• Engineering thermodynamics
• Net zero energy
• HVAC
• Material Science and engineering

• Dr. Eng. in Science and Engineering (September, 2016), Graduate School of Science and Engineering, Saitama University, Japan.
• B.Sc. in Mechanical and Manufacturing Engineering (September 2011), Faculty of Engineering, University of Ruhuna, Sri Lanka.

• Senior Lecturer – Department of Mechanical and Manufacturing Engineering, University of Ruhuna, Sri Lanka (From 2016 to present)
• Doctoral Student – Optical Sensing Laboratory, Department of Environmental Science and Engineering, Graduate School of Science and Engineering, Saitama University, Japan (From 06.10.2013 to 29.09.2016)
• Lecturer – Department of Mechanical and Manufacturing Engineering, University of Ruhuna, Sri Lanka (From 2012 to 2013)
• Instructor (Temporary) – Department of Mechanical and Manufacturing Engineering, University of Ruhuna, Sri Lanka (From 10.10.2011 to 30.12.2011)

⁠Research Interest Net zero energy, Natural composite materials, Heat Exchanger Analysis

Thermodynamics, Heat and Mass Transfer, Refrigeration and Air-Conditioning

• NRC Merit reward for the paper titled “Highly sensitive optical interferometric technique reveals stress-dependent instantaneous nanometric growth fluctuations of Chinese chive leaf under heavy metal stress” in 2019.
• Monbukagakusho Scholarship awarded by the Ministry of Education, Science, Culture and Sports, Japan (2013-2016).

• Associate Member, Institute of Engineers, Sri Lanka (IESL). (2017-present)

Journal Papers:

• I.H.D. Senevirathne, J.A.A.E. Perera, D.A. Saminda, V.G.K.N. Senevirathna, K.T.K.M. De Silva, Hadi Amlashi, and H.C.P. Karunasena, “Design, Development, and Field Testing of a Scalable Nearshore Wave Energy Converter Optimized for Sri Lanka’s Shallow Sea Conditions”, Journal of the Institution of Engineers, Sri Lanka, 59 (1), 2026. [https://doi.org/10.4038/engineer.v59i1.7738]
• M.W.S.B. Piyarathna and K.T.K.M. De Silva, “Mechanical Performance and Structural Suitability of Natural Fiber Composites: A Comparative Study with E-Glass and S-Glass Composites”, Journal of the Institution of Engineers, Sri Lanka, 58 (4), 2025. [https://doi.org/10.4038/engineer.v58i4.7717]
• K.T.K.M. De Silva, U. M. Rajagopalan, and H. Kadono “Monitoring of growth dynamics of plants under the influence of cadmium using a highly sensitive interferometric technique”, Journal of Optical Engineering, 55 (12), 2016. [doi: 10.1117/1.OE.55.12.121718]
• K.T.K.M. De Silva, U. M. Rajagopalan, and H. Kadono “Highly sensitive optical interferometric technique reveals stress-dependent instantaneous nanometric growth fluctuations of Chinese chive leaf under heavy metal stress”, Journal of Ecotoxicology and Environment Safety, 137, 2017. [http://dx.doi.org/10.1016/j.ecoenv.2016.11.020]

Part of the book series:

