Basic Equations, Two Phase Flow |
subscript g | gas |
subscript l | liquid |
void fraction | |||||||||||||||||
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mass flow rate | |||||
W = Wg + Wl |
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volume flow rate | |||||
Q = Qg + Ql |
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mass flux | |||||||||||||
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mean phase velocity | |||||||||||||||||
ug and ul refer to the averaged velocity over the area occupied by each phase, respectively | |||||||||||||||||
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slip ratio | |||||||||||
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relative velocity | |||||
ur ≡ ug – ul |
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superficial phase velocity (volumetric flux) | |||||||||||||||||
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volumetric flow fraction (volumetric quality) | |||||||||||
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two phase mixture density | ||||||||||||||||||
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