Professor Pwt Evans

2024

• Hutt, S., Clarke, A. and Evans, H. 2024. A novel non-contact method for monitoring the Acoustic Emission from mixed EHL contacts. Journal of Tribology 146(9), article number: 94101. (10.1115/1.4064775)
• Britton, W., Clarke, A. and Evans, H. 2024. An experimental investigation replicating the surface behavior of ground steel gears in mixed lubrication using twin-disk testing Part 1: running-in. Tribology Transactions (10.1080/10402004.2024.2387779)
• Britton, W., Clarke, A. and Evans, H. 2024. An experimental investigation replicating the surface behavior of ground steel gears in mixed lubrication using twin-disk testing part 2: Micropitting. Tribology Transactions (10.1080/10402004.2024.2378811)

2023

• Clarke, A., Britton, W., Hutt, S. and Evans, H. 2023. An experimental investigation of surface behaviour of ground steel gear surfaces in mixed lubrication conditions. Presented at: Leeds Lyon Symposium on Tribology: Tribology for a sustainable future, Leeds, UK, 7-10 September 2023.

2021

• Evans, H. P. and Snidle, R. W. 2021. Duncan Dowson: Pioneer of elastohydrodynamic lubrication of gears. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 235(12), pp. 2592-2603. (10.1177/13506501211053084)
• Britton, W. M., Clarke, A. and Evans, H. 2021. A novel method for automatic detection of incipient micropitting in ground surfaces. Tribology International 159, article number: 106959. (10.1016/j.triboint.2021.106959)

2019

• Hutt, S., Clarke, A., Pullin, R. and Evans, H. P. 2019. The acoustic emission from asperity interactions in mixed lubrication. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 475(2227), article number: 20180900. (10.1098/rspa.2018.0900)
• Hutt, S. M., Clarke, A., Pullin, R. and Evans, H. P. 2019. Characterising the acoustic emission from a simulated gear contact in mixed lubrication conditions. Presented at: 6th International Conference on Condition Monitoring of Machinery in Non-Stationary Operations, Santander, Spain, 20 - 22 June 2018 Presented at Fernandez Del Rincon, A. et al. eds.Advances in Condition Monitoring of Machinery in Non-Stationary Operations: Proceedings of the 6th International Conference on Condition Monitoring of Machinery in Non-Stationary Operations, CMMNO’2018, 20-22 June 2018, Santander, Spain, Vol. 15. Applied Condition Monitoring Cham: Springer pp. 400-408., (10.1007/978-3-030-11220-2_41)

2018

• AL-Mayali, M. F., Hutt, S., Sharif, K. J., Clarke, A. and Evans, H. P. 2018. Experimental and numerical study of micropitting initiation in real rough surfaces in a micro-elastohydrodynamic lubrication regime. Tribology Letters 66(4), article number: 150. (10.1007/s11249-018-1110-2)
• Hutt, S., Clarke, A. and Evans, H. P. 2018. Generation of acoustic emission from the running-in and subsequent micropitting of a mixed-elastohydrodynamic contact. Tribology International 119, pp. 270-280. (10.1016/j.triboint.2017.11.011)
• Clarke, A., Hutt, S., Cockerill, A., Pullin, R. and Evans, H. 2018. On the use of Acoustic Emission as an aid to understanding of lubricated contacts in tribological systems. Presented at: 21st International Colloquium Tribology, Esslingen, 9th-11th January 2018.
• Clarke, A., Hutt, S. and Evans, H. 2018. On the use of Acoustic Emission as a laboratory tool for investigating mixed-elastohydrodynamic contacts. Presented at: STLE Annual Meeting 2018, Minneapolis, 20-24 May 2018.

