The research discussed in this paper revealed a strong correlation between the base number and deposit formation. Also, the anti-oxidation performance and sludge production correlation was clarified. The results of NOx (nitric oxide) bubbling tests and engine bench tests showed that the main factors in the deterioration of base number and anti-oxidation performance are heat, air, NOx and unburned fuel. Detailed analysis indicated that the rate of deterioration of base number and anti-oxidation performance could be expressed as formulas. The use of these deterioration rate formulas to calculate the deterioration in base number and anti-oxidation performance in a real engine showed that the formulas could be employed in a monitoring system. The use of these estimation methods of base number and anti-oxidation performance by the engine control unit would enable onboard estimation of oil deterioration.


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    Titel :

    Study of base number and anti-oxidation performance estimation method for engine oil deterioration monitoring system


    Beteiligte:


    Erscheinungsdatum :

    2008


    Format / Umfang :

    10 Seiten, 13 Bilder, 4 Tabellen, 8 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





    F2008-09-026 STUDY OF BASE NUMBER AND ANTI-OXIDATION PERFORMANCE ESTIMATION METHOD FOR ENGINE OIL DETERIORATION MONITORING SYSTEM

    Maruyama, M. / Aikawa, K. / Yosuke, O. et al. | British Library Conference Proceedings | 2008


    Study of Base Number Estimation Method for Engine Oil Deterioration Monitoring System

    Maruyama, M. / Aikawa, K. / Society of Automotive Engineers of Japan | British Library Conference Proceedings | 2007


    Study on Method of Estimation of Anti-oxidation Performance for Engine Oil Deterioration Monitoring System

    Maruyama, M. / Okuyama, Y. / Aikawa, K. et al. | British Library Conference Proceedings | 2007


    Development of Engine Oil Deterioration Monitoring System Using Estimation Method of Oxidation Induction Time

    Aikawa, Koichiro / Maruyama, Masashi / Hoshikawa, Wataru et al. | SAE Technical Papers | 2007