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Journal Publications

B.H.B.P.D. Baddegamage, Seong Jong Bae, Seung Hyun Jang, S.D.G.S.P. Gunawardane, Young-Ho Lee, Kilwon Kim, Min Yoon " Performance improvement of a cross-flow air turbine for oscillating water column wave energy converter by nozzle and blade optimization " Ocean Engineering , vol.316, January , 2025, https://doi.org/10.1016/j.oceaneng.2024.119986,
R.L.K.Lokuliyana, Matt Folley, S.D.G.S.P.Gunawardane " Analysis of wave resource model spatial uncertainty and its effect on wave energy converter power performance" " Journal of Ocean Engineering and Marine Energy, Springer Nature, vol.9, Issue 4, 2023, 10.1007/s40722-023-00294-x,
Dylan S. Edirisinghe, Ho-Seong Yang, S.D.G.S.P. Gunawardane, Ali Alkhabbaz,Watchara Tongphong, Min Yoon, Young-Ho Lee " Numerical and experimental investigation on water vortex power plant to recovery the energy from industrial wastewater " Renewable Energy , vol.204,, 2023, pp.617-634, https://doi.org/10.1016/j.renene.2023.01.007,
Dylan S. Edirisinghe, Ho-Seong Yang, S D G S P Gunawardane, Young-Ho Lee " Enhancing the Performance of Gravitational Water Vortex Turbine by Flow Simulation Analysis " Renewable Energy , vol.194, 2022, pp.163-180, https://doi.org/10.1016/j.renene.2022.05.053,
Min-Sung Kim, Dylan Sheneth Edirisinghe, Ho-Seong Yang, S.D.G.S.P.Gunawardane , Young-Ho Lee " Effects of blade number and draft tube in gravitational water vortex power plant determined using computational fluid dynamics simulations " Journal of Advanced Marine Engineering and Technology, vol.45, Issue 5, 2021, pp.252-262, 10.5916/jamet.2021.45.5.252,
Dylan Sheneth Edirisinghe, Ho-Seong Yang, Min-Sung Kim, Byung-Ha Kim, Sudath Prasanna Gunawardane , Young-Ho Lee " Computational Flow Analysis on a Real Scale Run-of-River Archimedes Screw Turbine with a High Incline Angle " Energies , vol.14, Issue 11, 2021, https://doi.org/10.3390/en14113307,
S.D.G.S.P. Gunawardane, G.A.C.T. Bandara, Young-Ho Lee " Hydrodynamic analysis of a novel wave energy converter: Hull Reservoir Wave Energy Converter (HRWEC) " Renewable Energy , vol.170, 2021, pp.1020-1039, https://doi.org/10.1016/j.renene.2021.01.140,
Ravindu Lokuliyana, Matt Folley, S.D.G.S.P. Gunawardane, L.N.Wickramanayake " Sri Lankan Wave Energy Resource Assessment and Characterization according to IEC standards " Renewable Energy , vol.162 , 2020, pp.1255-1272, https://doi.org/10.1016/j.renene.2020.08.005,
L.U. Bakmeedeniya, S.D.G.S.P. Gunawardane, Byung-Ha Kim, Young-Ho Lee " Primary energy conversion performance of "Pendulor" wave energy device with bottom gap " Journal of Advanced Marine Engineering and Technology, vol.44, Issue 4, 2020, pp.338-343, https://doi.org/10.5916/jamet.2020.44.4.338 ,
Udara Rathnayake, Matt Folley, S.D.G.S.P.Gunawardane, Carwyn Frost " Investigation of the Error of Mean Representative Current Velocity Based on the Method of Bins for Tidal Turbines Using ADP Data " Journal of Marine Science and Engineering ,, vol.8, Issue 390, 2020, DOI: 10.3390/jmse8060390,
S.D.G.S.P. Gunawardane, Sudesh Rathnayake, Byung-Ha Kim, Young-Ho Lee " Hydrodynamics of top hinged OWSC wave energy device the "Pendulor" with a bottom gap " Journal of Advanced Marine Engineering and Technology, vol.44, Issue 1, 2020, pp.75-81, DOI: 10.5916/jamet.2020.44.1.75,
S.D.G.S.P. Gunawardane, M. Folley, C.J. Kankanamge " Analysis of the hydrodynamics of four different oscillating wave surge converter concepts " Renewable Energy , vol.130, 2019, pp.843-852, https://doi.org/10.1016/j.renene.2018.06.115 ,
Sudath Prasanna Gunawardane, Chatura Jayan Kankanamge, Tomiji Watabe " Study on the Performance of the "Pendulor" Wave Energy Converter in an Array Configuration " Energies , vol.9, Issue 4, 2016, doi:10.3390/en9040282,