• Tamilki, M.D.M.E., Chamalka, L.A.L., Lakshan, G.A.D., Nandasena, E.G.S.S., De Silva, K.T.K.M. (2025). Design of a Cost-Effective and High-Accurate Automated Pastel Defect Identification, Rejection, and Packing System. In: Fernando, T.N., Siriwardhana, M., Dissanayake, R., Vithanage, M., Samarawickrama, J.G., Gajanayake, P. (eds) Selected Proceedings of the 2nd International Engineering Research Symposium; IERS 2024; 14 Aug; Colombo, Sri Lanka. IERS 2024. Proceedings in Technology Transfer. Springer, Singapore. (https://doi.org/10.1007/978-981-96-1399-1_23)
• De Silva, K.T.K.M., Piyarathna, M.W.S.B., Herath, H.M.D.S., Waruni, L.E.K.M. (2025). Mechanical Characterization of Coir Based Bio Composites. In: Fernando, T.N., Siriwardhana, M., Dissanayake, R., Vithanage, M., Samarawickrama, J.G., Gajanayake, P. (eds) Selected Proceedings of the 2nd International Engineering Research Symposium; IERS 2024; 14 Aug; Colombo, Sri Lanka. IERS 2024. Proceedings in Technology Transfer. Springer, Singapore. (https://doi.org/10.1007/978-981-96-1399-1_3)
• Bandara, Y.M.U.S.Y., Alahakoon, P.K.D.B.K., Rathnayake, R.L., Premarathna, W.P.L.M., Wickramasinghe, K.C., De Silva, K.T.K.M. (2025). Design of a Fully Automated Soap Multipack Packaging System. In: Fernando, T.N., Siriwardhana, M., Dissanayake, R., Vithanage, M., Samarawickrama, J.G., Gajanayake, P. (eds) Selected Proceedings of the 2nd International Engineering Research Symposium; IERS 2024; 14 Aug; Colombo, Sri Lanka. IERS 2024. Proceedings in Technology Transfer. Springer, Singapore. (https://doi.org/10.1007/978-981-96-1399-1_26)
• K.T.K.M. De Silva, and H. Kadono, “Monitoring of Cadmium influence on ultra short-term growth dynamics of plants using a highly sensitive interferometric technique, SIT”, Proc. of SPIE Vol. 9660, (2015). (doi: 10.1117/12.2196866)

Conference Proceedings:

