11th Annual Science Research Session - FAS: Recent submissions

  • Sutharsana, M. E.; Bandara, S. M. M. R. L. K. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    Treating the wastewater from the kitchen before discharging it into the environment is vital in preserving natural resources such as groundwater, surface water, soil, etc. However, in most cases, kitchen wastewater is ...
  • Fisher, J.; Marlin, K.; Pickering, A.; Scaroni, L.; Weisgrau, A. S.; Kahara, S. N.; Hernandez, K. B.; Paredes, E. J.; Lamping, J. E.; Nijamir, K.; Manamperi, J. P. J.; Kuruppuarachchi, K. A. J. M.; Madurapperuma, B. D. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    Recent advancements in small unmanned aerial systems (sUAS) have proved useful in monitoring and counting aquatic birds in wetlands flying over flocks without disturbing them. The objective of the study is to use a ...
  • Farhana, M. A.; Bandara, J. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    In solid-state solar cells, binary structure Sb2S3 semiconductor material is much more attractive as a light-harvesting active layer due to its desirable properties in solar cell applications. Since the precursor solution ...
  • Rajapaksha, R. D. T.; Dahanayaka, D. D. G. L.; Padmalal, U. K. G. K.; Wijeyaratne, W. M. D. N. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    National parks could be considered the heart of a country’s bio-network. This study attempts to identify and analyze the changes in the water area and vegetation in and around selected Villus in the Wilpattu national ...
  • Gurunanthanan, V.; Perera, H. C. S.; Dassanayake, B. S.; Gunathilake, S. S. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    Industrial dye effluents are a significant concern and require to be treated before being discharged into the environment. Magnesium oxide (MgO) has been known as an excellent adsorbent for a variety of environmentally ...
  • Komathiraj, K.; Marasinghe, M. M. J. P. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    The Runge-Kutta method is a popular method for solving initial value problem. It is most accurate and stable method. It arise when Leonhard Euler have made improvements on Euler method to produce Improved Euler method. ...
  • Pramodika, S. M. L.; Safeena, M. I. S. (Enhancing salt tolerance ability of selected rice varieties using ascorbic acid and nicotinamide, 2022-11-15)
    Total agricultural land of the globe becomes insufficient due to the progressive nature of primary and secondary salinity. High salt content in the irrigation water or soil is a serious restriction factor to the cultivation ...
  • Dissanayake, R. M. G. K.; Rizvi, E. M. J. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai, 2022-11-15)
    Lignocellulose is a promising feedstock to produce biofuels and other biobased products and it is the most abundant sustainable and economical alternative to fossil resources. It is the sole source of some of these ...
  • Thomas, I. B. K.; Abeysinghe, D. T.; Senthilnithy, R.; Chanika, D.Jayasinghe (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai, 2022-11-15)
    Heavy metals like cadmium (Cd) and chromium (Cr) exert toxic effects on aquatic vertebrates such as fish and amphibians. The present study employed a zebrafish embryo toxicity model to detect the toxic effects of a binary ...
  • Subasinghe, H. P. I.; Komathiraj, K. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    Several new families of exact solution to the Einstein-Maxwell system of differential equations for a spherically symmetric relativistic fluid sphere matched to the exterior Reissner–Nordström space–time are found for ...
  • Arulnandhy, S.; Liyanage, M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    Radical theory in rings is regarded as a major theoretical concept that specifies certain classical structure theorems for rings, enhancing profound understanding of the key aspects of ring theory. Radical theory has ...
  • Zathiha, M. M.; Faham, M. A. A. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    In a variety of scientific domains, the heat equation has many fundamental importance. Heat is a type of energy that can be found in any substance. The physical phenomena of the one-dimensional heat equation were ...
  • Farhan, M. S. M.; Samarasekara, P. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    The solution of fourth order perturbed Heisenberg Hamiltonian of bcc structured ferromagnetic ultra-thin films with three spin layers with all seven magnetic energy parameters were investigated. All the magnetic energy ...
  • Abdul Rauf, M. A. C.; Faham, M. A. A. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    Integration is one of the basic operation in mathematical calculus. It occurs in almost all physical situations where the variable is continuous function of one or more continuous independent variables. When the function ...
  • Sudesh, K. H. M.; Samaraweera, M. D. S.; Attanayake, A. M. A. N. B. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    Seawater intrusion is the influx of saline water into freshwater aquifers leading to groundwater quality degradation. The Kalpitiya Coastal Aquifer (KCA) of Sri Lankan is a limestone aquifer and its’ adjacent groundwater ...
  • Mohamed Althaf, U. L.; Faham, M. A. A. M (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    Differential equations are frequently used to describe continuous-time dynamical system. Not all differential equations can be solved analytically, so several techniques have been developed to find approximate solutions. ...
  • Fathima Maheesha, A. J.; Faham, M. A .A. M. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    The world has been gripped by Corona pandemic since 2019. In Sri Lanka, the first case of COVID-19 was reported late January 2020 and that was a Chinese nationalist the first local case was identified in the second week ...
  • Wickramarathna, H. N. P.; Komathiraj, K. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    We find new classes of exact solutions to the Einstein-Maxwell system of equations for a charged and anisotropic sphere with a particular choice of the electric field intensity, anisotropic factor and one of the gravitational ...
  • Yogeswary, Raviraj; Kumara, R. A. D. S. M. U. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    Traffic congestion occurs frequently at downtown intersections during rush hours, at road construction zones as well as at accident sites. Under such circumstances, traffic flow exceeds intersection capacity causing ...
  • Kajanthan, S. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2022-11-15)
    more general linear iterative scheme solves non-linear equations arising in the implementation of implicit Runge-Kutta methods proposed by Cooper and Butcher is of the form where B and S are real non-singular matrices ...

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