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Full Lagrangian Approach to the Calculation of Dilute Dispersed Phase Flows: Advantages and Applications

[+] Author Affiliations
Yury M. Tsirkunov, Aleksei N. Volkov, Natalia V. Tarasova

Baltic State Technical University, St. Petersburg, Russia

Paper No. FEDSM2002-31224, pp. 409-422; 14 pages
doi:10.1115/FEDSM2002-31224
From:
  • ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
  • Volume 2: Symposia and General Papers, Parts A and B
  • Montreal, Quebec, Canada, July 14–18, 2002
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-3616-9 | eISBN: 0-7918-3600-2
  • Copyright © 2002 by ASME

abstract

An efficient numerical method developed recently in Russia for calculations of dilute particle phase flow fields in two-phase gas-particle flows is presented in this paper. The method is based on the full Lagrangian approach (FLA) to the description of the regular motion of the particle phase. The collisionless “gas” of particles is treated as a continuum for which all basic equations, namely, the continuity equation, the momentum equation and the energy equation are written in the Lagrangian coordinates. The traditional Lagrangian approach (LA) widely used in the West does not deal with the explicit form of the continuity equation for the particle phase, and this is the key difference between FLA and LA. The FLA-method has some advantages over the traditional Lagrangian technique. Examples of numerical calculations of two-phase flows with a complex particle phase flow structure illustrate this method.

Copyright © 2002 by ASME
Topics: Flow (Dynamics)

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