Y u. Kolesnikov, A. Thess
This study investigates the flow structures around a magnetic obstacle created by localized magnetic fields, focusing on the influence of the interaction parameter N. The objective was to analyze how varying N affects vortex formation in a horizontal open rectangular cell filled with the liquid metal alloy GaInSn, while a movable permanent magnet creates magnetic influences beneath the cell. Methodologically, we visualized the flow using gas bubble tracers introduced in the fluid surface, allowing us to observe streamline movements and vortex circulation patterns. The experimental results indicated that at low N and high Reynolds number (Re), the flow remains stable and non-vortexing, whereas as N approaches and surpasses critical values Nc1 and Nc2, distinct vortex structures emerge, including a complex six-vortex configuration. These observations highlight a clear transition in flow behavior influenced by the magnetic field, providing insights into magnetohydrodynamics and potential applications in fluid control systems.
@article{78a10415-962b-4ef0-b0b6-dd4044cebb9f,
title={Experimental vortex generation and insta},
author={Y u. Kolesnikov and A. Thess},
year={2026},
language={en}
}TY - JOUR TI - Experimental vortex generation and insta AU - Y u. Kolesnikov AU - A. Thess PY - 2026 LA - en ER -
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