Study on the reactions and alkali metals radiation characteristics from different coal ranks of a single coal particle flame

This paper deals with the evaluation of the combustion intensity of coal particles on the basis of measurement data (UV radiation) from a scanning point photodiode. UV radiation is measured using a custom UV scanner at different distances from the burner in the vertical combustion chamber. The designed scanner uses a sensitive silicon carbide (SiC) photodiode, and its dynamical properties are investigated in the present work. Subsequently, experiments are performed for coal particles at different combustion temperatures and at different measuring locations of the scanner. The measurement data are processed in the frequency domain using the proposed algorithm, and two indicators for evaluating the combustion intensity are proposed. The obtained results show that the proposed indicators provide unequivocal information about the combustion intensity as a function of the combustion temperature.

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Study on the reactions and alkali metals radiation characteristics from different coal ranks of a single coal particle flame

Cited by 3 publications

References 32 publications

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Molecular simulation of the slurrying mechanism in microplastic semi-coke water slurry

Ignition characteristics and alkali metal release behaviors of single-particle coal in O2/CO2 or O2/N2 atmospheres using optical diagnostic technology

Indicators for Assessing the Combustion Intensity of Coal Particles Using a Single UV Sensor

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