Fluid flow in a rotating curved rectangular duct

Fluid flow in a rotating curved rectangular duct

The fluid flowing in a rotating curved duct is subjected to both the Coriolis force due to a rotation and the centrifugal force due to a curvature. In this paper, the combined effects of the two forces on the flows in rotating curved rectangular ducts are examined numerically. According to the aspec...

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Veröffentlicht in:The International journal of heat and fluid flow 2001-12, Vol.22 (6), p.583-592
Hauptverfasser: Zhang, Jinsuo, Zhang, Benzhao, Jü, Jianwei
Format: Artikel
Sprache:eng
Schlagworte:
Curved ducts
Exact sciences and technology
Flows in ducts, channels, nozzles, and conduits
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Hydrodynamic stability
Physics
Rotating ducts
Secondary flow
Secondary instability
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Zusammenfassung:The fluid flowing in a rotating curved duct is subjected to both the Coriolis force due to a rotation and the centrifugal force due to a curvature. In this paper, the combined effects of the two forces on the flows in rotating curved rectangular ducts are examined numerically. According to the aspect ratio of the cross-section, the rectangular ducts are divided into three types: η>1, η=1, η
ISSN:0142-727X
1879-2278
DOI:10.1016/S0142-727X(01)00126-6