2017

• Clarke, A., Jamali, H., Sharif, K., Evans, H., Frazer, R. and Shaw, B. 2017. Effects of profile errors on lubrication performance of helical gears. Tribology International 111, pp. 184-191. (10.1016/j.triboint.2017.02.034)
• Al-Mayali, M. F., Evans, H. P. and Sharif, K. 2017. Assessment of the effects of residual stresses on fatigue life of real rough surfaces in lubricated contact. Presented at: 2016 International Conference for Students on Applied Engineering (ICSAE), Newcastle upon Tyne, UK, 20-21 October 2016International Conference for Students on Applied Engineering (ICSAE). Piscataway, NJ: IEEE pp. 123-128., (10.1109/ICSAE.2016.7810173)
• Griffiths, D., Clarke, A., Evans, H., Evans, S. and Pullin, R. 2017. Investigating the mechanical properties of case carburised steels. Presented at: BSS 12th International Conference on Advances in Experimental Mechanics, Sheffield, UK, 29 - 31 August 2017.
• Hutt, S., Clarke, A., Evans, H. and Pullin, R. 2017. Use of acoustic emission to determine the lubrication conditions in simulated gear contacts. Presented at: BSSM 12th International Conference on Advances in Experimental Mechanics, Sheffield, UK, 29 - 31 August 2017.
• Khaustov, S., Clarke, A. and Evans, H. 2017. Elastohydrodynamic lubrication and surface fatigue modelling of spur gears over the meshing cycle. Presented at: 44th Leeds-Lyon Symposium on Tribology, Lyon, 4-6 September 2017.
• Hutt, S., Clarke, A. and Evans, H. 2017. Generation of acoustic emission from the running-in and subsequent wear of a mixed-elastohydrodynamic contact. Presented at: 44th Leeds-Lyon Symposium on Tribology, Lyon, 4-6 September 2017.
• Gurung, S., Clarke, A., Evans, H., Colton, M. and Woodhead, J. 2017. Modelling the wear process in composite liner bearings. Presented at: 44th Leeds-Lyon Symposium on Tribology, Lyon, 4-6 September 2017.

2016

• Clarke, A., Weeks, I. J. J., Snidle, R. W. and Evans, H. P. 2016. Running-in and micropitting behaviour of steel surfaces under mixed lubrication conditions. Tribology International 101, pp. 59-68. (10.1016/j.triboint.2016.03.007)
• Clarke, A., Jamali, H., Sharif, K., Evans, H., Frazer, R. and Shaw, B. 2016. Effects of profile errors on lubrication performance of helical gears. Presented at: 43rd Leeds-Lyon Symposium on Tribology "Tribology - The Jost Report - 50 years on", University of Leeds, UK, 6-9 September 2016.
• Clarke, A., Sharif, K., Evans, H. P., Frazer, R. and Shaw, B. 2016. Effects of micro-geometry features and profile error on elastohydrodynamic lubrication of helical gears. Presented at: STLE 71st Annual Meeting and Exhibition, Las Vegas, NV, USA, 21-25 May 2016.
• Clarke, A., Evans, H. P. and Snidle, R. 2016. Understanding micropitting in gears. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science (10.1177/0954406215606934)
• Clarke, A., Weeks, I. J. J., Evans, H. P. and Snidle, R. W. 2016. An investigation into mixed lubrication conditions using electrical contact resistance techniques. Tribology International 93(Part B), pp. 709-716. (10.1016/j.triboint.2014.10.010)
• Clarke, A., Weeks, I., Snidle, R. W. and Evans, H. P. 2016. Running-in and micropitting behaviour of steel surfaces under mixed lubrication conditions. Presented at: 20th International Colloquium Tribology, Esslingen, Germany, 12 - 14 January, 2016Tribology - Industrial and Automotive Lubrication. Esslingen, Ostfildern: Techniscke Akademie Esslingen pp. 117-117.
• Clarke, A., Evans, H. P. and Snidle, R. W. 2016. Mixed lubrication, friction and running-in of ground surfaces under gear contact conditions. In: Qin, D. and Shao, Y. eds. Proceedings of the International Conference on Power Transmissions 2016 (ICPT 2016), Chongqing, P.R. China, 27–30 October 2016. CRC Press, pp. 975-980.

2015

• Clarke, A. et al. 2015. Wear testing of aerospace self-lubricating bearing liner materials [Abstract]. Presented at: 42nd Leeds-Lyon Symposium on Tribology, Lyon, France, 7-9 September 2015Proceedings of the 42nd Leeds-Lyon Symposium on Tribology. Lyon: pp. 1.
• Al-Hamood, A., Clarke, A. and Evans, H. P. 2015. Experimental determination of heat partition in elastohydrodynamic contacts. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 229(8), pp. 940-949. (10.1177/1350650115587036)
• Clarke, A., Weeks, I., Evans, H. P. and Snidle, R. W. 2015. An investigation into mixed lubrication conditions in heavily loaded rolling/sliding elastohydrodynamic contacts. Presented at: STLE 70th Annual Meeting and Exhibition, Dallas, Texas, USA, 17-21 May 2015.
• Clarke, A., Evans, H. P., Pullin, R., Evans, S. L., Colton, M., Bell, A. and Gay, R. 2015. A simultaneous testing facility for aerospace self-lubricated bearing liner materials. Presented at: STLE 70th Annual Meeting and Exhibition, Dallas, Texas, USA, 17-21 May 2015. pp. 206-224.

