Numerical Simulation of Three-Dimensional Unsteady Flow Field in the Cyclone

Zong Rui Hao; Juan Xu; Hai Yan Bie; Zhong Hai Zhou

doi:10.4028/www.scientific.net/AMR.774-776.258

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 774-776Numerical Simulation of Three-Dimensional Unsteady...

Numerical Simulation of Three-Dimensional Unsteady Flow Field in the Cyclone

Abstract:

Large eddy simulation to describe the turbulent flow of airflow field was used to calculate the unsteady turbulent flow characteristics in the cyclone. It funded that the tangential velocity in the cyclone profile behaved like rankine vortex, with the downward semi-free vortex of the outer layer and the upward forced vortex. With the increasing import gas velocity, the swirling strength of the center increased which reduced collection efficiency by clouding the dust particles in the ash bucket to the center airflow.

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Periodical:

Advanced Materials Research (Volumes 774-776)

Pages:

258-261

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.774-776.258

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Online since:

September 2013

Authors:

Zong Rui Hao, Juan Xu, Hai Yan Bie, Zhong Hai Zhou

Keywords:

Cyclone, Large Eddy Simulation, Tangential Velocity, Turbulent Flow

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References

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