From the data on the size of primary carbon particles formed in ethylene pyrolysis in a shock tube in the temperature range 2100–2800 K, calculation of their growth time and temperature is performed. It is shown that the growth time of primary nanosize soot particles does not exceed 7–10 μsec; they are heated up to temperatures hundreds of degrees higher than the gaseous-phase temperature, which is confirmed by the results of measuring the soot temperature.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 83, No. 3, pp. 430–432, May–June, 2010.
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Baranyshin, E.A. Solution of the inverse problem for the parameters of primary carbon nanoparticles from electron-microscopy data. J Eng Phys Thermophy 83, 452–455 (2010). https://doi.org/10.1007/s10891-010-0364-9
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DOI: https://doi.org/10.1007/s10891-010-0364-9