2014

• Clarke, A., Jamali, H., Weeks, I., Sharif, K., Evans, H. P. and Snidle, R. W. 2014. The influence of macro and micro geometry on the generation of adverse contact conditions associated with micropitting in gear tooth contacts. Presented at: Gears 2014 technical awareness seminar, Newcastle, England, 20 November 2014.
• Jamali, H. U., Sharif, K. J., Evans, H. P. and Snidle, R. W. 2014. The transient effects of profile modification on elastohydrodynamic oil films in helical gears. Tribology Transactions 58(1), pp. 119-130. (10.1080/10402004.2014.936990)
• Clarke, A., Weeks, I., Evans, H. P. and Snidle, R. 2014. An investigation into mixed lubrication conditions using electrical contact resistance techniques. Presented at: 41st Leeds-Lyon Symposium on Tribology - Integrated Tribology, Leeds, UK, 2 - 5 September 2014.
• Jamali, H. U., Sharif, K., Evans, H. P. and Snidle, R. W. 2014. Transient EHL analysis of helical gears. Presented at: International Gear Conference 2014, Lyon Villeurbanne, France, 26-28 August 2014International Gear Conference 2014 - Conference Proceedings. Cambridge: Woodhead Publishing pp. 721-730.
• Gay, R., Evans, H. P., Snidle, R. W., Clarke, A., Bell, A. and Colton, M. 2014. Modelling the wear behaviour of a self-lubricating composite bearing. Presented at: 69th STLE Annual Meeting and Exhibition, Florida, USA, 18-22 May 2014.
• Al-Hamood, A., Clarke, A. and Evans, H. P. 2014. Experimental determination of heat partition in elastohydrodynamic contacts. Presented at: 41st Leeds-Lyon Symposium on Tribology - Integrated Tribology, Leeds, England, 2-5 September 2014.

2013

• Manoylov, A., Bryant, M. J. and Evans, H. P. 2013. Dry elasto-plastic contact of nominally flat surfaces. Tribology International 65, pp. 248-258. (10.1016/j.triboint.2013.02.029)
• Manoylov, A., Borodich, F. M. and Evans, H. P. 2013. Modelling of elastic properties of sintered porous materials. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 469(2154), article number: 20120689. (10.1098/rspa.2012.0689)
• Gay, R., Evans, H. P., Snidle, R. W. and Bell, A. 2013. Modelling the variation of friction in a self-lubricating composite bearing due to wear. Presented at: 68th STLE Annual Meeting & Exhibition, Detroit Marriott at the Renaissance Center Detroit, MI, USA, 5-9 May 2013.
• Snidle, R. W., Sharif, K., Evans, H. P. and Jamali, H. 2013. Transient elastohydrodynamic analysis of helical gear tooth contacts. Presented at: 68th STLE Annual Meeting & Exhibition, Detroit Marriott at the Renaissance Center Detroit, MI, USA, 5-9 May 2013.
• Fabre, A., Evans, H. P., Barrallier, L., Sharif, K. and Desvignes, M. 2013. Prediction of microgeometrical influences on micropitting fatigue damage on 32CrMoV13 steel. Tribology International 59, pp. 129-140. (10.1016/j.triboint.2012.07.018)
• Evans, H. P., Snidle, R. W., Sharif, K., Shaw, B. A. and Zhang, J. 2013. Analysis of Micro-Elastohydrodynamic Lubrication and Prediction of Surface Fatigue Damage in Micropitting Tests on Helical Gears. Journal of Tribology 135(1), article number: 11501. (10.1115/1.4007693)
• Borodich, F. M. and Evans, H. P. 2013. Fractal characterization of surfaces. In: Wang, J. and Chung, Y. W. eds. Encyclopedia of Tribology. Springer, pp. n/a.
• Evans, H. P. and Snidle, R. W. 2013. Differential deflection method for deformation. In: Wang, Q. J. and Chung, Y. eds. Encyclopedia of Tribology. London: Springer, pp. 751-758., (10.1007/978-0-387-92897-5_638)
• Jamali, H. U., Sharif, K., Evans, H. P. and Snidle, R. W. 2013. Analysis of elastohydrodynamic lubrication of helical gear tooth contacts including the effects of crowning and the form of tip relief. Presented at: International Conference on Gears 2013, Dusseldorf, Germany, 7-9 October 2013.

