Research Interests

• Computer Aided Design
• Machine tools and Manufacturing Processes
• Experimental Design & Optimization
• Engineering Design

Journal Publications :

• K.C. Wickramasinghe, Hiroyuki Sasahara, Erween Abd Rahim, G.I.P. Perera (2021): Recent advances on high performance machining of aerospace materials and composites using vegetable oil-based metal working fluids, Journal of Cleaner Production, Volume 310, 2021, 127459, ISSN 0959-6526, https://doi.org/10.1016/j.jclepro.2021.127459.
• T.K.K.S. Pathmasiri and G.I.P. Perera (2020): Potential of using polyethylene as viscosity enhancer of palm oil to use as a lubricating oil, Advances in Mechanical Engineering, 2020, Vol. 12(11), pages 1–13, https://doi.org/10.1177/1687814020970745.
• K.C Wickramasinghe, Hiroyuki Sasahara, Erween Abd Rahim and G.I.P. Perera (2020): Green Metalworking Fluids for sustainable machining applications: A review, Journal of Cleaner Production, Volume 257, 2020, 120552, ISSN 0959-6526, https://doi.org/10.1016/j.jclepro.2020.120552.
• W.L.R. Fernando, N. Sarmilan, K.C. Wickramasinghe, H.M.C.M. Herath and G.I.P. Perera (2020): Experimental investigation of Minimum Quantity Lubrication (MQL) of coconut oil based Metal Working Fluid, Materials Today: Proceedings, Volume 23, Part 1, 2020, Pages 23-26, https://doi.org/10.1016/j.matpr.2019.06.079.
• T. K. K. S. Pathmasiri, G.I.P. Perera and R. Gallage (2019): Investigation of palm-castor oil blends as base stocks of bio-lubricants for industrial applications, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, DOI: 10.1080/15567036.2019.1643425.
• Wickramasinghe, K.C., Perera, G.I.P., Senevirathne, S.W.M.A.I., Himan KG Punchihewa and Hiroyuki Sasahara (2019): Surface quality evaluation of 0.2 % C and AISI 304 steels in turning with sustainable lubricating condition. J Mech Sci Technol 33, 5753–5759 doi:10.1007/s12206-019-1119-y.
• Wickramasinghe K.C., Perera G.I.P. and Herath H.M.C.M.,(2017) Formulation and Performance Evaluation of a Novel Coconut Oil-based Metalworking Fluid, Materials and Manufacturing Processes, Vol. 32, Issue 9, 2017, pp. 1026-1033 DOI: 10.1080/10426914.2016.1257858.
• Perera G. I. P., Herath H. M. C. M., Perera I. M. S. J. and Medagoda M.G. H. M. M. P., Optimising the machining parameters during straight turning of AISI 304 stainless steel and mild steel, International Journal of Engineering and Applied sciences, Vol 07. No. 02, 2015, pp 14-20.
• Perera G. I. P., Herath H. M. C. M., Perera I. M. S. J. and Medagoda M.G. H. M. M. P., Investigation on white coconut oil to use as a metal working fluid during turning, Proceedings of the Institution of Mechanical Engineers Part B Journal of Engineering Manufacture, Vol.229(1), 2015,pp 38-44; DOI: 10.1177/0954405414525610.
• Perera G. I. P., Dissanayaka A. D. and Senanayaka M. A. A. N., White Coconut Oil Based Emulsion as a Metal Working Fluid during Turning, International Journal of Applied Engineering Research (IJAER), Vol. 9, Issue 21, 2014, pp 10727-10735.
• Perera G. I. P., Operation Based Cost Assessment of Machined Parts in the Early Design Stages, Journal of Advanced Manufacturing Technology (JAMT), ISSN: 1985-3157, Vol. 8, Issue 1, 2014.