Amarasekara, H.W.K.M.; Abeynayake, P.A.G.S.; Fernando, M.A.R.M.; Atputharajah, A.; Uyanwaththa, D.M.A.R.;Gunawardane, S.D.G.S.P.; Gerdin, L.; Keijser, M.; F�hraeus, M.W.; Fernando, I.M.K " A prefeasibility study on ocean wave power generation for the Southern Coast of Sri Lanka: Electrical feasibility " Int. J. Distrib. Energy Resour. Smart Grids , vol.10, 2014, pp.79-93,
S. D. G. S. P. Gunawardane, Hirotaka Yokouchi " On the snagging operation: Part I: Modeling and simulation of wheel wear characteristics " Precision Engineering, Journal of the International Societies for Precision Engineering and Nanotechnology, vol.28, Issue 3, 2004, pp.261-269,
S. D. G. S. P. Gunawardane, Hirotaka Yokouchi " On the snagging operation: Part II: Machine dynamics and chaos " Precision Engineering, Journal of the International Societies for Precision Engineering and Nanotechnology, vol.28, Issue 3, 2004, pp.270-279,

Conference Proceedings

Ujjwal Shrestha, Prasanna Gunawardane, Young-Do Choi Hydraulic loss analysis of pump-turbine according to the specific speed in turbine mode in 15tn International Conference of Sustainable Built Environment (ICSBE), year 2024, Kandy, Sri Lanka, 20-22 December 2024,
B.H.B.P.D. Baddegamage, Ho-Seong Yang, S D G S P Gunawardane, Young-Ho Lee Investigating the Interdependent Influence of Wind Velocity, Deflector Distance, and Deflector Angle on Savonius Vertical Axis Wind Turbine Efficiency in 3rd SLIIT International Conference on Engineering and Technology(SICET), year 2024, Malabe, Sri Lanka, 24-25 July, 2024,
R.L.K. Lokuliyana, S.D.G.S.P. Gunawardane, Y.H. Lee Estimation of Annual Energy Production and Device Parameter Optimisation in Sri Lankan Wave Climatic Conditions in 13th International Conference of Sustainable Built Environment (ICSBE), year 2023, Kandy, Sri Lanka, December 2023,
V A U De Alwis, A P K De Silva, S D G S P Gunawardane, Young-Ho Lee Computational Fluid Dynamic Simulation of Hull Reservoir Wave Energy Device in 16th Asian Conference on Fluid Machinery, year 2021, Yokohama, Japan , J. Phys.: Conf. Ser. , 13-15 September 2021,
S.D.G.S.P. Gunawardane, H.M.C.B.Gunaratne, Young-Ho Lee Geometric optimization of an L shaped vibration energy harvester for a bridge structure in IEEE, i-COSTE , year 2020, Gold Coast, Australia, 16th � 18th December 2020,
Dylan S. Edirisinghe, Kim-Byeong Ha, S. D. G. S. P. Gunawardane, Young-Ho Lee Computational Flow Analysis on 45 degrees inclined, Real-scale Archimedes Screw Turbine in IEEE, i-COSTE , year 2020, Gold Coast, Australia, 16th � 18th December 2020,
Gunarathne, H.M.C.B., Gunawardane, S.D.G.S.P. Design of an 'L' Shape Tuned Vibration Energy Absorber for a Structural Health Monitoring System in IESL Young Members Conference, year 2019, Colombo, Sri Lanka , November,2019.,
R.L.K. Lokuliyana, Matt Folley, S.D.G.S.P. Gunawardane, P.N. Wickramanayake Importance of Developing a Sri Lankan Wave Energy Resource Assessment According to IEC Standards in Vidulka, National Energy Symposium , year 2019, Colombo, Sri Lanka , 2019,
Tomiji Watabe, S.D.G.S.P.Gunawardane A case Study on Pendulor Wave Power Converter for Coastal Operation of Sri Lanka?Design of the Piston Pump for the HST (Hydro-Static Transmission) of the Pendulor in Proceedings of Marine Research Centre, Saga University OTEC Vol.24 , year 2019, Saga, Japan , 2019,
L.U. Bakmeedeniya, S.D.G.S.P.Gunawardane Experimental investigation of top hinged flap type wave energy device with a bottom gap- Preliminary experimentation in International conference, ICSBE, year 2018, Kandy, Sri Lanka, 13th � 15th December 2018,
S.D.G.S.P.Gunawardane, Sudesh Ratnayake, Tomiji Watabe New hybrid HST pump development for wave energy applications-Study on the slipper bearing of an axial piston pump in 4th Asian Wave and Tidal Energy Conference (AWTEC 2018), year 2018, Taipei, Taiwan, Sep. 9-13, 2018 ,
M.Folley, S.D.G.S.P.Gunawardane The development of marine renewable energy in Sri Lanka in Vidulka National Energy Symposium, year 2017, Colombo, Sri Lanka , November, 2017,
