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    Double Compression Expansion Engine: A Parametric Study on a High-Efficiency Engine Concept

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    Type
    Conference Paper
    Authors
    Bhavani Shankar, Vijai Shankar
    Johansson, Bengt cc
    Andersson, Arne
    KAUST Department
    Physical Sciences and Engineering (PSE) Division
    Mechanical Engineering Program
    Clean Combustion Research Center
    Date
    2018-04-03
    Permanent link to this record
    http://hdl.handle.net/10754/627583
    
    Metadata
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    Abstract
    The Double compression expansion engine (DCEE) concept has exhibited a potential for achieving high brake thermal efficiencies (BTE). The effect of different engine components on system efficiency was evaluated in this work using GT Power simulations. A parametric study on piston insulation, convection heat transfer multiplier, expander head insulation, insulation of connecting pipes, ports and tanks, and the expander intake valve lift profiles was conducted to understand the critical parameters that affected engine efficiency. The simulations were constrained to a constant peak cylinder pressure of 300 bar, and a fixed combustion phasing. The results from this study would be useful in making technology choices that will help realise the potential of this engine concept.
    Citation
    Bhavani Shankar VS, Johansson B, Andersson A (2018) Double Compression Expansion Engine: A Parametric Study on a High-Efficiency Engine Concept. SAE Technical Paper Series. Available: http://dx.doi.org/10.4271/2018-01-0890.
    Publisher
    SAE International
    Journal
    SAE Technical Paper Series
    Conference/Event name
    2018 SAE World Congress Experience, WCX 2018
    DOI
    10.4271/2018-01-0890
    Additional Links
    https://saemobilus.sae.org/content/2018-01-0890
    ae974a485f413a2113503eed53cd6c53
    10.4271/2018-01-0890
    Scopus Count
    Collections
    Conference Papers; Physical Sciences and Engineering (PSE) Division; Mechanical Engineering Program; Clean Combustion Research Center

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