scholarly journals A Train Locating Device Using the Current Phase Difference Upon Magnetic Field Variation

2012 ◽  
Vol 15 (6) ◽  
pp. 604-608 ◽  
Author(s):  
Jae Sik Choi ◽  
Baik Kim ◽  
Sung Chan Rho
Keyword(s):  
Magnetic Field ◽  
Phase Difference ◽  
Current Phase ◽  
Field Variation ◽  
Magnetic Field Variation

On the Configuration of the Magnetic Field of β CrB

1976 ◽  
Vol 32 ◽  
pp. 613-622
Author(s):  
I.A. Aslanov ◽  
Yu.S. Rustamov
Keyword(s):  
Magnetic Field ◽  
Field Strength ◽  
Radial Velocity ◽  
Magnetic Field Strength ◽  
Complex Shape ◽  
Rotation Period ◽  
Field Variation ◽  
Magnetic Field Variation ◽  
Secular Variations ◽  
The Magnetic Field

SummaryMeasurements of the radial velocities and magnetic field strength of β CrB were carried out. It is shown that there is a variability with the rotation period different for various elements. The curve of the magnetic field variation measured from lines of 5 different elements: FeI, CrI, CrII, TiII, ScII and CaI has a complex shape specific for each element. This may be due to the presence of magnetic spots on the stellar surface. A comparison with the radial velocity curves suggests the presence of a least 4 spots of Ti and Cr coinciding with magnetic spots. A change of the magnetic field with optical depth is shown. The curve of the Heffvariation with the rotation period is given. A possibility of secular variations of the magnetic field is shown.

Experimental Study of Magnetic Field Variation Induced in Ferromagnetic Materials

2013 ◽  
Vol 312 ◽  
pp. 402-405
Author(s):  
Yang Yong ◽  
Dong Sun ◽  
Jie Ji
Keyword(s):  
Magnetic Field ◽  
Plastic Region ◽  
Steel Specimen ◽  
Fatigue Tests ◽  
Experimental Results ◽  
Magnetic Memory ◽  
Field Variation ◽  
Magnetic Field Variation ◽  
Metal Magnetic Memory ◽  
Stress Increase

The fatigue tests on 15CrMo steel specimen were carried out and the metal magnetic memory (MMM) signals were detected. The experiment shows that the magnetic signals of specimen contain the information of stress distribution in the material inside. Furthermore, the experimental results show that the magnetic signals increase initial while then decrease slightly with the stress increase from 0kN to 200kN. Though analysis the MMM signals induced by different tensile stress within the plastic region of the specimen, a simple model was derived. The experimental results are consistent with the calculated results based on the Jiles-Atherton model.

scholarly journals Observations of Magnetic Features with the German Solar Telescopes at the Observatorio del Teide/Tenerife

1990 ◽  
Vol 142 ◽  
pp. 113-117
Author(s):  
F. Kneer ◽  
D. Soltau ◽  
E. Wiehr
Keyword(s):  
Magnetic Field ◽  
Fine Structure ◽  
Spatial Variation ◽  
Velocity Fluctuation ◽  
Small Scale ◽  
Field Variation ◽  
Magnetic Field Variation ◽  
Quiet Sun ◽  
Magnetic Features ◽  
Solar Telescopes

The German solar facilities at the Obsrvatorio del Teide are described first. Then, a few examples of recent results from magnetic features are given: spatial variation and velocity fluctuation of small-scale magnetic fluxtubes in the quiet Sun, Evershed flow and magnetic field in connection with penumbral fine structure, and magnetic field variation in sunspot umbrae.

Drift wave shear damping annulment due to parametric coupling and magnetic field variation

1993 ◽  
Vol 48 (5) ◽  
pp. 603-606 ◽  
Author(s):  
T A Davydova ◽  
D Jovanović ◽  
J Vranješ ◽  
J Weiland
Keyword(s):  
Magnetic Field ◽  
Field Variation ◽  
Magnetic Field Variation ◽  
Drift Wave ◽  
Parametric Coupling ◽  
Shear Damping

scholarly journals Theoretical Modeling of Magnetocaloric Effect in Heusler Ni-Mn-In Alloy by Monte Carlo Study

2009 ◽  
Vol 635 ◽  
pp. 137-142 ◽  
Author(s):  
Vasiliy D. Buchelnikov ◽  
V.V. Sokolovskiy ◽  
Sergey Taskaev ◽  
Peter Entel
Keyword(s):  
Magnetic Field ◽  
Experimental Data ◽  
Monte Carlo ◽  
Monte Carlo Study ◽  
Field Variation ◽  
Magnetic Field Variation ◽  
Magnetic Entropy ◽  
Good Qualitative Agreement ◽  
Proposed Model ◽  
Temperature Dependences

In this paper we present a theoretical model for calculation of the (positive and negative) magnetocaloric effects and magnetic properties of the Heusler Ni50Mn34In16 alloy by the classical Monte Carlo study. By the help of the proposed model the temperature dependences of the magnetization, tetragonal deformation, heat capacity, positive and negative isothermal magnetic entropy changes for magnetic field variation are obtained. All quantities are in good qualitative agreement with the available experimental data.

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