Capillary Instability of a Cylindrical Ferrofluid Jet in a Uniform Longitudinal Magnetic Field

2020 ◽  
Vol 65 (5) ◽  
pp. 691-695
Author(s):  
V. M. Korovin
Keyword(s):  
Magnetic Field ◽  
Longitudinal Magnetic Field ◽  
Capillary Instability

On the capillary instability of a jet carrying an axial current with or without a longitudinal magnetic field

1964 ◽  
Vol 278 (1373) ◽  
pp. 214-227 ◽  
Keyword(s):  
Magnetic Field ◽  
Growth Rates ◽  
Longitudinal Magnetic Field ◽  
Axial Current ◽  
Current Strength ◽  
Liquid Column ◽  
Capillary Instability ◽  
Increase With Increase ◽  
Experimental Values ◽  
Volume Current

This paper discusses the capillary instability of a cylindrical jet of a conducting liquid carrying an axial volume current with respect to axisymmetric disturbances. Growth rates obtained from the analysis are found to be in reasonable agreement with the experimental values of Dattner, Lehnert & Lundquist (1958). It turns out that a mode of maximum instability always exists for any value of the conductivity and the growth rate decreases with increase in conductivity. It is also found that, as in the non-magnetic case, the liquid column is unstable if the wavelength exceeds the circumference of the cylinder. Growth rates increase with increase in the current strength but for sufficiently small wavelengths, the surface tension completely overpowers the destabilizing influence of the current and stabilizes the liquid column. If in addition a longitudinal magnetic field is present, it is shown that it is possible to stabilize varicose deformations of all wavelengths if the magnetic field exceeds a critical value depending on the current strength.

Refinement of metal structure in arc surfacing under the effect of longitudinal magnetic field

2019 ◽  
Vol 2019 (2) ◽  
pp. 19-21
Author(s):  
A.D. Razmyshlyaev ◽  
◽  
M.V. Ageeva ◽  
E.V. Lavrova ◽  
◽  
...  
Keyword(s):  
Magnetic Field ◽  
Longitudinal Magnetic Field ◽  
Metal Structure

scholarly journals Design and evaluation of 10-kA class superconducting DC power cable based on longitudinal magnetic field effect

2021 ◽  
Vol 1975 (1) ◽  
pp. 012037
Author(s):  
Y Kinoshita ◽  
T Yonenaka ◽  
Y Ichiki ◽  
T Akasaka ◽  
E S Otabe ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Field Effect ◽  
Longitudinal Magnetic Field ◽  
Magnetic Field Effect ◽  
Power Cable ◽  
Dc Power

scholarly journals Magnetic field of the classical Cepheid η Aql: new results

2013 ◽  
Vol 9 (S302) ◽  
pp. 381-382
Author(s):  
V. Butkovskaya ◽  
S. Plachinda ◽  
D. Baklanova ◽  
V. Butkovskyi
Keyword(s):  
Magnetic Field ◽  
Longitudinal Magnetic Field ◽  
Mean Value ◽  
Stellar Rotation ◽  
Classical Cepheid ◽  
Pulsation Cycle

AbstractWe present the results of the spectropolarimetric study of the classical Cepheid η Aql in 2002, 2004, 2010, and 2012. The longitudinal magnetic field of η Aql was found to be variable with the pulsation cycle of 7.176726 day. The amplitude, phase, and mean value of the field vary from year to year presumably due to stellar rotation or dynamo mechanisms.

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