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An Optical Engine Used as a Physical Model for Studies of the Combustion Process Applying a Two-Color Pyrometry Technique

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  • Lis Corral-Gómez

    (Universidad de Castilla-La Mancha, Campus de Excelencia Internacional en Energía y Medioambiente, Instituto de Investigación Aplicada a la Industria Aeronáutica, Escuela de Ingeniería Industrial y Aeroespacial, Av. Carlos III, s/n, 45071 Toledo, Spain)

  • Octavio Armas

    (Universidad de Castilla-La Mancha, Campus de Excelencia Internacional en Energía y Medioambiente, Instituto de Investigación Aplicada a la Industria Aeronáutica, Escuela de Ingeniería Industrial y Aeroespacial, Av. Carlos III, s/n, 45071 Toledo, Spain)

  • José A. Soriano

    (Universidad de Castilla-La Mancha, Campus de Excelencia Internacional en Energía y Medioambiente, Instituto de Investigación Aplicada a la Industria Aeronáutica, Escuela de Ingeniería Industrial y Aeroespacial, Av. Carlos III, s/n, 45071 Toledo, Spain)

  • José V. Pastor

    (Universitat Politècnica de València, CMT-Motores Térmicos, Camino de Vera, s/n, 46022 Valencia, Spain)

  • José M. García-Oliver

    (Universitat Politècnica de València, CMT-Motores Térmicos, Camino de Vera, s/n, 46022 Valencia, Spain)

  • Carlos Micó

    (Universitat Politècnica de València, CMT-Motores Térmicos, Camino de Vera, s/n, 46022 Valencia, Spain)

Abstract

This work describes an experimental installation for the investigation of the combustion and injection processes. This installation is based on a two-stroke direct injection diesel engine with a total displacement of 3 L and a cylinder head equipped with three quartz windows. The windows are optical accesses that allow studying the process of injection, the atomization and evaporation of the fuel jet in an inert atmosphere (nitrogen), and the combustion process in a reactive atmosphere (ambient air). Additionally, the application of a two-color pyrometry technique to measure soot formation in this facility is presented. A methodological study is carried out regarding the influence of the dynamic range of the detectors and the wavelengths used. Maps of KL 2 C , flame temperature, and error probability are presented. The use of cameras with high dynamic range provides better results since the system seems to be less sensitive to measurement noise, and fewer points are obtained with a non-physical solution. Moreover, an appropriate combination of interference filters can improve the reliability of the solution. The greater the difference between the wavelengths of both interference filters, the fewer points with a non-physical solution, which improves the reliability of results.

Suggested Citation

  • Lis Corral-Gómez & Octavio Armas & José A. Soriano & José V. Pastor & José M. García-Oliver & Carlos Micó, 2022. "An Optical Engine Used as a Physical Model for Studies of the Combustion Process Applying a Two-Color Pyrometry Technique," Energies, MDPI, vol. 15(13), pages 1-17, June.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:13:p:4717-:d:849229
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    References listed on IDEAS

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    1. Payri, Raul & Gimeno, Jaime & Bardi, Michele & Plazas, Alejandro H., 2013. "Study liquid length penetration results obtained with a direct acting piezo electric injector," Applied Energy, Elsevier, vol. 106(C), pages 152-162.
    2. Neves, Renato Cruz & Klein, Bruno Colling & da Silva, Ricardo Justino & Rezende, Mylene Cristina Alves Ferreira & Funke, Axel & Olivarez-Gómez, Edgardo & Bonomi, Antonio & Maciel-Filho, Rubens, 2020. "A vision on biomass-to-liquids (BTL) thermochemical routes in integrated sugarcane biorefineries for biojet fuel production," Renewable and Sustainable Energy Reviews, Elsevier, vol. 119(C).
    3. Zhang, Ji & Jing, Wei & Roberts, William L. & Fang, Tiegang, 2013. "Soot temperature and KL factor for biodiesel and diesel spray combustion in a constant volume combustion chamber," Applied Energy, Elsevier, vol. 107(C), pages 52-65.
    4. Pastor, José V. & García, Antonio & Micó, Carlos & Lewiski, Felipe, 2020. "An optical investigation of Fischer-Tropsch diesel and Oxymethylene dimethyl ether impact on combustion process for CI engines," Applied Energy, Elsevier, vol. 260(C).
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    Cited by:

    1. Lis Corral-Gómez & Francisco J. Martos & Pablo Fernández-Yáñez & Octavio Armas, 2023. "A CFD Modelling Approach of Fuel Spray under Initial Non-Reactive Conditions in an Optical Engine," Energies, MDPI, vol. 16(18), pages 1-16, September.

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