نتایج جستجو برای: magnetic levitation

تعداد نتایج: 339513  

Journal: :Chemical communications 2014
Xiaochuan Yang Shin Yee Wong David K Bwambok Manza B J Atkinson Xi Zhang George M Whitesides Allan S Myerson

Crystallization of a solution with high enantiomeric excess can generate a mixture of crystals of the desired enantiomer and the racemic compound. Using a mixture of S-/RS-ibuprofen crystals as a model, we demonstrated that magnetic levitation (MagLev) is a useful technique for analysis, separation and enantioenrichment of chiral/racemic products.

Journal: :Advanced materials 2015
Jonathan W Hennek Alex Nemiroski Anand Bala Subramaniam David K Bwambok Dian Yang Daniel V Harburg Simon Tricard Audrey K Ellerbee George M Whitesides

Magnetic levitation (MagLev) enables rapid and non-destructive quality control of plastic parts. The feasibility of MagLev as a method to: i) rapidly assess injection-molded plastic parts for defects during process optimization, ii) monitor the degradation of plastics after exposure to harsh environmental conditions, and iii) detect counterfeit polymers by density is demonstrated.

Journal: :Advanced healthcare materials 2015
Savas Tasoglu Chu Hsiang Yu Volha Liaudanskaya Sinan Guven Claudio Migliaresi Utkan Demirci

Functional living materials with microscale compositional topographies are prevalent in nature. However, the creation of biomaterials composed of living micro building blocks, each programmed by composition, functionality, and shape, is still a challenge. A powerful yet simple approach to create living materials using a levitation-based magnetic method is presented.

2003
D. Dawson

1 I n t r o d u c t i o n With ever increasing demands placed on precision and reliability within manufacturing and research environments, magnetic levitation systems are finding increased utilization within such applications as machine tooling due to their non-contact (i .e. , low friction) force exertion and their capability for active at tenuation of mechanical vibrations. However, magnetic ...

Journal: : 2022

Background: analysis of the influence cooling conditions high-temperature superconducting elements on power characteristics a maglev system under rapidly changing magnetic fields
 Aim: force magnetic-levitation transport platform fields caused by inhomogeneity track.
 Methods: numerical was performed finite element method in Comsol Multiphysics engineering simulation software.
 R...

2015
Timothy Sands

Control of magnetic levitation systems suffer from coupled physics regardless of control. Feedback control is used to robustly reject disturbances, but is complicated by this coupling. Improved performance is possible by decoupling dynamic disturbance torque, an attractive solution provided by the physics-based control design methodology. Promising approaches include elimination of virtual-zero...

Journal: :IOP Conference Series: Materials Science and Engineering 2021

Journal: :Transportation systems and technology 2017

2005
D. T. Garnier A. K. Hansen J. Kesner M. E. Mauel P. C. Michael J. V. Minervini A. Radovinsky A. Zhukovsky A. Boxer J. Ellsworth I. Karim E. Ortiz

The Levitated Dipole Experiment (LDX) explores the physics of high-temperature plasmas confined by a dipole magnetic field. Stable high-beta plasma has been created and confined by the magnetic field of a superconducting coil. Discharges containing trapped electrons form when microwaves cause strong perpendicular heating at cyclotron resonance. To eliminate the losses to the supports, the magne...

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