- Faculty of Engineering
- Department of Chemical and Process Engineering
- Professor
Contact information
Department of Chemical and Process Engineering
Faculty of Engineering
University of Moratuwa
Moratuwa
10400
Teaching and Administrative Activities
Renewable Energy Engineering -Undergraduate -2019
Process Modelling and Simulation -Undergraduate -2019
Research Activities
Process Controls Estimation and Optimization
Process Modelling and Simulation
Computational Fluid Dynamics (CFD)
Renewable Energy (Biomass Wind and Solar)
PhD, (Full time by research), Department of Chemical and Process Engineering, University of Moratuwa Thesis on, “Numerical Simulation of Thermally-thick biomass combustion in packed beds” (2019)
MSc (Full time by research), Department of Chemical and Process Engineering, University of Moratuwa Thesis on “Computational Fluid Dynamics modeling of thermo-chemical processes in an updraft biomass Gasifier” (2015)
MSc (Full time by research), Department of Chemical and Process Engineering, University of Moratuwa Thesis on “Analysis of Wood Chip Combustion System for Hot air Generation in the Industrial Drying Process” (2015)
M.Sc, (Full time by research) of Chemical and Process Engineering, University of Moratuwa Thesis on, “Effect of turbulence of the freeboard on fluidized bed biomass combustion” (2019)
M.Sc, (Full time by research) Department “Numerical Simulation of Thermally-thick biomass combustion in packed beds” (in progress)
MSc dissertation (taught course), Department of Chemical and Process Engineering, University of Moratuwa Thesis on, “CFD modelling of a centrifuge for oil seperation” (2017)
MSc dissertation (taught course), Department of Chemical and Process Engineering, University of Moratuwa Thesis on, “Implementing a Simulator for a Process Plant with Control System” (2014)
MSc dissertation (taught course), Department of Chemical and Process Engineering, University of Moratuwa Thesis on, “Analysis and Optimization of Cyclone Separators by Using RANS” (2014)
MSc dissertation (taught course), Department of Chemical and Process Engineering, University of Moratuwa Thesis on, “Development Of Updraft Gasifier And Performance Analysis for Different Types of Biomass Materials” (2015)
MSc dissertation (taught course), Department of Chemical and Process Engineering, University of Moratuwa Thesis on, “Assessment of Environmental Impact for Accidental Release of Heavy Gas” (2016)
MSc (Full time by research), Department of Chemical and Process Engineering, University of Moratuwa Thesis on, "A Three Dimensional Computational Fluid Dynamics Model for Pyrolysis of Thermally Thick Biomass Particles", (2019)
PhD, (Full time by research),Modeling and Simulation effects of drying and firing processes on properties of sintered ceramic bodies. Aim of this research is developed a Numerical Model for Ceramic bodies to measure properties by optimizing drying and firing process using ComputerComputational Fluid Dynamics (CFD). (Ongoing research)
MSc (Full time by research). Development of computational fluid dynamics model and emission control mechanism for a biogas combustion system. Iin this study, mixing of fuel and air is to be analysed with CFD. In the physical system the mixture from mixing chamber then enters directly to the combustion chamber. The reaction inside the combustion chamber also simulated with CFD. mixing incorporated with reactions are numerically modelled and simulated in computational fluid dynamics (CFD) platform to analysis gas phase combustion in spatial domain. (on going research)
MSc (Full time by research).Development of a Computational fluid dynamics Model for pollutant dispersion in complex terrain. The model is then tested to predict the air pollution dispersion behavior varies with the weather condition, wind pattern, and so on. Also, this study performed on a flat terrain surface with the same surface roughness to study how complex terrain surfaces affect the wind pattern and dispersion characteristics to rebuild the proper transportation system to minimize the pollutant accumulation inside the city. (on going research)
