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    • University of Missouri-Kansas City
    • School of Graduate Studies (UMKC)
    • Theses and Dissertations (UMKC)
    • Dissertations (UMKC)
    • 2012 Dissertations (UMKC)
    • 2012 UMKC Dissertations - Freely Available Online
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    Modeling aerosols formed in the ring pack of a reciprocating piston

    Dallstream, Brian Ellis
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    [PDF] DallstreamModAerFor.pdf (3.964Mb)
    Date
    2012-05-17
    Format
    Thesis
    Metadata
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    Abstract
    The hydrocarbon emissions of an internal combustion engine are directly correlated with the engine's oil consumption. This oil consumption is associated with reverse blow-by, a condition in which gases flow past the ring-pack from the crankcase to the combustion chamber. This reverse blow-by breaks down the oil film on the cylinder walls and entrains oil particles in the gas flow during the downstroke of the piston. In this project a numerical model was developed that accurately describes the formation of aerosols in the ring pack by simulating the mechanisms by which oil globules are broken up, atomized, and entrained in a gas flowing through an orifice. The results of this numerical model are in good agreement with experimental values. Thus, this numerical model gives insight into the parameters that govern oil consumption. A discussion is also presented regarding the general applications of atomization and how past researchers have developed and advanced the theories of atomization. Included in this discussion is an introduction to past models of oil consumption and the conditions needed for aerosols to form within the ring-pack of a piston.
    Table of Contents
    Introduction -- Literature review -- CK Engineering -- Theoretical model for the test fixture -- Program structure -- Results -- Conclusion -- Future and extended research -- Appendix A. Correspondence from ATS Rheosystems to CK Engineering -- Appendix B. Results
    URI
    http://hdl.handle.net/10355/14199
    Degree
    Ph.D.
    Thesis Department
    Engineering (UMKC)
     
    Physics (UMKC)
     
    Collections
    • Physics and Astronomy Electronic Theses and Dissertations (UMKC)
    • Civil and Mechanical Engineering Electronic Theses and Dissertations (UMKC)
    • 2012 UMKC Dissertations - Freely Available Online

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