Mathematical modelling of low-temperature ignition of small-sized coal particles

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Physical and predictive mathematical models of small-sized coal particles ignition in the conditions of rather low temperatures (less than 500 K) were developed. The model considers the interconnected processes of heat transfer in a particle and surrounding gas area, thermal decomposition of coal, diffusion of coal decomposition products (volatile components) and its oxidation reaction, warming of coke part (carbon) and its heterogeneous ignition. Mechanisms of volatile components gas-phase ignition and coke part of a coal particle heterogeneous ignition were investigated. The limit conditions for possible ignition of coal dust particles at rather low temperatures were determined according to the results of the executed numerical modeling. Approximating mathematical expressions for forecasting of low-temperature ignition characteristics of coal particles at the objects of industrial power engineering were formulated.

Original languageEnglish
Title of host publicationProceedings of 2014 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781479962211
DOIs
Publication statusPublished - 15 Dec 2014
Event2014 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2014 - Tomsk, Russian Federation
Duration: 16 Oct 201418 Oct 2014

Other

Other2014 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2014
CountryRussian Federation
CityTomsk
Period16.10.1418.10.14

Keywords

  • coal particle
  • heat and mass transfer
  • ignition
  • low-temperature air flow
  • mathematical modeling

ASJC Scopus subject areas

  • Mechanical Engineering
  • Electrical and Electronic Engineering
  • Control and Systems Engineering

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  • Cite this

    Glushkov, D. O., Strizhak, P. A., & Vershinina, K. Y. (2014). Mathematical modelling of low-temperature ignition of small-sized coal particles. In Proceedings of 2014 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2014 [6986878] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MEACS.2014.6986878