2012

• Sharif, K., Evans, H. P. and Snidle, R. 2012. Modelling of elastohydrodynamic lubrication and fatigue of rough surfaces: The effect of lambda ratio. Journal of Engineering Tribology 226(12), pp. 1039-1050. (10.1177/1350650112458220)
• Bryant, M. J., Evans, H. P. and Snidle, R. W. 2012. Plastic deformation in rough surface line contacts - a finite element study. Tribology International 46(1), pp. 269-278. (10.1016/j.triboint.2011.06.024)
• Evans, H. P., Snidle, R. W., Sharif, K. and Bryant, M. J. 2012. Predictive modelling of fatigue failure in concentrated lubricated contacts. Faraday Discussions 156(1), pp. 105-121. (10.1039/c2fd00116k)
• Manoylov, A., Bryant, M. J. and Evans, H. P. 2012. Dry elasto-plastic contact of nominally flat surfaces. Presented at: 39th Leeds-Lyon Symposium on Tribology, Leeds, UK, 4-7 September 2012.

2011

• Morgridge, D. J., Evans, H. P., Snidle, R. W. and Yates, M. K. 2011. A study of seal lubrication in an aerospace fuel gear pump including the effects of roughness and mixed lubrication. Tribology Transactions 54(4), pp. 657-665. (10.1080/10402004.2011.589963)
• Fabre, A., Barrallier, L., Desvignes, M., Evans, H. P. and Alanou, M. P. 2011. Microgeometrical influences on micropitting fatigue damage: multi-scale analysis. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 225(6), pp. 419-427. (10.1177/1350650110396980)
• Manoylov, A., Borodich, F. M. and Evans, H. P. 2011. Modelling of elastic properties of sintered porous bearings. Presented at: 3rd European Conference on Tribology, Vienna, Austria, 7-9 June 2011 Presented at Franek, F. et al. eds.Proceedings of 3rd European Conference on Tribology (ECOTRIB 2011), Vol. 1. Vienna: Austrian Tribology Society pp. 371-376.
• Evans, H. P., Snidle, R. W. and Sharif, K. 2011. Analysis of micro-elastohydrodynamic lubrication and surface fatigue in gear micropitting tests. Presented at: ASME 2011 International Design Engineering Technical Conferences (IDETC), Washington, D. C., USA, 29-31 August 2011ASME Conference Proceedings: Volume 8: 11th International Power Transmission and Gearing Conference; 13th International Conference on Advanced Vehicle and Tire Technologies. ASME pp. 585-591., (10.1115/DETC2011-47714)
• Evans, H. P. and Snidle, R. W. 2011. Elastohydrodynamic contact and fatigue of gear tooth surfaces. Presented at: 3rd International Symposium on Computational Mechanics (ISCM) III, 2nd Symposium on Computational Structural Engineering (CSE II), Taipei, Taiwan, 5-7 December 2011ISCM III-CSE II: Third International Symposium on Computational Mechanics (ISCM) III in conjuction with Second Symposium on Computational Structural Engineering (CSE II). Taipei, Taiwan: National Taiwan University pp. 288-289.
• Fabre, A., Evans, H. P., Barrallier, L., Sharif, K. and Desvignes, M. 2011. Prediction of microgeometrical influences on micropitting fatigue damage on 32CrMoV13 steel. Presented at: 38th Leeds-Lyon Symposium on Tribology, Lyon, France, 6-9 September 2011.

2010

• Fabre, A., Barrallier, L., Desvignes, M., Evans, H. P. and Alanou, M. P. 2010. Microgeometrical influences on micropitting fatigue damage: multiscale analysis. Presented at: 37th Leeds- Lyon Symposium on Tribology, Leeds, UK, 7-10 September 2010.
• Evans, H. P., Clarke, A., Sharif, K. and Snidle, R. W. 2010. The role of heat partition in elastohydrodynamic lubrication. Tribology Transactions 53(2), pp. 179-188. (10.1080/10402000903097452)
• Snidle, R. W. and Evans, H. P. 2010. Mixed lubrication and prediction of surface fatigue in gear tooth contacts. Presented at: International Conference on Gears, Garching, Germany, 4-6 Ocober 2010Proceedings of International Conference on Gears (October 2010, Dusseldorf, Germany). VDI-Berichte Vol. 2108. Düsseldorf: VDI-Verlag pp. 215-224.
• Evans, H. P. and Snidle, R. W. 2010. Micropitting, micro-EHL and mixed lubrication. Presented at: Wind Turbine Micropitting Workshop, Boulder, CO, USA, 15 - 16 April 2009 Presented at Sheng, S. ed.Wind Turbine Micropitting Workshop: A Recap. NREL/TP National Renewable Energy Laboratory (NREL) pp. 19-21.
• Evans, H. P., Sharif, K., Clarke, A. and Snidle, R. W. 2010. The Role of Heat Partition in Elastohydrodynamic Lubrication. Presented at: 5th China International Symposium on Tribology (CIST2008) and 1st International Tribology Symposium of IFToMM (ITS-IFToMM2008), Beijing, China, 24-27 September 2008 Presented at Luo, J. et al. eds.Advanced Tribology: Proceedings of CIST2008 & ITS-IFToMM2008. Berlin: Springer pp. 48-49., (10.1007/978-3-642-03653-8_19)

