Dr. Sumith Baduge

Head, Senior Lecturer
PhD Ind Sc (Japan), MSc Eng (Japan), BSc Eng (Moratuwa, SL), MJSME
Github

Contact info

+ 94 770551047
sumithb@mme.ruh.ac.lk
Room E122

About

Research Interests and Collaborations

  • Numerical study on “effect of gravity and non-condensable gases on vapour flow field in
    the condenser section of a gravity assisted thermosyphon”, research project conducted for
    Master’s Degree program, University of Tsukuba, Tsukuba, Japan (1996 – 1998).
  • Experimental study on “Boiling heat transfer in a capillary tube under a low flow rate
    condition”, research project conducted for doctor’s course industrial sciences, Ibaraki
    University, Hitachi, Japan (2000 – 2003).
  • Experimental study on “Augmentation of boiling heat transfer in a capillary tube”,
    research project conducted as a research assistant, School of Science and Engineering,
    Ibaraki University, Hitachi, Japan (2001 – 2003).
  • Numerical and experimental study on “ Performance improvement in Darrieus type
    vertical axis wind turbine under low wind speeds”, research project conducted under the
    university research grant, University of Ruhuna, Galle, Sri Lanka (2009 – 2011)
  • Experimental study on “Usage of Coir Fibre Composites as Thermal Insulation Materals”
    research project conducted under the university research grant, University of Ruhuna,
    Galle, Sri Lanka (2011 – 2014)
  • Experimental study on “Usage of Loop Type Heat Pipes in Hot Water Solar Collectors”
    research project conducted under the university research grant, University of Ruhuna,
    Galle, Sri Lanka (2014 – 2019)
  • Performance Analysis of Combustion of Hydrocarbon fuel extracted from
    depolymerisation of waste plastic (2016 – up to date)

Teaching

  • MN7313 Power Hydraulics
  • MN6201 Application of CFD for Marine Design
  • MN6211 Heat and Mass Transfer (TE)
  • MN6213 Fluid Machinery
  • ME6205 Power Hydraulics
  • ME8301 Building Services Engineering
  • ME7218 Computational Fluid Dynamics for Design and Analysis of Engineering Systems

