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    Waste Heat Recovery From a Compression Ignition Engine using a Combined Diesel Particulate Filter Heat Exchanger

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    Spickler_ku_0099M_16365_DATA_1.pdf (4.876Mb)
    Issue Date
    2019-05-31
    Author
    Spickler, Bailey Ann
    Publisher
    University of Kansas
    Format
    232 pages
    Type
    Thesis
    Degree Level
    M.S.
    Discipline
    Mechanical Engineering
    Rights
    Copyright held by the author.
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    Abstract
    Compression ignition (CI) engines have been a figurehead in the transportation industry for decades. However, as environmental regulations dictate increasingly strict emissions guidelines for engines, technologies must accordingly advance. To this end, this thesis describes the work of validating a combined diesel particulate filter heat exchanger (DPFHX) for CI engine exhaust waste heat recovery (WHR) in a Rankine Cycle (RC), a concept introduced in the first chapter of this thesis. The second chapter includes a comprehensive literature review, indicating the increasing prevalence of WHR in the literature. Additionally, with RC as the principal system for WHR and engine exhaust as the primary heat source, this research is exceptionally relevant. Furthermore, the primary aspects of an RC WHR system requiring individual optimization are the heat exchangers and expanders along with working fluid selection. As such, the third chapter discusses experiments to analyze and compare the DPFHX with various working fluids; thus, incorporating the literature trends of working fluid comparison and component specificity in the methodology. Consequently, in the DPFHX, water achieved a higher heat transfer rate by over 60% than the 50% by volume mixture of water and ethylene glycol, the two optimal working fluids in the apparatus without DPF cores. However, alterations made to the DPF cores’ outer diameters and lengths when installing them in the heat exchanger tubes prevented them from achieving the expected outcome (i.e., improving apparatus performance). Finally, the fourth chapter links the conclusions from this work to recommendations for future efforts to investigate DPFHXs.
    URI
    http://hdl.handle.net/1808/29693
    Collections
    • Engineering Dissertations and Theses [1055]
    • Theses [3797]

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    785-864-8983

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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