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Multiphase Science and Technology

Выходит 4 номеров в год

ISSN Печать: 0276-1459

ISSN Онлайн: 1943-6181

SJR: 0.144 SNIP: 0.256 CiteScore™:: 1.1 H-Index: 24

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PARALLEL-CHANNEL INSTABILITY IN NATURAL CIRCULATION SYSTEM

Том 18, Выпуск 4, 2006, pp. 305-333
DOI: 10.1615/MultScienTechn.v18.i4.10
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Краткое описание

Recently, regional flow instability in two-phase flow system, i.e. flow fluctuations occurred only in the core region of nuclear reactor or multi-channel region without fluctuation of the total inlet flow, is attracting much interest. This flow instability is a significant problem for the systems from the viewpoint of safety and economy. Many investigations on the flow instabilities have been conducted so far, and respective stability criteria have been proposed, while these investigations focused normally on the one-channel system without flow maldistribution, and the resulting stability criteria are hardly applied to the regional flow instability problems.
Thus in the present investigation, we conducted analytical investigation focusing not only on the whole system flow instability but also on the regional flow instability. The stability analysis was performed with lumped-parameter model of parallel boiling channels. Finally the stability criteria for the two types of the flow instabilities and the stability maps were obtained.

ЦИТИРОВАНО В
  1. Manavela Chiapero E., Fernandino M., Dorao C.A., Numerical analysis of pressure drop oscillations in parallel channels, International Journal of Multiphase Flow, 56, 2013. Crossref

  2. Manavela Chiapero E., Fernandino M., Dorao C.A., Experimental study of pressure drop oscillations in parallel horizontal channels, International Journal of Heat and Fluid Flow, 50, 2014. Crossref

  3. Ruspini Leonardo Carlos, Marcel Christian Pablo, Clausse Alejandro, Two-phase flow instabilities: A review, International Journal of Heat and Mass Transfer, 71, 2014. Crossref

  4. Bakhshan Y., Kazemi S., Niazi S., Adibi P., Effect of inertia and compressibility on the pressure drop oscillations of two-phase boiling flows in horizontal parallel channels, Journal of Mechanical Science and Technology, 31, 10, 2017. Crossref

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