MSc (Full time by research),Development of computational fluid dynamics model and emission control mechanism for a bio-gas combustion system,
PhD, (Full time by research),Department of Chemical and Process Engineering, University of Moratuwa Thesis on "Fractionation of essential oil using batch distillation". This study examines the thermodynamic correlations required in phase equilibria calculation i.e. estimation of vapor pressure and activity coefficient related to EO fractionation. Although the literature contains a large experimental database for most of the usual compounds, the data availability for essential oil constituents is still small, due to their characteristics, long chains and specific functional groups. This justifies the need of predictive methods to estimate the physical properties and to simulate the process for optimization.(on going research)
Process Controls and estimation, Modelling and simulations, Energy and environment, Computational Fluid Dynamics, Thermochemical conversion of biomass
Education and Professional Affiliations
, University of Moratuwa ,1993 Mechanical Engineering
MPhil, University of Moratuwa ,2002 Mechanical Engineering
PhD, Northumbria University at Newcastle ,2011
The Institution of Engineers Sri Lanka(2006 To date)
Career
Honours and Awards
Academic research award (2015) (Received 2015)
President’s Awards for Scientific Publication 2016 (Received 2018)
Academic research award (2016) (Received 2016)
Academic research award (2017) (Received 2017)
Academic research award (2014) (Received 2014)
President's Awards for Scientific Publication 2017 (Received 2019)
Academic research award (2018) (Received 2019)
Academic research award (2019) (Received 2020)
Academic research award (2020) (Received 2022)
Publications*
A.L. Wickramaarachchi P.G. Rathnasiri Michel Torrijos Renaud Escudié M. Narayana,".Optimization of high solids batch-anaerobic co-digestion of lignocellulosic biomass and cow dung under mesophilic temperature conditions.",Journal of the National Science Foundation of Sri Lanka,50 (1),2022
Chamanthi Denisha Jayaweera, Chathuranga Wickramasinghe, Mahinsasa Narayana,".Modeling Seeded Suspension Polymerization of Core-Shell Polymer Particles Using Computational Fluid Dynamics.",Chemical Engineering Science,116277,2021
Sinhara M.H.D. Perera Chathuranga Wickramasinghe B.K.T. Samarasiri Mahinsasa Narayana ,".Modeling of thermochemical conversion of waste biomass – a comprehensive review.",Biofuel Research Journal,32,2021
Chamanthi DenishaJayaweera, Mahinsasa Narayana,".Multi-objective dynamic optimization of seeded suspension polymerization process.",Chemical Engineering Journal,426,2021
W. A. M. K. P. Wickramaarachchi, M. Narayana,".Pyrolysis of single biomass particle using three-dimensional Computational Fluid Dynamics modelling.",Renew. Energy, vol. 146, pp. 1153-1165, 2020.,146,2020
Prabuddhi Wijekoon, Chathuranga Wickramasinghe, B. C. L. Athapattu, Mahinsasa Narayana, Ajith de Alwis, Meththika Vithanage,".Biomass valorization and phytoremediation as integrated Technology for Municipal Solid Waste Management for developing economic context.",Biomass Conversion and Biorefinery,11,2020
Chathuranga Wickramasinghe Mahinsasa Narayana A. D. U. S. Amarasinghe,".Effect of turbulence of the freeboard on fluidized bed biomass combustion.",Chemical Engineering & Technology,,2020
D. S. Udawattha P. Embuldeniya M. Narayana,".On the Estimation of Viscosities of Non-Newtonian Nanofluids: A Reliable Approach Based on the Shear Rate.",J. Nanofluids,8,2019
Muhammad Amin, Mahinsasa Narayana, Asadullaha, Syed Kamran samia, Muhammad Najam Khana, Syed Haseeb Sultana ,".Bioenergy production from waste mango seed shell by thermo-chemical conversion and its importance for mango fruit processing industry.",Journal of Applied and Emerging Sciences,9,2019
K.U.C.Perera, M. Narayana,".Modelling of Particle Size Effect on Equivalence Ratio Requirement for Wood Combustion in Fixed Beds.",Biomass Conv. Bioref., ,9,2018
