paper. In the special case i...
Anisotropic polyurethane magnetorheological elastomer prepared through in situ polycondensation under a magnetic field
Polytetramethylene ether glycol polyurethane magnetorheological elastomers iron particles composite materials
2015/3/30
Highly filled polytetramethylene ether glycol (PTMEG)-based polyurethane (PU) magnetorheological elastomers (MREs) with anisotropic structure and good mechanical properties were prepared. The difficul...
All-fiber optical magnetic field sensor based on Faraday rotation
Fiber optics sensors Faraday effect
2015/6/10
An all-fiber optical magnetic field sensor with a sensitivity of 0.49 rad/T is demonstrated. It consists of a fiber Faraday rotator (56-wt.%-terbium–doped silica fiber) and a fiber polarizer (Corning ...