Electromagnetic-capillary instabilities of a hollow liquid cylinder - Production of spherical shells under microgravity conditionsAn electrical device is proposed for manufacturing spherical shells out of hollow metallic cylinders in a microgravity environment. Such a cylinder is melted by passing a strong axial current through it. The resulting liquid column is unstable to axisymmetric disturbances and breaks up to form hollow spheres after solidification. The stability analysis presented in this paper, which is based on an inviscid magnetohydrodynamic formulation, shows that the size of the spheres may be controlled by varying the strength of the current passed through the column.
Document ID
19880061754
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Chow, C.-Y. (Colorado, University Boulder, United States)
Harvanek, M. (Colorado Univ. Boulder, CO, United States)
Date Acquired
August 13, 2013
Publication Date
January 1, 1988
Subject Category
Materials Processing
Report/Patent Number
AIAA PAPER 88-3729
Meeting Information
Meeting: AIAA, ASME, SIAM, and APS, National Fluid Dynamics Congress