2009

• Evans, H. P., Snidle, R. W. and Sharif, K. 2009. Deterministic mixed lubrication modelling using roughness measurements in gear applications. Tribology International 42(10), pp. 1406-1417. (10.1016/j.triboint.2009.05.025)
• Carli, M., Sharif, K., Ciulli, E., Evans, H. P. and Snidle, R. W. 2009. Thermal point contact EHL analysis of rolling/sliding contacts with experimental comparison showing anomalous film shapes. Tribology International 42(4), pp. 517-525. (10.1016/j.triboint.2008.07.011)
• Clarke, A., Sharif, K., Evans, H. P. and Snidle, R. W. 2009. Heat partition in elastohydrodynamic lubrication. Presented at: Annual European Rheology Conference (AERC 2009), Cardiff, UK, 15 - 17 April 2009.
• Evans, H. P. and Snidle, R. W. 2009. The future of engineering tribology in concentrated contacts. Mechanical Engineering Science 223(12), pp. 2939-2948. (10.1243/09544062JMES1672)
• Snidle, R. W. and Evans, H. P. 2009. Some aspects of gear tribology. Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science 223(1), pp. 103-113. (10.1243/09544062JMES1168)
• Evans, H. P. 2009. Recent advances and current challenges in EHL modelling (Invited presentation). Presented at: Institute of Physics, London, UK.
• Evans, H. P. and Snidle, R. W. 2009. EHL of rough surfaces, mixed lubrication and surface fatigue. Presented at: World Tribology Congress 2009, Kyoto, Japan, 6-11 September 2009Proceedings of the World Tribology Congress 2009 : Sunday 6th to Friday 11th, September, 2009, Kyoto, Japan. Tokyo: Japanese Society of Tribologists pp. 310.

2008

• Snidle, R. W., Dhulipalla, A. K., Evans, H. P. and Cooper, C. V. 2008. Scuffing performance of a hard coating under EHL conditions at sliding speeds up to 16 m/s and contact pressures up to 2.0 GPa. Journal of Tribology 130(2), article number: 21301. (10.1115/1.2842253)
• Qiao, H., Evans, H. P. and Snidle, R. W. 2008. Comparison of fatigue model results for rough surface elastohydrodynamic lubrication. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 222(3), pp. 381-393. (10.1243/13506501JET347)
• Evans, H. P. 2008. Modelling mixed lubrication and the consequences of surface roughness in gear applications. Presented at: 13th Nordic Symposium on Tribology (Nordtib 2008), Tampere, Finland.
• Evans, H. P., Clarke, A., Sharif, K. and Snidle, R. W. 2008. The role of heat partition in elastohydrodynamic lubrication. Presented at: Proceedings of CIST2008 and ITS-IFToMM2008, Beijing, China.
• Snidle, R. W. and Evans, H. P. 2008. Tribology of gear tooth contacts. Presented at: 9th International Tribology Conference, Pretoria, South Africa.

2007

• Clarke, A., Sharif, K., Evans, H. P. and Snidle, R. W. 2007. Elastohydrodynamic modelling of heat partition in rolling-sliding point contacts. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 221, pp. 223-235. (10.1243/13506501JET219)
• Qiao, H., Evans, H. P. and Snidle, R. W. 2007. Comparison of fatigue model results for rough surface elastohydrodynamic lubrication. Presented at: 34th Leeds-Lyon Symposium on Tribology, Lyon, France.
• Carli, M., Sharif, K., Evans, H. P. and Snidle, R. W. 2007. Numerical and experimental investigation of thermo-elastohydrodynamic point contacts. Presented at: Proceedings of the Joint European Conference on Tribology (ECOTRIB07), Ljubljana, Slovenia.
• Snidle, R. W., Dhulipalla, A. K., Evans, H. P. and Cooper, C. V. 2007. Scuffing performance of a hard coating under EHL conditions at sliding speeds up to 16 m/s and contact pressures up to 2.0 Gpa. Presented at: 2007 ASME International Design Engineering Technical Conferences and Computer and Information in Engineering Conference, Las Vegas, USA.

