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Shock Waves pp 603-608 | Cite as

Shock-tube study of acetaldehyde pyrolysis

  • Y. Hidaka
  • S. Kubo
  • T. Hoshikawa
  • H. Wakamatsu
Conference paper

Abstract

The high temperature pyrolysis of acetaldehyde was studied behind reflected shock waves using a single-pulse (reaction time between 1.5 and 2.9 ms), time-resolved IR-absorption (3.39 µm) and UV-absorption (200 nm) methods. The studies were done using mixtures, 5.0% CH3CHO, 4.0% CH3CHO and 2.0% CH3CHO diluted with Ar, in the temperature range 10002–1700 K at total pressures between 1.2 and 3.0 atm. Prom a computer-simulation study, a 58-reaction mechanism that could explain all our data was constructed. The rate constant expressions of reactions (1)–(11) at high temperatures in the CH3CHO pyrolysis were discussed. It was found that, under our experimental conditions, reactions (1), (3) and (4) played an important role as the initiation reaction and reactions (6) and (8) also played a role in the CH3CHO pyrolysis.

Keywords

Shock Tube Reflect Shock Wave Initiation Reaction High Temperature Pyrolysis JANAF Table 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Y. Hidaka
    • 1
  • S. Kubo
    • 1
  • T. Hoshikawa
    • 1
  • H. Wakamatsu
    • 1
  1. 1.Department of Chemistry, Faculty of ScienceEhime UniversityMatsuyamaJapan

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