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Chairman, Board of Study in Physics
Member (life), Institute of Physics (IPSL), Sri Lanka
Member (life), Sri Lanka Association for the Advancement of Science (SLAAS)
Member, Young Scientists Forum (YSF)Proceedings of the Postgraduate Institute of Science Research Congress, Sri Lanka
C. Lakshmanan, U.M. Sedere, P Liyanage, (2016). Use of Authentic Instructions for teaching Physics in Junior Secondary schools. Proceedings of the Postgraduate Institute of Science Research Congress, Sri Lanka, 7th-8th October, 2016.
Asia-Pacific International Conference on Lightning (APL)
Sankha Nanayakkara, U Mendis, M Fernando, Sidath Abegunawardana, P Liyanage, V Cooray, (2015). Lightning Induced voltages in Over Head Power Lines due to Cloud to Ground Flashes in Sri Lanka,. Asia-Pacific International Conference on Lightning (APL), Nagoya, Japan.
Asia-Pacific International Conference on Lightning (APL)
Sankha Nanayakkara, U Mendis, M Fernando, Sidath Abegunawardana, P Liyanage, V Cooray, (2015). Voltages Induced by Cloud Flashes on Rural Utility Electrical Power Lines in Sri Lanka,. Asia-Pacific International Conference on Lightning (APL), Nagoya, Japan.
Peradeniya University International Research Sessions (iPURSE) 2014
C.P.N. Rajapakshe, J.P. Liyanage, (2014). Rainfall Intensity Estimation Using The Attenuation Of Microwave Radiation,. Peradeniya University International Research Sessions (iPURSE) 2014, Peradeniya.
Journal of Electrostatics
C. Perera, M. Rahman, M. Fernando, P. Liyanage, V. Cooray, (2012). The relationship between current and channel diameter of 30 cm long laboratory sparks. Journal of Electrostatics, Volume 70, Issue 6: 512-516.
Journal of Electrostatics
Mahbubur Rahman, Vernon Cooray, Raúl Montaño, Prasanna Liyanage, Marley Becerra, (2011). NOX production by impulse sparks in air. Journal of Electrostatics, Volume 69, Issue 6: Pages 494-500.
ICLP 2008
Prasanna Liyanage, Raul Montano, Vernon Cooray, (2008). Correlation Between Current and Monochromatic Optical Signatures of Electrical Discharges. ICLP 2008, Uppsala, Sweden.
ICLP 2008
Rahman M., V. Cooray, R. Montaño, P. Liyanage, and M. Becerra, (2008). NOx Production in Laboratory Discharges. ICLP 2008, Uppsala, Sweden.
ICLP 2008, Uppsala, Sweden
Perera C., M. Fernando, P. Liyanage, M. Rahman, and V. Cooray, (2008). Correlation Between Current and Channel Diameter of Long Laboratory Sparks. ICLP 2008, Uppsala, Sweden, .
ICLP 2008
Perera C., M. Fernando, P. Liyanage, and V. Cooray, (2008). Unusual Slow Development of Cloud-to-Air Discharges Observed in Sri Lanka in the Tropic,. ICLP 2008, Uppsala, Sweden.
Geophys. Res. Lett.
M. Rahman, V.Cooray, V.A. Rakov, M.A. Uman, P. Liyanage, B.A. DeCarlo, J. Jerauld, and R.C.Olsen III, (2007). Measurements of NOX produced by rocket-triggered lightning. Geophys. Res. Lett., Vol. 34.
IEEE Transactions on Plasma Science
Raul Montaño, Vernon Cooray, Marley Becerra, Mahbubur Rahman and Prasanna Liyanage, (2006). Resistance of spark channels. IEEE Transactions on Plasma Science, Vol. 34 - 5 (1): 1610-1619.
AGU
Rahman, M., Cooray, V., Rakov, V.A., Uman, M.A., Liyanage, P. , DeCarlo, B.A., Jerauld, J., Olsen, R.C., Eos Trans. (2006). Direct Measurements of NOx Produced by Lightning,. AGU, 87(52: Abstract No. AE53A-0289 .
Journal of Electrostatics
Prasanna Liyanage, Vernon Cooray, (2005). Correlation between current waveforms of Electrostatic Discharges and Optical Signatures for several selected wavelengths,. Journal of Electrostatics, Vol. 63: 627–633 .
