Abstract A regenerator is one of the most important elements for many regenerative machines. From numerous experimental observations of regenerators, some dynamic parameters are quite large, and go beyond the assumption of linear acoustic behavior. Thus, some nonlinear effects such as non-zero time-averaged flow can be induced. The non-zero time-averaged flow often produces a significant second-order energy streaming effect in most cases, which can be a serious loss for regenerative machines. Based on a modified Darcy equation and other conservation equations, the paper proposes a model for describing non-zero flows and resulting thermoacoustic effects in a nonlinear regenerator. Moreover, the proposed theory is used to analyze three cases with second-order, non-zero mass flux or velocity.


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    Titel :

    Study on Thermoacoustic DC-Flow Model for a Cyclic Regenerator due to Nonlinear Effects


    Beteiligte:
    Luo, Ercang (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2003-01-01


    Format / Umfang :

    6 pages




    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch