Development of a Standardized Test to Evaluate the Effect of Gasoline Engine Oil on the Occurrence of Low Speed Pre-Ignition - The Sequence IX Test

2018 ◽  
Author(s):  
Felt Mounce
Keyword(s):  
Gasoline Engine ◽  
Standardized Test ◽  
Engine Oil ◽  
Low Speed

0W-16 Fuel Economy Gasoline Engine Oil Compatible with Low Speed Pre-Ignition Performance

2017 ◽  
Vol 10 (3) ◽  
Author(s):  
Hong Liu ◽  
Jiajia Jin ◽  
Hongyu Li ◽  
Kazuo Yamamori ◽  
Toyoharu Kaneko ◽  
...  
Keyword(s):  
Fuel Economy ◽  
Gasoline Engine ◽  
Engine Oil ◽  
Low Speed

Investigation on low-speed pre-ignition from the quantification and identification of engine oil droplets release under ambient pressure conditions

Measurement ◽  
2020 ◽  
Vol 163 ◽  
pp. 107961
Author(s):  
Bernardo Tormos ◽  
Jose M Garcia-Oliver ◽  
Sophia Bastidas ◽  
Beatriz Domínguez ◽  
Fermin Oliva ◽  
...  
Keyword(s):  
Ambient Pressure ◽  
Engine Oil ◽  
Oil Droplets ◽  
Low Speed

Engine Oil Additive Impacts on Low Speed Pre-Ignition

2016 ◽  
Vol 9 (3) ◽  
pp. 612-620 ◽  
Author(s):  
Kristin A. Fletcher ◽  
Lisa Dingwell ◽  
Kongsheng Yang ◽  
William Y. Lam ◽  
Jeremy P. Styer
Keyword(s):  
Engine Oil ◽  
Low Speed

Development of ILSAC GF-5 0W-20 Fuel Economy Gasoline Engine Oil

2012 ◽  
Author(s):  
Kosuke Fujimoto ◽  
Minoru Yamashita ◽  
Toyoharu Kaneko ◽  
Satoshi Hirano ◽  
Yusuke Ito ◽  
...  
Keyword(s):  
Fuel Economy ◽  
Gasoline Engine ◽  
Engine Oil

A field test method to quantitatively determine oxidation stability of gasoline engine oil

2017 ◽  
Vol 30 (2) ◽  
pp. 57-64 ◽  
Author(s):  
Lei Wei ◽  
Haitao Duan ◽  
Song Chen ◽  
Dan Jia ◽  
Xuzheng Qian ◽  
...  
Keyword(s):  
Field Test ◽  
Gasoline Engine ◽  
Oxidation Stability ◽  
Test Method ◽  
Engine Oil ◽  
Field Test Method

Numerical Investigation of the Effects of Axial Cylinder Bore Profiles on Piston Ring Radial Dynamics

2003 ◽  
Vol 125 (4) ◽  
pp. 1081-1089 ◽  
Author(s):  
Y. Piao ◽  
S. D. Gulwadi
Keyword(s):  
High Speed ◽  
Piston Ring ◽  
Gasoline Engine ◽  
Engine Performance ◽  
Operating Conditions ◽  
Engine Oil ◽  
Oil Consumption ◽  
Ring Pack ◽  
Cylinder Bore

The role of cylinder bore shapes in engine performance has been the subject of several studies in recent years. In particular, the influence of bore distortion on oil consumption under high speed conditions has generated significant interest. In this paper, the effect of an axial bore profile on radial dynamics of a ring is investigated. Radial ring motions within grooves due to the axial bore profile can generate significant inertial effects and also have an impact on ring end-gap sizes and lubrication conditions at the ring-liner interfaces. The magnitude of such effects is dependent on the ring-pack configuration, engine operating conditions (speed and load) and axial bore profile details. These issues are investigated in this study due to their implication on engine oil consumption, friction and blow-by. The authors have developed an analytical expression to account for the effects of radial ring inertia due to an axial bore profile for implementation in a piston ring-pack simulation tool RINGPAK. Simulation results from a gasoline engine study are presented to illustrate the effects of engine speeds, ring tensions, and characteristics of axial bore profiles on ring radial dynamics and ring-liner lubrication. Relevant qualitative comparisons are made to experimental measurements available in the literature.

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