On disturbances in an infinite elastic medium containing a cylindrical cavity traversed by an axial magnetic field

1965 ◽  
Vol 60 (1) ◽  
pp. 23-28 ◽  
Author(s):  
Dilip K. Sinha
Keyword(s):  
Magnetic Field ◽  
Elastic Medium ◽  
Cylindrical Cavity ◽  
Axial Magnetic Field

scholarly journals On an electron in an elastic medium with a spiral dislocation

2019 ◽  
Vol 34 (27) ◽  
pp. 1950153 ◽  
Author(s):  
A. V. D. M. Maia ◽  
K. Bakke
Keyword(s):  
Magnetic Field ◽  
Electric Field ◽  
Elastic Medium ◽  
Bound States ◽  
Axial Magnetic Field ◽  
Radial Electric Field ◽  
Hard Wall ◽  
Confining Potential ◽  
Bohm Effect ◽  
Aharonov Bohm

Topological effects of a spiral dislocation on an electron are investigated when it is confined to a hard-wall confining potential. Besides, the influence of the topology of the spiral dislocation on the interaction of the electron with a nonuniform radial electric field and a uniform axial magnetic field is analyzed. It is shown that the spectrum of energy can be obtained in all these cases. Moreover, it is shown that there is one case where an analog of the Aharonov–Bohm effect for bound states is yielded by the topology of the spiral dislocation.

Influence of Axial Magnetic Field on Swirling Flow and Vortex Breakdown Zones in a Cylindrical Cavity with a Rotating Lid

2019 ◽  
Vol 11 (06) ◽  
pp. 1950054 ◽  
Author(s):  
Subas Chandra Dash ◽  
Navtej Singh
Keyword(s):  
Magnetic Field ◽  
Cylindrical Cavity ◽  
Vortex Breakdown ◽  
Swirling Flow ◽  
Axial Magnetic Field ◽  
Rotating Disk ◽  
Electrically Conducting ◽  
Conducting Wall ◽  
Qualitative Effect ◽  
Fixed End

In this study, behavior of swirling flow under the influence of axial magnetic field in a cylindrical container with a top rotating disk has been probed. The flow is assumed to be axisymmetric for the parameters considered. The domain consists of a cylindrical cavity packed with viscous and electrically conducting metallic liquid. The qualitative effect of magnetic field is manifested in terms of torque coefficient evaluated on the rotating lid as well as the fixed end wall. Effects of the magnetic field on the zones of vortex breakdown, in the Aspect ratio (AR), Reynolds number (Re) plane, for the top rotating lid with all sides electrically insulated have been developed. Moreover, it is found that one can control the behavior of flow with help of a proper choice of the electric conducting wall.

Effect of a strong axial magnetic field on swirling flow in a cylindrical cavity with a top rotating lid

2019 ◽  
Vol 30 (11) ◽  
pp. 1950092
Author(s):  
Subas Chandra Dash ◽  
Navtej Singh
Keyword(s):  
Magnetic Field ◽  
Boundary Layer ◽  
Cylindrical Cavity ◽  
Vortex Breakdown ◽  
Swirling Flow ◽  
Axial Magnetic Field ◽  
Electrically Conducting ◽  
Electrically Conducting Fluid ◽  
Steady Magnetic Field ◽  
Flow Domain

Behavior of swirling flow in a cylindrical container with top rotating lid has been investigated under the influence of a strong axial magnetic field. The flow is assumed to be axisymmetric for the parameters considered in the study. The flow domain consists of a cylindrical cavity with a top rotating lid packed with viscous incompressible electrically conducting fluid, e.g. liquid metal. A steady magnetic field acts perpendicular to the bottom wall of the cavity. When the top rotating lid rotates an Ekman boundary layer develops in vicinity to the top rotating lid. However, the presence of a Hartmann boundary layer not only restrains the vortex breakdown but also shifts its position to some extent. All the walls of the cavity are assumed to be electrically insulated.

