Theoretical study for accelerated twophase flow. I  Constantarea flow
Abstract
In the analysis of an accelerated twophase flow, the phase change in thermal equilibrium condition, wall friction, interphase friction caused by the difference between two velocities and the entropy increase are considered. Some numerical calculations are made for the conditions of Ogasawara's experiments of a steamwater critical flow from a long constant crosssection pipe. The numerical results are in good agreement with the experimental ones, i.e., the pressure gradient close to the exit plane of the test pipe and the critical flow rates.
 Publication:

JSME International Journal Series B
 Pub Date:
 April 1980
 Bibcode:
 1980JSMEB..23..536O
 Keywords:

 Critical Flow;
 Flow Theory;
 Mathematical Models;
 Steam Flow;
 Two Phase Flow;
 Water Flow;
 Constitutive Equations;
 Continuity Equation;
 Entropy;
 Flow Velocity;
 Fluid Dynamics;
 Internal Friction;
 Pipe Flow;
 Pressure Gradients;
 Pressure Reduction;
 Thermodynamic Equilibrium;
 Fluid Mechanics and Heat Transfer