Publications

  1. Baduge, S. and Kobayashi, Y., Effect of Gravity and Noncondensable Gas on Condensation in variable conductance Heat pipe, Proceedings of the 72th Japanese society of Mechanical Engineers Annual meeting, Tokyo,Japan, (1995), Vol.1, pp.1.
  2. Baduge, S. and Kobayashi Y., Effect of Gravity and Noncondensable Gases on Vapor Flow in the Condenser Section of a Gas Loaded  Thermosyphon , Proceessings of Flight Mechanics  and Astrodynamics Symposium For year 1995, Institute of Space and Astronautical Science, Kanagawa , JAPAN,(1995), pp.79.
  3. Baduge, S., Effect of Gravity and Noncondensable Gases on Vapor Flowfield in the Condenser Section of a Gas-Loaded Thermosyphon, Open Symposium on Masters Programs research Works, Graduate School of Engineering Mechanics, Tsukuba University, Japan, (1996), pp.241.
  4. Baduge S., Kaminaga, F., Tanifuji, D. and Matsumura K., Boiling Heat Transfer Characteristics in a Small Diameter Tube under Forced Convective Condition, Proceedings of Flight Mechanics and Astrodynamics Symposium for Year 1999, Institute of Space and Astronautical Science, Kanagawa, Japan, (1999), pp.65.
  5. Baduge, S., Kaminaga, F., Tanifuji, D. and Matsumura, K., Heat Transfer Characteristics in a Small Diameter Tube on a Forced Convective Boiling , Proceedings of 37th National Heat Transfer Symposium,(2000), Vol.1, pp.347
  6. Baduge S., Kaminaga, F., Tanifuji, D. and Matsumura, K., Two–Phase Heat Transfer in a Small Diameter Tube under Sub-Atmospheric Pressure Condition, Proceedings of 4th JSME-KSME Thermal Engineering Conference, (2000), Vol.2, pp.347.
  7. Kaminaga, F., Baduge S., Chowdhury, F., and Matsumura, K., Boiling Heat Transfer in a Small Diameter Tube under Natural Circulation Condition, Proceedings of Boiling 2000 Phenomena and Emerging Application, Alaska, USA, (2000), Vol.1, pp.135.
  8. Baduge, S., Kaminaga, F., and Matsumura, K. Assessment of Void Fraction and Frictional Pressure Drop Correlations for Two-phase Flow in Capillary Tubes at Low Liquid Velocity, Proceedings of Flight Mechanics and Astrodynamics Symposium for Year 2000, Institute of Space and Astronautical Science, Kanagawa, Japan, (2000), pp.135.
  9. Kaminaga, F., Baduge, S., and Matsumura, K., Fundemental Process of Tharmal-Hydraulic phenomena in Severe Accident (4) Boiling Heat Transfer in a Narrow Channel, Proceedings of Japanese Society of Nuclear Power Annual Meeting Year 2000, Ehime University, Japan, (2000), pp.481.
  10. Baduge, S., Kaminaga, F., and Matsumura, K., Pressure Effect on Boiling Heat Transfer Characteristics in Small Diameter Tube, Proceedings of 37th National Heat Transfer Symposium, Japan (2001), pp.303.
  11. Baduge, S., Kaminaga, F., and Matsumura, K., Forced Convective Boiling in a Capillary Tube, Proceeding of the 8th Japanese Society of Mechanical Engineers Annual General Meeting, Japanese University, Tokyo, Japan, (2002), pp.519.
  12. Baduge, S., Kaminaga, F., and Matsumura, K., Flow Boiling Heat Transfer Characteristic of Water in Capillary Tube under Sub-atmospheric pressure conditions, Proceeding of 38th National Heat Transfer Symposium, Spporo City, Japan (2002), pp.719.
  13. Kaminaga, F., Baduge, S., and Matsumura, K., Flow Rate Effect on Boiling Heat Transfer in a Small Diameter Tube under Low Flow Rate Condition, 12th International Heat Pipe Conference, Russia, (2002) , Preprint Vol.1
  14. Baduge, S., Kaminaga, F., and Matsumura, K., Saturated Flow Boiling of Water in a Vertical Small Diameter Tube, Journal of Experimental Thermal and Fluid Science, 27 (2003), pp.789-801.
  15. Kaminaga, F., Baduge, S., and Matsumura, K., Pressure Drop in a Capillary Tube in Boiling Two-Phase Flow, First International Conference on Microchannels and ASME, Rochester, New York, USA, (2003), pp.635-642.
  16. Kaminaga, F., Baduge, S., and Matsumura, K., Pressure Drop in a Capillary Tube in Boiling Two-Phase Flow, Journal of Thermal Science and Engineering, Vol. 11 No.6 (2003), PP.15-23.
