Investigation on the Thermal Decomposition of Cyclic Hydrocarbons with the Shock Tube Technique

Investigation on the Thermal Decomposition of Cyclic Hydrocarbons with the Shock Tube Technique

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Investigation on the Thermal Decomposition of Cyclic Hydrocarbons with the Shock Tube Technique
  • Investigation on the Thermal Decomposition of Cyclic Hydrocarbons with the Shock Tube Technique
  • Investigation on the Thermal Decomposition of Cyclic Hydrocarbons with the Shock Tube Technique
Investigation on the Thermal Decomposition of Cyclic Hydrocarbons with the Shock Tube Technique

Investigation on the Thermal Decomposition of Cyclic Hydrocarbons with the Shock Tube Technique

$50.00
$50.00
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The reactions involving aromatic hydrocarbons play a crucial role in the combustion chemistry for the formation and growth of polyaromatic hydrocarbons (PAHs). In this work, the thermal decomposition of the single ring aromatics benzene, phenyl and ortho-benzyne have been investigated behind reflected shock waves by using a sensitive detection technique - Atomic Resonance Absorption Spectroscopy (ARAS). The unimolecular decomposition of ortho-benzyne was investigated behind reflected shock waves by taking 1,2-diiodobenzene as the thermal source. The initial concentration of ortho-benzyne was determined in situ with I-ARAS. Simultaneously, the progress of reaction was monitored by measuring the produced H atoms with H-ARAS. By reproducing the experimental H atom concentration time profiles, a two channel decomposition model of ortho-benzyne was developed. By investigating the thermal decomposition of phenyl and benzene, a complete detailed chemical reaction model was elaborated which is able to capture the measured H atom concentration profiles over the whole investigated parameter range. Thus, the present work may contribute to a better understanding and describing of high temperature combustion of aromates which are considered as major soot precursors.