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Title: An experimental and kinetic modeling study on dimethyl carbonate (DMC) pyrolysis and combustion

Journal Article · · Combustion and Flame
 [1];  [1];  [2];  [3];  [4];  [4];  [5];  [6]
  1. Tsinghua Univ., Beijing (China). Center for Combustion Energy and Dept. of Thermal Engineering
  2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Combustion Research Facility
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  4. Univ. of Science and Technology of China, Hefei (China). National Synchrotron Radiation Lab.
  5. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Combustion Research Facility; Bielefeld Univ. (Germany). Dept. of Chemistry
  6. Tsinghua Univ., Beijing (China). Center for Combustion Energy and Dept. of Thermal Engineering; Princeton Univ., NJ (United States). Dept. of Mechanical and Aerospace Engineering

Because of the absence of C–C bonds and the large oxygen content in its molecular structure, dimethyl carbonate (DMC) is a promising oxygenated additive or substitute for hydrocarbon fuels. In order to understand its chemical oxidation and combustion kinetics, flow reactor pyrolysis at different pressures (40, 200 and 1040 mbar) and low-pressure laminar premixed flames with different equivalence ratios (1.0 and 1.5) were investigated. Mole fraction profiles of many reaction intermediates and products were obtained within estimated experimental uncertainties. From theoretical calculations and estimations, a detailed kinetic model for DMC pyrolysis and high-temperature combustion consisting of 257 species and 1563 reactions was developed. The performance of the kinetic model was then analyzed using detailed chemical composition information, primarily from the present measurements. In addition, it was examined against the chemical structure of an opposed-flow diffusion flame, relying on global combustion properties such as the ignition delay times and laminar burning velocities. Furthermore, these extended comparisons yielded overall satisfactory agreement, demonstrating the applicability of the present model over a wide range of high-temperature conditions.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Combustion Energy Frontier Research Center (CEFRC); Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC04-94AL85000; SC0001198; AC52-07NA27344; AC02-05CH11231; AC04-94-AL85000
OSTI ID:
1338385
Alternate ID(s):
OSTI ID: 1249638; OSTI ID: 1785924
Report Number(s):
SAND2016-12481J; LLNL-JRNL-738000; 649817
Journal Information:
Combustion and Flame, Vol. 164, Issue C; ISSN 0010-2180
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 61 works
Citation information provided by
Web of Science

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