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On the Response of Nascent Soot Nanostructure and Oxidative Reactivity to Photoflash Exposure

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  • Wei Wang

    (Key Laboratory of Thermal Control of Electronic Equipment, Ministry of Industry and Information Technology, Nanjing University of Science and Technology, Nanjing 210094, China
    Advanced Combustion Laboratory, School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China)

  • Dong Liu

    (Key Laboratory of Thermal Control of Electronic Equipment, Ministry of Industry and Information Technology, Nanjing University of Science and Technology, Nanjing 210094, China
    Advanced Combustion Laboratory, School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China)

  • Yaoyao Ying

    (Key Laboratory of Thermal Control of Electronic Equipment, Ministry of Industry and Information Technology, Nanjing University of Science and Technology, Nanjing 210094, China
    Advanced Combustion Laboratory, School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China)

  • Guannan Liu

    (Key Laboratory of Thermal Control of Electronic Equipment, Ministry of Industry and Information Technology, Nanjing University of Science and Technology, Nanjing 210094, China
    Advanced Combustion Laboratory, School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China)

  • Ye Wu

    (Key Laboratory of Thermal Control of Electronic Equipment, Ministry of Industry and Information Technology, Nanjing University of Science and Technology, Nanjing 210094, China
    Advanced Combustion Laboratory, School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China)

Abstract

Soot particles are a kind of major pollutant from fuel combustion. To enrich the understanding of soot, this work focuses on investigating detailed influences of instantaneous external irradiation (conventional photoflash exposure) on nanostructure as well as oxidation reactivity of nascent soot particles. By detailed soot characterizations flash can reduce the mass of soot and soot nanostructure can be reconstructed substantially without burning. After flash, the degree of soot crystallization increases while the soot reactive rate decreases and the activation energy increases. In addition, nanostructure and oxidative reactivity of soot in air and Ar after flash are different due to their different thermal conductivities.

Suggested Citation

  • Wei Wang & Dong Liu & Yaoyao Ying & Guannan Liu & Ye Wu, 2017. "On the Response of Nascent Soot Nanostructure and Oxidative Reactivity to Photoflash Exposure," Energies, MDPI, vol. 10(7), pages 1-11, July.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:7:p:961-:d:104203
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    References listed on IDEAS

    as
    1. Gianluigi De Falco & Giulia Moggia & Mariano Sirignano & Mario Commodo & Patrizia Minutolo & Andrea D’Anna, 2017. "Exploring Soot Particle Concentration and Emissivity by Transient Thermocouples Measurements in Laminar Partially Premixed Coflow Flames," Energies, MDPI, vol. 10(2), pages 1-12, February.
    2. Seung Hyun Yoon & Seung Chul Han & Chang Sik Lee, 2013. "Effects of High EGR Rate on Dimethyl Ether (DME) Combustion and Pollutant Emission Characteristics in a Direct Injection Diesel Engine," Energies, MDPI, vol. 6(10), pages 1-11, October.
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    4. Weijie Yan & Dongmei Chen & Zuomei Yang & Enyu Yan & Peitao Zhao, 2017. "Measurement of Soot Volume Fraction and Temperature for Oxygen-Enriched Ethylene Combustion Based on Flame Image Processing," Energies, MDPI, vol. 10(6), pages 1-16, May.
    5. Evangelos G. Giakoumis & Alexandros T. Zachiotis, 2017. "Investigation of a Diesel-Engined Vehicle’s Performance and Emissions during the WLTC Driving Cycle—Comparison with the NEDC," Energies, MDPI, vol. 10(2), pages 1-19, February.
    6. Yaoyao Ying & Chenxuan Xu & Dong Liu & Bo Jiang & Pengfei Wang & Wei Wang, 2017. "Nanostructure and Oxidation Reactivity of Nascent Soot Particles in Ethylene/Pentanol Flames," Energies, MDPI, vol. 10(1), pages 1-16, January.
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    Cited by:

    1. Duan, Jiaqi & Ying, Yaoyao & Liu, Dong, 2019. "Novel nanoscale control on soot formation by local CO2 micro-injection in ethylene inverse diffusion flames," Energy, Elsevier, vol. 179(C), pages 697-708.
    2. Bo Jiang & Pengfei Wang & Yaoyao Ying & Minye Luo & Dong Liu, 2018. "Nanoscale Characteristics and Reactivity of Nascent Soot from n -Heptane/2,5-Dimethylfuran Inverse Diffusion Flames with/without Magnetic Fields," Energies, MDPI, vol. 11(7), pages 1-21, July.

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