2006

• Dhulipalla, A. K., Snidle, R. W. and Evans, H. P. 2006. The scuffing behavior of ground steel disks running against superfinished disks at a high sliding speed. Presented at: STLE/ASME International Joint Tribology Conference, San Antonio, TX, USA., 23-25 October 2006 Presented at Engineers, S. o. T. a. L. and American Society of Mechanical Engineers, T. D. eds.Proceedings of the STLE/ASME International Joint Tribology Conference--2006 : presented at 2006 STLE/ASME International Joint Tribology Conference, October 23-25, 2006, San Antonio, Texas, USA. New York: ASME
• Clarke, A., Sharif, K., Evans, H. P. and Snidle, R. W. 2006. Heat partition in rolling/sliding elastohydrodynamic contacts. Transactions of the ASME Journal of Tribology 128(1), pp. 67-78. (10.1243/13506501JET219)
• Elsharkawy, A. A., A., H. M. J., Evans, H. P. and Snidle, R. W. 2006. Micro-elastohydrodynamic lubrication of a coated cylinder using a coupled differential deflection method. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 220(1), pp. 29-41. (10.1243/13506501J10005)
• Sharif, K., Evans, H. P., Snidle, R. W., Barnett, D. and Egorov, I. M. 2006. The effect of elastohydrodynamic film thickness on a wear model for worm gears. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 220(3), pp. 295-306. (10.1243/13506501JET122)
• Evans, H. P. and Snidle, R. W. 2006. Contact and fatigue damage in mixed lubrication of rough surfaces. Presented at: Chinese-British Tribology Symposium, Beijing, China.
• Qiao, H., Evans, H. P. and Snidle, R. W. 2006. Prediction of fatigue damage in rough surface EHL. Presented at: IUTAM Symposium on Elastohydrodynamics and Microelastohydrodynamics, Cardiff, UK Presented at Snidle, R. W. ed. Springer pp. 345-356.
• Snidle, R. W. and Evans, H. P. 2006. The analysis of contact and fatigue damage in the mixed lubrication of rough surfaces. Presented at: 6th European Solid Mechanics Conference (ESMC 2006), Budapest, Hungary.
• Gao, C. K., Qi, X. M., Evans, H. P. and Snidle, R. W. 2006. Effect of film thickness ratio on gearing contact and fatigue life. Presented at: IUTAM Symposium on Elastohydrodynamics and Micro-elastohydrodynamics, Cardiff, UK, 1-3 September 2004 Presented at Snidle, R. W. and Evans, H. P. eds.IUTAM symposium on elastohydrodynamics and micro-elastohydrodynamics : proceedings of the IUTAM symposium held in Cardiff, UK, 1-3 September 2004. Solid mechanics and its applications Vol. 134. Dordrecht: Springer pp. 423-434.
• Holmes, M. J. A., Evans, H. P. and Snidle, R. W. 2006. Surface contact in micro-EHL. Presented at: IUTAM Symposium on Elastohydrodynamics and Micro-elastohydrodynamics, Cardiff, UK, 1-3 September 2004 Presented at Snidle, R. W. and Evans, H. P. eds.IUTAM Symposium on Elastohydrodynamics and Micro-elastohydrodynamics: proceedings of the IUTAM symposium held in Cardiff, UK, 1-3 September 2004. Dordrecht: Springer pp. 357-370.
• Clarke, A., Sharif, K., Evans, H. P. and Snidle, R. W. 2006. Elastohydrodynamic modelling of heat partition in rolling-sliding point contacts. Presented at: 34th Leeds-Lyon Tribology Symposium, Leeds, UK, 4-7 September 2006.

2005

• Evans, H. P., Sharif, K., Snidle, R. W. and Egorov, I. M. 2005. Simulation of wear in a worm gear under elastohydrodynamic conditions. Presented at: World Tribology Congress III (WTC2005), Washington, DC, USA, 12–16 September 2005 Presented at American Society of Mechanical Engineers, T. D. ed.World Tribology Congress III (WTC2005), Vol. 2 (Washington, USA). ASME pp. 255-256., (10.1115/WTC2005-63886)
• Evans, H. P., Holmes, M. J. A. and Snidle, R. W. 2005. Analysis of mixed lubrication effects in simulated gear tooth contacts. Journal Of Tribology 127(1), pp. 61-69. (10.1115/1.1828452)
• Holmes, M. J. A., Qiao, H., Evans, H. P. and Snidle, R. W. 2005. Surface contact and damage in micro-EHL. Presented at: 31st Leeds-Lyon Symposium on Tribology, Leeds, UK, 7-10 September 2004 Presented at Dowson, D. et al. eds.Life cycle tribology: proceedings of the 31st Leeds-Lyon Symposium on Tribology held at Trinity and All Saints College, Horsforth, Leeds, UK, 7th-10th September 2004. Tribology and Interface Engineering series Vol. 48. London: Elsevier pp. 605-616., (10.1016/S0167-8922(05)80062-8)

