BIFURCATION-ANALYSIS OF PRESSURE-DROP OSCILLATIONS AND THE LEDINEGG INSTABILITY

被引:41
|
作者
PADKI, MM [1 ]
PALMER, K [1 ]
KAKAC, S [1 ]
VEZIROGLU, TN [1 ]
机构
[1] UNIV MIAMI,DEPT MATH & COMP SCI,CORAL GABLES,FL 33124
关键词
D O I
10.1016/0017-9310(92)90287-3
中图分类号
O414.1 [热力学];
学科分类号
摘要
Pressure-drop oscillations and the Ledinegg instability are analyzed from the perspective of dynamical systems theory. An integral formulation is developed to model the two-phase flow system. Instability criteria independent of the actual two-phase flow model are derived for the two phenomena. It is shown that the pressure-drop oscillation limit-cycles occur after a super-critical Hopf bifurcation. In an extension of the analysis, an effort is made to clarify the mechanisms of the pressure-drop type oscillations and Ledinegg instability. The two phenomena are classified from the angle of bifurcation theory, and the differences are outlined.
引用
收藏
页码:525 / 532
页数:8
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