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Interaction between two spheres placed in tandem arrangement in steady and pulsating flow

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Author

Summary, in English

The interaction among two spheres in tandem formation are studied for a Reynolds number of 300 using both steady and pulsating inflow conditions. The purpose is to further investigate the force characteristics as well as the shedding patterns of the two spheres as the separation distance is changed from 1.5 to 12. sphere diameters. The method used for the simulations is the volume of solid (VOS) method, an approach based on the volume of fluid (VOF) method. Comparisons with other computational methods have shown VOS to accurately resolve the flow field around solid spheres. The results show that the separation distance plays a significant role in changing the flow patterns and shedding frequencies at moderate separation distances, whereas effect on drag is observed even at a separation distance of 12 diameters. (C) 2009 Elsevier Ltd. All rights reserved.

Department/s

Publishing year

2009

Language

English

Pages

963-969

Publication/Series

International Journal of Multiphase Flow

Volume

35

Issue

10

Document type

Journal article

Publisher

Elsevier

Topic

  • Fluid Mechanics and Acoustics

Keywords

  • Volume of solid (VOS)
  • Interaction
  • Dual particles
  • Tandem formation

Status

Published

ISBN/ISSN/Other

  • ISSN: 0301-9322