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    Study of spray structure from non-flash to flash boiling conditions with space-time tomography

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    Name:
    PROCI-D-19-01401R2-clean.pdf
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    2.467Mb
    Format:
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    Description:
    Accepted Manuscript
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    S1.avi
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    Type
    Article
    Authors
    Du, Jianguo cc
    Zang, Guangming cc
    Mohan, Balaji cc
    Idoughi, Ramzi cc
    Sim, Jaeheon cc
    Fang, Tiegang cc
    Wonka, Peter cc
    Heidrich, Wolfgang cc
    Roberts, William L. cc
    KAUST Department
    Clean Combustion Research Center
    Computational Imaging Group
    Computer Science Program
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Mechanical Engineering Program
    Physical Science and Engineering (PSE) Division
    Visual Computing Center (VCC)
    high-pressure combustion (HPC) Research Group
    Date
    2020-08-18
    Online Publication Date
    2020-08-18
    Print Publication Date
    2020-08
    Embargo End Date
    2022-08-18
    Submitted Date
    2019-11-05
    Permanent link to this record
    http://hdl.handle.net/10754/664662
    
    Metadata
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    Abstract
    Flash boiling and plume interaction are common phenomena occurring in gasoline direct injection (GDI) spray at throttling and low load engine conditions. Combined with optical engines and low-pressure vessels, several optical techniques, such as backlight imaging, Mie-scattering, and laser sheet imaging have been employed to study the flash boiling morphology. However, in the 2D images resulting from these techniques (projection views or planar imaging), the 3D information is lost. Those methods are then incapable of providing satisfactory information, especially for the study of multi-plume interaction in flash boiling spray, since multi-plume interaction is not a 2D event. This paper reports the implementation of a 4D tomographic reconstruction method from multi-view diffused back illumination (DBI) images, used for the first time in spray characterization. This cost-effective and time-saving method with a simple experimental setup clarifies the 3D spray structure and fuel trajectory change from non-flashing conditions to flare flash conditions, and quantifies the 3D characteristics of individual plumes in non-flash conditions.
    Citation
    Du, J., Zang, G., Mohan, B., Idoughi, R., Sim, J., Fang, T., … Roberts, W. L. (2020). Study of spray structure from non-flash to flash boiling conditions with space-time tomography. Proceedings of the Combustion Institute. doi:10.1016/j.proci.2020.06.171
    Sponsors
    This work was sponsored by Saudi Aramco under the FUELCOM II program, CCRC and VCC Center Competitive Funding, and Competitive Research Grants from KAUST.
    Publisher
    Elsevier BV
    Journal
    Proceedings of the Combustion Institute
    DOI
    10.1016/j.proci.2020.06.171
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S1540748920302601
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.proci.2020.06.171
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Computer Science Program; Mechanical Engineering Program; Clean Combustion Research Center; Visual Computing Center (VCC); Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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