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CFD simulation of gas–liquid flow in a hig(5)
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摘要：Ωbr(V,V′)bubble breakage rate Ωag(ViVj)bubble coalescence rate, εiphase holdup,i=1:gas phase,i=2:liquid phase εGaverage gas phase holdup εGgas phase holdup εLliquid phase holdup εG,1εG,2turb
Ωbr(V,V′)bubble breakage rate
Ωag(ViVj)bubble coalescence rate,
εiphase holdup,i=1:gas phase,i=2:liquid phase
εGaverage gas phase holdup
εGgas phase holdup
εLliquid phase holdup
εG,1εG,2turbulent diffusion force limit function constant
ζijrelative diameter of bubble
ζminminimum relative diameter of bubble
μtturbulent viscosity,Pa·s
ρ0Gas density under standard conditions,kg·m?3
ρLliquid density,kg·m?3
ρGgas density,kg·m?3
σ surface tension,N·s?1
ω(ViVj) collision frequency between bubbles of size diand dj,m3·s?1
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