A non-intrusive optical method for two-phase flow pattern identification was developed to validate flow regime maps for two-phase adiabatic flow in a small diameter tube. Empirical measurements of film thickness have been shown to provide objective identification of the dominant two-phase flow regimes, representing a significant improvement over the traditional use of exclusively visual and verbal descriptions. Use of this technique has shown the Taitel-Dukler, Ullmann-Brauner, and Wojtan et al. phenomenological flow regime mapping methodologies to be applicable, with varying accuracy, to small diameter two-phase flow.
- Fluids Engineering Division
Non-Intrusive Optical Validation of Two-Phase Flow Regimes in a Small Diameter Tube
Sharar, DJ, Bergles, AE, Jankowski, NR, & Bar-Cohen, A. "Non-Intrusive Optical Validation of Two-Phase Flow Regimes in a Small Diameter Tube." Proceedings of the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting. ASME 2014 12th International Conference on Nanochannels, Microchannels and Minichannels. Chicago, Illinois, USA. August 3–7, 2014. V001T03A016. ASME. https://doi.org/10.1115/ICNMM2014-22029
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