D. S. Gunarathne I. A. Udugama S. Jayawardena K. V Gernaey S. S. Mansouri M. Narayana,".Resource recovery from bio-based production processes in developing Asia.",Sustain. Prod. Consum,17,2018
K.U.C.Perera, M. Narayana,".Kissinger method: the sequential approach and DAEM for kinetic study of rubber and gliricidia wood.",. Journal of the National Science Foundation of Sri Lanka,46,2018
Udawattha, Dilan S. M. Narayana,".Development of a Model for Predicting the Effective Thermal Conductivity of Nanofluids: A Reliable Approach for Nanofluids Containing Spherical Nanoparticles.",J. Nanofluids,7,2018
N. Fernando, M. Narayana, W.A.M.K.P. Wickramaarachchi,".The effects of air velocity, temperature and particle size on low-temperature bed drying of wood chips.",Biomass Conv. Bioref.,,8,2018
D. S. Udawattha, S. E. Kasthurige, M. Narayana,".Graphene in the Form of Liquid Suspension by Shear Exfoliation of Liquids: Stability Study of Gasoline, Diesel, Kerosene and Water Based Nanofluids Containing Graphene Nanolayers.",J Nanomater Mol Nanotechnol ,6,2018
D. S. Udawattha, M. Narayana, U. P. L. Wijayarathne,".Predicting the effective viscosity of nanofluids based on the rheology of suspensions of solid particles.",J. King Saud Univ. - Sci,31,2017
M. Narayana K. M. Sunderland G. Putrus M. F. Conlon,".Adaptive linear prediction for optimal control of wind turbines.",Renew. Energy,133,2017
Niranjan Fernando, Mahinsasa Narayana,".A comprehensive two dimensional Computational Fluid Dynamics model for an updraft biomass gasifier.",Renew. Energy,99,2016
Rajika.J.K.A.Thamali ,Mahinsasa Narayana,".Modelling and simulation of wood chip combustion in a hot air generator system.",SpringerPlus,5,2016
Keith M. Sunderland Mahinsasa Narayana Ghanim Putrus Michael F. Conlon Steve McDonald,".The cost of energy associated with micro wind generation: International case studies of rural and urban installations.",Energy,109,2016
M. Narayana, G.A. Putrus, M. Jovanovic, P.S. Leung, S. McDonald,,".Generic maximum power point tracking controller for small-scale wind turbines.",Renewable Energy,44,2012
M Narayana, G A Putrus, Ken Leung, M Jovanovic, S McDonald,".Development of a Model to Investigate the Yaw Behaviour of Small Horizontal Axis Wind Turbines.",Proc IMechE J Power Energ,226,2012
Mahinsasa Narayana,".Validation of Wind Resource Assessment Model (WRAM) map of Sri Lanka, using measured data, and evaluation of wind power generation potential in the country.",Energy for Sustainable Development,12,2008
M. Narayana, Kapila Peiris,".Investigation of the Behaviour of a Tilted Up Type Control System of a Small Wind Turbine.",Engineer journal - Institution of Engineers, Sri Lanka,16,2006
M. Narayana, A.G.T Sugathapala,".Performance of the High Solidity Wind Turbines in Low Wind Potential Sites of Sri Lanka.",Engineer journal - Institution of Engineers, Sri Lanka,37,2005
•J. M. N. Jayaweera, M. Narayana; S.U. Adikary, “Effects of Kaolin with High Silica Content on Properties of Ceramic Tiles” 2022 Moratuwa Engineering Research Conference (MERCon), 2022, https://ieeexplore.ieee.org/document/9906261/
•Vishwa Panapitiya, Randika Randeniya,Nipuna Thennakoon, Mahinsasa Narayana, Adus Amarasinghe, “Multi-Objective Optimization Methodology for Cryogenic Air Separation Process” 2022 Moratuwa Engineering Research Conference (MERCon), 2022, https://ieeexplore.ieee.org/document/9906238/
•Sivakunalan Inparaja, Mahinsasa Narayana, “Development of a Numerical Model for Pollutant Dispersion Over 3D Building Array”, 2022 Moratuwa Engineering Research Conference (MERCon), 2022, https://ieeexplore.ieee.org/document/9906152/
•Nawammalie D.I. Kumarage, A.D.U.S. Amarasinghe, Mahinsasa Narayana, “Path to Predict the Vapor Pressure and Enthalpy of Vaporization of the Components in Essential Oils”, 2022 Moratuwa Engineering Research Conference (MERCon), 2022, https://ieeexplore.ieee.org/document/9906187/
•Darsha Jayathunga, Hirushie Karunathilake, Mahinsasa Narayana, Sanjeeva Witharana, “Selection of phase change materials for high-temperature latent heat thermal energy storage for concentrated solar power plants” 2022 Moratuwa Engineering Research Conference (MERCon), 2022, https://ieeexplore.ieee.org/document/9906235/