2004

• Evans, H. P., Newall, J. P., Sharif, K. and Snidle, R. W. 2004. Modelling of film thickness and traction in a variable ratio traction drive rig. Journal Of Tribology 126(1), pp. 92-104. (10.1115/1.1609490)
• Alanou, M. P., Evans, H. P. and Snidle, R. W. 2004. Effect of different surface treatments and coatings on the scuffing performance of hardened steel discs at very high sliding speeds. Tribology International 37(2), pp. 93-102. (10.1016/S0301-679X(03)00039-2)
• Holmes, M. J. A., Evans, H. P. and Snidle, R. W. 2004. Microelastohydrodynamics and the durability of gears. Presented at: Presented at 8th International Tribology Conference, Pretoria, South Africa.
• Sharif, K., Evans, H. P. and Snidle, R. W. 2004. Wear modelling of worm gears. Presented at: IUTAM Symposium on Elastohydrodynamics and Microelastohydrodynamics, Cardiff, UK, 1-3 September 2004 Presented at Snidle, R. W. and Evans, H. P. eds. Springer pp. 371-383.
• Snidle, R. W., Evans, H. P., Alanou, M. P. and Holmes, M. J. A. 2004. Understanding scuffing and micropitting of gears. Presented at: Paper presented at NATO Research and Technology Organisation Specialists' Meeting on The Control and Reduction of Wear in Military Platforms, Virginia, USA. Vol. RTO-MP. NATO Publication
• Holmes, M. J. A., Qiao, H., Evans, H. P. and Snidle, R. W. 2004. Transient effects in EHL point and line contacts having rough transverse surface finish. Presented at: 30th Leeds-Lyon Symposium on Tribology, Villeurbanne, France, 2–8 September 2003 Presented at Dalmaz, G. et al. eds.Transient processes in tribology : proceedings of the 30th Leeds-Lyon Symposium on Tribology held at INSA de Lyon Villeurbanne, France, 2nd-5th September 2003. Tribology Series Vol. 43. Boston, MA: Elsevier pp. 201-212., (10.1016/S0167-8922(03)80048-2)
• Clarke, A., Sharif, K., Evans, H. P. and Snidle, R. W. 2004. Heat partition in rolling/sliding elastohydrodynamic contacts. Presented at: ASME/STLE International Joint Tribology Conference, Long Beach, CA, USA, 24 - 27 October 2004Proceedings of the ASME/STLE International Joint Tribology Conference, 2004 : presented at 2004 ASME/STLE International Joint Tribology Conference, October 24-27, 2004, Long Beach, California, USA. ASME pp. 479-493.

2003

• Holmes, M. J. A., Evans, H. P., Hughes, T. G. and Snidle, R. W. 2003. Transient elastohydrodynamic point contact analysis using a new coupled differential deflection method. Part 1: theory and validation. Proceedings of the Institution of Mechanical Engineers Part J: Journal of Engineering Tribology 217(4), pp. 289-304. (10.1243/135065003768618641)
• Evans, H. P., Holmes, M. J. A., Hughes, T. G. and Snidle, R. W. 2003. Transient elastohydrodynamic point contact analysis using a new coupled differential deflection method, Part 1: theory and validation. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 217(4), pp. 289-303. (10.1243/135065003768618641)
• Tao, J., Hughes, T. G., Evans, H. P., Snidle, R. W., Hopkinson, N. A., Talks, M. and Starbuck, J. M. 2003. Elastohydrodynamic lubrication analysis of gear tooth surfaces from micropitting tests. Trans ASME Journal of Tribology 125(2), pp. 267-274. (10.1115/1.1510881)
• Holmes, M. J. A., Evans, H. P., Hughes, T. G. and Snidle, R. W. 2003. Transient elastohydrodynamic point contact analysis using a new coupled differential deflection method: Part 2: results. Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology 217(4), pp. 305-322. (10.1243/135065003768618650)
• Holmes, M. J. ., Evans, H. P. and Snidle, R. W. 2003. Contribution to discussion on paper; elastohydrodynamic lubrication in extended parameter ranges Part II: load effect. Tribology Transactions 46(2), pp. 282-283. (10.1080/10402000308982627)
• Holmes, M. J. A., Evans, H. P. and Snidle, R. W. 2003. Analysis of microelastohydrodynamic and mixed lubrication effects in gear tooth contacts. Presented at: ASME/AGMA International Power Transmission and Gearing Conference, Chicago, USA.
• Sharif, K., Evans, H. P., Snidle, R. W. and Newall, J. P. 2003. Modelling of film thickness and traction in a variable ratio traction drive rig. Presented at: ASME/AGMA International Power Transmission and Gearing Conference, Chicago, USA.
• Snidle, R. W., Evans, H. P. and Alanou, M. P. 2003. Gearing tribology. Presented at: 29th Leeds-Lyon Symposium on Tribology (Invited Paper). Elsevier pp. 575-588.
• Holmes, M. J., Evans, H. P. and Snidle, R. W. 2003. Comparison of transient EHL calculations with shut-down experiments. Presented at: 29th Leeds-Lyon Symposium on Tribology, Leeds, UK, 3-6 September 2002 Presented at Dowson, D. et al. eds.Tribological research and design for engineering systems :proceedings of the 29th Leeds-Lyon Symposium on Tribology held at Bodington Hall, University of Leeds, UK 3rd - 6th September, 2002. Tribology Series Vol. 41. London: Elsevier pp. 91-99., (10.1016/S0167-8922(03)80122-0)
• Holmes, M., Evans, H. P. and Snidle, R. W. 2003. Comparison of transient EHL calculations with start-up experiments. Presented at: 29th Leeds-Lyon Symposium on Tribology, Leeds, UK, 3-6 September 2002Tribological Research and Design for Engineering Systems: Proceedings of the 29th Leeds-Lyon Symposium on Tribology. Tribology Series Vol. 41. Elsevier pp. 79-89., (10.1016/S0167-8922(03)80121-9)

