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SAE technical paper series, Volume 2009-01-0188.
The relationship between piston ring and out side of diameter (hereon referred to as OD) wear of ring has not been fully analyzed. In this study, the... 
Pistons
eJournal
SAE technical paper series, Volume 800971.
The development in recent years of piston rings in Powder Metals has led to not only economic advantages but to technical advantages, particularly with the use... 
Pistons
eJournal
SAE technical paper series, Volume 942393.
The piston rings are responsible for maintaining some engine functioning parameters in an acceptable range, mainly the lubricant oil consumption and the... 
Pistons
eJournal
SAE technical paper series, Volume 790859.
Use is made of computer programs and photoelasticity within the scope of pressure and thermal stress analysis when developing and testing components for... 
Pistons
eJournal
SAE technical paper series, Volume 710578.
For a geometrically simplified piston model, temperatures in the crown center and at the first ring groove as well as the rotationally symmetrical temperature... 
Pistons
eJournal
SAE technical paper series, Volume 710816.
This paper is a preliminary evaluation of theoretical models and a report of an initial series of experiments investigating the scraping effect and... 
Pistons
eJournal
SAE technical paper series, Volume 710547.
A new design oil ring has been developed which shows considerable promise for the automotive piston engine. This oil ring consists of two pieces instead of the... 
Pistons
eJournal
SAE technical paper series, Volume 800820.
Simple diagnostic techniques exist which allow verification/ diagnosis of gasoline fueled, piston engine oil consumption. Use of these techniques can improve... 
Pistons
eJournal
SAE technical paper series, Volume 2009-01-0193.
This paper deals with the friction performance results for various new concept piston skirt profiles. The program was conducted under the assumption that... 
Pistons
eJournal
SAE technical paper series, Volume 730188.
An L-ring (a piston ring with an L-shaped cross section) has been used on some air-cooled two-stroke gasoline engines. Good performance has been obtained; the... 
Pistons
eJournal
SAE technical paper series, Volume 2009-01-0196.
In order to improve the fuel economy of automobiles, further increase in the efficiency of gasoline engines is strongly demanded. In particular, reducing the... 
Pistons
eJournal
SAE technical paper series, Volume 2001-26-0021.
This study qualitatively examines pressure exchange, fluid flow and charge trapping in the combustion process of I.C. engines in which Sonex micro-chamber... 
Pistons
eJournal
SAE technical paper series, Volume 2008-28-0071.
The interface between the piston rings and cylinder liner play an important role in total frictional losses and mechanical wear of internal combustion engine... 
Pistons
eJournal
SAE technical paper series, Volume 2012-01-1323.
This SAE Technical Paper contains detailed data which are relevant for the calculation of the friction forces of the piston assembly in internal combustion... 
Pistons
eJournal
SAE technical paper series, Volume 700886.
A method of cooling piston engines by direct injection of a fluid into the combustion chamber is described. Significant changes in power performance, fuel... 
Pistons
eJournal
SAE technical paper series, Volume 970065.
In the paper a new approach to the air standard cycles of piston combustion engines based on the First and the Second Laws of Thermodynamics has been... 
Pistons
eJournal
SAE technical paper series, Volume 920452.
This paper deals with the experimental investigation carried out to study the effect of expansion ratio (ER) on the brake thermal efficiency of a spark... 
Pistons
eJournal
SAE technical paper series, Volume 845067.
eJournal
SAE technical paper series, Volume 760008.
An analysis and a method of computation of the oil film thickness between the piston ring and cylinder liner of an internal combustion engine is presented... 
Pistons
eJournal
SAE technical paper series, Volume 770763.
Mathematical models of the open cycle gas exchange process and the closed cycle combustion process are developed for a Wankel engine. The theoretical model of... 
Pistons
eJournal
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