•H. P. A. Jayamini, J. A. Weliwita, M. Narayana, S. Witharana and N. K. Hettiarachchi, "Study of Moisture Transport in Rice Cooking," 2021 Moratuwa Engineering Research Conference (MERCon), 2021, pp. 240-244, https://ieeexplore.ieee.org/document/9525735
•M. F. H. M. Aadhil, A. D. U. S. Amarasinghe and M. Narayana, "Characterising the Drying Behaviour of Microwave Assisted Drying of Coconut Chips," 2021 Moratuwa Engineering Research Conference (MERCon), 2021, pp. 303-308, https://ieeexplore.ieee.org/document/9525801
•J. M. N. Jayaweera, M. Narayana and S. U. Adikary, "Numerical Modeling of Drying Behavior of Sri Lankan Kaolin," 2021 Moratuwa Engineering Research Conference (MERCon), 2021, pp. 48-53, https://ieeexplore.ieee.org/document/9525774
•J. Bandara and M. Narayana, "Development of Controller for Disturbances Rejection of Torrefaction Reactor with High Thermal Inertia," 2021 Moratuwa Engineering Research Conference (MERCon), 2021, pp. 292-296, https://ieeexplore.ieee.org/document/9525671
•S. M. H. D. Perera, C. Wickramasinghe, and M. Narayana, "Process Parameter Optimization of Urban Biowaste Carbonization," 2020 Moratuwa Engineering Research Conference (MERCon), Moratuwa, Sri Lanka, 2020, pp. 130-135, https://ieeexplore.ieee.org/document/9185402
•P. Mendis, C. Wickramasinghe, M. Narayana, and C. Bayer, “Adaptive Model Predictive Control with Successive Linearization for Distillate Composition Control in Batch Distillation,” in 2019 Moratuwa Engineering Research Conference (MERCon), 2019, pp. 366–369. https://ieeexplore.ieee.org/document/8818777
•J. Bandara, Y. Surendra, and M. Narayana, “Process Parameter Estimation and Temperature Control of a Reactor with High Thermal Inertia,” in 2019 Moratuwa Engineering Research Conference (MERCon), 2019, pp. 360–365. https://ieeexplore.ieee.org/document/8818939
•Y. M. Wijesinghe and M. Narayana, “Genetic Algorithm Tuned PID controllers for Multivariable Level Control System,” in 2019 Moratuwa Engineering Research Conference (MERCon), 2019, pp. 175–180. https://ieeexplore.ieee.org/document/8818812
•J. A. K. M. Fernando, A. D. U. S. Amarasinghe, W. A. R. Jayarathna, and M. Narayana, “Flash Drying of Coir Pith as an Alternative to Sun Drying,” in 2019 Moratuwa Engineering Research Conference (MERCon), 2019, pp. 199–204. https://ieeexplore.ieee.org/document/8818930
•A. L. Wickramaarachchi, P. G. Rathnasiri, M. Narayana, M. Torrijos, and R. Escudie, “Kinetic Modeling of Dry Anaerobic Co-Digestion of Lignocellulosic Biomass,” in 2019 Moratuwa Engineering Research Conference (MERCon), 2019, pp. 193–198. https://ieeexplore.ieee.org/document/8818752
•C. Rasanjani, T. Gunathilaka, C. Pieris, H. Bandara, and M. Narayana, “Torrefaction of Urban Bio Waste in Sri Lanka,” in 2019 Moratuwa Engineering Research Conference (MERCon), 2019, pp. 573–576. https://ieeexplore.ieee.org/document/8818804
•D. G. C. Wickramasinghe, M. Narayana, and S. Witharana, “Optimization of Process Parameters for Organic Municipal Solid Waste Torrefaction,” in 2019 Advances in Science and Engineering Technology International Conferences (ASET), 2019, pp. 1–5., https://ieeexplore.ieee.org/document/8714385
•K. U. C. Perera, M. Narayana, and S. Witharana, “Numerical Modelling of Biomass Combustion on Moving Grates,” in 2019 Advances in Science and Engineering Technology International Conferences (ASET), 2019, pp. 1–6., https://ieeexplore.ieee.org/document/8714356
•M. Narayana, K. Sunderland, G. Putrus, and M. Conlon, “Maximum Power Point Tracking: Adaptation Linear Prediction for Wind Energy Conversion Systems,” in 2018 53rd International Universities Power Engineering Conference (UPEC), 2018, pp. 1–6. https://ieeexplore.ieee.org/document/8541911
•W. A. M. K. P. Wickramaarachchi, K. U. C. Perera, M. Narayana, “A Numerical Study on Torrefaction of Organic Waste in Sri Lanka”, Transactions 2018, Annual session of the Institution of Engineers, Sri Lanka, pp743-749.
