Research Interests

• Fluid Dynamics
• Thermodynamics
• Renewable energy (Fuel cells, Electrolysis technology, Solar PV or thermal, Wind and etc.)
• Optical Interferometric technology (Biospeckle Optical Coherence Tomography, Statistical interferometry technique)
• Mathematical Modeling and Simulation
• Engineering Mechanics

• ME1201 Engineering DrawingME2201 Fundamentals of Engineering ThermodynamicsME3302 Fluid MechanicsME4305 Mechanics of MachinesME5305 Refrigeration and Air Conditioning

• Lecturer (Temporary) – Department of mechanical and manufacturing engineering, University of Ruhuna, Sri Lanka (September 2017 to date).
• Research Assistant Student – Department of Engineering Sciences, Faculty of Engineering and Science, University of Agder, Norway (April 2016 – September 2016)
• Lecturer (On Assignment Basis) – Department of Mechanical and Manufacturing Engineering, University of Ruhuna. (October 2014 – August 2015)
• Lecturer (Temporary) – Department of mechanical and manufacturing engineering, University of Ruhuna, Sri Lanka (June 2014 – October 2014).

Conference Papers :

• S. K. De Silva, Uma Maheswari Rajagopalan, Danyang Li, Hirofumi Kadono, “Optical screening method to observe the biological activities of lentil (Lens culinaris) seeds quantitatively under the exposure of polyethylene microplastics (PEMPs) using ultrahigh accurate biospeckle optical coherence tomography,” Proc. SPIE 12147, Tissue Optics and Photonics II, 121470C,19 May 2022. https://doi.org/10.1117/12.2620176
• Danyang Li, Uma Maheswari Rajagopalan, Hirofumi Kadono, Y. S. K. De Silva, “Biospeckle Optical Coherence Tomography (bOCT) reveals variable effects of acid mine drainage (AMD) on monocot and dicot seed germination”, Proc. SPIE 12147, Tissue Optics and Photonics II, 121470D, 19 May 2022. https://doi.org/10.1117/12.2621440
• S. K. De Silva, P. Middleton and M. Kolhe, “Performance Analysis of Single Cell Alkaline Electrolyser Using Mathematical Model,” IOP Conference Series: Materials Science and Engineering, 605, p.012002, 2019. Doi:10.1088/1757-899X/605/1/012002
• Y. S. K. De Silva, Li Danyang, R. Uma Maheswari, Fenwu. Liu, H. Kadono, “Biospeckle Optical Coherence Tomography in high-speed monitoring of environmental effects on seeds germination” 25th Congress of the International Commission for Optics (ICO) • 16th International Conference on Optics Within Life Sciences (OWLS)25th, 5-9 September 2022 in Dresden, Germany.

Journal Papers :

• S. K. De Silva, U. M. Rajagopalan, H. Kadono, L. Danyang, “Effects of microplastics on lentil (Lens culinaris) seed germination and seedling growth,” Chemosphere, 303, pp. 135162, 2022. https://doi.org/10.1016/j.chemosphere.2022.135162
• Danyang, U. M. Rajagopalan, Y. S. K. De Silva, H. Kadono, “Biospeckle Optical Coherence Tomography ( bOCT ) in the Speedy Assessment of the Responses of the Seeds of Raphanus sativus L . ( Kaiware Daikon ) to Acid Mine Drainage ( AMD ),” Appl. Sci., 2022. https://doi.org/10.3390/app12010355
• Danyang, U. M. Rajagopalan, H. Kadono, Y. S. K. De Silva, “Speedy evaluation of simulated Acid Mine Drainage (AMD) on Rice by a non-invasive technique,” Plant Stress (6), 100113, 2022. https://doi.org/10.1016/j.stress.2022.100113
• Danyang, U. M. Rajagopalan, H. Kadono, Y. S. K. De Silva, “A Real-Time, Non-Invasive Technique for Visualizing the Effects of Acid Mine Drainage (AMD) on Soybean. Minerals, 12(10), 2022. https://doi.org/10.3390/min12101194
• S. K. De Silva, U. M. Rajagopalan, H. Kadono, L. Danyang, “The positive and negative phenotyping of increasing Zn concentrations by Biospeckle Optical Coherence Tomography in speedy monitoring on lentil (Lens culinaris) seed germination and seedling growth,” Plant stress, 2021. https://doi.org/10.1016/j.stress.2021.100041
• S. K. De Silva, U. M. Rajagopalan, H. Kadono, “Microplastics on the growth of plants and seed germination in aquatic and terrestrial ecosystems,” Global Journal of Environmental Science and Management 7(3), 347-368, 2021. https://doi.org/10.22034/gjesm.2021.03.03
• S. K. D. Silva, P. H. Middleton, and M. L. Kolhe, “Performance comparison of mono-polar and bi-polar configurations of alkaline electrolysis stack through 3-D modelling and experimental fabrication,” Renewable Energy, vol. 149, pp. 760–772, 2020. https://doi.org/10.1016/j.renene.2019.12.087
• S. K. De Silva, M.J.M.A. Rasul, P. Middleton and M. Kolhe, “PEM FC Single Cell Based on a 3-D Printed Plastic Housing and Experimental Validation with the Mathematical Model,” Energy Procedia, 144, pp.63-74, 2018. Doi: 10.1016/j.egypro.2018.06.009

Selected Abstracts :

• Ambawatte H.C, De Silva Y.S.K, Jayewardhana R.B.P.U, Gunawardhane N. A, “Design and Fabrication of Bio Gas Cleaning Units” Proceedings of the 1st Annual Research Symposium-2014, Faculty of Engineering, University of Ruhuna , Hapugala, Galle, Sri Lanka, 18th January 2015, pp 45.
• S. K. De Silva, U. M. Rajagopalan, L. Danyang, H. Kadono, “In vivo monitoring of polystyrene microplastics effect on lentil seed germination and seedling growth using Biospeckle Optical Coherence Tomography”, 82nd JSAP Autumn Meeting, 10-13 September 2021.
• Y. S. K. De Silva, U. M. Rajagopalan, L. Danyang, H. Kadono, “Effect of Zn toxicity on lentil seed germination through high-speed monitoring of Biospeckle Optical Coherence Tomography”, 68th JSAP Spring Meeting, 16-19 March 2021.
• Y. S. K. De Silva, U. M. Rajagopalan, L. Danyang, H. Kadono, “Monitoring the effect of Alumina nanoparticles on lentil seed germination using Biospeckle Optical Coherence Tomography”, OSJ-OSA-OSK Joint Symposia on Optics, 14-15 November 2020.
• Y. S. K. De Silva, U. M. Rajagopalan, Danyang. Li, H. Kadono, “High speed assessment of the effect of micronutrient Zinc and Alumina on lentil seed germination using Biospeckle Optical Coherence Tomography” 81st JSAP Spring Meeting, 8th – 11th September 2020.
• Y. S. K. De Silva, U. M. Rajagopalan, H. Kadono, “Biospeckle Optical Coherence Tomography in monitoring the effect of micronutrient Zinc on lentil seed germination”, 67th JSAP Spring Meeting, 12-15 March 2020.
• Y. S. K. De Silva, P. Middleton, “Performance Comparison of Alkaline Electrolysis Stack with the Help of Mathematical Model”, SLSAJ Annual Research Conference, Embassy of Sri Lanka, Tokyo, Japan, 30th November 2019.