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    Low-dissipation heat devices: Unified trade-off optimization and bounds

    Access Status
    Fulltext not available
    Authors
    de Tomas, Carla Mercedes
    Roco, J.
    Hernández, A.
    Wang, Y.
    Tu, Z.
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    de Tomas, C.M. and Roco, J. and Hernández, A. and Wang, Y. and Tu, Z. 2013. Low-dissipation heat devices: Unified trade-off optimization and bounds. Physical Review E. 87 (1).
    Source Title
    Physical Review E
    DOI
    10.1103/PhysRevE.87.012105
    ISSN
    1539-3755
    School
    Department of Physics and Astronomy
    URI
    http://hdl.handle.net/20.500.11937/51996
    Collection
    • Curtin Research Publications
    Abstract

    We apply a unified and trade-off based optimization for low-dissipation models of cyclic heat devices which accounts for both useful energy and losses. The resulting performance regime lies between those of maximum first-law efficiency and maximum ? (a unified figure of merit corresponding to power output of heat engines). The bounds available for both symmetric and extremely asymmetric heat devices are explicitly obtained. The similarities for heat engines and refrigerators and the energetic advantages of the trade-off optimization are especially stressed. © 2013 American Physical Society.

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