NDLI: Investigation of vortical flows over oscillating body using fast Lagrangian vortex method

Content Provider	Springer Nature Link
Author	Zhu, Baoshan
Copyright Year	2009
Abstract	A computational method facilitating long-time and high-resolution unsteady vortical flows is developed with the advantages of the discrete vortex methods. Both the velocity and pressure distribution of the flow field are calculated by integral formulations in combination with a fast summation algorithm. The vorticity field is described by Lagrangian representation, which is well suited to the moving boundary. Viscosity diffusion of the vorticity is considered with the core spreading model corrected by an adaptive splitting and merging algorithm. The effectiveness of the present method is examined by comparing the numerical results of unsteady separated flows which pass a cylinder and a thin cambered blade undergoing rotational oscillations with available experimental results. Interesting results about vortex shedding patterns and lock-in characteristics are provided for the thin cambered blade.
Starting Page	297
Ending Page	306
Page Count	10
File Format	PDF
ISSN	16737393
Journal	Frontiers of Energy and Power Engineering in China
Volume Number	3
Issue Number	3
e-ISSN	16737504
Language	English
Publisher	SP Higher Education Press
Publisher Date	2009-03-03
Publisher Institution	Chinese Universities
Publisher Place	Heidelberg
Access Restriction	Subscribed
Subject Keyword	unsteady vortical flows fast vortex method vortex shedding rotational oscillation thin cambered blade Energy Technology
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology

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