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Procedure for in-fly particle temperature detection under combustion conditions

Author

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  • Sładek, Sławomir
  • Katelbach-Woźniak, Anna
  • Adamczyk, Wojciech P.
  • Klimanek, Adam
  • Korus, Agnieszka
  • Szlęk, Andrzej

Abstract

The experimental test rig for evaluating the diameter and mass loss of burning pulverized coal char particles has been extended by providing in-fly particle temperature measurement technique based on two-color pyrometry. Due to the use of two fast cameras it was possible to detect temperature simultaneously with particle tracking in test chamber. The proper resolution of the cameras and focal length of the lenses allow to measure temperature distribution at the surface of individual particles. Procedures for calibration and temperature measurements have been developed and described. Preliminary measurements were made for two types of coal (lignite and hard coal) in two oxygen concentrations (15% and 21%) and gas temperature of 1000∘C.

Suggested Citation

  • Sładek, Sławomir & Katelbach-Woźniak, Anna & Adamczyk, Wojciech P. & Klimanek, Adam & Korus, Agnieszka & Szlęk, Andrzej, 2020. "Procedure for in-fly particle temperature detection under combustion conditions," Energy, Elsevier, vol. 191(C).
    • Handle: RePEc:eee:energy:v:191:y:2020:i:c:s036054421932105x
    DOI: 10.1016/j.energy.2019.116410
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    References listed on IDEAS

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    1. Chen, Wei-Hsin & Wu, Jheng-Syun, 2009. "An evaluation on rice husks and pulverized coal blends using a drop tube furnace and a thermogravimetric analyzer for application to a blast furnace," Energy, Elsevier, vol. 34(10), pages 1458-1466.
    2. Adamczyk, Wojciech P. & Bialecki, Ryszard A. & Ditaranto, Mario & Gladysz, Pawel & Haugen, Nils Erland L. & Katelbach-Wozniak, Anna & Klimanek, Adam & Sladek, Slawomir & Szlek, Andrzej & Wecel, Gabrie, 2017. "CFD modeling and thermodynamic analysis of a concept of a MILD-OXY combustion large scale pulverized coal boiler," Energy, Elsevier, vol. 140(P1), pages 1305-1315.
    3. Pawlak-Kruczek, Halina & Ostrycharczyk, Michał & Czerep, Michał & Baranowski, Marcin & Zgóra, Jacek, 2015. "Examinations of the process of hard coal and biomass blend combustion in OEA (oxygen enriched atmosphere)," Energy, Elsevier, vol. 92(P1), pages 40-46.
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    1. Sładek, Sławomir & Korus, Agnieszka & Klimanek, Adam & Karchniwy, Ewa & Adamczyk, Wojciech P. & Szlęk, Andrzej, 2022. "Measurements of surface temperature distributions on coal dust particles," Energy, Elsevier, vol. 243(C).

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