Stability analysis of annular flow structure, using a discrete form of the “two-fluid model” |
| |
Authors: | D Barnea |
| |
Affiliation: | Department of Fluid Mechanics and Heat Transfer, Faculty of Engineering, Tel-Aviv University, Ramat-Aviv 69978, Israel |
| |
Abstract: | The differential form of the “two-fluid model” for annular flow, neglecting surface tension, is ill-posed, and it is not suited for examining the stability of the steady-state solutions with respect to the average film thickness. It is shown here that a discrete (difference) representation of the two-fluid model may lead to an appropriate criterion for the stability of the steady-state solutions. Exactly the same criterion is obtained from the requirement that the kinematic waves will propagate in the downstream direction. The suggested discrete form of the “two-fluid model” is used to perform transient simulation and for examining the system response to finite disturbances. |
| |
Keywords: | two phase flow annular flow stability |
本文献已被 ScienceDirect 等数据库收录! |
|