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    Modelling of organic Rankine cycle system and heat exchanger components

    Access Status
    Fulltext not available
    Authors
    Jung, Hyung-Chul
    Krumdieck, S.
    Date
    2014
    Type
    Journal Article
    
    Metadata
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    Citation
    Jung, H. and Krumdieck, S. 2014. Modelling of organic Rankine cycle system and heat exchanger components. International Journal of Sustainable Energy. 33 (3): pp. 704-721.
    Source Title
    International Journal of Sustainable Energy
    DOI
    10.1080/14786451.2013.770394
    ISSN
    1478-6451
    School
    Curtin Sarawak
    URI
    http://hdl.handle.net/20.500.11937/27383
    Collection
    • Curtin Research Publications
    Abstract

    Numerical models of a standard organic Rankine cycle (ORC) system and the heat exchangers comprising the system are developed as a design tool platform for a flexible design. The objective is design of an efficient, cost-effective ORC power plant that can effectively exploit low-grade industrial waste heat or low to medium-temperature geothermal fluid. Typical heat exchanger configurations were modelled, including the circular finned-tube evaporator, air-cooled condenser, and flat-plate preheater. A published ORC configuration and process conditions from experiments are used for the thermodynamic cycle analysis in order to validate of the system model. Heat transfer correlations and friction factors are described for the modelling of the heat exchangers. The simulation results of the ORC system provide the design requirements for the heat exchangers. Geometric specifications and performance of the heat exchangers are determined by iterative simulations.

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