2002

• Alanou, M. P., Snidle, R. W., Evans, H. P. and Krantz, T. L. 2002. On the performance of thin hard coatings for gearing applications. Tribology Transactions 45(3), pp. 334-344. (10.1080/10402000208982558)
• Alanou, M. P., Evans, H. P. and Snidle, R. W. 2002. Effect of different surface treatments and coatings on the scuffing performance of hardened steel discs at very high sliding speeds. Presented at: 6th International Tribology Conference, Perth, Australia. pp. 257-266.

2001

• Sharif, K., Kong, S., Evans, H. P. and Snidle, R. W. 2001. Contact and elastohydrodynamic analysis of worm gears, Part 1: Theoretical formulation. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 215(7), pp. 817-830. (10.1243/0954406011524171)
• Elcoate, C. D., Evans, H. P., Hughes, T. G. and Snidle, R. W. 2001. Transient elastohydrodynamic analysis of rough surfaces using a novel coupled differential deflection method. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 215(4), pp. 319-337. (10.1243/1350650011543574)
• Martin, M. J., Alanou, M. P., Evans, H. P., Snidle, R. W., Kamamura, H. and Dodd, A. 2001. Scuffing performance of M50 bearing steel lubricated with a gas turbine engine oil at high sliding speeds. Tribology Transactions 44(3), pp. 465-471. (10.1080/10402000108982482)
• Sharif, K., Kong, S., Evans, H. P. and Snidle, R. W. 2001. Contact and elastohydrodynamic analysis of worm gears: Part 2, results. Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science 215(7), pp. 831-846. (10.1243/0954406011524180)
• Evans, H. P., Tao, J., G., H. T. and Snidle, R. W. 2001. Effect of roughness on elastohydrodynamic lubricant films in gear tooth contacts. Presented at: British Gear Association Annual Congress 2001, London, UK, 13 - 15 March 2001 Presented at Murrell, P. ed.Proceedings British Gear Association Annual Congress, Drives and Controls Conference (London). Kamtech Publishing pp. 27-32.
• Sharif, K., Kong, S., Evans, H. P. and Snidle, R. W. 2001. Elastohydrodynamic analysis of worm gear contacts. Presented at: Proceedings of the International Tribology Conference, Japanese Society of Tribologists, Tokyo, Japan. pp. 1867-1872.
• Tao, J., Hughes, T. G., Evans, H. P. and Snidle, R. W. 2001. Elastohydrodynamic response of transverse ground gear teeth. Presented at: 28th Leeds-Lyon Symposium on Tribology, Vienna, Austria, 4-7 September 2001Boundary and Mixed Lubrication: Science and Applications: Proceedings of the 28th Leeds-Lyon Symposium on Tribology. Tribology series Vol. 40. Elsevier pp. 447-458.

2000

• Sharif, K., Morris, S. J., Evans, H. P. and Snidle, R. W. 2000. Comparison of non-Newtonian EHL models in high sliding applications.. Presented at: Proceedings 27th Leeds/Lyon Symposium on Tribology, Lyon, France. Elsevier pp. 787-796.
• Snidle, R. W., Evans, H. P. and Alanou, M. P. 2000. Determination of gear and bearing material scuffing limits using high speed disk machines. Presented at: Bench Testing of Industrial Fluid Lubrication and Wear Properties used in Machinery Applications, ASTM STP 1404 American Society for Testing and Materials, Seattle, USA. pp. 109-124.