심현해 권오관 2024-01-22T01:46:12Z 2024-01-22T01:46:12Z 2022-01-10 1985-10 1229-4845 https://pubs.kist.re.kr/handle/201004/147927 Korean 한국윤활학회 링팩내의 피스톤링 윤활에 관한 연구 Development of piston ring lubrication for the ring pack arrangement. Article 2 한국윤활학회지, v.1, no.1, pp.46 - 58 한국윤활학회지 1 1 46 58 N other piston ring lubrication theoretical analysis film thickness