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You are here: OUSL / Faculty of Engineering Technology / Dept. of  Mechanical Engineering

Eng.(Mrs.) T.S.S. Jatunnarachchi

B.Sc.Eng. (Hons) (University of Moratuwa), M.Phil (OUSL),AMIE(SL)

Senior Lecturer (G I)

Dept. of Mechanical Engineering
  • Central Campus, 1st floor intermediate, Science and Technology building, Room No : E108
  • Office: +94112881044, Ext: 544 Mobile: +94712761774
  • tssaj@ou.ac.lk, sajeewareka@gmail.com

I am Sumudu Sajeewareka  Jatunarachchi, graduated from  University of Moratuwa, Sri Lanka in 1992  and obtained B.Sc honors degree in the field of Chemical Engineering.  I  joined the Open University of Sri Lanka in 1993 and obtained MPhil degree in the area of Bio methanation processes and  renewable energy in 2000. Presently I am  serving as a  Senior lecturer at the  Department of Mechanical Engineering. My teaching areas are  Thermodynamics, Renewable Energy Technologies, Energy Engineering & Management etc. I am  involved  research projects related to energy  and renewable energy technologies.

Energy Engineering, Renewable energy technologies

Renewable energy, Thermodynamics, Heat transfer

DMX4202- Applied Thermodynamics I
DMX5205- Applied Thermodynamics II
DMX7301- Thermal Power Generation

  • Jatunarachchi, T. S. S., Senaratna, A. U., & De Alwis, A. (2006). Study of anaerobic digestion of brewery spent grains. International Energy Journal, 7(4).
  • Liyanage, K. N. H. P., & Jatunarachchi, T. S. S. (2005). Cleaner production in Sri Lanka: Role of higher educational institutions. Journal of Scientific & Technical Studies, Nepal.
  • Sena Peiris, V. R., Liyanage, K. N. H. P., & Jatunarachchi, T. S. S. (2006). Profitability through cleaner production. Proceedings of the Third International Conference on Business Management, University of Sri Jayewardenepura, Sri Lanka.
  • Senanayake, N. S., Jatunarachchi, T. S. S., & Pathiraja, Y. (2011). Situation analysis in the construction and operation of biogas plant: A case study at the Open University of Sri Lanka. Proceedings of the International Conference & Utility Exhibition.
  • De Silva, K. B. S., Senanayake, N. S., & Jatunarachchi, T. S. S. (2013). Cooling effect caused by magneto-caloric materials. Proceedings of the 69th Annual Sessions, SLAAS, 2–6 December.
  • Kahandagamage, G. A., Senanayake, N. S., & Jatunarachchi, T. S. S. (2013). Effect of charge air temperature on specific fuel consumption in intercooled direct injection diesel engines used for power generation. International Review of Mechanical Engineering, 7(7), 1446–1450.
  • Kahandagamage, G. A., Senanayake, N. S., & Jatunarachchi, T. S. S. (2014). Performance and emission analysis of intercooled direct injection diesel engines used for power generation during day and night time operation: A case study. International Journal of Energy Engineering, 4(1), 16–20.
  • Lakshitha, M., Senanayake, P. D. M., & Jatunarachchi, T. S. S. (2015). Feasibility of operating organic Rankine cycle with waste heat. Proceedings of the Annual Sessions, Sri Lanka Association for the Advancement of Science (SLAAS), December.
  • Chandrakumara, H. G. D., Sadaruwan, N. S. P. M., Dadigamuwa, P. R., & Jatunarachchi, T. S. S. (2016). Saving energy consumption in glass printing Lehr. European Journal of Advances in Engineering and Technology, 3(11), 42–45.
  • Mallawaarchchi, N. S., Sumanasiri, K. R. D., & Jatunarachchi, T. S. S. (2016). Developing a double drill machine to enhance the accuracy of the drilling process in brush manufacturing. Proceedings of the 72nd Annual Sessions, Sri Lanka Association for the Advancement of Science (SLAAS), p. 28, December.
  • Chandrakumara, H. G. D., Sadaruwan, N. S. P. M., Dadigamuwa, P. R., & Jatunarachchi, T. S. S. (2017). Method of minimizing gas consumption in glass printing Lehr. Proceedings of the Annual Sessions, Sri Lanka Association for the Advancement of Science (SLAAS), December.
  • Morapitiya, M. J. B., Wijewardana, D. C., & Jatunarachchi, T. S. S. (2017). Performance enhancement of a laboratory steam power plant condenser. Proceedings of the Annual Sessions, Sri Lanka Association for the Advancement of Science (SLAAS), December.
  • Sandaruwan, N. S. P. M., Dadigamuwa, P. R., & Jatunarachchi, T. S. S. (2018). Waste heat recovery from printing Lehr of glass manufacturing process. European Journal of Advances in Engineering and Technology, 5(8), 521–524.
  • Analysis of CO2 emission and future scenario in Sri Lanka‹¨«s Hotel Industry
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PO Box 21, The Open University of Sri Lanka, Nawala, Nugegoda.
Email: pio@ou.ac.lk
Phone: +94 11 288 1000