Aspects of two-phase turbulence simulation with combined Eulerian-Lagrangian method

Keh Chin Chang; Jinn Cherng Yang

Aspects of two-phase turbulence simulation with combined Eulerian-Lagrangian method

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Abstract

Two aspects in modeling two-phase turbulent flows by use of the stochastic Eulerian-Lagrangian method which were usually overlooked in the past studies are discussed and examined through two well-defined problems. It is evident that the inlet u_pi¹ conditions have to be considered in the calculation to obtain correct solution of the dispersed-phase turbulence characteristics, in particular for the two-phase flows under the inlet conditions of k_f < k_p. It is also concluded that the transient drag coefficient has to be taken into account when the condition of the Stokes number large than O(10¹) is encountered in the investigated two-phase flow.

Original language	English
Pages (from-to)	43-56
Number of pages	14
Journal	Dynamics of Continuous, Discrete and Impulsive Systems Series B: Applications and Algorithms
Volume	10
Issue number	1-3
Publication status	Published - 2003 Feb

All Science Journal Classification (ASJC) codes

Discrete Mathematics and Combinatorics
Applied Mathematics

Cite this

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abstract = "Two aspects in modeling two-phase turbulent flows by use of the stochastic Eulerian-Lagrangian method which were usually overlooked in the past studies are discussed and examined through two well-defined problems. It is evident that the inlet upi1 conditions have to be considered in the calculation to obtain correct solution of the dispersed-phase turbulence characteristics, in particular for the two-phase flows under the inlet conditions of kf < kp. It is also concluded that the transient drag coefficient has to be taken into account when the condition of the Stokes number large than O(101) is encountered in the investigated two-phase flow.",

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N2 - Two aspects in modeling two-phase turbulent flows by use of the stochastic Eulerian-Lagrangian method which were usually overlooked in the past studies are discussed and examined through two well-defined problems. It is evident that the inlet upi1 conditions have to be considered in the calculation to obtain correct solution of the dispersed-phase turbulence characteristics, in particular for the two-phase flows under the inlet conditions of kf < kp. It is also concluded that the transient drag coefficient has to be taken into account when the condition of the Stokes number large than O(101) is encountered in the investigated two-phase flow.

AB - Two aspects in modeling two-phase turbulent flows by use of the stochastic Eulerian-Lagrangian method which were usually overlooked in the past studies are discussed and examined through two well-defined problems. It is evident that the inlet upi1 conditions have to be considered in the calculation to obtain correct solution of the dispersed-phase turbulence characteristics, in particular for the two-phase flows under the inlet conditions of kf < kp. It is also concluded that the transient drag coefficient has to be taken into account when the condition of the Stokes number large than O(101) is encountered in the investigated two-phase flow.

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JF - Dynamics of Continuous, Discrete and Impulsive Systems Series B: Applications and Algorithms

IS - 1-3

ER -

Aspects of two-phase turbulence simulation with combined Eulerian-Lagrangian method

Abstract

All Science Journal Classification (ASJC) codes

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