Electrostatics 2005
Praasnna Liyanage, Vernon Cooray, (2005). Correlation between current waveforms of Electrostatic Discharges and Optical Signatures for several selected wavelengths,. Electrostatics 2005, Finland.
ICLP 2004
Prasanna Liyanage, Raul Montano, Vernon Cooray, (2004). Optical Signatures of Laboratory Sparks with Currents Comparable to Return Strokes in Lightning Flashes,. ICLP 2004, Avignon, France.
J. of Physics
J.P. Liyanage, D.U.J. Sonnadara, I.M.K. Fernando, A.B. Weerasekara, R. Lelwala and T.R. Ariyaratne. Sri Lanka (2002). Some Properties of lightning ground flashes observed in and around Sri Lanka, and their seasonal variations,. J. of Physics, Vol. 3: 77-88 .
SLAAS, Proc. 58th Annual Session, Sri Lanka
J.P. Liyanage, C.M. Edirisinghe, D.U.J. Sonnadara and I.M.K. Fernando, (2002). Effects of distance on the measurement of multiplicity and peak currents of lightning direction finding systems,. SLAAS, Proc. 58th Annual Session, Sri Lanka, 02 – 07 December, 2002.
Singapore J. of Physics
A.B. Weerasekera, D.U.J. Sonnadara, I.M.K. Fernando, R. Lelwala, T.R. Ariyaratne, and J.P. Liyanage, (2001). Measurements of lightning peak currents in the first return stroke of negative cloud-to-ground flashes,. Singapore J. of Physics, Vol. 17, No. 1: 37-45 .
Sri Lanka J. of Physics
A.B. Weerasekera, D.U.J. Sonnadara, I.M.K. Fernando, J.P. Liyanage, R. Lelwala and T.R. Ariyaratne, (2001). Activity of Cloud-to-Ground lightning observed in Sri Lanka and in the surrounding area of the Indian Ocean,. Sri Lanka J. of Physics, Vol. 2: 21-30 .
SLAAS, Proc. 57th Annual Session, Sri Lanka
J.P. Liyanage, D.U.J. Sonnadara and I.M.K. Fernando, (2001). A simulation study on the correction of site errors in a network of magnetic direction finding stations,. SLAAS, Proc. 57th Annual Session, Sri Lanka, (26 November – 01 December, 2001).
SLAAS, Proc. 57th Annual Session, Sri Lanka
A.B. Weerasekera, J.P. Liyanage, I.M.K. Fernando, and D.U.J. Sonnadara, (2001). Some characteristics of cloud to ground lightning obtained with lightning direction finding systems in Sri Lanka,. SLAAS, Proc. 57th Annual Session, Sri Lanka, (26 November – 01 December, 2001).
SLAAS, Proc. 56th Annual Session, Sri Lanka
A.B. Weerasekera, J.P. Liyanage, D.U.J. Sonnadara and I.M.K. Fernando, (2000). Measurements of lightning peak currents in the first return stroke of negative cloud to ground flashes,. SLAAS, Proc. 56th Annual Session, Sri Lanka, (27 November – 01 December, 2000).
SLAAS, Proc. 56th Annual Session, Sri Lanka
J.P. Liyanage, A.B. Weerasekera, D.U.J. Sonnadara and I.M.K. Fernando, (2000). A comparison of some characteristics between positive and negative cloud to ground flashes observed in Sri Lanka and their seasonal variations,. SLAAS, Proc. 56th Annual Session, Sri Lanka, (27 November – 01 December, 2000).
Abstracts, Annual Sessions, Faculty of Science, University of Colombo
A.B. Weerasekera, J.P. Liyanage, D.U.J. Sonnadara, I.M.K. Fernando, and T.R. Ariyaratne, (2000). Measurements of Lightning ground flash activities over Sri Lanka,. Abstracts, Annual Sessions, Faculty of Science, University of Colombo, Vol. 1.
Abstracts, Annual Sessions, Faculty of Science, University of Colombo
J.P. Liyanage, A.B. Weerasekera, D.U.J. Sonnadara and I.M.K. Fernando, (2000). Simulation study of the effect of random and systematic errors in magnetic direction finding stations,. Abstracts, Annual Sessions, Faculty of Science, University of Colombo, Vol. 1.