Home > Department Staff > Profiles :

Dr (Mrs) W J M Samaranayake, BSc (Peradeniya), DEng (Kumamoto), CPhys, MIP (SL), MIEE (Japan)

	Designation	:	Senior Lecturer - Grade I
	Spcialized Field	:	Plasma Physics
	Mailing Address	:	Department of Physics, University of Kelaniya, Kelaniya 11600, Sri Lanka
	Telephone	:	(+94) (0)11 2903351 (Office) (+94) (0)34 2228991 (Residence)
	Email	:	janaki@kln.ac.lk

Research Interests

• Ozone generation for industrial applications using pulsed power technology, Non-thermal gas discharges, and Plasma Physics (chemical plasmas)

Publications

1. WJM Samaranayake, Numerical Simulation of Ozone Using Pulsed Discharges in Oxygen, CHEMTECH 2007, Institute of Chemistry Ceylon, p. 54 (2007)
2. WJM Samaranayake and LSR Kumara, High Voltage Engineering Applications in Sri Lanka, IEEJ Magazine of Electrical Insulation News in Asia, p. 26 (2005).
3. JHSR De Silva and WJM Samaranayake, Universal Length Measuring Tool-Smart Logger Pro XP 2.0, IEEE Int. Symposium on Electrical Insulating Materials (ISEIM),  Japan, P2-60, pp. 760-762 (2005)
4. WJM Samaranayake, Digital Electronics, Physics MagazineInst. Phys., Sri Lanka1, pp. 48-59 (2005)
5. JHSR De Silva and WJM Samaranayake, Modifications Resulting in a Faster, Quieter and Cooler PC, Proc. 60^th Annual Sess., SLAAS, p. 502 (2004)
6. KMDC Jayathilaka and WJM Samaranayake, Design of an Electronic House Protection System,Proc. 60^th Annual Sess., SLAAS, p. 501 (2004)
7. WJM Samaranayake, R Hackam and H Akiyama, Ozone Synthesis in a Cylindrical Dry Air-fed Ozonizer by Non Thermal Gas Discharges, Proc. IEEE Int. Conf. on Properties and Application of Dielectric Materials (ICPADM), Japan, pp. 547-550 (2003)
8. WJM Samaranayake, Y Miyahara, T Namihira, S Katsuki, R Hackam and H Akiyama,Ozone Generation in Dry Air Using Pulsed Discharges With and Without a Solid Dielectric Layer, IEEE Trans. DEI 8, pp. 687-697 (2001)
9. WJM Samaranayake, Y Miyahara, T Namihira, S Katsuki, T Sakugawa, R Hackam and H Akiyama, Pulsed Power Production of Ozone Using Non-thermal Gas Discharges,IEEE Electrical Insulation Magazine 17, pp. 17–25 (2001)
10. WJM Samaranayake, Y Miyahara, T Namihira, R Hackam and H Akiyama, Pulsed Power Production of Ozone in O₂/N₂ in a Coaxial Reactor Without Dielectric Layer, IEEE Trans. DEI 8, pp. 826 -831 (2001)
11. WJM Samaranayake, R Hackam and H Akiyama, Ozone Synthesis in Oxygen Using a Pulsed Discharge, Proc. IEEE Int. Conf. on EIC, USA, pp. 449-452 (2001)
12. WJM Samaranayake, Y Miyahara, T Namihira, S Katsuki, R Hackam and H Akiyama, Production of Ozone in Oxygen, Dry Air and in Gas Mixtures of O₂ and N₂ Without Solid Dielectric, Discharge Conf. IEEJ, ED-01-33/DEI-01-39/HV-01-33, pp. 87-92 (2001)
13. WJM Samaranayake, Pulsed Power Production of Ozone in Non-thermal Gas Discharges, DEng Thesis, Kumamoto University, Japan (2001)
14. WJM Samaranayake, Y Miyahara, T Namihira, S Katsuki, R Hackam and H Akiyama, Ozone Generation in Oxygen Using Pulsed Discharges, Proc. IEEE Int. Conf. on EIDP, Canada (2000)
15. WJM Samaranayake, Y Miyahara, T Namihira, S Katsuki, T Sakugawa, R Hackam and H Akiyama, Pulsed Streamer Discharge Characteristics of Ozone Production in Dry Air, IEEE Trans. DEI 7, pp. 254-260 (2000)
16. WJM. Samaranayake, Y Miyahara, T Namihira, S Katsuki, R Hackam and H Akiyama, Ozone Production Using Pulsed Dielectric Barrier Discharges in Oxygen, IEEE Trans. DEI  7, pp. 849 -854 (2000)
17. WJM Samaranayake, Y Miyahara, T Namihira, S Katsuki, R Hackam and H Akiyama, Influence of Gas Mixtures on and Characteristics of Ozone Production by Pulsed Power, National Convention Record IEE Japan, pp. I-112 (1999)
18. WJM Samaranayake, Y Miyahara, S Katsuki, I Lisitsyn, R Hackam and H Akiyama, Characteristics of Ozone Production by Pulsed Power, Proc. 12^th  IEEE Int. Pulsed Power Conf., USA, pp. 1326-1329 (1999)
19. WJM Samaranayake, Y Miyahara, T Namihira, S Katsuki, R Hackam and H Akiyama, Ozone Production Using Cylindrical Reactors With and Without Solid Dielectric Layers in Dry Air, Proc. IEEE Int. Conf. on EIDP, USA, pp. 379-382, (1999)
20. Y Miyahara, WJM Samaranayake, S Katsuki, H Akiyama, S Maeda and T Sakugawa, Temporal Distribution of Ozone Using Pulsed Power, Jt. Conf. EEE in Kyushu 1560, p. 876 (1998)
21. Y Miyahara, WJM Samaranayake, S Katsuki, H Akiyama, S Maeda and T Sakugawa, Ozone Generation Using Pulsed Power, National Convention Record IEE Japan ED-98-219 (1998)
22. H Akiyama, Y Miyahara, WJM Samaranayake and S Katsuki, Characteristics of Oznizer by Means of Pulsed Power, J. Plasma and Fusion Research 74 (10), pp.1139- 1143 (1998)
23. WJM Samaranayake and KPSC Jayaratne, Charge and Size Distribution of Raindrops,Proc. 52^nd Annual Sess., SLAAS, p. 10 (1996)
24. WJM Samaranayake and KPSC Jayaratne, Occurrence Percentage and Characteristics of Different Lightning Flashes by Means of Radiation Field Measurements,Proc. 52^nd Annual Sess., SLAAS, p. 9 (1996)
25. WJM Samaranayake and KPSC Jayaratne, Determination of Lightning Charge Centre Location From Two Station Electrostatic Field Change Measurements,Proc. 51^st Annual Sess., SLAAS, p. 4 (1995)
26. KPSC Jayaratne and WJM Samaranayake, Some Characteristic Features of Radiation Field Signatures from Tropical Cloud Flashes, J.Inst. Phys., Sri Lanka 10 (1) (1995)

