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Browsing Undergraduate Research Symposium by Issue Date

Browsing Undergraduate Research Symposium by Issue Date

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  • Design and feasibility study of parabolic trough concentrated solar power water heater for domestic use in Sri Lanka 
    Kanayaka, E.M.D.M.; Senthuran, K.; Somajayan, D.P.; Piyasena, K.; Vignarooban, K.; Senthuran, A.; Thevakaran, A.; Ravirajan, P. (University of Jaffna, 2021)
    Concentrated Solar Power (CSP) systems are becoming popular in recent days for electricity generation, especially in the United States and Spain. Parabolic trough CSP systems can also be designed as a water heater by fixing ...
  • Defects and dopants in Anorthite (CaAl2Si2O8) 
    Suthaharan, S.; Iyngaran, P.; Kuganathan, N (University of Jaffna, 2021)
    Calcium aluminosilicate, CaAl2Si2O8, is a promising economically important ceramic material that has found applications in several areas, such as glass production and petrology [1-2]. Atomistic scale simulation techniques ...
  • Sintering properties of sputtered ZnO Thin Films 
    Kirusanthy, S.; Sutharsini, U. (University of Jaffna, 2021)
    Zinc oxide (ZnO) thin films have performed as an attractive material for numerous applications in piezoelectricity, solar cells, biomedical and sensing. In this work, sintering properties of sputter coated Zinc oxide thin ...
  • Commiphora mukul derived natural resin-based biopolymer electrolytes for rechargeable sodium-ion batteries 
    Tennakoon, C.N.B; Jayamaha, J.H.T.B; Jathushan, V; Keppetiyawa, K.G.H.S; Vignarooban, K.; Sashikesh, G; Velauthamurty, K. (University of Jaffna, 2021)
    Even though sodium-ion batteries (SIBs) are one of the important battery chemistries heavily investigated these days, a primary challenge for their commercial level production is the synthesis of suitable electrolytes with ...
  • Facile fabrication of nitrogen-doped Titanium dioxide-based dye-sensitized solar cells 
    Gurunanthanan, V.; Rajaramanan, T.; Velauthapillai, D.; Ravirajan, P.; Senthilnanthanan, M. (University of Jaffna, 2021)
    Titanium dioxide (TiO2) is a commonly used semiconductor in Dye-Sensitized Solar cells (DSSCs) as it is inexpensive, abundant and innocuous to the environment. However, lack of response to the visible light and slow electron ...
  • Design and Improving the Mechanical performance of Dual axis Solar Tracker using LDR Sensors 
    Alfred Milroy, K.; Kirushiga, V.; Sulakkhana, L.N.; Gowsikan, K.; Roczan, A.H.; Wanigasooriya, W. A. D. C. J.; Kodikara, M. M. P. S.; Thenmolie, S.; Loheeswaran, S (University of Jaffna, 2021)
    A solar tracking system which carries solar panels, maximizes the solar electricity production by moving panels to follow the sun throughout the day. In this work, a small solar tracking system was developed by using Arduino ...
  • Defect chemistry of α-Spodumene; an atomistic simulation-based study 
    Suthaharan, S.; Sukumar, R.; Iyngaran, P.; Kuganathan, N. (University of Jaffna, 2021)
    Naturally occurring lithium rich α-Spodumene (α-LiAlSi2O6) is a technologically important mineral that has attracted considerable in rechargeable lithium ion batteries (LIBs), ceramics and polymer industries [1, 2]. The ...
  • Adsorption of Cadmium ion from aqueous solutions by stem and leaf of Parthenium hysterophorus 
    Yogenthiran, E.; Abiman, P. (University of Jaffna, 2021)
    Cadmium is a toxic heavy metal causing risks for living organisms even at low levels of its presence. Poor treatment of Cd2+ from contaminated sources leads to high risks for human health causing health disorders like ...
  • Sintering properties and development of ternary ZnAl2O3 phase in Al2O3 - ZnO composite ceramics 
    Sriyananda, I.B.P.B.; Thanihaichelvan, M. (University of Jaffna, 2021)
    Zinc doped aluminium oxide (ZnAl2O3) is a wide bandgap semiconducting material with optical transparency. The wideband gap of 3.6 eV makes it as an interesting material in several applications like gas and chemical sensors ...
