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Report No.

Evaluation of influence of pipe width on interfacial growth of horizontal stratified two-phase flow in rectangular pipe by lattice Boltzmann method

Ebihara, Kenichi  ; Watanabe, Tadashi

The horizontal stratified two-phase flow in the rectangular pipe whose width in smaller than the height is simulated by the one-component two-phase lattice Boltzmann method. The interfacial growth between two phases is measured for three cases with the different pipe width and the measured dimensionless number charactering the two-phase flow is compared with the flow regime map proposed by Taitel and Dukler. It is found that the boundary separating the interfacical growth from the non-growth which is obtained by the simulations is larger in the flow regime map when the pipe width is narrower.



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