EXPANSION OF LASER-PRODUCED ION BEAMS IN AN AXIAL MAGNETIC FIELD

2002 ◽  
Vol 6 (4) ◽  
pp. 8
Author(s):  
J. Wolowski ◽  
J. Badziak ◽  
P. Parys ◽  
E. Woryna ◽  
J. Krasa ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Axial Magnetic Field ◽  
Ion Beams

A Slotless PM Variable Reluctance Resolver with Axial Magnetic Field

2021 ◽  
pp. 1-1
Author(s):  
Le Sun ◽  
Zhejun Luo ◽  
Jun Hang ◽  
Shichuan Ding ◽  
Wei Wang
Keyword(s):  
Magnetic Field ◽  
Axial Magnetic Field ◽  
Variable Reluctance

Analytical solution for unsteady flow behind ionizing shock wave in a rotational axisymmetric non-ideal gas with azimuthal or axial magnetic field

2021 ◽  
Vol 76 (3) ◽  
pp. 265-283
Author(s):  
G. Nath
Keyword(s):  
Magnetic Field ◽  
Shock Wave ◽  
Analytical Solution ◽  
Axial Magnetic Field ◽  
Order Approximation ◽  
Ideal Gas ◽  
Field Region ◽  
First Order ◽  
First Order Approximation ◽  
Flow Variables

Abstract The approximate analytical solution for the propagation of gas ionizing cylindrical blast (shock) wave in a rotational axisymmetric non-ideal gas with azimuthal or axial magnetic field is investigated. The axial and azimuthal components of fluid velocity are taken into consideration and these flow variables, magnetic field in the ambient medium are assumed to be varying according to the power laws with distance from the axis of symmetry. The shock is supposed to be strong one for the ratio C 0 V s 2 ${\left(\frac{{C}_{0}}{{V}_{s}}\right)}^{2}$ to be a negligible small quantity, where C 0 is the sound velocity in undisturbed fluid and V S is the shock velocity. In the undisturbed medium the density is assumed to be constant to obtain the similarity solution. The flow variables in power series of C 0 V s 2 ${\left(\frac{{C}_{0}}{{V}_{s}}\right)}^{2}$ are expanded to obtain the approximate analytical solutions. The first order and second order approximations to the solutions are discussed with the help of power series expansion. For the first order approximation the analytical solutions are derived. In the flow-field region behind the blast wave the distribution of the flow variables in the case of first order approximation is shown in graphs. It is observed that in the flow field region the quantity J 0 increases with an increase in the value of gas non-idealness parameter or Alfven-Mach number or rotational parameter. Hence, the non-idealness of the gas and the presence of rotation or magnetic field have decaying effect on shock wave.

The behavior of TIG welding arc in a high-frequency axial magnetic field

2020 ◽  
Vol 65 (1) ◽  
pp. 95-104
Author(s):  
H. Wu ◽  
Y. L. Chang ◽  
Alexandr Babkin ◽  
Boyoung Lee
Keyword(s):  
Magnetic Field ◽  
High Frequency ◽  
Axial Magnetic Field ◽  
Tig Welding ◽  
Welding Arc

Transverse surface waves in magneto-elasticity

1966 ◽  
Vol 62 (3) ◽  
pp. 541-545 ◽  
Author(s):  
C. M. Purushothama
Keyword(s):  
Magnetic Field ◽  
Wave Propagation ◽  
Surface Waves ◽  
Elastic Medium ◽  
Uniform Magnetic Field ◽  
Shear Waves ◽  
Plane Shear ◽  
Electrically Conducting ◽  
Velocity Of Propagation

AbstractIt has been shown that uncoupled surface waves of SH type can be propagated without any dispersion in an electrically conducting semi-infinite elastic medium provided a uniform magnetic field acts non-aligned to the direction of wave propagation. In general, the velocity of propagation will be slightly greater than that of plane shear waves in the medium.

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