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 in Microchannels with Heat Transfer.’ 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). He has served as a trainee engineer for Srilankan Airlines Ltd. and Ceylon Tobacco Company PLC and has held positions as a mechatronics engineer and industrial engineer at prominent technology and manufacturing firms. His research interests are computational fluid dynamics, aerodynamics, microfluidics, and heat transfer.
Journal Papers
Siriwardana, G. and Bandara, T. (2024), ‘Enhancing heat transfer performance in non-mixing liquid slug flow with the use of alumina nanoparticles in microchannels’, International Journal of Multidisciplinary Studies, vol. 11, issue 1.
Siriwardana, G. and Bandara, T. (2024), ‘Recent advancements in computational fluid dynamics (CFD) modelling of nanofluids’, International Journal of Multidisciplinary Studies, vol. 11, issue 2.
Conference Proceedings
Siriwardana, G. and Bandara, T. (2023), ‘Numerical modelling of water-alumina nanofluid convective heat transfer using an Eulerian-Eulerian framework’, 17th International Heat Transfer Conference – Accepted Manuscript. Keywords: Nanofluid, Heat Transfer, Numerical, OpenFOAM, Laminar Flow.
Rajapakse, A. M., Thilakarathne, U. E., Dasanayake, C. U., Siriwardana, G. and Bandara, T. (2023) ‘Numerical analysis of Al2O3 nanofluid based slug flow heat transfer in microchannels’, 17th International Heat Transfer Conference – Accepted Manuscript. Keywords: Slug flow, Taylor flow, nanofluids, hydrodynamics, heat transfer, microchannel, CFD.
Siriwardana, G., Bandara, T. and Ranasinghe, C. (2022), ‘Heat transfer enhancement in microchannels with liquid – liquid slug flow using Al2O3 nanoparticles’, Moratuwa Engineering Research Conference (MERCon). doi: 10.1109/MERCon55799.2022.9906139.
Jayasooriya, P. V., Siriwardana, G. C. and Bandara, T. R. (2021), ‘Vibration analysis to detect and locate engine misfires’, International Research Conference on Smart Computing and Systems Engineering 2021. doi: https://doi.org/10.1109/SCSE53661.2021.9568327.
Siriwardana, S. S. G. C., Perera, I. M. V. R. T., Abhayawardana, N. M. C. S. S., Herath, H. M. C. M. and Karunasena, H. C. P. (2017), ‘Development of a steam heated evaporator for palm oil effluent densification’, Annual Research Symposium, Faculty of Engineering, University of Ruhuna.
Siriwardana, S. S. G. C. and Bandara, T. (2018) ‘Heat and steam recovery system to reduce water usage’, Proceeding of the 5th International Conference on Multidisciplinary Approaches.
Siriwardana, G. and Bandara, T. (2019) ‘Can segmented flow improve cooling performance of electronic devices’, Academic Research Conference at Australian College of Business and Technology.
Abhayawardana, N. M. C. S. S., Perera, I. M. V. R. T. and Siriwardana, S. S. G. C. (2016) ‘Development of an evaporator to densify liquid effluents produced by the palm oil mill of Watawala Plantations PLC’, Undergraduate thesis publication.
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).
Phone: Ext.: 7431
E-mail: geethal@sjp.ac.lk