Multi-Wavelength Speciation of High-Temperature 1 1-Butene Pyrolysis

Pinkowski, Nicolas H; Cassady, Sean J; Davidson, David F; Hanson, Ronald K; United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment; Stanford University

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Multi-Wavelength Speciation of High-Temperature 1 1-Butene Pyrolysis

2019-02-01
By Pinkowski, Nicolas H ; Cassady, Sean J ; Davidson, David F ; ...

English

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Details:

Creators:

Pinkowski, Nicolas H ; Cassady, Sean J ; Davidson, David F ; Hanson, Ronald K

Pinkowski, Nicolas H ; Cassady, Sean J ; Davidson, David F ; Hanson, Ronald K Less -
Corporate Creators:

United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment ; Stanford University

United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment ; Stanford University Less -
Corporate Contributors:

United States. Department of Transportation. Federal Aviation Administration. Office of Environment and Energy
Subject/TRT Terms:

[+]

1-butene Absorption Spectroscopy ASCENT Cross Sections Ethane Diagnostic High Temperature Hydrocarbon Based Materials Hydrocarbon Pyrolysis Laser Absorption Spectroscopy Laser Materials Shock (Mechanics) Shock Tubes Spectroscopy Time-resolved
Publication/ Report Number:

j.fuel.2019.01.154
Resource Type:

Manuscript
Geographical Coverage:

United States
Edition:

Journal Article
Corporate Publisher:

Elsevier
Abstract:

Species time-history measurements provide important kinetics targets for the development and validation of detailed reaction models. Here, a multi-wavelength, multi-species laser absorption strategy is demonstrated that provides high-bandwidth species time-histories during 1-butene pyrolysis behind reflected shock waves. Measured shock tube absorbance traces at nine wavelengths were used to resolve nine species mole fractions in the pyrolysis of 5% 1-butene in argon at 1300 K, 1.8 atm. In addition to existing sensors for 1-butene, methane, ethylene, 1,3-butadiene, propene, allene, benzene, and cyclopentadiene, a new laser absorption sensor for ethane at 3.3519 um was developed by measuring cross-sections of ethane and of expected major interferers. Additional measurements to complete a square absorption cross-section matrix were also performed that enabled the simultaneous solution of species mole fractions from absorbance time-histories under appropriate physical system constraints. Measured time-histories of the nine product species were also compared with existing flow-reactor-based kinetic mechanisms. The demonstrated method has further application potential in the speciation of larger, more complex fuels.
Content Notes:

This manuscript is made available under the Elsevier user license

https://www.elsevier.com/open-access/userlicense/1.0
Format:

PDF
Funding:

13-C-AFJE-SU-015, 17
Collection(s):

Federal Aviation Administration
Main Document Checksum:

[+]

urn:sha256:2e93c05b906d732f0cb2fc07c859d3594f260c45e013e7d2dd397c78aa5c39cb
Download URL:

https://rosap.ntl.bts.gov/view/dot/56941/dot_56941_DS1.pdf
File Type:

[PDF-2.72 MB]