This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
An Experimental Study on Phenomena of Piston Ring Collapse
Technical Paper
2002-01-0483
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
This study has been conducted aiming at an experimental verification of the ring collapse phenomena that occurs in a taper faced second ring of a direct fuel injection type truck diesel engine. The oil film thickness of the second ring, the ring axial motion and the inter-ring pressure have been measured under various operating conditions of engine. As a result, it is verified that the back pressure of the second ring becomes lower than the second land pressure, and that the second ring oil film becomes extremely thick temporarily where the second ring contacts with the ring groove upper surface. It is also verified that blow-by passes through the second ring where the oil film of the second ring becomes thick. Hence it is highly probable that the collapse of the second ring has occurred at that time.
Recommended Content
Authors
Citation
Iijima, N., Miyamoto, T., Takiguchi, M., Kai, R. et al., "An Experimental Study on Phenomena of Piston Ring Collapse," SAE Technical Paper 2002-01-0483, 2002, https://doi.org/10.4271/2002-01-0483.Also In
References
- Herbst H.M. Priebsch H.H. “Simulation of Piston Ring Dynamics and their Effect of Oil Consumption” SAE Paper 2000-01-0919 2000
- Takiguchi M. Nakayama K. Furuhama S. Yoshida H. “Variation of Piston Oil Film Thickness in an Internal Combustion Engine -Comparison Between Thrust and Anti-Thrust Sides-” SAE Transactions Sec.3 816 824 1998
- Yoshida H. Sugihara H. Kusama K. “Practical Use of Two Piston Ring Set for Gasoline Engine” SAE Paper 950817 1995
- Ejakov M.A. Schock H.J. Brombolich L.J. “Modeling of Ring Twist for an IC Engine” SAE Paper 982693 1998
- Chen J. Richardson D.E. “Predicted and Measured Ring Pack Performance of a Diesel Engine” SAE Paper 2000-01-0918 2000
- Yoshida H. Kusama K. Sugihara H. Ariga S. “Effect of Piston Second Land Shape on Oil Consumption”
- Furuhama S. Hiruma M. Tsuzita M. “Piston Ring Motion and Its Influence on Engine Tribology” SAE Paper 790860 1979