• I.P.R.R. Ilangarathna and K.T.K.M. De Silva, “Design of a Boiler Chimney Heat Recovery System”, 13th Ruhuna International Science and Technology Conference, Faculty of Science, University of Ruhuna, Sri Lanka, January 2026.
• P.T.M. Kariyawasam and K.T.K.M. De Silva , “Design and Thermal Analysis of an Energy-Efficient Vegetable Dehydrator for Small-Scale Producers in Sri Lanka”, 13th Ruhuna International Science and Technology Conference, Faculty of Science, University of Ruhuna, Sri Lanka, January 2026.
• R.M.H.M. Rathnayaka and K.T.K.M. De Silva, “Design of an automatic flour purifying machine for small – scale bakery industry“, 13th Ruhuna International Science and Technology Conference, Faculty of Science, University of Ruhuna, Sri Lanka, January 2026.
• J.S.D.S. Chamindu, K.M.T.A. Bogamuwa, H.A.A.R. Weerasinghe, K.H.P.W. Thilakarathna, and K.T.K.M. De Silva , “Performance Evaluation of an Image-Based Semi-Automated System for Sustainable Recycling of Disposable Pens”, 13th Ruhuna International Science and Technology Conference, Faculty of Science, University of Ruhuna, Sri Lanka, January 2026.
• U.D.C.K. Madurashmi, R.W.A.S.N. Weerasinghe, S.K.B.P.M. Wijerathna, K.M. Kais, Y.S.K. De Silva, and K.T.K.M. De Silva, “Design a Semi-Automated Vision Based Coconut Paring Machine”, The 16th International Conference On Sustainable Built Environment 2025 and Next-Generation Innovation and Advancement – Diamond 75, Kandy, Sri Lanka, December 2025.
• K.C. Walpitagamage, K.T.K.M. De Silva, W.A.D. Givinda,Y.E.M.M.G.C. Karunarathna, and N.R.D. Chandrathilaka, “Design of an Automatic Sanitary Napkin Counting and Batching System”, The 16th International Conference On Sustainable Built Environment 2025 and Next-Generation Innovation and Advancement – Diamond 75, Kandy, Sri Lanka, December 2025.
• M.W.S.B. Priyarathna, and K.T.K.M. De Silva, “Effect of Fiber Length on the Mechanical and Physical Properties of Bauhinia Racemosa-Reinforced Polyester Composites”, The 16th International Conference On Sustainable Built Environment 2025 and Next-Generation Innovation and Advancement – Diamond 75, Kandy, Sri Lanka, December 2025.
• J.M.H.B. Dewanthi, P.W.A.W. Pathiraja, A.L.K. Tharaka, U.G.A.S. Kumara, T.K.K.S. Pathmasiri, and K.T.K.M. De Silva, “Design of a Solar-Air Heat Collector for a Spice Drying Tray Dryer”, The 16th International Conference On Sustainable Built Environment 2025 and Next-Generation Innovation and Advancement – Diamond 75, Kandy, Sri Lanka, December 2025.
• I.K. Deepthika, N.K. Hewaarachchi, K.T.K.M. De Silva, and M.W.S.B. Piyarathna, “A Comparative Study on the Mechanical Properties of Caryota Urens and Sisal Fiber Reinforced Composites”, ERU Symposium, Engineering Research Unit, Faculty of Engineering, University of Moratuwa, Sri Lanka, December 2025.
• K.H.A.C. Kavindi, H.K. Shalinda, W.A.U.I.S. Wickramasingha, V. Lalith Kumara, K.C. Wickramasingha, and K.T.K.M. De Silva, “Design of a Carton Box Orientation Changing Machine for an Industrial Cologne Packaging Process”, 3rd International Engineering Research Symposium – IERS 2025, Colombo, Sri Lanka, October 2025.
• L.A. Wijayarathne, H.W. Thilanka, K.K.S.B. Kodithuwakku, W.B.N.N. Bandara, and K.T.K.M. De Silva, “Design of a Reusable Pen Assembling Dispensing Unit”, 3rd International Engineering Research Symposium – IERS 2025, Colombo, Sri Lanka, October 2025.
• J.M.H.B. Dewanthi, P.W.A.W. Pathiraja, A.L.K. Tharaka, U.G.A.S. Kumara, T.K.K.S. Pathmasiri, and K.T.K.M. De Silva, “Development and Evaluation of an Experimental Dual Chamber Hot Air Dryer for Drying Turmeric”, 3rd International Engineering Research Symposium – IERS 2025, Colombo, Sri Lanka, October 2025.
• W.K.P.G.N. Charuni and K.T.K.M. De Silva, “Design and Simulation of a Corrugated Tube Shell and Tube Heat Exchanger for an Ethanol Production Line”, 3rd International Engineering Research Symposium – IERS 2025, Colombo, Sri Lanka, October 2025.
• G.I.D.S. Sandeepa, U.G.J.C. Udugama, K.T.K.M. De Silva, and M.W.S.B. Priyarathna, “Mechanical and Thermal Characterization of Natural Fi ber-Based Sandwich Structures for Sustainable Insulation Applications”, 3rd International Engineering Research Symposium – IERS 2025, Colombo, Sri Lanka, October 2025.