  17. Kaminaga, F., Baduge, S., and Matsumura, K., Convective Boiling Heat Transfer of Water in a Capillary Tube under Low Flow Rate Condition, Proceeding of the 13th International Heat Transfer Conference, August 2006, Sydney, Australia.
  18. Sanath J.A. and Sumith Baduge, Design and Development of High Efficiency Vertical Axis Wind Turbine by Changing Turbine Blade profile and Adding Deflectors with Rudder Mechanism, proceeding of Seventh Academic Sessions of University of Ruhuna. 2010.
  19. Sanath J.A., Sumith Baduge. and N.K. Hettarachchi, Performance Improvement of Vertical Axis Wind Turbine: Introduction of New Blade Profile with Deflector-Rudder Unit. Vidulka National Energy Symposium, August 2010, PP 65-69.
  20. Sanath J.A. and Sumith Baduge, Performance Analysis of Vertical Axis Wind Turbine: Introduction of New Blade Profile with Deflector-Rudder Unit. 66th Annual Session of SLAAS, December 2010.
  21. Gunasena C.P. and Sumith Baduge, Effect of Perimeter on Flow rate and Pressure Reduction in a helical flow path designed for Non Pressure Compensating Drip Emitters, 66th Annual Session of SLAAS, December 2010.
  22. Sanath, J.A. and Baduge, S., Study on Vertical Axis Wind Turbine with Introducing New Turbine Blade Profile and Deflector-Rudder Unit, Proceedings of the 8th Academic Sessions, University of Ruhuna, 2010, pp.56-62.
  23. Sanath J.A. and Sumith Baduge and N.K. Hettiarachchi, Numerical and Experimental study of a vertical axis wind turbine by introducing new turbine blade profile and deflector-rudder unit. Proceedings of Annual session of IESL 2011
  24. J.A. Sanath, Sumith Baduge and N.K. Hettiarachchi, Numerical and Experimental study on a Vertical Axis Wind Turbine by Introducing New Turbine Blade Profile and Deflector-Rudder Unit, Engineer journal, Annual Transactions of The Institution of Engineers, Sri Lanka, Vol. 1 –Part B (2011), pp. 27-35
  25. Talakotunna, A and Sumith Baduge, Study on Achieving Optimum Forced & Natural Ventilation in Air-Conditioning areas by considering Thermo-Fluid Dynamics Approaches, Proceedings of the First Annual Research Symposium, Faculty of Engineering, University of Ruhuna, 2014.
  26. Sumith B., Kasunjith K.A.A., Madushanka T.M.K. and Madanasinghe S.L., Automation of Existing Air Conditioning System Apparatus by using SCADA Software and Microcontroler, Proceedings of the 2nd Annual Research Symposium 2015, Faculty of Engineering, University of Ruhuna.
  27. Sumith B., Bandara D.M.S., Chathuranga S.H.M.D. and Udayanga K.M.I. Design and Fabrication of Rice Measuring Machine for Domestic Usage,  Proceedings of the 2nd Annual Research Symposium 2015, Faculty of Engineering, University of Ruhuna.
  28. Sumith B., Ranjan M.T.T. and Roshantha K.A.N.J., Design and Fabrication of Multipurpose Chair for Disabled and Elderly People in Sri Lanka, Proceedings of the 2nd Annual Research Symposium 2015, Faculty of Engineering, University of Ruhuna.
  29. Sumith B., Manaranga K.W.S., Jayasingha J.L.S. and Maduranga J.M.C.V., Solid Waste Fuelled Small Scale Steam Generator for Small Scale Industries and Power Generation, Proceedings of the 2nd Annual Research Symposium 2015, Faculty of Engineering, University of Ruhuna.
  30. Sumith Baduge and L.K.T. Srimal, A Study on Coir Fibre as Low Thermal Insulation Material, Proceedings of the 12th Academic Sessions, University of Ruhuna, 2015.
  31. E.P. Rohan, N.K. Hettiarachchi and Sumith Baduge, Conversion of Waste Polypropylene into Hydrocarbon Fuel – Analysis of the Effect of Batch Size on Reaction Time and Liquid Yield, , Engineer journal, Annual Transactions of The Institution of Engineers, Sri Lanka, Vol. XLVIII, No.03, pp. 27-35, (2015)
  32. W.H.T.P. Somarathna, W.K.P. Lakshan, W.M.B.P. Wejesundara and S. Baduge, Design and Fabrication of Aquatic Weed Removing Machine for Provincial Irrigation Department, Proceedings of the 3rd Annual Research Symposium 2016, Faculty of Engineering, University of Ruhuna
