Performance of an Advanced Synthetic Diesel Engine Oil

Kelly, Kerry J.; Kennedy, S.; Spagnoli, J. E.

doi:10.4271/2000-01-1993

Cited by 8 publications

(3 citation statements)

References 12 publications

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“…Du`i interval zamene ulja vrlo je vaan kod dugolinijskih kamiona te{ka{a ({lepera), jer smanjuje tro{kove za ulje, filtere, organizaciju ~uvanja rezervi i dr. Mada su finansijske u{tede zbog du`eg intervala zamene motornog ulja znatne, smanjenje potro{nje goriva donosi ve}e u{tede, jer je cena goriva, naro~ito u kamionskom prevozu, zna~ajnija stavka od cene ulja, s obzirom na to da njihovi dizel motori rade dugi period pod visokim optere}enjem. Neka istra`ivanja [1][2][3] na te{kim dizel motorima ukazuju da kori-{}enje sinteti~kog motornog ulja SAE 5W40, umesto "konvencionalnog mineralnog ulja" ili mineralnog baznog ulja "premium" 15W40, mo`e doneti u{tedu goriva od 3%. Podaci kompanije MAN ukazuju na mogu}u u{tedu od 2%, dok podaci Forda (za Mondeo 1,8 l) ukazuju na u{tedu od 0,6% pri kori{}enju ulja 5W20 umesto ulja 5W30 [4].…”

Section: Uvodunclassified

Future lubricants quality for low emission engines

Gligorijevic¹,

Jevtic²,

Borak³

2004

Vojnotehni?ki glasnik

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U teku}oj dekadi ovog milenijuma proizvo|a~i motora moraju posti}i dvostruko smanjenje potro{nje goriva, pa time i emisije CO 2 i desetostruko smanjenje nivoa emisija, pre svega NO x i ~estica. Za dostizanje tog cilja moraju se razviti nove specifikacije ulja, ~iji doprinos smanjenju potro{nje goriva i nivou {tetnih emisija postaje sve va`niji. Trend razvoja ulja kre}e se u pravcu ni`ih viskoznih gradacija sa ni`im sadr`ajem sumpora, fosfora, sulfatnog pepela i ni`om isparljivo{}u, ~ime se posti`e smanjenje emisije, kao i potro{nje goriva. Klju~ne re~i: motori SUS, motorna ulja, emisije.

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Section: Uvodunclassified

Future lubricants quality for low emission engines

Gligorijevic¹,

Jevtic²,

Borak³

2004

Vojnotehni?ki glasnik

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“…However, when high viscosity engine oil is used, frictional loss due to the high viscosity is inevitable. To decrease these frictional losses, much research has focused on using low viscosity engine oil to improve fuel economy (Kelly et al, 2000;Jetter et al, 1998;Tanaka et al, 1999;Sagawa et al, 2002). Low viscosity engine oil also presents several difficulties.…”

Section: Introductionmentioning

confidence: 99%

Effect on friction of engine oil seal with engine oil viscosity

Kim¹,

Jeon²

2008

Int.J Automot. Technol.

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Low viscosity engine oil can improve a vehicle's fuel economy by decreasing the friction between the engine components. Frictional torque varies with the velocity change due to different viscosity characteristics of SAE grade 5W-20, 5W-30 and 5W-40 engine oils. The viscosity for each of these grades was measured to outline the effect low viscosity engine oils have on engine friction, which may lead to improved fuel economy. Engine oil seal frictional torque increases with the shaft rotational speed for all three engine oil grades. A decrease in engine oil seal frictional torque was confirmed when low viscosity engine oil was used. Also, the leak-free performance of the engine oil with the seal satisfied the life limit durability test criteria. Thus, low viscosity engine oil may be used to improve fuel economy by decreasing the frictional loss of the engine oil seal while having no negative impact on performance due to leak-free functioning.

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“…The new generation lubricant has to maintain lower hydrodynamic friction for improving fuel economy. Consequently, lower viscosity grade synthetic engine oils are superseding the higher grade mineral-based lubricants in modern low friction internal combustion engines (Kelly et al , 2000; Skjoedt et al , 2008). On the other hand, engine oil formulations are precisely balanced to ensure better wear protection, dispercancy, acid neutralization and detergency (Troyer and Fitch, 1999).…”

Section: Introductionmentioning

confidence: 99%

Optimization of the oil drain interval of non-phosphorus and non-ash engine oil

Yüksek

2016

ILT

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2016),"Comparison of tribological performances of sulfur based and boron succuminide containing antiwear additive with ZDDP by engine bench tests", Industrial Lubrication and Tribology, Vol. 68 Iss 4 pp. 482-496 http://dx.doi.org/10.1108/ ILT-11-2015-0173 (2016),"Effect of hexagonal boron nitride nanoparticles as an additive on the extreme pressure properties of engine oil", Industrial Lubrication and Tribology, Vol. 68 Iss 4 pp. 441-445 http://dx.If you would like to write for this, or any other Emerald publication, then please use our Emerald for Authors service information about how to choose which publication to write for and submission guidelines are available for all. Please visit www.emeraldinsight.com/authors for more information. About Emerald www.emeraldinsight.comEmerald is a global publisher linking research and practice to the benefit of society. The company manages a portfolio of more than 290 journals and over 2,350 books and book series volumes, as well as providing an extensive range of online products and additional customer resources and services.Emerald is both COUNTER 4 and TRANSFER compliant. The organization is a partner of the Committee on Publication Ethics (COPE) and also works with Portico and the LOCKSS initiative for digital archive preservation. AbstractPurpose -Zinc dialkyldithiophosphate (ZDDP) is the most common anti-wear and anti-oxidant additive. ZDDP is the primary origin of zinc, sulfur and phosphorus, which are well-known poisonous elements for commercial after-treatment systems. The aim of this study is to investigate the optimum oil drain interval of non-phosphorus and non-ash (NPNA) engine oil that was developed as a prospective alternative to commercial phosphorus-containing (PC) engine lubricants. Design/methodology/approach -The results of a fleet test wear debris analysis were used to optimize the oil drain intervals from the perspective of cost. Findings -Drain intervals of 32,000 and 28,000 km were computed as the optimum values for NPNA and PC engine oils, respectively. Extending the oil drain intervals up to the obtained mileage may go to a total saving of €43,045,084.2 for PC engine oil and €49,253,998.6 for NPNA engine oil with respect to the total sales figures of test vehicles in Turkey. Originality/value -Maximizing the lubricant life has environmental benefits and is the easiest way to reduce the maintenance cost of a vehicle. The protection of after-treatment systems against lubricant-induced poisoning is a great challenge. The most important result of this investigation is the lower operation costs of catalyst-friendly lubricants in spite of their low anti-wear additive performance.

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Performance of an Advanced Synthetic Diesel Engine Oil

Cited by 8 publications

References 12 publications

Future lubricants quality for low emission engines

Future lubricants quality for low emission engines

Effect on friction of engine oil seal with engine oil viscosity

Optimization of the oil drain interval of non-phosphorus and non-ash engine oil

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