Book Chapters:

• Priyankara K.P.M., Perera G.I.P. (2020) Experimental Investigation to Achieve Minimum Surface Roughness in Wire EDM Process. In: Dissanayake R., Mendis P. (eds) ICSBE 2018. ICSBE 2018. Lecture Notes in Civil Engineering, vol 44. Springer, Singapore, https://doi.org/10.1007/978-981-13-9749-3_22

Conference Papers :

• Perera G.I.P., Wickramasinghe K.C., W.L.R. Fernando and N. Sarmilan, Evaluation of Novel Coconut Oil Based Metal Working Fluid under Minimum Quantity Lubrication (MQL), Proceedings of the sixth Annual Research Symposium-2019 (ARS 2019), Faculty of Engineering, University of Ruhuna, Sri Lanka, 09th July 2019, pp 161-165.
• K. G. L. Samarawansha, G.W.B.G. Ranjith and G.I.P Perera, Redesigning a Pepper Seed Seperating Machine for Performance Improvement, Proceedings of the sixth Annual Research Symposium-2019 (ARS 2019), Faculty of Engineering, University of Ruhuna, Sri Lanka, 09th July 2019, pp 240-244.
• M. Kurukulasuriya and G.I.P. Perera, Experimental Investigation to Achieve Minimum Surface Roughness in Wire EDM Process, Proceedings of the 9th International Conference on Sustainable Built Environment, 13th – 15th December 2018 Earl’s Regency Hotel, Kandy, Sri Lanka.
• Fernando W.L.R., Sarmilan N., Wickramasinghe K.C. and Perera G.I.P., Performance Evaluation of Vegetable Oil Based Metal Working Fluids (MWFs) in Flood and Minimum Quantity Lubrication (MQL) Techniques – Review, South Asia Conference on Multidisciplinary Research 2018 (SAMR’ 2018), 05-06 October 2018, Colombo, Sri Lanka, pp 21.
• Wickramasinghe K.C., Herath H. M. C. M. Perera G.I.P., Emperical Investigation of Surface Quality and Temperature during Turning AISI 304 Steel with Vegetable Oil Based Metal Working Fluids, Proceedings of Manufacturing & Industrial Engineering Symposium (MIES 2016), Colombo, Sri Lanka, October 22, 2016.
• Wickramasinghe K.C., Perera G.I.P., and Herath H.M.C.M., Optimization of Cutting Parameters on Temperature during Turning under Different Cooling Environments, Proceedings of 7th International Conference on Sustainable Built Environment 2016, Kandy – October 22, 2016.
• Perera G.I.P., Herath H.M.C.M. , Perera I.M.S.J., Medagoda M.G.H.M.M.P., Investigation on metal working fluids and cutting parameters on the surface roughness during turning using taguchi techniques, Proceedings of Annual Technical Conference of IET-YP Sri Lanka, June 2013, pp 81-84.
• Perera G. I. P., Operation Based Cost Assessment of Machined Parts in the Early Design Stages, Proceedings of International Conference on Design and Concurrent Engineering (iDECON 2012), Universiti Teknikal Malaysia Melaka (UTeM), 2012, pp 90-93.
• Jayawickrama H.S., Chandana K.W.S., Kumara K.J.C., Perera G.I.P., Productivity and Quality Improvement Designs for Load-Cell Assembling Line, Proceedings of the Fifth Academic Sessions, University of Ruhuna, Matara, 2008, pp 35-43.
• Haripriya D.W.Y.E., Perera G.I.P. and Kumara K.J.C., Continuous Improvement in a Production Cell due to an Ergonomics Intervention, Proceedings of International conference on Advanced Manufacturing Technologies, ICAMT-2007, India, pp 604-611.
• Perera, I. and Sivaloganathan, S., Foundation bolts for Machine Tools: A Modeling Approach, Proceedings of the International Manufacturing Conference, IMC-19, 2002, pp 481-485.
• Perera, I. and Sivaloganathan, S., Validation of the Finite Element Model of a Machine Tool Structure using Idealized Models: A Case study, Proceedings of Engineering Design Conference 2002, pp 355-367.
• Perera, I. and Sivaloganathan, S., A Comparison between Idealized models and Finite Element model of Machine Tool Structures, Proceedings of the NCMR Conference on Manufacturing Research, 2002, pp 221-227.
• Perera, I., Andrews P.T.J., Sivaloganathan S., McNamara M, and Dendy M., Development of a Modular Design Methodology for Products Designed to suit Individual Customer Requirements: A Case Study, Proceedings of Engineering Design Conference 2000, pp 261-270.

