scholarly journals Development of a two-velocity model for transient nonequilibrium two-phase flow based on the FAST approach. Final report. [PWR; BWR]

1981 ◽  
Author(s):  
H. A. Khater ◽  
G. D. Raithby
Keyword(s):  
Two Phase Flow ◽  
Velocity Model ◽  
Final Report ◽  
Phase Flow ◽  
Two Phase ◽  
Fast Approach

A Two Zone Interfacial Shear Stress and Liquid Film Velocity Model for Vertical Annular Two-Phase Flow

2006 ◽  
Author(s):  
Evan T. Hurlburt ◽  
Larry B. Fore ◽  
Richard C. Bauer
Keyword(s):  
Liquid Film ◽  
Two Phase Flow ◽  
Interfacial Shear Stress ◽  
Velocity Model ◽  
Interfacial Shear ◽  
Hydraulic Diameter ◽  
Phase Flow ◽  
Two Phase ◽  
Wave Effects ◽  
Wave Heights

The standard approach in estimating the interfacial shear between the vapor and the liquid film in annular two-phase flow is to include the effect of waves using a two-phase friction factor. This has been successful for low pressure annular flows in large hydraulic diameter ducts (wave heights ≪ H/2). It does not, however, work well for high pressure flows in smaller hydraulic diameter ducts (wave heights ∼ H/2). This suggests the need for a more detailed approach to incorporate wave effects in annular flow.

scholarly journals Two-phase flow studies. Final report

1980 ◽  
Author(s):  
J. Kestin ◽  
P.F. Maeder
Keyword(s):  
Two Phase Flow ◽  
Final Report ◽  
Phase Flow ◽  
Two Phase
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