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Multiphase Science and Technology
SJR: 0.183 SNIP: 0.483 CiteScore™: 0.5

ISSN Imprimir: 0276-1459
ISSN En Línea: 1943-6181

Multiphase Science and Technology

DOI: 10.1615/MultScienTechn.v18.i4.30
pages 359-385

AN ANALYSIS OF INTERACTING INSTABILITY MODES

J. Yin
Center for Multiphase Flow, Rensselaer Polytechnic Institute, Troy, NY, USA
Richard T. Lahey, Jr.
Center for Multiphase Research, Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USA
Michael Z. Podowski
Center for Multiphase Flow, Department of Nuclear Engineering and Engineering Physics, Rensselaer Polytechnic Institute, Troy, New York, USA, 12180-3590
Michael K. Jensen
Center for Multiphase Flow, Rensselaer Polytechnic Institute, Troy, NY, USA; University of Wisconsin-Milwaukee, Mechanical Engineering Department Milwaukee, Wisconsin 53201

SINOPSIS

It is well known that phase change systems may experience various system instabilities, such as: Ledinegg type excursive instabilities, density-wave oscillations (DWO) and pressure-drop oscillations (PDO). Moreover, there can be interaction between these instability modes.
The experimentally observed interaction of DWO and PDO instability modes is, for the first time, predicted in this paper. This interaction is particularly important in low pressure phase change systems, such as those which have been proposed by NASA to support their future missions associated with the human exploration and development of space (e.g., the manned mission to Mars).


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