Published as abstracts :

• T.K.K.S. Pathmasiri, G. I. P. Perera and R. Gallage, Development of Alternative Hydraulic Fluid Using Palm Oil, Proceedings of 16th Academic Sessions, University of Ruhuna, Matara, Sri Lanka, held on 6th March 2019, pp 44.

• W.L.R.Fernando, N.Sarmilan, K.C.Wickramasinghe, H.M.C.M.Herath and G.I.P.Perera, Experimental investigation of Minimum Quantity Lubrication (MQL) of coconut oil based Metal Working Fluid, Proceedings of the International conference on Advanced materials for Clean Energy and health Applications (AMCEHA-2019), February 6-8, 2019, University of Jaffna, Sri Lanka, pp 116 .

• Sahthan K.R.A., Thinesh K., Pathmasiri T.K.K.S. and Perera G.I.P., Design and Development of a Scuffing Load Capacity Tester for Comparision of a Novel Plant Based Lubricant with Standard Lubricants, Proceedings of the International conference on Advanced materials for Clean Energy and health Applications (AMCEHA-2019), February 6-8, 2019, University of Jaffna, Sri Lanka, pp 118.

• T.K.K.S. Pathmasiri and G.I.P. Perera, Improving the Palm Oil Properties to use as an Alternative Hydraulic Oil, South Asia Conference on Multidisciplinary Research 2018 (SAMR’ 2018), 05-06 October 2018, Colombo, Sri Lanka, pp 17.

• T.K.K.S. Pathmasiri, Perera G.I.P. and Gallage R., Investigating the lubricating properties of Palm Oil and White Coconut Oil, Proceedings of of 15th Academic Sessions, University of Ruhuna, Matara, Sri Lanka, held on 7th March 2018, pp 87.

• K.P.M. Priyankara and G.I.P. Perera, Parameter Optimization of Wire EDM Manufacturing Process, Proceedings of the 5th Annual Research Symposium-2018 (ARS-2018 Research for Achieving Excellence in Engineering), Faculty of Engineering, University of Ruhuna, Hapugala, Galle, Sri Lanka, 4th January 2018, pp 59.

• M.N. Dilhani, S.S.C.P.Kumara, J.A.D.R. Jayarathna, G.I.P. Perera, K.C. Wickramasinghe, K.G.V.K. De Silva, Development of an Experimental Setup for the Disposal of Used Metalworking Fluid, Proceedings of the 5th Annual Research Symposium-2018 (ARS-2018 Research for Achieving Excellence in Engineering), Faculty of Engineering, University of Ruhuna, Hapugala, Galle, Sri Lanka, 4th January 2018, pp 50.

• S.M.J. Ayesha, A.D.P.G. Gunawardana, J.P.A.S. Wijesinghe, G.I.P. Perera, K.C. Wickramasinghe, H. Laknath, Design and Fabrication of a Medium Scale Agitator, Proceedings of the 5th Annual Research Symposium-2018 (ARS-2018 Research for Achieving Excellence in Engineering), Faculty of Engineering, University of Ruhuna, Hapugala, Galle, Sri Lanka, 4th January 2018, pp 49.

• T.K.K.S.Pathmasiri, S.P.N.D. Karunarathna, G.I.P. Perera and R. Gallage, Comparison of Lubricating Properties of Palm Oil and Palm Kernel Oil with Commercial Engine Oils, Proceedings of 14th Academic Sessions, Faculty of Engineering, University of Ruhuna, Hapugala, Galle, Sri Lanka, held on 01st March 2017, pp 43.

• Karunathilake Y.C.M., Bandara I.K.T.D., Chathuranga J.A.D.K., Perera G.I.P. and Wickramasinghe M., Design and Development of a Pepper Seed Removing Machine, Proceedings of the 4th Annual Research Symposium-2017 (ARS-2017 Research for Achieving Excellence in Engineering), Faculty of Engineering, University of Ruhuna , Hapugala, Galle, Sri Lanka, 5th January 2017, pp 31.

