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A K-εtwo-equation turbulence model for the solid-liquid two-phase flows

✍ Scribed by Liu Xiaobing; Cheng Liangjun

Publisher
Springer
Year
1996
Tongue
English
Weight
515 KB
Volume
17
Category
Article
ISSN
0253-4827

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✦ Synopsis

A two-equatioo tin'huh, nee model has beeo dereloped for predicting two-p/rose flow. The two equations describe the conservation of turbulem'e kinetic energy and dLs'sipation rate of that em'rgy ./br the incompi'essibk, carrier fhd d ht a two-phase flow.

The'continuity, the momenttmr, K and e equations are modeled, hi this model, the solid-liquid slip veh~cities, the l~artiele-I)artic# h;teractions ond the interaetioos between two phases are ~'onsldered. The sandy Water pipe turbulent flows are sucecssjidly predicted hr this turbuh, nce model.

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In this paper, a two-fluid model of turbulent two-phase flow is used to simulate turbulent stratified flows. This is a unified multi-fluid model for the motion of each phase in the flow, whose turbulent transport is closed by a two-phase k-e model. The exchanges of mass, momentum and energy between