A full spectrum k-distribution based non-gray radiative property model for fly ash particles

•A non-gray model based on weighted sum of gray particles is proposed.•Weighting factor and absorption efficiency are obtained from the k-distribution.•The model is valid for particle size of 1–150 µm, temperature of 500–2500 K.•Error less than 8% is achieved for non-isothermal inhomogeneous particl...

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Veröffentlicht in:	International journal of heat and mass transfer Jg. 118; S. 103 - 115
Hauptverfasser:	Guo, Junjun, Hu, Fan, Luo, Wei, Li, Pengfei, Liu, Zhaohui
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Oxford Elsevier Ltd 01.03.2018 Elsevier BV
Schlagworte:	Absorption Computer simulation Fluidized bed combustion Fly ash Heat flux Heat transfer K-distribution Mathematical models Model accuracy Non-gray particle radiation Oxy-fuel combustion Predictions Radiative heat transfer Refractivity Scattering Studies k-Distribution Non-gray particle radiation Oxy-fuel combustion Radiative heat transfer
ISSN:	0017-9310, 1879-2189
Online-Zugang:	Volltext
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