• G.H.S. Lakshan, A.N.S. Nawarathne, K.N.T. Srinath, M.A.M. Arafak, and K.T.K.M. De Silva, “Thermal and Mechanical Properties of New Wood-Based Eco-Friendly Thermal Insulation”, 12th Ruhuna International Science and Technology Conference, Faculty of Science, University of Ruhuna, Sri Lanka, January 2025.
• K.T.K.M. De Silva and D.P.D. Wijesiri, “Design of a Vacuum Brake System for a Suzuki Wagon R Car as an Alternative to the Hydraulic Brake System”, 12th Ruhuna International Science and Technology Conference, Faculty of Science, University of Ruhuna, Sri Lanka, January 2025.
• K.T.K.M. De Silva and W.K.P.G.N. Charuni, “Design of a Heat Exchanger with corrugated tubes for Ethanol Production Line”, 12th Ruhuna International Science and Technology Conference, Faculty of Science, University of Ruhuna, Sri Lanka, January 2025.
• A.N.S. Nawarathne and K.T.K.M. De Silva, “Design of High Efficient Corrosion Resistant Heat Exchanger for Closed Cooling Water (CCW) System”, 12th Ruhuna International Science and Technology Conference, Faculty of Science, University of Ruhuna, Sri Lanka, January 2025.
• M.D.M.E. Thamilki and K.T.K.M. De Silva, “Design of an automatic soil compactor for preparation of AASHTO T-180 D proctor specimens”, 12th Ruhuna International Science and Technology Conference, Faculty of Science, University of Ruhuna, Sri Lanka, January 2025.
• B.S.N. Sooriyabandara and K.T.K.M. De Silva, “Design and Development of a Ball Screw Scissor Lift for Efficient Airport Baggage Handling”, 12th Ruhuna International Science and Technology Conference, Faculty of Science, University of Ruhuna, Sri Lanka, January 2025.
• T.N.K. Wijepala and K.T.K.M. De Silva, “Design of a Tubular Heat Exchanger as a Replacement for Plate Heat Exchanger to Reduce Maintenance Cost”, 12th Ruhuna International Science and Technology Conference, Faculty of Science, University of Ruhuna, Sri Lanka, January 2025.
• S. Heshanka, H.C.P. Karunasena, K.T.K.M. De Silva, and P.A. koliyabandara, “Two-Phase Meshfree-based Hydrodynamics Modelling and Simulation of Coastal Natural Blowhole Structures: An Early-Stage Study”, Proceedings of 22nd Academic Sessions, University of Ruhuna, Sri Lanka, March 2025.
• M.W.S.B. Priyarathna and K.T.K.M. De Silva, “Comparative Analysis of Coir Fiber, Banana Fiber, and Synthetic Fibers for Sustainable Composites”, Proceedings of 22nd Academic Sessions, University of Ruhuna, Sri Lanka, March 2025.
• M.W.S.B. Priyarathna and K.T.K.M. De Silva, “Medium Scale Industry-Store Grease Mixer”, Institute of Engineers Sri Lanka Yung Member Section Technical Conference, Sri Lanka, September 2024.
• M.D.M.E. Tamilki, L.A.L. Chamalka, G.A.D. Lakshan, E.G.S.S. Nandasena, and K.T.K.M. De Silva, “Design of a Cost-effective and High-accurate Automated Pastel Defect Identification, Rejection, and Packing System”, 2nd International Engineering Research Symposium – IERS 2024, Colombo, Sri Lanka, August 2024.
• Y.M.U.S.Y. Bandara, P.K.D.B.K. Alahakoon, R.L. Rathnayake, W.P.L.M. Premarathna, K.C. Wickramasinghe, and K.T.K.M. De Silva, “Design of a Fully Automated Soap Multipack Packaging System”, 2nd International Engineering Research Symposium – IERS 2024, Colombo, Sri Lanka, August 2024.
• M.W.S.B. Priyarathna and K.T.K.M. De Silva, “Mechanical Characterization of Coir Based Bio Composites”, 2nd International Engineering Research Symposium – IERS 2024, Colombo, Sri Lanka, August 2024.
• H.M.D.S. Herath, L.E.K.M. Waruni, K.T.K.M. De Silva, and M.T.T. Ranjan, “Mechanical Characterization of Partially Bio-degradable Coir Fiber-reinforced Polyester Composites”, Proceedings of 21st Academic Sessions, University of Ruhuna, Sri Lanka, March 2024.
• K.C.M. Dayananda, R.A.I.S. Rajapaksha, H.M.Y.G.V.S. Senevirathne, E.G.S.S. Wanasingha, and K.T.K.M. De Silva, “Design and Development of Water Absorptivity Measuring Instrument”, Proceedings of 21st Academic Sessions, University of Ruhuna, Sri Lanka, March 2024.
• Sandeepa R.M.E.C., Dissanayaka D.M.T.A.L., Rajapaksha P.K.M., Marasinghe S.M., T.K.K.S. Pathmasiri, and K.T.K.M. De Silva, “Design and Fabrication of Maize on cob Tray Dryer”, Proceedings of 21st Academic Sessions, University of Ruhuna, Sri Lanka, March 2024.
• B.A.C.L. Dharmasena, J.G.P. Devindi, R.C.I. Silva, and K.T.K.M. De Silva, “Design a Small-Scale Ecology Unit for Domestic Purposes”, Proceedings of 20th Academic Sessions, University of Ruhuna, Sri Lanka, March 2023.
