Measurements of Nitrile Rubber Absorption of Hydrocarbons: Trends for Sustainable Aviation Fuel Compatibility

Faulhaber, Conor; Borland, Christopher; Boehm, Randall C; Heyne, Joshua; United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment; University of Dayton. Department of Mechanical and Aerospace Engineering

doi:10.1021/acs.energyfuels.3c00781

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Measurements of Nitrile Rubber Absorption of Hydrocarbons: Trends for Sustainable Aviation Fuel Compatibility

2023-06-01
By Faulhaber, Conor ; Borland, Christopher ; Boehm, Randall C ; ...

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Creators:

Faulhaber, Conor ; Borland, Christopher ; Boehm, Randall C ; Heyne, Joshua

Faulhaber, Conor ; Borland, Christopher ; Boehm, Randall C ; Heyne, Joshua Less -
Corporate Creators:

United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment ; University of Dayton. Department of Mechanical and Aerospace Engineering

United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment ; University of Dayton. Department of Mechanical and Aerospace Engineering Less -
Corporate Contributors:

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

[+]

Absorption Aromatic Compounds ASCENT Aviation Fuels Fossil Fuels Fuels Hydrocarbons
Publication/ Report Number:

acs.energyfuels.3c00781
DOI:

https://doi.org/10.1021/acs.energyfuels.3c00781
Resource Type:

Journal Article
Right Statement:

Open Access; https://creativecommons.org/licenses/by-nc-nd/4.0/
Geographical Coverage:

United States
Contracting Officer:

Oldani, Anna
Corporate Publisher:

American Chemical Society
Abstract:

he commercial aviation sector is seeking to reach net zero CO2 emissions by 2050, with sustainable aviation fuel (SAF) being the most important lever. However, SAF is currently limited by ASTM specifications to a maximum of 50%v blending with conventional jet fuel. One reason for the current blend limit is motivation to maintain o-ring swelling consistent with 100% petroleum fuel. This work explores the relationships between o-ring swelling of SAF blend components, model compounds, and various blends in nitrile rubber compared to conventional fuel swelling. Specifically, optical dilatometry measurements were used to gather swell propensity data for 39 different hydrocarbon dopants at 8%v in an iso-alkane solution, 4 dopants at 7 different concentrations, and 19 different fuels or fuel blends. This study also highlights the advantages of using swell measurements, such as those employed here, as a quality control metric instead of the current 8%v aromatics requirement. Notably, the potential is shown to maintain swelling in the conventional fuel range with fuels composed of less than 8%v aromatics.
Content Notes:

This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) license https://creativecommons.org/licenses/by/4.0/. Please cite this article as: Measurements of Nitrile Rubber Absorption of Hydrocarbons: Trends for Sustainable Aviation Fuel Compatibility Conor Faulhaber, Christopher Borland, Randall Boehm, and Joshua Heyne Energy & Fuels 2023 37 (13), 9207-9219. https://doi.org/10.1021/acs.energyfuels.3c00781
Format:

PDF
Funding:

13-C-AJFE-UD-026, 035
Collection(s):

Federal Aviation Administration
Main Document Checksum:

[+]

urn:sha256:b1e4ea45828347c9e08b13dcbd962d0c285c2dbccd5356bae0959d96e5632466
Download URL:

https://rosap.ntl.bts.gov/view/dot/68095/dot_68095_DS1.pdf
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Measurements of Nitrile Rubber Absorption of Hydrocarbons: Trends for Sustainable Aviation Fuel Compatibility

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