| A method for the measurement of hydrodynamic oil films using ultrasonic reflection RS Dwyer-Joyce, P Harper, BW Drinkwater Tribology Letters 17, 337-348, 2004 | 148 | 2004 |
| The influence of clearance on friction, lubrication and squeaking in large diameter metal-on-metal hip replacements CL Brockett, P Harper, S Williams, GH Isaac, RS Dwyer-Joyce, Z Jin, ... Journal of Materials Science: Materials in Medicine 19, 1575-1579, 2008 | 87 | 2008 |
| Ultrasonic measurement of film thickness in mechanical seals T Reddyhoff, R Dwyer-Joyce, P Harper Sealing Technology 2006 (7), 7-11, 2006 | 65 | 2006 |
| A new approach for the measurement of film thickness in liquid face seals T Reddyhoff, RS Dwyer-Joyce, P Harper Tribology Transactions 51 (2), 140-149, 2008 | 60 | 2008 |
| Calibration and validation of ultrasonic reflection methods for thin-film measurement in tribology A Hunter, R Dwyer-Joyce, P Harper Measurement Science and Technology 23 (10), 105605, 2012 | 48 | 2012 |
| Oil film measurment in polytetrafluoroethylene-faced thurst pad bearings for hydrogenerator applications RS Dwyer-Joyce, P Harper, J Pritchard, BW Drinkwater Proceedings of the Institution of Mechanical Engineers, Part A: Journal of …, 2006 | 47 | 2006 |
| The measurement of liner-piston skirt oil film thickness by an ultrasonic means RS Dwyer-Joyce, DA Green, P Harper, R Lewis, S Balakrishnan, PD King, ... SAE Transactions, 348-353, 2006 | 46 | 2006 |
| The real-time measurement of wear using ultrasonic reflectometry H Brunskill, P Harper, R Lewis Wear 332, 1129-1133, 2015 | 30 | 2015 |
| Evaluation of an ultrasonic method for measurement of oil film thickness in a hydraulic motor piston ring P Harper, RS Dwyer-Joyce, U Sjödin, U Olofsson Tribology and Interface Engineering Series 48, 305-312, 2005 | 20 | 2005 |
| Ultrasonic measurement of oil film thickness between the roller and the inner raceway in a roller bearing K Zhang, Q Meng, W Chen, J Li, P Harper Industrial Lubrication and Tribology 67 (6), 531-537, 2015 | 17 | 2015 |
| Journal bearing oil film measurement using ultrasonic reflection P Harper, B Hollingsworth, R Dwyer-Joyce, B Drinkwater Tribology series 41, 469-476, 2003 | 14 | 2003 |
| Measurement of film thickness in lubricated components using ultrasonic reflection. P Harper University of Sheffield, 2008 | 8 | 2008 |
| Evaluation of an ultrasonic oil film measurement technique for PTFE faced thrust pad bearings RS Dwyer-Joyce, P Harper, BW Drinkwater Proceedings of the ASME/STLE International Joint Tribology Conference, IJTC …, 2004 | 5 | 2004 |
| Direct measurement of lubrication in large diameter metal-on-metal hip implants C Brockett, P Harper, S Williams, G Isaac, R Dwyer-Joyce, Z Jin, J Fisher Proceedings of the 53rd Annual Meeting of the Orthopaedic Research Society …, 2007 | 3 | 2007 |
| On‐Line Measurement of Lubricant Film Thickness Using Ultrasonic Reflection Coefficients BW Drinkwater, RS Dwyer‐Joyce, P Harper AIP Conference Proceedings 700 (1), 984-991, 2004 | 3 | 2004 |
| Film thickness measurements in a running hydrostatic unit using ultrasound L Leonhard, S Marsch, M Diesselberg, P Harper, RS Dwyer-Joyce Tribologia-Finnish Journal of Tribology 35 (1–2), 40–50-40–50, 2017 | | 2017 |
| 2006-01-0648 The Measurement Of Liner-Piston Skirt Oil Film Thickness by an Ultrasonic Means RS Dwyer-Joyce, DA Green, S Balakrishnan, P Harper, R Lewis, ... SAE TRANSACTIONS 115 (3), 348, 2007 | | 2007 |
| 2006-01-0648 The Measurement of Liner-Piston Skirt Oil Film Thickness by an Ultrasonic Means RS Dwyer-Joyce, DA Green, P Harper, R Lewis, S Balakrishnan, PD King, ... SAE SP 2013, 127, 2006 | | 2006 |
