Fuel, volume 317, pages 123533
Mechanistic study on oxidative degradation and deposition of exo-tetrahydrodicyclopentadiene
Ji Mi
1
,
Pengfei Jiang
1
,
Yitong Dai
2
,
Yiran Zhang
1
,
Chongkun Shao
1
,
Hujun Xie
3
,
Yongsheng Guo
1
,
Wen-Jun Fang
1
Publication type: Journal Article
Publication date: 2022-06-01
Organic Chemistry
General Chemical Engineering
Energy Engineering and Power Technology
Fuel Technology
Abstract
• The oxidation mechanism of exo -TCD at low temperature is comprehensively discussed. • The chirality of oxidative radicals brings diversity to the oxidation reactivity. • The radicals tend to participate the chain transfer reactions instead of termination. • The solubility of macromolecular species is decisive for the deposition of fuels. The advancement of propulsion systems accelerates the exploitation and application of various high-energy–density (HED) fuels, and yet severe oxidative-fouling hinders the adoption of such fuels in thermal-stressed conditions. In this work, we investigated the overall thermal-oxidative degradation and deposition process of a typical HED fuel, exo -tetrahydrodicyclopentadiene ( exo -TCD), known as JP-10 (NHOC = 39.6 MJ/L), with the presence of oxygen. The oxidation mechanism of exo -TCD at relatively low temperatures is illustrated on the basis of experimental and computational results. For the first time, the chirality of oxidation products has been discussed, revealing the potential impact of radical configuration on the oxidation process of exo -TCD. Besides, an in-depth investigation on the deposition formation process was carried out by analyzing the structure and composition of polymeric macromolecules with the assistance of TG-IR-GC/MS technique. The oxidative deposition of exo -TCD is illustrated with a three-step mechanism of “oxidation”, “polymerization”, and “deposition”. The solubility of macromolecular species formed upon oxidation is decisive for the deposition propensity of fuels. This work aims to provide a theoretical and methodological basis for the future study on the oxidative stability of HED fuels.
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Citations by publishers
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Elsevier
2 publications, 66.67%
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1 publication, 33.33%
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Mi J. et al. Mechanistic study on oxidative degradation and deposition of exo-tetrahydrodicyclopentadiene // Fuel. 2022. Vol. 317. p. 123533.
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Mi J., Jiang P., Dai Y., Zhang Y., Shao C., Xie H., Guo Y., Fang W. Mechanistic study on oxidative degradation and deposition of exo-tetrahydrodicyclopentadiene // Fuel. 2022. Vol. 317. p. 123533.
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TY - JOUR
DO - 10.1016/j.fuel.2022.123533
UR - https://doi.org/10.1016/j.fuel.2022.123533
TI - Mechanistic study on oxidative degradation and deposition of exo-tetrahydrodicyclopentadiene
T2 - Fuel
AU - Mi, Ji
AU - Jiang, Pengfei
AU - Dai, Yitong
AU - Zhang, Yiran
AU - Shao, Chongkun
AU - Xie, Hujun
AU - Guo, Yongsheng
AU - Fang, Wen-Jun
PY - 2022
DA - 2022/06/01 00:00:00
PB - Elsevier
SP - 123533
VL - 317
SN - 0016-2361
SN - 1873-7153
ER -
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@article{2022_Mi,
author = {Ji Mi and Pengfei Jiang and Yitong Dai and Yiran Zhang and Chongkun Shao and Hujun Xie and Yongsheng Guo and Wen-Jun Fang},
title = {Mechanistic study on oxidative degradation and deposition of exo-tetrahydrodicyclopentadiene},
journal = {Fuel},
year = {2022},
volume = {317},
publisher = {Elsevier},
month = {jun},
url = {https://doi.org/10.1016/j.fuel.2022.123533},
pages = {123533},
doi = {10.1016/j.fuel.2022.123533}
}