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Correlations of two-phase frictional pressure drop and void fraction in mini-channel

✍ Scribed by W. Zhang; T. Hibiki; K. Mishima

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
883 KB
Volume
53
Category
Article
ISSN
0017-9310

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✦ Synopsis

Alternative correlations of two-phase friction pressure drop and void fraction are explored for mini-channels based on the separated flow model and drift-flux model. By applying the artificial neural network, dominant parameters to correlate the two-phase friction multiplier and void fraction are picked out. It is found that in mini-channels the non-dimensional Laplace constant is a main parameter to correlate the Chisholm parameter as well as the distribution parameter. Both previous correlations and the newly developed correlations are extensively evaluated with a variety of data sets collected from the literature.

πŸ“œ SIMILAR VOLUMES

Pressure drop and void fraction of two-p
Pressure drop and void fraction of two-phase helium flowing in horizontal tubes
✍ X. Huang; S.W. Van Sciver πŸ“‚ Article πŸ“… 1995 πŸ› Elsevier Science 🌐 English βš– 805 KB

The pressure drop and void fraction of two-phase helium in a horizontal flow loop driven by a single stroke bellows pump at mass flow rates ranging from 0.5 to 2.0 g s-' and under system pressures between 0.65 and 1.2 atm are reported. The slip ratio (the ratio of the velocity of the gaseous phase o