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Description: Flow pattern map for vertical upward flow.

Reference: Taitel, Y., Barnea, D. and Dukler, A. E. Modelling flow pattern transitions for steady upward gas-liquid flow in vertical tubes. AiChe Journal vol. 26,(3), 345-354. 1980

Equations/Symbols:

Calculate:
Insert fluid, temperature (T), pressure (p), tube diameter (D), entry lenght (L) and press 'Calculate'.

Fluid: Air-water R134a Water T (K): p (Pa): D (m): L (m):

Fluid properties: rhol=997.35 kg/m3 rhog=1.17 kg/m3 mul=0.000912047 Pa.s σ=0.0720 N/m

Heat Transfer Research Group - HTRG
University of Sao Paulo - USP