Pressure losses caused by area changes in a single-channel flow under two-phase flow conditions
Experimental data obtained on plate and smooth blockages under two-phase flow conditions in a square vertical channel have been presented and analysed using the Janssen-Kervinen and momentum-energy models. The vena contracta coefficients obtained for plate blockages using these models agree well up...
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Veröffentlicht in: | International journal of multiphase flow 1989, Vol.15 (1), p.51-64 |
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Hauptverfasser: | , , , |
Format: | Artikel |
Sprache: | eng |
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Online-Zugang: | Volltext |
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Zusammenfassung: | Experimental data obtained on plate and smooth blockages under two-phase flow conditions in a square vertical channel have been presented and analysed using the Janssen-Kervinen and momentum-energy models. The vena contracta coefficients obtained for plate blockages using these models agree well up to about 30% void fraction. It is observed that the contraction coefficients for two-phase flow differ somewhat from those for single-phase flows. The irreversible pressure loss coefficients for plate and smooth blockages depend on blockage severity and void fraction. |
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ISSN: | 0301-9322 1879-3533 |
DOI: | 10.1016/0301-9322(89)90085-2 |