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Scholarly Publications: Recent submissions

  • A low cost automated device for releasing a certain mass of small seeds or powder materials 
    Wickramasinghe, T.P.; Ranatunga, E.M.; Abeywickrama, S.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-22)
    A simple automated device has been designed and constructed in order to release a certain mass of small seeds or powdered materials. The device uses a screwed axel rotating inside U shaped tube, which is fixed to the ...
  • An investigation on classical and quantum information entropies and diversity measures 
    Yapage, N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2017-01-26)
    We present a possible unification of diversity measures/indices based on information entropies in the classical world and suggest an extension to the quantum world. Motivation came from the new emerging field of quantum ...
  • Solar heat gain in residential buildings through roof 
    Sankaranarayana, R. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    As Sri Lanka is a tropical country, it is important to understand the science of solar heat transfer into buildings through roofs, walls and windows. Present study was aimed at studying solar heat transfer into residential ...
  • Production of high quality iron ore briquettes using coconut shell charcoal an 
    Kumara, D.R.D.; Guluwita, S.P.; Weerasinghe, K.L.S.; Ranaraja, D.M.C.C.B. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    The aim of this project was to make iron ore briquettes of sufficient handling strength and quality to be used in blast furnaces, in particular, to experiment a cheap iron ore agglomeration method which would yield ...
  • Analysis of the Seasonal Influenza Model in Actuarial Point of View 
    Perera, S.S.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2017-01-26)
    Investigating the econ omic burden of the seasonal influenza is highly essential due to the large number of outbreaks in recent years. In this study, we only consider expenditure due to medical care. Classical ...
  • Controlled growth of ZnO/SnO2 mixed nanowires by carbon assisted thermal evaporation process 
    Tharsika, T.; Haseeb, A.S.M.A.; Akbar, A.; Sabri, M.F.M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    This work reports the controlled growth of ZnO/SnO2 mixed nanowires, fabricated by the bottom up process of carbon assisted thermal evaporation method, through vapor-liquid-solid (VLS) mechanism. In this study, SnO2, ...
  • Influence of cation concentration in th e electrolyte on photovoltaic performance of dye sensitized solar cells 
    Kumari, J.M.K.W.; Dissanayake, M.A.K.L.; Senadeera, G.K.R.; Thotawatthage, C.A.; Weerasinghe, A.M.J.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2017-01-26)
    The influence of different concentrations of cations on the photovoltaic characteristics of dye sensitized solar cells (DSSCs) have been investigated. Potassium iodide (KI) with a small size cationand tetrapropylammonium ...
  • Effects of CaCl2 solution on physical, index properties of liner materials 
    Arooran, S.; Gobirahavan, R.; Kurukulasuriya, L.C. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    The main task of clay liners in landfills is to mitigate the migration of pollutants to the groundwater sources. Leachate includes different types of inorganic and organic compounds which affect physical, index properties ...
  • Augmented reality for teaching object oriented programming concepts 
    Surendra, R.M.D.B. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2017-01-26)
    Object oriented programming is vital concept in modern computer programming. Teaching, learning and practical implementation of OOP concepts found to be ch allenge due to its complexity. To demonstrate complexity the ...
  • Poly (vinylidene fluoride hexafluoropropylne) and f umed silica based nano composite electrolyte for efficient dye sensitized solar cells 
    Weerasinghe, A.M.J.S.; Dissanayake, M.A.K.L.; Senadeera, G.K.R.; Thotawatthage, C.A.; Kumari, J.M.K.W. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2017-01-26)
    Dye sensitized solar cells (DSSC) are considered as most promising molecular phot ovoltaics and cheaper alternative to the conventional silicon based solar cells due to lower fabrication cost and abundance of ...
  • HEC-HMS model for runoff simulation from Tittawella tank catchment 
    Sampath, D.S.; Weerakoon, S.B.; Mishra, B.K.; Herath, S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    The paper describes a case study of event based and continuous hydrologic modeling of inflows to the Tittawella tank in Kurunegala using the Hydrologic Engineering Center – Hydrologic Modeling System (HEC– HMS). A ...
  • Low cost, highly efficient TiO2 based Electrochromic device for architectural application 
    Sarangika, H.N.M.; Senadeera, G.K.R.; Dissanayake, M.A.K.L.; Karunarathna, W.G.M.D.; Perera, M.G.A.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2017-01-26)
    Nowadays global warming has become a copiously discussed issue, the need of energy efficient solutions increasingly attracts attention of architectural windows. The reduction of heating and cooling energy consumption in ...
  • Development of novel catalysts for fischer-tropsch synthesis 
    Ranaweera, S.; Henry, W.; Rowe, M.; Walters, K.; White, M.; Rodriguez, J. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    Binuclear metal complexes of copperand cobaltwere supported as sub monolayer, monolayer and multilayer films on silica (Cab-O-Sil). The supported metal complexes were characterized by elemental analyses, DRIFTS, XRD ...
  • A method for measuring students' power skills automatically 
    Jayakody, J.R.K.C. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2017-01-26)
    The academic performance of the university students is measured with the help of the Grade Point Average (GPA). Further, the marks of a subject of a degree program are accumulated to identify the final academic performance of ...
  • A Mobile based Application for Making Timely Decisions using Participatory Sensing: A Case Study from Sri Lankan Agriculture 
    Wilson, R.S.I.; Walisadeera, A.I. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2017-01-26)
    In Sri Lanka, agriculture sector performs as a major economic force that making a significant contribution to the national economy and employment. However, the lack of strong information flow in the agriculture system makes ...
  • Development and optimization of novel liquefaction modified cornstarch wood adhesives 
    Panamgama, L.A.; Prabashini, L.M.M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    The development and optimization of an environmental friendly wood adhesive system for plywood from abundant and renewable cornstarch and pine bark are presented in this study. Cornstarch was chemically modified by ...
  • Modeling seasonal Leptospirosis cases in Western province of Sri Lanka 
    Gnanapragasam, S.R. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2017-01-26)
    Leptospirosis is a zoonotic infectious disease in the world. It is growing as a major public health threat in Sri Lanka. The records in Sri Lanka show that, over 2400 cases were reported only in first six months in 2016. ...
  • Isolation of natural pigments with potential photosensitizing property 
    Amarasinghe, A.A.D.D.K.; Dissanayake, A.S.; Dananjaya, S.H.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    Potential photosensitizing property of three new natural plant pigment extracts and variation of their UV-vis spectra with pH have been investigated. The pigment-extracts were obtained from fruits of Basella alba (spinach), ...
  • Geometric Brownian Motion Based Hybrid Approach for the Analysis High volatile Financial Time Series 
    Rathnayaka, R.M.K.T.; Seneviratna, D.M.K.N.; Jianguo, W. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2017-01-26)
    Data forecasting and analysing is a process which can be used for mak ing future predictions. Miscellaneous type of forecasting methodologies can be seen in the literature. Generally, these traditional approaches have ...
  • Improving the accuracy of k means algorithm using genetic algorithm 
    Fernando, W.T.R.; Wijeweera, K.R.; Dasanayaka, D.M.N.K. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2017-01-26)
    Clustering data, by recognizing a subset of representative examples, is used for processing sensory signals and detecting patterns in data. K means is the simplest clustering algorithm used in data clustering for such ...

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