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http://dx.doi.org/10.9725/kstle.2014.30.1.21

Vibration Analysis for Failure Diagnosis of Cylinder Liner of Large Ship Engine  

Koo, Hyunho (Doosan Engine co., Ltd.)
Cho, Yonsang (Dept. of Mechanical Engineering, DongA University)
Park, Junhong (Dept. of Mechanical Engineering, DongA University)
Park, Heungsik (Dept. of Mechanical Engineering, DongA University)
Publication Information
Tribology and Lubricants / v.30, no.1, 2014 , pp. 21-28 More about this Journal
Abstract
Damage to the cylinder liner of large ship engines, such as scuffing on the surface, can occur very easily because it is operated in a corrosive environment. This scuffing may be due to oil film destruction and corrosive wear caused by water and sulfur included in the fuel, abrasive impurities, and poor lubricants. Thus, a method for monitoring the condition and diagnosing the failure of the cylinder liner and piston ring is needed. In this study, a reciprocating friction and wear test was carried out with a cast iron specimen, which simulated an engine cylinder in a corrosive atmosphere. The lubricants used were base oil, stirred oil with distilled water, a NaCl solution, and dilute sulfuric acid. The friction coefficient and frequency spectrum were measured using a load cell and acceleration sense in each experimental condition. We then used these results to diagnose the failure of the cylinder liner.
Keywords
cylinder liner; scuffing; corrosion wear; frequency spectrum; vibration analysis;
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Times Cited By KSCI : 1  (Citation Analysis)
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