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UPDATED 1 Sept: The EI library in London is temporarily closed to the public, as a precautionary measure in light of the ongoing COVID-19 situation. The Knowledge Service will still be answering email queries via email , or via live chats during working hours (09:15-17:00 GMT). Our e-library is always open for members here: eLibrary , for full-text access to over 200 e-books and millions of articles. Thank you for your patience.
Experimental investigation of the effect of corrosion in two piezo driven diesel injectors, Journal of the Energy Institute, 85 (4), 2012, pp 209 -219
In this study, the effect of corrosion on the injected fuel quantity and spray geometry was
investigated experimentally in two piezo driven common rail diesel injectors. First, the corrosive
environment that the injectors are exposed to inside the engine was experimentally realised.
Injector parts were subjected to several applications. Then, the first and the second injector parts
were kept at room temperature for 2 and 7 days respectively. Thus, the growth of corrosion rate in
time was observed. Finally, different examination steps on the nozzle parts were performed for the
cases before corrosion, after corrosion and after removal of the corrosion material. It was
observed that the injection quantities for the first and second nozzles after corrosion decreased
by 31?43 and 26?26% respectively, due to the deposits inside the injection holes. The injection
quantities for two nozzles increased by 3?93 and 5?68% respectively, due to the enlargement of
the holes after removal of corrosion deposits.
investigated experimentally in two piezo driven common rail diesel injectors. First, the corrosive
environment that the injectors are exposed to inside the engine was experimentally realised.
Injector parts were subjected to several applications. Then, the first and the second injector parts
were kept at room temperature for 2 and 7 days respectively. Thus, the growth of corrosion rate in
time was observed. Finally, different examination steps on the nozzle parts were performed for the
cases before corrosion, after corrosion and after removal of the corrosion material. It was
observed that the injection quantities for the first and second nozzles after corrosion decreased
by 31?43 and 26?26% respectively, due to the deposits inside the injection holes. The injection
quantities for two nozzles increased by 3?93 and 5?68% respectively, due to the enlargement of
the holes after removal of corrosion deposits.
