A detailed pyrolysis model for a thermally large biomass particle

FUEL

卷:278

Article

Li, Xiyan¹  Yin, Chungen¹  Kaer, Soren Knudsen¹  Condra, Thomas¹ 

[1] Aalborg Univ, Dept Energy Technol, Pontoppidanstr 111, Aalborg, Denmark

关键词: Biomass;    CFD;    Finite volume method;    Pyrolysis;   

DOI  :  10.1016/j.fuel.2020.118397

来源: Elsevier

【 摘 要 】

Pyrolysis of a single biomass pellet involves multiple processes, such as evaporation, decomposition, flow field changes, shrinking or swelling. These processes can be simulated by consolidating pyrolysis theories and computational fluid dynamics. In this paper, a one-dimensional transient model is formulated in a C + + code to simulate the process of pyrolysis of a single biomass pellet. Experimental data from the literature is used to validate this model. This paper presents detailed modelling results for a single biomass pellet under pyrolysis in nitrogen. The model can determine the temperature distribution at different locations at any certain time, and the temperature distribution, at the same location, over time. In this paper, the focus is on how different parameters develop with time within the biomass pellet.

【 授权许可】

Free