Possible Influence of High Injection Pressure on Diesel Fuel Stability: A Review and Preliminary Study
Date Published: 2009-06-15
Paper Number:2009-01-1878
DOI: 10.4271/2009-01-1878
Citation:
Cook, S. and Richards, P., "Possible Influence of High Injection Pressure on Diesel Fuel Stability: A Review and Preliminary Study," SAE Technical Paper 2009-01-1878, 2009, doi:10.4271/2009-01-1878.
Recent developments in diesel engines and fuel injection equipment combined with the change to ULSD and bio-blends have resulted in increased reports regarding deposits within injectors and filters.
A review of known fuel degradation mechanisms and other relevant chemistries suggests the effects of high pressure and high shear environments should be examined as the most probable causes of increasing deposit formation. Existing fuel quality tests do not correlate with reported fouling propensity. Analytical studies have shown that there are only subtle chemical changes for the materials within the standard diesel boiling range. The implications for further scientific study are discussed.
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