Browsing by Author "Perera, Poornima L"

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Peenamu.lk - A Swimming Web Portal for Sri Lanka with Advanced Water Quality Monitoring System
(Faculty of Computing and Technology, University of Kelaniya Sri Lanka., 2023) Perera, Poornima L; Rupasinghe, Induwara; Wanniarachchi, Ashen
Swimming is a world-popular physical activity that integrates arm and leg actions with natural flotation of the body. This is an excellent stress reliever because it releases endorphins, which give a sense of well-being and happiness. In Sri Lanka, the majority of the people are doing swimming as a sport, and some are willing to do this as a hobby. Most people don't know how to swim, where they can learn swimming and how to find a certified coach. The objective of this research paper is to identify the problems that occur when swimmers finding certified coaches, the nearest pool and maintain the water quality of the swimming pool. This research was conducted using both qualitative and quantitative data. This mainly focuses on the survey that was conducted to the swimmers via a google form using social media platforms and identified the problems that the responders faced. And interviewed some of the leading swimming coaches in Sri Lanka to get their experience and qualifications and also interviewed pool managers to know how the maintain process of water quality of the pool. To overcome these issues, this research paper proposed a web-based swimming portal with advanced water quality Monitoring system for Sri Lankans who are doing swimming. This includes the previous techniques used for the web portals and the main strategies that can be added to the swimming portal. In the future, this portal can be implemented for diving, lifesaving, surfing, synchronized swimming, underwater diving, and water polo.
Review of Uncommon Power Generation Methods
(Faculty of Computing and Technology, University of Kelaniya Sri Lanka, 2023) Perera, Poornima L; Edirisinghe, Nishad M; Hettige, Budditha
Fossil fuel shortage is a common problem in every country. Day by day it going to discreet also fuel prices going to increase. When burning fossil fuels have made a few problems. The main problem is environmental pollution. Considering the current rate of usage of fossil fuels will let its life up to the next five decades only. Most countries referred to the use of renewable energy. Wind power, Solar power, sea wave power, Hydropower, and Geothermal heat are a few of the renewable energy they have used. Also, few countries have used nuclear power plants, charcoal power plants, and diesel power plants. But when using charcoal or diesel power plants, it has to spend a lot of money on one unit of electricity. Nuclear power plants are not suitable for small countries like Sri Lanka. In history, the most powerful kingdoms had used uncommon and hidden power for their living area. The main objective is this review paper is to identify uncommon power generation methods and weaknesses of the existing renewable power generation system and To what extent are these suitable for Sri Lanka. Performance analysis has been carried out in this study along with the literature review.