Quantitative acetylene measurements in laminar and turbulent flames using 1D Raman/Rayleigh scattering

Fuest, Frederik; Barlow, Robert S.; Magnotti, Gaetano; Dreizler, Andreas; Ekoto, Isaac W.; Sutton, Jeffrey A.

doi:10.1016/j.combustflame.2015.01.021

Title: Quantitative acetylene measurements in laminar and turbulent flames using 1D Raman/Rayleigh scattering

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Abstract

Our research presents the extension of the established detection of seven major species in 1D Raman/Rayleigh measurements to incorporate acetylene (C₂H₂) as an eighth species. Acetylene is an important soot precursor which is generated in hydrocarbon flames as an intermediate species following decomposition. It occurs over a broad temperature range in flames and has been identified as a potentially detectable species in 1D Raman/Rayleigh measurements. In this paper, we discuss the Raman spectral signature of acetylene, its temperature dependence, calibration procedures, and the interference with other Raman-active species, C₂ and broadband interferences, all of which are essential to quantify for accurate data processing. In this regard, Raman measurements in laminar and turbulent dimethyl ether flames were acquired. The data are spectrally analyzed and low-temperature calibrations of the Raman response are combined with an extrapolation model for high temperatures in order to place the acetylene signals on an absolute scale. Single-shot and conditional-mean values are presented as a function of mixture fraction for a laminar partially-premixed DME/air flame. Measurements from the laminar flame are compared to a 1D laminar flame calculation to assess the accuracy of the calibration and analysis procedures. Furthermore, detection limits, signal-to-noise, and signal-to-interference ratio of the C₂H₂more »« less

Authors:

Fuest, Frederik ^[1]; Barlow, Robert S. ^[2]; Magnotti, Gaetano ^[2]; Dreizler, Andreas ^[3]; Ekoto, Isaac W. ^[2]; Sutton, Jeffrey A. ^[1]

The Ohio State Univ., Columbus, OH (United States)
Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Technical Univ. of Darmstadt (Germany)

Publication Date:: Tue Feb 17 00:00:00 EST 2015

Research Org.:: Energy Frontier Research Centers (EFRC) (United States). Combustion Energy Frontier Research Center (CEFRC)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences, and Biosciences Division

OSTI Identifier:: 1369847

Alternate Identifier(s):: OSTI ID: 1246749

Grant/Contract Number:: SC0001198; AC04-94-AL85000

Resource Type:: Accepted Manuscript

Journal Name:: Combustion and Flame

Additional Journal Information:: Journal Volume: 162; Journal Issue: 5; Related Information: CEFRC partners with Princeton University (lead); Argonne National Laboratory; University of Connecticut; Cornell University; Massachusetts Institute of Technology; University of Minnesota; Sandia National Laboratories; University of Southern California; Stanford University; University of Wisconsin, Madison; Journal ID: ISSN 0010-2180

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Raman spectroscopy; Acetylene; Dimethyl ether; Combustion diagnostics

Citation Formats


                    Fuest, Frederik, Barlow, Robert S., Magnotti, Gaetano, Dreizler, Andreas, Ekoto, Isaac W., and Sutton, Jeffrey A. Quantitative acetylene measurements in laminar and turbulent flames using 1D Raman/Rayleigh scattering.  United States: N. p., 2015. 
Web.  doi:10.1016/j.combustflame.2015.01.021.

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                    Fuest, Frederik, Barlow, Robert S., Magnotti, Gaetano, Dreizler, Andreas, Ekoto, Isaac W., & Sutton, Jeffrey A. Quantitative acetylene measurements in laminar and turbulent flames using 1D Raman/Rayleigh scattering.  United States.  https://doi.org/10.1016/j.combustflame.2015.01.021

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                    Fuest, Frederik, Barlow, Robert S., Magnotti, Gaetano, Dreizler, Andreas, Ekoto, Isaac W., and Sutton, Jeffrey A. Tue .  
"Quantitative acetylene measurements in laminar and turbulent flames using 1D Raman/Rayleigh scattering".  United States.  https://doi.org/10.1016/j.combustflame.2015.01.021.  https://www.osti.gov/servlets/purl/1369847.

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@article{osti_1369847,

  title        = {Quantitative acetylene measurements in laminar and turbulent flames using 1D Raman/Rayleigh scattering},

  author       = {Fuest, Frederik and Barlow, Robert S. and Magnotti, Gaetano and Dreizler, Andreas and Ekoto, Isaac W. and Sutton, Jeffrey A.},

  abstractNote = {Our research presents the extension of the established detection of seven major species in 1D Raman/Rayleigh measurements to incorporate acetylene (C2H2) as an eighth species. Acetylene is an important soot precursor which is generated in hydrocarbon flames as an intermediate species following decomposition. It occurs over a broad temperature range in flames and has been identified as a potentially detectable species in 1D Raman/Rayleigh measurements. In this paper, we discuss the Raman spectral signature of acetylene, its temperature dependence, calibration procedures, and the interference with other Raman-active species, C2 and broadband interferences, all of which are essential to quantify for accurate data processing. In this regard, Raman measurements in laminar and turbulent dimethyl ether flames were acquired. The data are spectrally analyzed and low-temperature calibrations of the Raman response are combined with an extrapolation model for high temperatures in order to place the acetylene signals on an absolute scale. Single-shot and conditional-mean values are presented as a function of mixture fraction for a laminar partially-premixed DME/air flame. Measurements from the laminar flame are compared to a 1D laminar flame calculation to assess the accuracy of the calibration and analysis procedures. Furthermore, detection limits, signal-to-noise, and signal-to-interference ratio of the C2H2 measurement are discussed, and single-shot measurements of acetylene in a turbulent DME/air jet flame are demonstrated.},

  doi          = {10.1016/j.combustflame.2015.01.021},

  journal      = {Combustion and Flame},

  number       = 5,

  volume       = 162,

  place        = {United States},

  year         = {Tue Feb 17 00:00:00 EST 2015},

  month        = {Tue Feb 17 00:00:00 EST 2015}

}

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