Avan E.Y.Mills R.S.Dwyer-Joyce R.S.Akturk N.2024-07-222024-07-222009http://akademikarsiv.cbu.edu.tr:4000/handle/123456789/18620A novel and non-invasive ultrasonic method was developed to measure the oil film thickness (OFT) formed between the piston ring and cylinder wall. The OFT values for each ring were 5-12 μm and matched with published results. This is an abstract of a paper presented at the Proceedings of World Tribology Conference (Kyoto, Japan 9/6-11/2009).EnglishConference paper