• K.T.K.M. Desilva, H.S.N. Ariyawansha, and M.I.I. Ahamed, “Design and fabrication of an automated pen barrel collecting and packing machine”, Proceedings of 19th Academic Sessions, University of Ruhuna, Sri Lanka, March 2022.
• W.M.S.T. Ranasinghe, S.B.M.D Samarakoon, A.K.I.C. Kodithuwakku, and K.T.K.M. Desilva, “Design and fabrication of sealing machine for sanitary can”, 7th Annual Research Symposium, Faculty of Engineering, University of Ruhuna, Sri Lanka, March 2020.
• U.S.G. Shaminda, M.A.H. Balasuriya, and K.T.K.M. Desilva, “Design and fabrication of yarn cutting machine for paper recycling industry”, 7th Annual Research Symposium, Faculty of Engineering, University of Ruhuna, Sri Lanka, March 2020.
• K.T.K.M. Desilva, K.G.C.T.L Kularathna, and W.G.C. Sandunika, “Development of lab-scale solar electric hybrid steam generator”, 6th Annual Research Symposium, Faculty of Engineering, University of Ruhuna, Sri Lanka, July 2019.
• K.T.K.M. Desilva, P.A.R.C. De Silva, and W.M.D.P. Kumara, “Develop a method for extract Medium Chain Triglyceride (MCT) coconut oil from Virgin coconut oil”, 6th Annual Research Symposium, Faculty of Engineering, University of Ruhuna, Sri Lanka, July 2019.
• K.T.K.M. Desilva, K.P.K.S Shanaka, and T.V.R. Krishantha, “Develop a high –quality handmade paper for paper recycling industry”, 6th Annual Research Symposium, Faculty of Engineering, University of Ruhuna, Sri Lanka, July 2019.
• K.D. Sooriyaarachchi, M.G.H.P. Ekanayake, G.A.S.P. Gangodaarachchi, K.T.K.M. Desilva, and H.C.P. Karunasena, “Development of direct heating solar-electric hybrid hot water system for domestic usage”, 5th Annual Research Symposium, Faculty of Engineering, University of Ruhuna, Sri Lanka, January 2018.
• A.A.S.P. Adhikari , H.M.M.M. Hewanayaka, G.V. Madhushani, K.T.K.M. Desilva, and H.C.P. Karunasena, “Development of a semi-automated warp beam winding machine for handloom industry”, 5th Annual Research Symposium, Faculty of Engineering, University of Ruhuna, Sri Lanka, January 2018.
• K.D. Sooriyaarachchi, M.G.H.P. Ekanayake, G.A.S.P. Gangodaarachchi, K.T.K.M. Desilva, and H.C.P. Karunasena, “Development of solar-electric hybrid hot water system”, Proceedings of 15th Academic Sessions, University of Ruhuna, Sri Lanka, March 2018.
• K.T.K.M. De Silva, and H. Kadono, “Monitoring ultra short-term growth dynamics of plants under the influence of zinc using a highly sensitive interferometric technique, SIT”, The 63rd JSAP Spring Meeting 2016, Ookayama Campus, Japan, 19-22 March 2016.
• K.T.K.M. De Silva, L. Tao, S. Yonemochi, K. Oh, and H. Kadono, “Monitoring of heavy metal influence on ultra-short term growth dynamics of plants using a highly sensitive interferometric technique, SIT and physiological conditions”, Japan Society of Agricultural, Biological and Environmental Engineers and Scientists 2015, Seagaia Convention Center, Miyazaki, Japan, 8-11 September 2015.
• K.T.K.M. De Silva, and H. Kadono, “Monitoring of Cadmium influence on ultra short-term growth dynamics of plants using a highly sensitive interferometric technique, SIT”, International conference on Speckle Metrology 2015, Guanajuato, Mexico, 24-26 August 2015.
  K.T.K.M. De Silva, H. Kadono, and T. Yonekura, “Monitoring effect of heavy metal on ultra short-term growth fluctuation of plants using a highly sensitive interferometric technique of statistical interferometry”, The 55th meeting on Light Wave Sensing Technology 2015, The Japanese Society of Light Wave Sensing Technology and The Japan Society of Applied Physics, Tokyo University of Science, Japan, 09-10 June 2015.
• K.T.K.M. De Silva, H. Kadono, and K. Oh, “Ultra-short term growth behavior of plants under the influence of Cadmium using a highly sensitive interferometric technique, SIT”, The 62nd JSAP Spring Meeting 2015, Tokai University, Japan, 11-14 March 2015.
• K.T.K.M. De Silva, H. Kadono, and K. Oh, “Investigation of ultra-short term growth behavior of plants under the influence of heavy metal using a Highly Sensitive Interferometric Technique”, Japan Society of Agricultural, Biological and Environmental Engineers and Scientists 2014, Meiji University, Japan, 8-11 September 2014.

Vacancies for Postgraduate studies under your supervision Heat Exchanger Analysis, Natural Composite Materials, HVAC Systems, Net Zero Energy