Running-in wear of a compression ignition engine: Factors influencing the conformance between cylinder liner and piston rings

Sreenath, AV and Raman, N (1976) Running-in wear of a compression ignition engine: Factors influencing the conformance between cylinder liner and piston rings. In: Wear, 38 (2). 271 - 289.

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Abstract

The conformance between the liner and rings of an internal combustion engine depends mainly on their linear wear (dimensional loss) during running-in. Running-in wear studies, using the factorial design of experiments, on a compression ignition engine show that at certain dead centre locations of piston rings the linear wear of the cylinder liner increases with increase in the initial surface roughness of the liner. Rough surfaces wear rapidly without seizure during running-in to promote quick conformance, so an initial surface finish of the liner of 0.8 μm c.l.a. is recommended. The linear wear of the cast iron liner and rings decreases with increasing load but the mass wear increases with increasing load. This discrepancy is due to phase changes in the cast iron accompanied by dimensional growth at higher thermal loads. During running-in the growth of cast iron should be minimised by running the engine at an initial load for which the exhaust gas temperature is approximately 180 °C.

Item Type:	Journal Article
Publication:	Wear
Publisher:	Elservier sciecne
Additional Information:	Copyright of this article belongs to Elsevier Sciecne.
Department/Centre:	Division of Mechanical Sciences > Mechanical Engineering
Date Deposited:	21 Dec 2009 11:08
Last Modified:	10 Oct 2011 04:55
URI:	http://eprints.iisc.ac.in/id/eprint/24352

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