•K.U.C.Perera and M. Narayana, “Numerical Simulation of Carbon Dioxide Capture in Rubber Wood Gasification” Transactions 2018, Annual session of the Institution of Engineers, Sri Lanka, pp751-758.
•D. G. C. Wickramasinghe, M. Narayana, and A. D. U. S. Amarasinghe, “Numerical Simulation of Suspension Biomass Combustor with Two Chambers,” in 2018 Moratuwa Engineering Research Conference (MERCon), 2018, pp. 226–230. https://ieeexplore.ieee.org/document/8421947/
•D. G. C. Wickramasinghe, M. Narayana, A. D. U. S. Amarasinghe, Eulerian-Lagrangian Approach for Modeling of Biomass Fluidized Bed Combustion, The “Vidulka” Energy Exhibition and Symposium, 2017
•W.A.M.K.P.Wickramaarachchi and M.Narayana, Numerical Modelling of Thermally Thick Biomass Particle Pyrolysis, The “Vidulka” Energy Exhibition and Symposium, 2017
•K.U.C. Perera, M. Narayana, Finite Volume Analysis of Biomass Particle Pyrolysis, MERCON 2017, IEEE Conference at University of Moratuwa, Sri Lanka. http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7980514
•A.R.L.Mendis, A.D.U.S.Amarasinghe and M.Narayana, Particle Modelling for Convective Drying of Copra, MERCON 2017, IEEE Conference at University of Moratuwa, Sri Lanka. http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7980447
•Rathnayake, T. Jayasena, S., Narayana, M. “OpenFOAM on GPUs using AmgX”, Simulation Series, Volume 49, Issue 3, 2017, Pages 141-15225th High Performance Computing Symposium, HPC 2017, Part of the 2017 Spring Simulation Multi-Conference, SpringSim 2017; Virginia Beach; United States; 23 April 2017 through 26 April 2017; Code 127914, http://dl.acm.org/citation.cfm?id=3108096.3108109
•W.A.M.K.P. Wickramaarachchi and M. Narayana, “Effect of Climate Change on Wind Power Generation in North of Sri Lanka” 6th Annual International Conference on Sustainable Energy and Environmental Sciences (SEES 2017). 6th Annual International Conference on Sustainable Energy and Environmental Sciences (SEES 2017), doi: 10.5176/2251-189X_SEES17.32
•M. Amin, W. A. M. K. P. Wickramaarachchi, and M. Narayana, “Performance analysis of updraft gasifier,” 2016 International Conference on Sustainable Energy Engineering and Application (ICSEEA). pp. 61–65, 2016. http://ieeexplore.ieee.org/document/7873568/
•E. M. E. K. Ekanayake ; J. A. Weliwita ; S. Witharana ; J. K. A. T. Rajika ; M. Narayana, “The impact of the upwind angle for a wind-driven iron smelting furnace in Sri Lanka” in Proceedings of the 1st Manufacturing & Industrial Engineering Symposium (MIES), 22-22 Oct. 2016, Colombo, Sri Lanka, http://ieeexplore.ieee.org/document/7780264/
•Thilina Rathnayake Sanath Jayasena and Mahinsasa Narayana, Speeding Up OpenFOAM Using GPUs, 5th European Seminar on Computing, Czech Republic, June 5 - 10, 2016, http://www.esco2016.femhub.com/media/ESCO2016_Book_of_Abstracts.pdf
•Wickramaarachchi, W.A.M.K.P., Narayana, M. Impact of climate change on wind energy generation in Mannar-Sri Lanka, MERCON 2016, IEEE Conference at University of Moratuwa, Sri Lanka. http://ieeexplore.ieee.org/document/7480146/
•De Silva, M.S.M., Narayana, M. Analysis and derivation of optimum operating conditions of Lapple cyclone separator by using CFD, MERCON 2016, IEEE Conference at University of Moratuwa, Sri Lanka. http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7480140