  33. G.M. Karunarathna, D.W.N.C. Silva, K.K. Lokusooriya, S. Baduge and K.A.D. Darshana, A Study on Development of Loop Heat Pipe Solar Collector for Water Heating”, Proceedings of the 3rd Annual Research Symposium 2016, Faculty of Engineering, University of Ruhuna
  34. B.R.T.M. Buwanayake, M.H.P. Dilnuwan, W.M.H.S.K. Warnasuriya, S. Baduge and M. Wikramasinghe, A study on Development of a Muscle Weakness Detection Method for Thigh, Proceedings of the 3rd Annual Research Symposium 2016, Faculty of Engineering, University of Ruhuna
  35. T.W. Jayasekara, W.G.G. Amal, S.Y. Nuwan, S. Baduge and M, Wikramasinghe, Design and Fabrication of Automated Sluice Gate System for Provincial Irrigation Department, Proceedings of the 3rd Annual Research Symposium 2016, Faculty of Engineering, University of Ruhuna
  36. S. Baduge and M.T.T. Ranjan, Effect of Non-condensable gasses on vapour flow field in the Condenser section of a Thermosyphon, Proceedings of the 13th Academic Sessions 2016, University of Ruhuna, Sri Lanka
  37. S. Baduge and M.T.T. Ranjan, Design and Fabrication of a Multipurpose Chair for Disabled and Elderly People in Sri Lanka, Proceedings of the 13th Academic Sessions 2016, University of Ruhuna, Sri Lanka
  38. A.M. Lahiru, L.K.T. Srimal, H.C.P. Karunarasena and S. Baduge, Value Addition for Coir Fibre as an Oil Absorbent Materials, Proceedings of the 13th Academic Sessions 2016, University of Ruhuna, Sri Lanka.
  39. E.P. Rohan, N.K. Hettiarachchi, B. Sumith, “Semi batch type small scale plant and process for converting waste plastics into hydrocarbon fuel”, Application no LK/P/1/18077, 05th January 2015.
  40. E.P. Rohan, N.K. Hettiarachchi and B. Sumith,“Effect of Process Parameters on Waste Plastic Pyrolysis in a Semi Batch Reactor”, International Conference on Multidisciplinary Approaches – 2015, University of Sri Jayewardenepura, Sri Lanka, pp. [174], 11-12, September 2015.
  1. S, M.T.T Ranjan, Effect of Gravity and Non-Condensable Gases on Vapour Flow Field the Condenser Section of a Gas-Loaded Thermo-syphon, Proceedings of 12th Academic Sessions, University of Ruhuna, Matara, Sri Lanka, held on 04th March 2015.
  2. T.T Ranjan, Baduge.S, Design and Fabrication of Multipurpose Chair for Disabled and Older People in Sri Lanka, Proceedings of 12th Academic Sessions, University of Ruhuna, Matara, Sri Lanka, held on 04th March 2015.
  1. E.P. Rohan, N.K. Hettiarachchi and B. Sumith, “Conversion of Waste Polypropylene into Hydrocarbon fuel – Analysis of the Effect of Pressure on Reaction Time and Liquid Yield”, 13th Academic Sessions, University of Ruhuna, pp. [30], 2nd March 2016, ISSN 2362-0412.
  2. E.P. Rohan, N.K. Hettiarachchi and B. Sumith, “Analysis of Composition and Properties of Waste Plastics Derived Liquid and Gaseous Hydrocarbon Fuel”, 14th Academic Sessions, University of Ruhuna, pp. [38], 1st March 2017, ISSN 2362-0412.
  1. T.T Ranjan, Baduge. S, Investigation of a Solar Loop Heat Pipe Water Heating System, Proceedings of 14th Academic Sessions, Faculty of Engineering, University of Ruhuna, Hapugala, Galle, Sri Lanka, held on 01st of March 2017
  1. E.P. Rohan, N.K. Hettiarachchi and B. Sumith, “Semi Batch Type Small Scale Plant for Conversion of Waste Plastics into Hydrocarbon fuel” Ruhuna Invention & Innovation Exhibition and Sahasak Nimavm National Exhibition (Southern Province) 2017, Jointly organized by University of Ruhuna and Sri Lanka Industrial Development Authority, at the Faculty of Science, University of Ruhuna, 17th and 18th May 2017. Gold Medal
  2. E.P. Rohan, N.K. Hettiarachchi and B. Sumith, “Small Scale Plant for Waste Plastics to Fuel Conversion”, Invention & Innovation Exhibition 2015 (IIE-2015), Faculty of Science, University of Ruhuna, 13th and 14th October 2015. Merit Award
  3. E.P. Rohan, N.K. Hettiarachchi and B. Sumith, “Semi Batch Type Small Scale Plant for Conversion of Waste Plastics into Hydrocarbon fuel”, New Tech 2015 Exhibition, Sri Jinarathana Karmika Puhunu Pasala, Gangaramaya Temple, Colombo 02, 11th, 12th and 13th December 2015. Merit Award with Rs. 100,000.00 Cash Award
