Turbulent Taylor-Couette flow with magnetohydrodynamic interaction in axial magnetic field

被引：0

作者：

Kobayashi, Hiromichi ^{[1
,2
]}

Hasebe, Takahiro ^{[3
]}

Fujino, Takayasu ^{[4
]}

Takana, Hidemasa ^{[5
]}

机构：

[1] Keio Univ, Dept Phys & Res, 4-1-1 Hiyoshi,Kohoku ku,Hiyoshi Campus, Yokohama 2238521, Japan

[2] Keio Univ, Educ Ctr Nat Sci, 4-1-1 Hiyoshi,Kohoku ku,Hiyoshi Campus, Yokohama 2238521, Japan

[3] Univ Tsukuba, Grad Sch Sci & Technol, 1-1-1 Tennodai, Tsukuba 3058573, Japan

[4] Univ Tsukuba, Inst Syst & Informat Engn, 1-1-1 Tennodai, Tsukuba 3058573, Japan

[5] Tohoku Univ, Inst Fluid Sci, 2-1-1,Katahira,Aoba ku, Sendai 9808577, Japan

来源：

PHYSICS OF FLUIDS | 2025年 / 37卷 / 02期

关键词：

DIRECT NUMERICAL-SIMULATION; REYNOLDS-NUMBER; VORTEX FLOW; DUCT FLOW;

D O I：

10.1063/5.0255100

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Turbulent Taylor-Couette flow applied in the axial magnetic field with upper and lower walls is numerically investigated by large-eddy simulation. As the Hartmann number increases proportional to the magnetic field, turbulent fluctuations are suppressed, and the flow is laminarized. The alignment of vortex structures is drastically changed from the azimuthal direction to the axial direction. The fine streaks near the inner wall are suppressed, and the high-speed triplet streaks emerge near the inner wall. The electric current streamlines reveal the feature of the difference between open and short circuit conditions.

引用

页数：11

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