Journal
COMBUSTION AND FLAME
Volume 162, Issue 9, Pages 3277-3287Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.combustflame.2015.05.017
Keywords
n-Pentanol; Flow reactor pyrolysis; Laminar premixed flame; SVUV-PIMS; Kinetic model
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Funding
- Natural Science Foundation of China [51476155, U1332208]
- National Basic Research Program of China (973 Program) [2013CB834602]
- Anhui Provincial Natural Science Foundation [1408085J09]
- Chinese Universities Scientific Fund [WK2320000020]
- Chinese Academy of Sciences
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The flow reactor pyrolysis of n-pentanol at 30, 150, and 760 Torr and laminar premixed flames of n-pentanol with equivalence ratios of 0.7 and 1.8 at 30 Torr are investigated using the synchrotron vacuum ultraviolet photoionization mass spectrometry (SVUV-PIMS). The pyrolysis products and flame species are identified and the mole fraction profiles are measured. A detailed kinetic model of n-pentanol is developed and validated on the new experimental results. The C-C bond dissociation reactions play a significant role in the pyrolysis of n-pentanol. The contribution of the water elimination reaction becomes less important in the pyrolysis of n-pentanol than in the pyrolysis of n-butanol. Olefins and CnH2nO species are found to be the two major product families in the pyrolysis and combustion of n-pentanol, and specific products are also observed for most of the H-atom abstraction reactions of n-pentanol. The model is further validated on the experimental data of n-pentanol combustion in literature, including the species profiles in jet-stirred reactor oxidation, the laminar flame speeds and ignition delay times. (C) 2015 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
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