@article{article, title = {{Applying the Hilbert Envelope method to refine the ultrasonic technique for piston ring oil film thickness measurements in a marine diesel engine}}, publisher = {{SAE International}}, url = {{}}, year = {{2022}}, month = {{4}}, author = {{Rooke J and Li X and Dwyer-Joyce RS}}, doi = {{10.4271/03-16-02-0011}}, volume = {{16}}, journal = {{SAE International Journal of Engines}}, issue = {{2}}, note = {{Accessed on 2025/05/26}}}