•Fernando, N., Narayana, M. Limiting value of Reynolds Averaged Simulation in numerical prediction of flow over NACA4415 airfoil, MERCON 2016, IEEE Conference at University of Moratuwa, Sri Lanka. http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7480136
•Mendis, A.R.L., Amarasinghe, A.D.U.S., Narayana, M, Numerical simulation of the moisture diffusion in copra drying process, MERCON 2016, IEEE Conference at University of Moratuwa, Sri Lanka. http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7480138
•Keith Sunderland, Mahinsasa Narayana, Ghanim Putrus and Michael Conlon, Levelized cost of energy analysis: A comparison of urban (micro) wind turbines and solar PV systems, Power Engineering Conference (UPEC), 2016 51st International Universities, 6-9 Sept. 2016, Coimbra, Portugal, https://ieeexplore.ieee.org/document/8114097/
•Niranjan Fernando, Muhammad Amin , Mahinsasa Narayana , Thamali Jayawickrama , Asadumllah and Sanath Jayasena, A mathematical model for pyrolysis of biomass, MERCON 2015, IEEE Conference at University of Moratuwa, Sri Lanka. http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7112311
•Kumbalathara, A.A.K.; Liyanage, D.D. Witharana, S. Rajika, J.K.A.T. Narayana, M.; Fernando, K.C.N, .Simulation of ancient wind-driven iron smelting furnaces of Sri Lanka, Moratuwa Engineering Research Conference (MERCon), 2015 http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7112312
•Pieris, K.; Vitharana, P.; Narayana, M.; Perera, K.U.C.; Perera, S., Introduction of flap gates for anicuts in wet zone, Moratuwa Engineering Research Conference (MERCon), 2015, Pages: 45 – 49. http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7112318
•Amin, M.; Asadullah, Narayana, M.; Fernando, N, Performance Analysis of Bench scale Updraft Gasifier for Mango Pit shell Biomass, Transactions of the Institution of Engineers, Sri Lanka. 2015, http://iesl.nsf.ac.lk/handle/1/889
•G. K. G.S. Kumara and M. Narayana, “Development of Liquid Level Controller by Using Signal Processing System”, SAITM 5th International Research Symposium on Engineering Advancements, RSEA 2015, http://www.saitm.edu.lk/fac_of_eng/RSEA/SAITM_RSEA_2015/index.htm
•Muhammad Amin, Mahinsasa Narayana, Comparative study of energy potential of mango pit as biomass with coconut shell ginisyria & mixture in laboratory scale developed updraft gasifier, SAITM 5th International Research Symposium on Engineering Advancements, RSEA 2015
•W.A.M.K.P.Wickramaarachchi, P.M.A.M.K.Wickramasinghe and Mahinsasa Narayana, P. W. Vidanage, Linear Wind Flow Model In Puttalam Region, SAITM 5th International Research Symposium on Engineering Advancements, RSEA 2015
•M. Narayana, P. W. Vidanage and H. H. M. P. Rathnayake, Linear Prediction of wind speed Variation in a Wind Power Plant in Sri Lanka, Transactions of the Institution of Engineers, Sri Lanka. 2014, pp285-291. http://iesl.nsf.ac.lk/handle/1/941
•Peiris. W.K.P, Narayana. M, Perera. K.U.C and Nadeeshani. E, “The Reality of Development and Second Law of Thermodynamics”, The National Energy Symposium 2014, Sri Lanka
•M Narayana and G A C M Perera, Prediction of Power Fluctuations from Wind Power Plants in Sri Lanka by an autoregressive model, Transactions of the Institution of Engineers, Sri Lanka. 2013, pp284-289.