  1. Hansani K. G. P., Sumith, B., & Karunasena, H. C. P. Novel use of the cell-linked list algorithm to reduce computational time in meshfree based numerical models for plant cell drying. Paper presented at the 2016 Manufacturing & Industrial Engineering Symposium (MIES), Colombo, Sri Lanka.
  2. Hansani K.G.P., Baduge S., & Karunasena H.C.P., “An Insight into Numerical Modelling of Multiscale Deformations of Plant Tissues during Drying. Abstracts of the Annual Research Symposium, Faculty of Engineering, University of Ruhuna, Galle”, 2016
  3. G.P. Hansani, B. Sumith and H. C. P. Karunasena, “Application of the Linked List Algorithm to Reduce Computational Time of Meshfree Based Plant Tissue Drying Models,” in 14th Academic Sessions University of Ruhuna, 2017
  4. G.P. Hansani, H.C.P. Karunasena and B. Sumith, “Application of fixed neighbourhood method for meshfree based plant cell models to reduce computational cost,” in International Conference on Computational Modelling and Simulation-Colombo, Sri Lanka, 2017
  5. G.P. Hansani, B. Sumith and H. C. P. Karunasena, ” A Fixed Neighbourhood based SPH Approach for Faster Numerical Simulation of Fluid Domains Having Low Reynolds Number Flow Conditions,” in 15th Academic Sessions University of Ruhuna, 2018
  6. T.T Ranjan, Galappaththi U.I.K, Baduge S, Wimalsiri W.K, Analysis of the Dimensional Properties of “Samanala/Dingy” Boats Manufactured in Sri Lanka by Using DNV-GL Standards, 16th Academic Sessions, Faculty of Science, University of Ruhuna, Mathara, Sri Lanka, held on 4th of March 2018.
  7. H.K. Gamage, A.K.C.I. Kodithuwakku, S. Baduge and H.C.P. Karunasena. “A unit cell approach to reduce computational time of meshfree based plant tissue models” in 11th International Research Conference-Kotelawala Defence University, 2018
  8. G.P. Hansani, A.K.C.I. Kodithuwakku, B. Sumith, H.C.P Karunasena, ” Use of Adaptive FN-SPH method to Efficiently Model Meshfree based Compressed Plant Cells during Drying,” in 16th Academic Sessions University of Ruhuna, 2019
  9. K.C.I. Kodithuwakku, K.G.P. Hansani, B. Sumith, H.C.P. Karunasena, “Analysis of Computational Advantages Offered by GPU Over CPU in Meshfree Particle Based Numerical Modelling and Simulation of a Single Plant Cell”, in 16th Academic Sessions University of Ruhuna, 2019
  10. T.T Ranjan, Galappaththi U.I.K., Baduge S, Wimalsiri W.K, Technology Transfer Opportunities for Introducing Vacuum Assisted Resin Transfer Moulding Technique to Sri Lankan Boat Building Sector, 7th International Conference on Engineering and Technology (ICET 2019), Galle Face Hotel, Colombo, Sri Lanka, held on 17th of December 2019.
  11. T.T Ranjan, Galappaththi U.I.K, Baduge S, Wimalsiri W.K, Analysis of the Dimensional Properties of “Samanala/Dingy” Boats Manufactured in Sri Lanka by Using DNV-GL Standards, 16th Academic Sessions, Faculty of Science, University of Ruhuna, Mathara, Sri Lanka, held on 6th of March 2019.
  12. Ratheesan, R., Kumara, K. J., Annasiwaththa, A. B., & Baduge, S., Review on Mathematical Modelling of Boomerang for Novel Outfield Applications," ENGINEER, Vol. LVII, No. 3, pp. 61- 73, 2024.
  13. Rajathurai, R., Kumara, K. J.,Baduge, S. (2023). Flight Dynamics of A ‘V’ Shape Boomerang: Effect of Wind on Boomerang Trajectory. Moratuwa Engineering Research Conference (p. 43). University of Moratuwa.

Contributions and Awards

Projects

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Proffesional Experiences

  • Senior Lecturer , Department of Mechanical and Manufacturing Engineering, Faculty of Engineering, University of Ruhuna, Galle, Sri Lanka (2004-2016)
  • Temporary Senior Lecturer, Department of Mechanical and Manufacturing Engineering, Faculty of Engineering, University of Ruhuna, Galle, Sri Lanka (2003-2004)
  • Teaching Assistant, Faculty of Engineering, Ibaraki University, Hitachi, Japan.(2000-2002)
  • Instructor/Demonstrator, Open University, Sri Lanka 1991-1992
  • Visiting Lecturer, Technical College, Sri Lanka 1986-1988