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A Study of the Clean-Up Activity of a High-Performance Diesel Fuel Detergent in IDI Engines
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English
Abstract
Almost all published work involving injector nozzle cleanliness has been performed by means of keep-clean tests. Another area of interest in the performance of detergents is that of clean-up, which is the ability of a detergent to remove excessive deposits built up in previous service. A study is now reported in which the degree of clean-up is established for a modern commercial detergent used in a low-sulphur diesel fuel. Measurements are presented from a bench engine and also from road vehicles operated under controlled urban driving conditions. Substantial clean-up is demonstrated using detergent treat-rates representative of modern formulation technology, regaining the state of cleanliness that provides optimum performance of the injection equipment. The fouling levels after clean-up are comparable with the results of keep-clean tests, run under identical conditions. Accumulated driving distance and fuel usage to provide this clean-up effect are also discussed. The reductions in fouling are then used to predict a reduction in vehicle exhaust emissions and better fuel economy, by comparison with the results of previous studies.
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Citation
Reading, K., "A Study of the Clean-Up Activity of a High-Performance Diesel Fuel Detergent in IDI Engines," SAE Technical Paper 961942, 1996, https://doi.org/10.4271/961942.Also In
References
- The role of detergent additives in diesel fuels Reading K. Inst. Mech. Eng. Seminar Proc. 1990 85
- Fouling of automotive diesel injectors - test procedure, influence of diesel oil and additives Montagne X. Herrier D. Guilbet J.C. SAE 872118
- Procedure for ranking the propensity of diesel fuels to form deposits within pintle nozzles Browne K.R. Draper D.E. Greeves G. Second CEC Aut. Fuels and Lubs. Symp. 1985
- A procedure for the assessment of pintle nozzle injector blockage in indirect injection diesel engines Reynolds E.G. SAE 861409
- Use of dispersants/detergents in diesel injector keep-clean and clean-up studies Herbstman S. Virk K. SAE 912330
- The use of concentration response maps to study the activity of a high-performance diesel fuel detergent Reading K. Tomassen H.P.M. Evans T.M. SAE 922187
- Benefits of multifunctional diesel fuel additives demonstrated in a fleet test Kochler D.E. Doglio J.A. SAE 872146
- A chassis dynamometer study of the effects of AGO detergent and ignition improver on vehicle fuel consumption Reading K. Evans T. M. SAE 942012
- The effects of fuel detergents on nozzle fouling and emissions in IDI diesel engines Reading K. Roberts D.D. Evans T.M. SAE 912328
- A fuel additive concentrate for removal of injector deposits in light duty diesels Olsen R.E. Ingham M.C. Parsons G.M. SAE 841349