S.D.G.S.P.Gunawardane, M.Folley, Supun Sanjaya Spectral-Domain Modelling of the Nonlinear Hydrostatic Stiffness of a Heaving-Sphere Wave Energy Device in 28th International Symposium on Transport Phenomena (ISTP 28), year 2017, Peradeniya, Sri Lanka, September 22-24, 2017,
S.D.G.S.P.Gunawardane, C.J.Kankanamge, H.M.S.Sanjaya,Tomiji Watabe , Young-Ho Lee Modelling of 50 kW Top Hinged Flap Type Pilot Wave Energy Device for Southern Coastal Region in Sri Lanka in Asia Wave and Tidal energy Conference (AWTEC), year 2016, Singapore , October 2016,
Tomiji Watabe, S.D.G.S.P.Gunawardane Wave power converter Pendulor with Hybrid HST in The 10th JFPS International Symposium of Fluid Power, year 2017, Fukuoka, Japan , October 24-27, 2017,
T.Watabe, Prasanna Gunawardane Study on the practical Pendulor for the near future(in Japanese) in Proceedings of Marine Research Centre, Saga University, OTEC Vol. 21 , year 2025, Saga, Japan , 2016,
S.D.G.S.P.Gunawardane, Chathura Jayan Kankanamge Development of 2D potential theory using wave maker theories for Pendulor wave energy device in Annual transactions of IESL, Volume I, Part B, year 2015, Colombo, Sri Lanka , pp.217-223, IESL, October 2015,
Chathura Jayan Kankanamge, H.M.Supun Sanjaya, SDGSP Gunawardane Characteristics of hydrostatic power transmission system (HST) of flap type wave energy device for irregular wave conditions in International Conference on Sustainable Built Environment ICBSE, year 2014, Kandy, Sri Lanka, pp.193-200, December 2014,
S.D.G.S.P Gunawardane, K.MG.R.S.Premaratne, J.C.Ravinatha Performance testing of Pendulor type wave energy device with improved power measuring system in International conference on Sustainable Built Environment (ICSBE), year 2012, Kandy, Sri Lanka, 14-16 December 2012,
S.D.G.S.P Gunawardane, D.M.A.R Uyanwaththa Wave energy utilization- A review on technology and prospects in Sri Lanka in Vidulka National Energy Symposium, year 2025, Colombo, Sri Lanka , pp.109-112, 2011,
S.D.G.S.P Gunawardane, D.M.A.R Uyanwaththa, S.B.Tennakoon, W.M.J.B.Wijekoon, R.A.P.C.Ranasinghe Model study on �Pendulor� type wave energy device to utilize ocean wave energy in Sri Lanka in International conference on Sustainable Built Environment (ICSBE) , year 2010, pp.297-303, December, 2010,
S.D.G.S.P.Gunawardane, H. Yokouchi Dynamics and Chaos in Less Stiff Grinding Machines in Asia Pacific Vibration Conference (APVC), year 2025, Brisbane, Australia., pp.157-163, 12th �14th, November, 2003,
Tomiji Watabe, Hirotaka Yokouchi, S.D.G.S.P. Gunawardane, Ajith Takkar Autonomous Optimization Control and the Controller for Pendulor (An Ocean Wave Power Converter) in Fluid Power, Fifth JEPS International Symposium (2002), year 2002, Nara, Japan, pp.843-847, November 12-15, 2002,
Tomiji Watabe, Hirotaka Yokouchi, S.D.G.S.P. Gunawardane Heave and Pitch Buoy (HPB), A miniature Wave Energy Converter in Proceeding of the Twelfth (2002) international offshore and Polar Engineering Conference, year 2002, Kitakyushu, Japan, pp.649-654, May 26-31, 2002,
T. Watabe, H. Yokouchi, S.D.G.S.P. Gunawardane, B.R.K. Obeysekera, U.I. Dissanayake Preliminary study on Wave Energy Utilization in Sri Lanka in Proceedings of the eleventh International Offshore and Polar Energy Conference, year 2001, Stavanger, Norway, pp.596-603, June 17-22, 2001,
T. Watabe, H. Yokouchi, S.D.G.S.P. Gunawardane Heave and Pitch Buoy for offshore use (In Japanese) in Japanese society of design engineers, summer conference, year 2025, Hokkaido University, Japan , pp.11-14, May 2001,
S.D.G.S.P. Gunawardane, H. Yokouchi Performance of a newly developed ocean wave energy converter-Heave and Pitch buoy in Japanese society of design engineers, Summer conference, year 2001, Hokkaido University, Japan , pp.7-10, May 2001,
T.Watabe, T.Iiijima, H.Yokouchi, S.P.Gunawardane -10kW Ocean Wave Power Device :Heave and Pitch Buoy in Japanese Society of Design Engineers, Summer Conference, year 1999, Muroran, Japan , pp.71-74, August, 1999,