Research Publications: Recent submissions

  • Preliminary study on indoor solar power producer using solar tube 
    Pirasana, Y.; Tharshika, G.; Joel, S.; Uthayaraj, S.; Jeyaram, S.; Vinojan, R. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    such as shading from obstructions, animal interference, harsh weather conditions, and panel orientation can significantly impact their performance. Importantly, due to urbanization, accessing direct sunlight becomes ...
  • Effect of doping on the performance of PBS quantum dot photoconductive IR detectors: a case study of undergraduate students at South Eastern University, Sri Lanka 
    Sandamali, H. M. I. R.; Udayangani, U. V. K.; Farhana, M. A.; Jaseetharan, T. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    Semiconductor quantum dots are attractive nanomaterials to be used in numerous research areas and device fabrication such as detectors, light-emitting diodes, transistors, and photovoltaic cells due to their unique ...
  • The effect of mns quantum dot in cds by silar method for a co-sensitized solar cell: a case study of undergraduate students at South Eastern University, Sri Lanka 
    Udayangani, U. V. K.; Sandamali, H. M. I. R.; Farhana, M. A.; Jaseetharan, T. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    photovoltaic applications. Highly efficient, low-cost quantum dot-sensitized solar cells (QDSSCs) have been fabricated with CdS quantum dots by co-sensitization with MnS quantum dots. The CdS and MnS quantum dots layer, ...
  • Identification of factors associated with diabetes among patients in the Sammanthurai region, Sri Lanka 
    Alibuhtto, M. C. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    Diabetes mellitus has emerged as a major global public health problem influenced by several factors. This study aims to identify the factors associated with diabetes in the Sammanthurai region of Sri Lanka using a ...
  • Univariate time series analysis of daily gold prices in Sri Lanka: an arima approach 
    Jayawardana, D. M. T. N. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    Gold has long been considered a symbol of wealth and a reliable store of value across cultures. In Sri Lanka, gold holds significant cultural and economic importance. It is widely used in jewellery, especially for ...
  • Modelling and forecasting rainfall in Nuwara-Eliya District, Sri Lanka: a time series approach 
    Sandarenu, N. V. N.; Alibuhtto, M. C. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    Rainfall is one of the most important climatic factors that directly influence agriculture. The Nuwara-Eliya district is famous for vegetable cultivation, and the success of this cultivation mainly depends on the ...
  • Comparing the correlation between rice yield and price due to the impact of fertilizer policy in 2021, Sri Lanka 
    Disanayaka, D. M. P. S.; Razmy, A. M.; Nahfees, A. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    This study investigates the impact of Sri Lanka's 2021 fertilizer policy on the relationship between rice yield and selling prices in the South Coastal region of the Ampara District. Following the government's prohibition ...
  • Graph representation of tonal modulation 
    Chamathka, W. B. M. R.; Lanel, G. H. J. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    This study approaches music theory from a graph theory perspective. Tonal Modulation, the musical process of changing the key, can be represented by a simple graph on the musical keys. This graph is called the tonal ...
  • The novel group chain acceptance sampling plan (GChSP-1) for generalized exponential distribution using first quartile 
    Kumari, D. A. T. M.; Haalisha, M. A. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    Truncated life testing is used in attribute acceptance sampling, to determine the lifetime of items. Although the Single Sampling Plan is widely used, it has two shortcomings: if the acceptance number is zero or one, ...
  • Time series approach for modeling and forecasting electricity demand in Ampara District Sri Lanka 
    Sumanasena, L. T. P.; Haalisha, M. A. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    Truncated Electricity is an essential resource for industry, transportation, and communication; thus, it is vital to understand the patterns of electricity usage for the well-being of society and economic growth. A ...
  • Time series approach for modeling and forecasting the contribution of hydroelectricity generation in Sri Lanka 
    Thayasivam, U.; Dayarathne, K. P. N. S. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    Hydroelectricity generation plays a major role in Sri Lanka's power generation. An accurate forecast of the contribution of hydroelectricity to national power generation would help to reduce vulnerability of power ...
  • Sustainable vendor managed inventory model with integrated environmental cost consideration 
    Hisam, M. S. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    management, enabling suppliers to oversee inventory levels and streamline replenishment, thereby enhancing operational efficiency. With growing emphasis on environmental sustainability, this research extends the ...
  • A novel method for finding optimal solution to transportation problems 
    Mushfiqa, M. B. F. I.; Yogeswary, R. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    The transportation problem is a special type of linear programming problem and it is a critical optimization issue encountered in numerous industries, including logistics, supply chain management, manufacturing, and ...
  • Exact relativistic charged stellar models with problems in linear programming 
    Moulis, K.; Komathiraj, K. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    In this work, we introduce a formal framework to derive interior solutions for the Einstein Maxwell system, describing the configuration of a relativistic charged fluid sphere within the context of spherically symmetric ...
  • New effective method for solving assignment problems in linear programming 
    Sino, A. M. F. S.; Yogeswary, R. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    The Assignment problem represents a specific type of linear programming transportation problem. The goal is to allocate a specific number of resources to an equal number of activities while minimizing costs or maximizing ...
  • Model of compact star via hypergeometric differential equation 
    Nusha, M. I. F.; Komathiraj, K. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    In this research, for a static, spherically symmetric, anisotropic and charged distribution of matter, we present a new class of exact solutions to the Einstein-Maxwell system. This is achieved by assuming specific ...
  • Bayesian optimization in Gaussian process regression for accurate air quality prediction. 
    Karlavi, M. M.; Chatrabgoun, O. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    Air pollution, especially nitrogen dioxide (NO₂), poses significant risks to public health and environmental quality. Traditional statistical models for predicting NO₂ levels often fail to capture the complex, nonlinear ...
  • Graph theory approaches on movie recommendation system 
    Divyanjalee, K. A. S.; Lanel, G. H. J. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    This study presents a comprehensive evaluation of a movie recommendation system utilizing three graph theory approaches: Genre-based correlation approach, User-movie ratings approach, and Genre distribution using ...
  • Geometric matrices and their properties 
    Kapurubandara, R. S. M.; Kumara, K. K. W. A. S. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    Geometric Calculus has mostly been used in analysis, focusing less on linear algebra. In this paper we defined the fundamental operations, geometric addition (G-addition) and geometric multiplication (G-multiplication). ...
  • Review on the adomain decomposition method and collocation method for solving fractional differential equations 
    Fasmie, N. M.; Fajila, M. N. F. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2024-11-06)
    Numerous real-life problems involving fractional calculus are widely used in different branches of mathematical physics, engineering science, etc. Solving Fractional Differential Equations (FDEs) is an active field of ...

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