Experimental and modeling studies of exo-tetrahydrobicyclopentadiene and tetrahydrotricyclopentadiene pyrolysis at 1 and 30 atm

Wang, Hongyan; Zhang, Bofeng; Gong, Siyuan; Wang, Li; Zhang, Xiangwen; Liu, Guozhu

doi:10.1016/j.combustflame.2021.111536

Cited by 10 publications

(1 citation statement)

References 45 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Vandewiele et al found that the H-abstraction reaction by small molecular radicals plays an important role in the decomposition of JP-10 by reaction pathway analysis. The H-abstraction reaction between JP-10 and H, methyl, vinyl, ethyl, and allyl radicals was also taken into consideration in the model of Gao et al and Wang et al Therefore, the impact of radical concentration on the initial consumption of JP-10 by the H-abstraction reaction is important under supercritical conditions. The limitation is that the radicals in the pyrolysis under supercritical conditions cannot be detected in our experiment, so the concentration of radicals cannot be directly compared.…”

Section: Resultsmentioning

confidence: 99%

Pyrolysis and Coke Deposition of JP-10 with Decalin in Regenerative Cooling Channels

Wang

et al. 2022

Energy Fuels

Self Cite

View full text Add to dashboard Cite

The application of JP-10 (exo-tetrahydrodicyclopentadiene) in regenerative cooling channels is restrained by the severe coke deposition during its supercritical pyrolysis, while using hydrogen donors is one of the coke deposition suppression methods. To get new insights into the possible coke inhibition effect of the hydrogen donor under supercritical conditions, the pyrolysis and coke deposition of JP-10 in the presence of decalin at different concentrations (10−30 wt %) were experimentally examined in an electrically heated tube reactor at 4.0 MPa and 550−730 °C. The addition of decalin promotes the pyrolysis of JP-10, and the heat sink is maximumly improved from 2.87 to 3.21 MJ/kg (11.6%) at 730 °C, attributed to the higher conversion and mole yield of light alkenes. Meanwhile, the coke on the surface and in the bulk flow was maximumly reduced 43.0 and 31.8% with the addition of decalin, respectively. The coke deposition suppression is in agreement with the increased selectivity of stable precursors and the reduced content of polycyclic aromatic hydrocarbons (PAHs). On the basis of product distributions, decalin provides more free radicals to enhance the bimolecular reaction, then promotes the conversion of JP-10, and also provides active hydrogen radicals to restrain the formation of PAHs in the bulk flow and the radical growth of surface coke.

show abstract

Section: Resultsmentioning

confidence: 99%