•Ajith Vithanage and Mahinsasa Narayana, Moving Strips Vertical Axis Wind Turbine for Domestic Power Generation, Transactions of the Institution of Engineers, Sri Lanka. 2013, pp457-462.
•D.M.S.C. Dissanayake, Mahinsasa Narayana and Ruwan Weerasooriya, Review of literature on biomass utilization for sustainable development in Sri Lanka, Transactions of the Institution of Engineers, Sri Lanka. 2013, pp399-406.
•Rajika.J.K.A.Thamali and Mahinsasa Narayana, A Discussion on Use of Wood Chips for Wood Logs in Combustion Applications in Industrial Thermal Energy Supply, Transactions of the Institution of Engineers, Sri Lanka. 2013, pp463-469.
•Peiris. W.K.P, Narayana. M and Perera. K.U.C, “Fossil Fuel & Development”, The National Energy Symposium 2013, Sri Lanka.
•M. Narayana and S. Witharana, Adaptive Prediction of Power Fluctuations from a Wind Turbine at Kalpitiya Area in Sri Lanka, 2012 IEEE 6th International Conference on Information and Automation for Sustainability (ICIAfS’12), September 27–29, 2012, Beijing, China. http://ieeexplore.ieee.org/document/6419914/?arnumber=6419914
•M. Narayana, Viability of Grid Connected Small Wind and Solar Photovoltaic home systems in Sri Lanka, Transactions of the Institution of Engineers, Sri Lanka. 2012, pp169-175.
•Putrus, G., Narayana, M., Sunderland, K., Conlon, M. Viability of micro wind turbines in the urban environment, (2012) World Renewable Energy Forum, WREF 2012, Including World Renewable Energy Congress XII and Colorado Renewable Energy Society (CRES) Annual Conferen, 6, pp. 4865-4878.
•M Narayana, G Putrus, Optimal Control of Wind Turbine Using Neural Networks, the 45th International Universities Power Engineering Conference (UPEC), 31st August - 3rd September 2010, Cardiff, Wales. http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5649921
•D. Johnston, G. Putrus, E. Bentley, M. Narayana, T. Jiang and P. Suwanapingkarl, Electric Vehicles as Storage Devices for Supply/Demand Management, The 2010 IEEE Vehicle Power and Propulsion Conference (VPPC’10), September 1-3, 2010, Lille, France. http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5729237
•M Narayana, G Putrus, Steve McDonald, Identification of Control Signals for Optimal Control of Wind Turbines, EPE Wind Energy Chapter Symposium 2010, 15th and 16th of April 2010, Staffordshire University, Stafford, United Kingdom. http://www.epe-association.org/epe/seminars/Wind2010/09_Prov%20Prog.htm
•G Putrus, M Narayana, M Jovanovic and P S Leung. Maximum Power Point Tracking for Variable-Speed Fixed-Pitch Small Wind Turbines. 20th International Conference and Exhibition on Electricity Distribution, 2009, (CIRED), 8-11 June, 2009, Prague, Czech Republic. http://ieeexplore.ieee.org/document/5255499/
•M Narayana, G Putrus, M Jovanovic and P S Leung. Predictive Control of Wind Turbines by Considering Wind Speed Predicting Techniques. The 44th International Universities Power Engineering Conference (UPEC), 1-4, September, 2009, Glasgow, Scotland. http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5429382
•Putrus, G, Suwanapingkarl, P, Johnston, Bentley, E C, Narayana, M, Impact of Electric Vehicles on Power Distribution Networks, invited paper, Fifth IEEE International Vehicle Power and Propulsion Conference (VPPC’09), Michigan, USA, September (2009), http://ieeexplore.ieee.org/document/5289760/?arnumber=5289760
•M. Narayana, "Demand and Supply Analysis of Community Type Wind Power System at Gurugoda Village in Sri Lanka," in Industrial and Information Systems, 2007. ICIIS 2007. IEEE International Conference on, 2007, pp. 117-122. http://ieeexplore.ieee.org/document/4579159/?arnumber=4579159
•T.A.Wickramasinghe and M.Narayana , “Micro Hydro Turbine Test Facility at the NERDC:, International Conference On Small Hydropower Held In Kandy, Sri Lanka, 22- 24 October 2007.
