期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 47, 期 38, 页码 17022-17032出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2022.03.166
关键词
Endothermic hydrocarbon fuel; Pyrolysis product; Laminar flame speed; Composition effect; Hydrogen effect
资金
- National Key Research and Development
Experiments were conducted to determine the effects of composition distribution on the laminar flame speeds of various pyrolysis products. It was found that the compositions of pyrolysis gases were similar, while the compositions of pyrolysis liquids varied significantly under different cracking conditions. The laminar flame speeds of different pyrolysis products showed significant differences, which were related to both the pyrolysis gas content and the properties of the pyrolysis liquids.
Experiments are performed to determine the effects of composition distribution on the laminar flame speeds of various pyrolysis products. The compositions of the pyrolysis gases are found to be the same, with hydrogen, methane, and ethylene comprising the majority. However, the compositions of the pyrolysis liquids are quite different under various cracking conditions. The C-10-C-12 cycloalkanes and alkanes account for the majority of the composition when the conversion rate is relatively low (<= 0.072), while the C-6-C-8 aromatics and alkenes gradually become the dominant species with an increase in the conversion rate. Experimental results show that the laminar flame speeds of different pyrolysis gases (or different pyrolysis liquids) have a few discrepancies, although the pyrolysis conditions are quite different. However, the laminar flame speeds of different pyrolysis products show significant differences, which are found to be related to both the pyrolysis gas content and the properties of the pyrolysis liquids. (c) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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