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A Comparison of Vapor and Liquid Fuel Permeation of Fuel Systems Polymers
Technical Paper
1999-01-0380
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper addresses the disparity between liquid and vapor permeation through polymeric fuel line materials. The paper presents a methodology for assessing the vapor and fluid permeation rates of polyamide (PA) and polyvinyl-idene fluoride (PVDF) materials currently used in fuel delivery systems. The effect of single and multi component fuels on liquid and vapor permeation rates is studied. Permeation test results indicate a significant difference between liquid permeation rates and vapor permeation rates for these materials.
The associated issue of polymer component extraction, during fuel and vapor exposure, is also addressed. Qualitative and quantitative data on precipitable extracts is presented.
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Citation
Brahmi, A. and Wolf, R., "A Comparison of Vapor and Liquid Fuel Permeation of Fuel Systems Polymers," SAE Technical Paper 1999-01-0380, 1999, https://doi.org/10.4271/1999-01-0380.Also In
References
- Non Metallic Multilayer Fuel System Tubing SAE test procudure J1737
- Permeation and other losses from fuel tubes, hoses, fittings, and fuel line assemblies by fuel recirculation Proposed SAE test J1737
- Testing of Plastics Determination of the Percentage of Heat-Extractable Matter DIN53 738
- Diffusion In and Through Polymers Vieth Wolf R. Hanser Publishers 1991
- Transport and sorption properties of various barrier materials used in multilayer fuel line tubing in fuel components McNally T. McNally G.M. Byrne S.B. Murphy W.R. Gilipin I.