  • Inspection of thermal conductivity of natural fiber reinforced composites (NFCs) 
    Kulasooriya, K.A.C.P.; Amarathunga, H.M.N.M.; Perera, W.K.S.F.R; Thanihaichelvan, T. (University of Jaffna, 2021)
    chemical properties, which exhibit enhanced properties than the constituent materials. Thermal insulation composite materials, especially those reinforced with synthetic fibers releases huge amount of CO2 to the environment ...
  • Comparative and quantitative estimation of macronutrients in six different Banana varieties (Musa Spp) consumed in Jaffna 
    Jayawadhana, R. P. L. S; Rajkumar, G (University of Jaffna, 2021)
    Banana, fruit of the genus Musa, one of the most important fruit crops in many developing countries in terms of per capita consumption. This research aims to compare the general nutrient composition of selected six different ...
  • Evaluating doses calculated using TRS 398 and TRS 277 protocols 
    Harindrinee, S.; Pathmathas, T.; Ramalingam, A. (University of Jaffna, 2021)
    Protocols, considered as guidelines in Medical Physics, admit the safety measures and effective practices in diagnostic and therapeutic radiology. The changes of the beam calibration due to adaption of the TRS-398 protocol ...
  • Mutations observed in selected SARS-CoV-2 isolates 
    Kugathasan, D.; Aruldchelvan, K.; Jeyaseelan, T.C.; Emmanuel, C.J (University of Jaffna, 2021)
    Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a single-stranded positive RNA virus. The virus genome is ~ 29.9 Kb in size and comprises 14 open reading frames, which encodes for 27 different proteins. The ...
  • Isolation and identification of Bacillus species present in the Panchagavya preparations 
    Donaldson, E; Emmanuel, C.J. (University of Jaffna, 2021)
    Panchagavya has been popularly used in organic farming to promote plant growth and control various pests and diseases. During the preparation of Panchagavya, a mixture of five cow products and sugar sources such as jaggery, ...
  • Production of biodiesel from locally available Pumpkin seeds: A comparison with coconut oil 
    Jayathilaka, W. D. D. R; Yohi, S. (University of Jaffna, 2021)
    Petroleum based economy is suffering from a series of problems like enhanced greenhouse effect and global warming. Burning of fossil fuel causes accumulation of the greenhouse gases in the environment that leads to enhanced ...
  • Piezoelectric buzzers for energy harvesting 
    Vishvarooban, V.; Rishanthan, K.M.T.M; Leelananda, B.H.; Shanika, D.I.; Madushan, W.G.P.C.; Abayarathna, V.; Kanan, H.S.; Paranthaman, S.; Loheeswaran, S. (University of Jaffna, 2021)
    The energy generating devices are capable of capturing environmental energy and supplanting the battery in a stand-alone module or working alone with the battery to extend substantially its life. Piezo electric and ...
  • Rice husk ash as partial substitute for sand in cement bricks 
    Anupama, G.G.; Nandasiri, K.P.S.D.; Thanihaichelvan, M. (University of Jaffna, 2021)
    Cost of the construction materials are increasing due to rapid growth of industry and demand. As a result, waste utilization has been one of the most vital aspects in the construction industry towards sustainability [1,2]. ...
  • Hydrothermal ageing study on two step sintered 3Y-TZP ceramic 
    Praveena, S.; Sutharsini, U. (University of Jaffna, 2021)
    In this study, Hydrothermal ageing resistance of two step sintered 3 mol. % Yittria stabilized tetragonal zirconia polycrystalline (3Y-TZP) ceramic was analysed. 3Y-TZP ceramic powder was die pressed followed by cold ...
  • Sintering properties of ZnO-TiO2 composite ceramics 
    Kopiha, V.; Sutharsini, U. (University of Jaffna, 2021)
    Among various semiconductor oxides, ZnO and TiO2 composite have been used wide variety of applications such as solar cells, varistors, and sensors. In this work effect of sintering temperature and sintering time on ZnO - ...
  • Smart cap as an electronic travel aid for visually impaired person 
    Premadasa, D. K. M. S. A.; Dissanayaka, D. M. A. S.; Wimalarathne, A. W. G. N. M.; Hemachandra, W. G. S. M.; Gunawardhane, W. A. T. N.; Kodikara, M. M. P. S.; Loheeswaran, S. (University of Jaffna, 2021)
    This research aimed to develop an ultrasonic sensor based smart cap as an electronic travel aid to improve the safe self-movement of the visually impaired persons. This smart cap provides the audible and mechanical vibration ...