• Tennakoon T.M.M., Peiris K.A.D.W.S., Jayathilake R.M.N., Wickramasinghe M. and Perera G.I.P., Design and Development of a Water Melon Juice Extracting Machine, Proceedings of the 4th Annual Research Symposium-2017 (ARS-2017 Research for Achieving Excellence in Engineering), Faculty of Engineering, University of Ruhuna , Hapugala, Galle, Sri Lanka, 5th January 2017, pp 32.

• Danthanarayana D.O., Dharmawardhana M.T.T., Kumara R.G.I.U., Wickramasinghe I.P.M. and Perera G.I.P., Design and Fabrication of a Coconut Husk Chipping Machine, Proceedings of the 3rd Annual Research Symposium-2016 (ARS-2016 Research for Achieving Excellence in Engineering), Faculty of Engineering, University of Ruhuna , Hapugala, Galle, Sri Lanka, 14th January 2016, pp 59.

• Wickramasinghe K.C., Dissanayake D.M.R.P.K., Herath H.M.C.M., Perera G.I.P., Development of a Vegetable Oil-based Water-soluble Metal Working Fluid for End Milling Operation, Proceedings of 12th Academic Sessions, University of Ruhuna, Matara, Sri Lanka, to be held on 04th March 2015.

• Perera G.I.P., Wickramasinghe K.C., Dissanayake D.M.R.P.K., Herath H.M.C.M., Preparation of a Coconut Oil-based Water-soluble Metal Working Fluid for Metal Cutting operations, Proceedings of the 2nd Annual Research Symposium-2014 (ARS-2015 Research for Acheving Excellence in Engineering), Faculty of Engineering, University of Ruhuna , Hapugala, Galle, Sri Lanka, 26th January 2015, pp 19.

• Hapuarachchi H.A.K., Edirisinghe E.D.S., Jayarathna D.M.D.L., Perera G.I.P., Optimization of the Design of a Toggle Mechanism used for Core Clamping in Tyre Manufacturing, Proceedings of the 2nd Annual Research Symposium-2014 (ARS-2015 Research for Acheving Excellence in Engineering), Faculty of Engineering, University of Ruhuna , Hapugala, Galle, Sri Lanka, 26th January 2015, pp 22.

• Dissanayaka A.D., Senanayaka M.A.A.N., Herath H.M.C.M. and Perera G.I.P., Development of a Novel Metal Working Fluid from White Coconut Oil, Proceedings of the 1st Annual Research Symposium-2014 (ARS-2014 Engineering Trends for Sustainable Development), Faculty of Engineering, University of Ruhuna , Hapugala, Galle, Sri Lanka, 18th January 2014, pp 44.

• Perera G.I.P., Herath H.M.C.M., Perera I.M.S.J. and Medagoda M.G.H.M.M.P., Predicting surface roughness and evaluating the suitability of vegetable-based metal working fluids in turning operations using Taguchi methods, Proceedings of 10th Academic Sessions, University of Ruhuna, Matara, Sri Lanka, 20th March 2013, pp 28-29.

• Ehelepola I., Bandara M.R.M.S., Perera G.I.P., Proposal for economic disposal of sawdust as an alternative energy source: A Case Study, 2nd International Conference on Industrial Engineering and Operations Management (IEOM 2011) Kuala Lumpur, Malaysia, 2011, pp 221.

• Senior Lecturer, Dept. of Mechanical and Manufacturing Engineering, University of Ruhuna (Sep. 2003 to date)
• Reviewer – The AJME: Australian Journal of Mechanical Engineering
• Reviewer – International Journal of Manufacturing Technology and Management
• Reviewer – Journal of Engineering and Technology (JET)
• PG Research Student, Dept. of Manufacturing and Systems Engineering, Brunel University, UK (Feb 2000 – Aug 2003)
• Part time Demonstrator, Dept. of Manufacturing and Systems Engineering, Brunel University, UK (2002-2003)
• Quality Assurance Engineer, Toroid International (Pvt) Ltd., Katunayaka (June 1999- Jan 2000)
• Temporary Instructor, Dept. of Engineering Mathematics, University of Peradeniya, (Sep. 1998-May 1999)