Investigation of the effects of biodiesel aging on the degradation of common rail fuel injection systems
| Autor: | Yutaka IIda, Savas Geivanidis, Julien Bouilly, Ali Mohammadi, Elias Saltas, Zissis Samaras |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Biodiesel
Acid value Common rail business.industry 020209 energy General Chemical Engineering Organic Chemistry Automotive industry Energy Engineering and Power Technology 02 engineering and technology Injector Fuel injection law.invention Diesel fuel 020303 mechanical engineering & transports Fuel Technology 0203 mechanical engineering law 0202 electrical engineering electronic engineering information engineering Environmental science Degradation (geology) business Process engineering |
| Zdroj: | Fuel. 200:357-370 |
| ISSN: | 0016-2361 |
| Popis: | Subject of this study is the parametric investigation of the effect of biodiesel aging on the formation of deposits inside common rail Fuel Injection Equipment (FIE). The parameters investigated are key fuel properties and their degradation rate, FAME composition as well as FIE component design. Fuel degradation and deposit formation is simulated in a prototype FIE test rig. A market study was initially performed to monitor market diesel fuel quality in Europe. The sensitivity of the FIE to FAME concentration was investigated with market B7 and B20 test fuel. B20 pre-aging and fuel enhancement with anti-oxidant were studied to assess the impact of fuel degradation speed and level relatively to deposit formation. A selection of EU market B7 fuels with different fresh fuel properties and FAME composition, were comparatively evaluated on the rig as regards their impact on injection flow and pump response deterioration together with their tendency to form deposits. Test rig operation with 2 different injector designs was utilized to further investigate deposit sensitivity. Injection flow deterioration and internal deposits were affected by injector design and fuel aging speed and were found to be related to Total Acid Number. A correlation between initial B7 Rancimat IP and FIE failure due to fuel aging was identified. The methodology developed is proposed as reference test for the evaluation of current and future automotive fuels as regards their tendency to form deposits. |
| Databáze: | OpenAIRE |
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