Books

• WJM Samaranayake, Easy Way to Learn Electric Circuit Fundamentals for Advanced Level and Undergraduate Students, ISBN 978-955-30-2288-2, Godage Int Pub, Sri Lanka (2009)
• WJM Samaranayake, Basic Knowledge of Digital Electronics for Physics Students, ISBN 978-955-30-2287-5, Godage Int Pub, Sri Lanka (2009)
• WJM Samaranayake, Basic Knowledge of Analogue Electronics for Physics Students, ISBN 978-955-30-2286-8, Godage Int Pub, Sri Lanka (2009)
• WJM Samaranayake, Easy Way to Learn Statistical Physics for Undergraduate Students, ISBN 978-955-30-2285-1, Godage Int Pub, Sri Lanka (2009)
• WJM Samaranayake, Essential Knowledge for the Basic Components of Electronics and applications, ISBN 978-955-30-2284-4, Godage Int Pub, Sri Lanka (2009)
• WJM Samaranayake, Selected Experiments of Electronics for Advanced Level and Undergraduate Students, ISBN 978-955-30-2283-7, Godage Int Pub, Sri Lanka (2009)
• WJM Samaranayake, Essential Knowledge for Units, Errors and Graphs for Advanced Level and Undergraduate Students, ISBN 978-955-30-2282-0, Godage Int Pub, Sri Lanka (2009)
• WJM Samaranayake, Handling Apparatus for Experiments of Electricity and Magnetism, ISBN 978-955-30-2281-3, Godage Int Pub, Sri Lanka (2009)
• WJM Samaranayake, Selected Experiments of Electricity and Magnetism for Advanced Level and Undergraduate Students, ISBN 978-955-30-2280-6, Godage Int Pub, Sri Lanka (2009)
• WJM Samaranayake, Laboratory manual on Electronics, University of Kelaniya (2009)
• WJM Samaranayake, Supplementary manual on units, errors and graphs for laboratory classes in Physics, University of Kelaniya (2009)
• WJM Samaranayake, Laboratory manual on Electricity and Magnetism, University of Kelaniya (2009)
• WJM Samaranayake, Introductory laboratory manual for handling apparatus in Electricity and Magnetism, University of Kelaniya (2009)

Awards

• IOP-PPCF Prize for Best Poster for experimental and numerical work on the investigation of ozone production in a plasma discharge for environmental and medical applications by a young researcher in connection with the 2009 Summer College on Plasma Physics held at the ICTP from 10 to 28 August 2009
• Japanese Government Monbusho Scholarship for higher studies in 1997
• "Astronomer Royal's Prize for Physics" for the best postgraduate research student in Physics, 1996, University of Colombo, Sri Lanka