An analytical study of bubble motion in liquid nitrogen under DC nonuniform electric fields

Author

Hara, Masanon ; Wang, Zen-Chao

Author_Institution

Dept. of Electr. Eng., Kyushu Univ., Fukuoka, Japan

Volume

2

fYear

1994

fDate

3-8 Jul 1994

Firstpage

459

Abstract

To clarify the bubble behavior in liquid coolant during quenching period of superconducting coils, the bubble motion is analyzed numerically with cylinder-to-plane electrode systems in liquid nitrogen under DC applied voltages. A set of differential equations which describes the motion of a spherical bubble is given and solved numerically to find bubble trajectory, characteristic time of the formation of bubble stagnation and effects of bubble size and gap parameters on the bubble behavior

Keywords

bubbles; dielectric liquids; differential equations; electric breakdown; electric field effects; electrodes; electrostatics; superconducting coils; DC nonuniform electric fields; bubble size effects; bubble stagnation formation; bubble trajectory; dielectric liquids; differential equations; electrostatic forces; gap parameter effects; liquid coolant; liquid nitrogen; spherical bubble motion; superconducting coils quenching; Dielectric liquids; Drag; Electric fields; Electrodes; Electrostatics; Equations; Motion analysis; Nitrogen; Nonuniform electric fields; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Properties and Applications of Dielectric Materials, 1994., Proceedings of the 4th International Conference on

Conference_Location

Brisbane, Qld.

Print_ISBN

0-7803-1307-0

Type

conf

DOI

10.1109/ICPADM.1994.414046

Filename

414046