Senior Lecturer (Department of Mechanical Engineering)
Dr. Geethal Siriwardana holds a Bachelor of Science of Engineering (B.Sc.Eng.) in Mechanical and Manufacturing Engineering from the University of Ruhuna, a Master of Engineering (MEng) degree from the University of Moratuwa, and has completed his PhD at the University of Sri Jayewardenapura. His doctoral research focused on ‘Numerical modelling of nanofluid based two-phase flow and heat transfer in microchannels.’ Presently, he holds the dual memberships of Associate Member with the Institution of Mechanical Engineers (iMechE), United Kingdom, and Associate Member with the Institution of Engineers, Sri Lanka (IESL). His research interests are computational fluid dynamics, aerodynamics, microfluidics, and heat transfer.
Journal Papers
2025
Siriwardana, G., Rajapakse, A., Bandara, T., Mudunkotuwa, D. & Makavita, D. (2025) ‘Multiclass classification of two-phase flow patterns using classical and deep learning models with automated hyperparameter optimization’, International Communications in Heat and Mass Transfer, 169, 109886.
Siriwardana, G. & Bandara, T. (2025) ‘Enhancing heat transfer performance in non-mixing liquid slug flow with the use of alumina nanoparticles in microchannels: A numerical study’, International Journal of Multidisciplinary Studies, 11(1), pp. 31–51.
2024
Siriwardana, G. & Bandara, T. (2024) ‘Recent advancements in Computational Fluid Dynamics (CFD) modelling of nanofluids: A review’, International Journal of Multidisciplinary Studies, 11(2), pp. 88–107.
Conference Proceedings
2025
Donalds, J. & Siriwardana, G. (2025) ‘Development of a multi-layer bi-directional gravity conveyor based storage system for continuous storage and retrieval of bins in buffer zones’, International Engineering Research Symposium, 1(1).
Weerakkody, D. & Siriwardana, G. (2025) ‘Multi directional stabilizing active wing’, International Engineering Research Symposium, 1(1).
Pathirana, A. & Siriwardana, G. (2025) ‘How dent holes affect the aerodynamic performance of an airfoil’, International Engineering Research Symposium, 1(1).
2024
Rajapakse, A.M., Thilakarathne, U.E., Dasanayake, C.U., Siriwardana, G. & others (2024) ‘Numerical analysis of Al₂O₃ nanofluid based slug flow heat transfer in microchannels’, Moratuwa Engineering Research Conference (MERCon), 2024(1).
Sampath, R.Y., Siriwardana, S.S.G.C. & Bandara, P.M.T. (2024) ‘Abnormal vibration triangulation modelling methods in internal combustion engines’, International Conference on Simulation & Modelling, Nugegoda, Sri Lanka, 1(1).
Gunarathne, S., Mudunkotuwa, D., Appuhamy, D. & Siriwardana, G. (2024) ‘Bio inspired aircraft wing design to reduce flow generated noise’, International Conference on Simulation & Modelling, Nugegoda, Sri Lanka, 1(1).
Wijetunge, U. & Siriwardana, G. (2024) ‘Reducing wake in Formula One cars using biomimicry’, International Conference on Simulation & Modelling, Nugegoda, Sri Lanka, 1(1).
2022
Siriwardana, G., Bandara, T. & Ranasinghe, C. (2022) ‘Heat transfer enhancement in microchannels with liquid–liquid slug flow using Al₂O₃ nanoparticles’, Moratuwa Engineering Research Conference (MERCon), pp. 1–6.
2021
Jayasooriya, P.V., Siriwardana, G.C. & Bandara, T.R. (2021) ‘Vibration analysis to detect and locate engine misfires’, International Research Conference on Smart Computing and Systems.
2018
Siriwardana, G. & Bandara, T. (2018) ‘Heat and steam recovery system to reduce the water usage’, International Conference of Multidisciplinary Approaches, 1(1), p. 21.
Monographs
Siriwardana GC (2024). Numerical modelling of nanofluid based two-phase flow and heat transfer in microchannels (Doctoral Dissertation, University of Sri Jayewardenepura, Sri Lanka).
Siriwardana GC (2022). Numerical Study of Microchannel Heat Transfer with Nanofluid Based Two-Phase Slug Flow (Masters Dissertation, University of Moratuwa, Sri Lanka).
|
Project |
Affiliation |
Student Name |
|
Numerical Modeling of Hydrodynamics and Heat Transfer Performance of Nanofluid-Based Two phase Flow in Microchannels |
MPhil – Faculty of Engineering, University of Sri Jayewardenepura |
Mr. Anjan Mevan Rajapakse |
Phone: Ext.: 7431
E-mail: geethal@sjp.ac.lk