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    Heavy Fuel Oil Combustion Characteristics Evaluation in Various Swirling Flow Conditions

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    heavy fuel oil.pdf
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    Description:
    Accepted manuscript
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    Type
    Article
    Authors
    Pei, Xinyan
    Elhagrasy, Ayman.M
    Jiang, Long
    AlAhmadi, Kamal M.
    Saxena, Saumitra
    Roberts, William L. cc
    KAUST Department
    Clean Combustion Research Center
    Clean Combustion Research Center, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia; Faculty of Engineering Mataria. Helwan University, Cairo, 11795, Egypt
    Mechanical Engineering Program
    Physical Science and Engineering (PSE) Division
    Research and Development Department, Saudi Electricity Company, Thuwal, 23955-6900, Saudi Arabia
    high-pressure combustion (HPC) Research Group
    Date
    2021-03-31
    Online Publication Date
    2021-03-31
    Print Publication Date
    2021-07-01
    Submitted Date
    2020-04-27
    Permanent link to this record
    http://hdl.handle.net/10754/667081
    
    Metadata
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    Abstract
    Heavy fuel oil (HFO) is an economical fuel alternative for power generation as its low production cost and high energy density. However, its incomplete combustion induced by the presence of long-chain petroleum molecules in the fuel results in high levels of emissions. Here, we investigate the influence of the swirl flow on the combustion and emissions of a spray HFO swirling flame. To this end, HFO is sprayed into a hot swirling air, using an air-blast nozzle. The flame blowout limits are tested under different swirl flows. An investigation of the in-flame temperature fields, gaseous emissions including CO, CO2, O2, NOX, SOX, UHC (Unburned Hydrocarbon) and solid particles in the form of cenospheres are used to quantify the performance of the HFO combustion. The influence of the HFO swirling flame is tested under different conditions of global equivalence ratio, swirling number, and tangential and axial airflow rates. A comparison of two different flame regimes that fuel-jet dominate flame and air-driven vortex flows are investigated and compared in various swirling flow conditions. The results show that the tangent air is the primary factor for preheating and evaporating the fuel, thus defining the flame operating regimes.
    Citation
    Pei, X., Elhagrasy, A. ., Jiang, L., AlAhmadi, K. M., Saxena, S., & Roberts, W. (2021). Heavy Fuel Oil Combustion Characteristics Evaluation in Various Swirling Flow Conditions. Journal of Engineering for Gas Turbines and Power. doi:10.1115/1.4049774
    Sponsors
    The research reported in this publication was supported by Saudi Electricity Company under Grant Agreement number RGC/3/2741-01-01 and by King Abdullah University of Science and Technology (KAUST).
    Publisher
    ASME International
    Journal
    Journal of Engineering for Gas Turbines and Power
    DOI
    10.1115/1.4049774
    Additional Links
    https://asmedigitalcollection.asme.org/gasturbinespower/article/doi/10.1115/1.4049774/1096337/Heavy-Fuel-Oil-Combustion-Characteristics
    ae974a485f413a2113503eed53cd6c53
    10.1115/1.4049774
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program; Clean Combustion Research Center

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