Statistics of particle dispersion in direct numerical simulations of wall-bounded turbulence: Results of an international collaborative benchmark test

C. Marchioli, A. Soldati, J. G M Kuerten, B. Arcen, A. Tanière, G. Goldensoph, Kyle Squires, M. F. Cargnelutti, L. M. Portela

Research output: Contribution to journalArticle

150 Citations (Scopus)

Abstract

In this paper the results of an international collaborative test case relative to the production of a direct numerical simulation and Lagrangian particle tracking database for turbulent particle dispersion in channel flow at low Reynolds number are presented. The objective of this test case is to establish a homogeneous source of data relevant to the general problem of particle dispersion in wall-bounded turbulence. Different numerical approaches and computational codes have been used to simulate the particle-laden flow and calculations have been carried on long enough to achieve a statistically steady condition for particle distribution. In such stationary regime, a comprehensive database including both post-processed statistics and raw data for the fluid and for the particles has been obtained. The complete datasets can be downloaded from the web at http://cfd.cineca.it/cfd/repository/. In this paper the most relevant velocity statistics (for both phases) and particle distribution statistics are discussed and benchmarked by direct comparison between the different numerical predictions.

Original languageEnglish (US)
Pages (from-to)879-893
Number of pages15
JournalInternational Journal of Multiphase Flow
Volume34
Issue number9
DOIs
StatePublished - Sep 2008

Fingerprint

Direct numerical simulation
direct numerical simulation
Turbulence
turbulence
Statistics
statistics
Channel flow
Reynolds number
Fluids
low Reynolds number
channel flow
fluids
predictions

Keywords

  • Collaborative test case
  • Direct numerical simulation
  • Lagrangian particle tracking
  • Steady-state concentration database
  • Two-phase gas-solid flow

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Mechanical Engineering

Cite this

Statistics of particle dispersion in direct numerical simulations of wall-bounded turbulence : Results of an international collaborative benchmark test. / Marchioli, C.; Soldati, A.; Kuerten, J. G M; Arcen, B.; Tanière, A.; Goldensoph, G.; Squires, Kyle; Cargnelutti, M. F.; Portela, L. M.

In: International Journal of Multiphase Flow, Vol. 34, No. 9, 09.2008, p. 879-893.

Research output: Contribution to journalArticle

Marchioli, C. ; Soldati, A. ; Kuerten, J. G M ; Arcen, B. ; Tanière, A. ; Goldensoph, G. ; Squires, Kyle ; Cargnelutti, M. F. ; Portela, L. M. / Statistics of particle dispersion in direct numerical simulations of wall-bounded turbulence : Results of an international collaborative benchmark test. In: International Journal of Multiphase Flow. 2008 ; Vol. 34, No. 9. pp. 879-893.
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AU - Tanière, A.

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