•M. Narayana, “ Micrositing of Small-Scale Wind Turbines is Economically Viable For Rural Electrification in Sri Lanka” , The international technical conference, 8th German wind energy conference, Bremen, Germany, 22nd –23rd November, 2006.
•M. Narayana and Kapila Peiris, “Development of a Model to Investigate the Behaviour of the Tilted-Up Type Control System of a Small Wind Turbine by Lagrange’s Analysis”, Transactions of the Institution of Engineers, Sri Lanka 100th Annual session. 2006, pp76-83. http://iesl.nsf.ac.lk/handle/1/1210
•M. Narayana, Validation of WRAM wind resource map and possibility to utilize wind energy for power generation in Sri Lanka, ”, Transactions of the Institution of Engineers, Sri Lanka 100th Annual session. 2006, pp184-188. http://iesl.nsf.ac.lk/handle/1/1211
•Narayana, M.; Sugathapala, A.G.T, Performance of the high solidity wind turbines in low wind potential sites of Sri Lanka., Transactions of the Institution of Engineers, Sri Lanka 99th Annual session. 2005, http://iesl.nsf.ac.lk/handle/1/2234
•M. Narayana, “Optimum Home Power Systems for Off-grid Rural Electrification in Sri Lanka”, Transactions of the Institution of Engineers, Sri Lanka 99th Annual session. 2005. http://iesl.nsf.ac.lk/handle/1/1109
•M. Narayana and Kapila Peiris, “Deterioration of Sri Lanka’s Small Tank Systems Viewed in the Context of an Economical-Development Model”, Transactions of the Institution of Engineers, Sri Lanka 99th Annual session. 2005. http://nerdc.nsf.ac.lk/handle/1/15
•M. Narayana, “Predict the Performance of the Multi-Bladed Type Windmill Pump and Comparison with the Measured Data at a Site”, 4th International Conference for Renewable Energy, Energy Saving and Energy, Varadero Beach, Cuba, 25-28 May 2005.
•M. Narayana and M. W. Leelaratne, “Micro-siting, A Major Factor Influencing Economic Viability of Wind Energy Systems”, 4th International Conference for Renewable Energy, Energy Saving and Energy Education, Varadero Beach, Cuba, 25-28 May 2005.
•M. Narayana, “Low-Wind-Speed Small-Scale Wind Turbines for Rural Electrification in Sri Lanka”, World Renewable Energy Congress VIII, Denver, Colorado 80202, USA, 28 August – 3 September 2004.
•M. Narayana and T. A. Wickramasinge, “Solar and Wind Resource Assessment in Sri Lanka”, Energy for Sustainable Development: Technological Advances and Environmental Issues, Cairo, Egypt, December 6-9, 2004. http://nerdc.nsf.ac.lk/handle/1/25
•M. Narayana and A. G. T. Sugathapala, “Performance of the Wind Turbine Developed by the NERD Centre”, The 10th Asian Congress of Fluid Mechanics, Peradeniya, Sri Lanka, 17-21 May 2004.
•M. Narayana, "Gyroscopic Effect of Small-Scale Tilt-Up Horizontal Axis Wind Turbine," in World Renewable Energy Congress VI Oxford: Pergamon, 2000, pp. 2312-2315. https://doi.org/10.1016/B978-008043865-8/50500-6
-Development of a Computational fluid dynamics Model for pollutant dispersion in complex terrain
-Modeling and Simulation effects of drying and firing processes on properties of sintered ceramic bodies
- Development of computational fluid dynamics model and emission control mechanism for a biogas combustion system
- Fractionation of Essential oil using Batch distillation
- Mathematical modeling of municipal solid waste torrefaction
to produce biochar
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