Browsing Research Publications by Title

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  • Software solution effectiveness for image identification and artistic skills for visually impaired people through braille 
    Fonseka, ODS; Wedasinghe, N [Conference-Full-text]
    At present the visually impaired individuals do not perform or engage much in art. They do not draw paintings because they don’t have the capability to draw a world unknown and unseen before. New immerging softwares ...
  • Soil constitutive model for sustainable Geotechnical design 
    Higgins, W; Martindale, H; Chakraborty, T; Basu, D [Conference-Full-text]
    Design of sustainable civil infrastructure requires that the built environment is resilient against natural and man-made hazards which can cause catastrophic failures. As a result, high rates of strain (102- 104/sec) are ...
  • Soil contamination by direct disposal of reverse osmosis reject water onto the ground in the Chronic Kidney Disease of unknown etiology (CKDu) prevalent areas 
    Jayathilaka, PAVG; Gunawardana, WB [Conference-Full-text]
    Reverse Osmosis (RO) units have been installed in areas where Chronic Kidney Disease of unknown etiology (CKDu) prevails to provide good quality drinking water. At present, RO reject water is directly discharged onto the ...
  • Soil Nail Wall Design Optimization by Geotechnical Applications and Geophysical Techniques 
    Hettiarachchi, DAI; Fernando, HRW; Nanthahoban, E; Sameer, STM; Abeysinghe, AMKB; Premasiri, HMR; Samaradivakara, GVI [Conference-Full-text]
    Soil nailing is a soil reinforcement technique which is used to stabilize slopes by insertion of slender elements, called nails. When steep slopes are to be stabilized by soil nailing, practical problems are encountered ...
  • Soil nail wall design optimization by geotechnical applications and geophysical techniques 
    Hettiarachchi, DAI; Fernando, HRW; Nanthahoban, E; Sameer, STM; Abeysinghe, AMKB; Premasiri, HMR; Samaradivakara, GVI [Conference-Full-text]
    Soil nailing is a soil reinforcement technique which is used to stabilize slopes by insertion of slender elements, called nails. When steep slopes are to be stabilized by soil nailing, practical problems are encountered ...
  • Soil structure interaction of integral abutmentb bridges 
    Thevaneyan, KD; Forth, JP [Conference-Full-text]
    Integral Abutment Bridges (IAB) are defined as simple or multiple span bridges in which the bridge deck is cast monolithically with the abutment walls. Integral abutment bridges are becoming very popular due to its good ...
  • Solar and wind powered hybrid air-conditioner for a rainforest eco lodge 
    Palayangoda, LI; Fernando, P [Conference-Full-text]
    Eco lodges in Sri Lanka are becoming increasingly popular among foreign and domestic tourists to spend their leisure in a way which is much closer to the nature. The Eco lodges in the rainforest areas are more popular than ...
  • Solar driven biomass gasification: Sri Lankan context 
    Aluthge, PRK; Sanjeewa, DV; Senarathna, BNL; Gunarathna, D [Conference-Extended-Abstract]
    Solar driven biomass gasification is an energy conservation process which produce combustible gas called syngas which consists of Hydrogen, Carbon dioxide, Carbon Monoxide and Methane. Product gas has higher energy density ...
  • Solar energy harvesting and pavement sensing 
    Lee, KWW; Greenfield, M; DeCotis, A; Lapierre, K [Conference-Full-text]
    An attemptwas made to generate the required voltage in asphalt pavement to operate roadway sensors utilizing a temperature difference between two thermoelectric generators (TEGs). To enable output voltage by the TEGs ...
  • Solar net zero energy buildings: a review 
    Udayanga, IP; Soorige, SDA; Manjula, NHC [Conference-Full-text]
    Commercial and residential buildings account for almost 40% of the world total energy demand. In order to fulfil that energy requirement, large amount of fossil fuels are used and it has made a greater impact on the ...
  • Solar powered automated irrigation system 
    Nagahage, ISP; Dilrukshi, EAA [Conference-Full-text]
    The variation of spatial and temporal distribution of available water for irrigation makes significant demand on water conservation techniques. Hence solar powered Automated Irrigation System provides a sustainable ...
  • Solar powered domestic waste dryer 
    Alahakoon, AMMT; Kandewaththa, TH; Galhenage, AS [Conference-Abstract]
    Kitchen garbage, in general, is getting to be a big problem in urbanized area. Usually, in Sri Lanka municipal councils collect kitchen garbage once a week. Thus, week-long garbage at homes creates a strong unpleasant ...
  • Solar powered mini air conditioner for automobiles 
    Gunawardhana, HPB; Chamath, LG; Galhenage, AS [Conference-Abstract]
    As a tropical country, Sri Lanka experiences sunny conditions throughout the year. Most of the time vehicle users find it difficult to obtain shady places for their parking purposes. The temperature rise of the automobiles ...
  • Solar powered naval patrol boat operating on dye-sensitized solar cells (DSSC'S) utilizing fruit and spice extracts 
    Attanayake, CIF; Premachandra, BAJK; De Alwis, AAP [Conference-Abstract]
    Preliminary investigations on the identification of natural pigments in the dye-sensitization of nanocrystalline Ti02 were carried out. Fresh extracts of Mangoostein, Rambutan, Mango, Tomato, Carrot, Kingcoconut, Pumpkin, ...
  • Solar thermal collector 
    Perera, KKCK; Malika, MS [Conference-Extended-Abstract]
    According to the statistics on energy consumption by source, fossil fuel is dominant; this will possibly result in environmental pollution causing certain hazards to all living matter. But there should be some way to get ...
  • Solid state transformer technologies are cost estimation 
    Jayarathna, CU; Binduhewa, PJ; Lidula, NWA; Samaranayake, L; Ekanayake, JB
    Local direct current (dc) grids, supports by local storage and local renewables in residential and commercial buildings are identified as the key enablers for demand reduction and demand flexibility (demand response). It ...
  • Solid waste generation, characteristics and management within the households in Sri Lankan urban areas 
    Wijerathna, DMCB; Lee, K; Koide, T; Jinadasa, KBSN; Kawamoto, K; Iijima, S; Herath, GBB; Kalpage, CS; Mangalika, L [Conference-Full-text]
    Municipal Solid Wastes are becoming a multidimensional threat to the Sri Lankan environment. Especially the solutions are needed to reduce the amount of the environmental problem caused by haphazard solid wastes disposal ...
  • A solution for an unsafe ferry crossing at the Kalu Ganga: a case study at Galpatha 
    Fernando, PA; Baddewala, PK; Thabrew, DR; Wijekoon, C; Fernando, NS; Gunarathne, NH; Janujan, A; Dayarathna, H; Pathirana, DK [Conference-Abstract]
    People travelling between Galpatha, Bolossagama and its surrounding area face a challenge in crossing the Kalu Ganga using a privately operated ferry. Every year, it has been recorded that a significant number of accidents ...
  • A solution for the skilled labour scarcity of cinnamon processing through mechanisation 
    Adhikari, AMT [Conference-Extended-Abstract]
    Sri Lanka is known worldwide for more than several centuries for distinct flavours of the natural spices grown in the country. Cinnamon is the leading spice in the country in terms of foreign revenue earnings. Today, Sri ...
  • Solve manufacturer's pallet loading problem (mplp) with practical warehouse constraints 
    Gunawardena, K; Wijayanayake, A; Kavirathna, K [Conference-Full-text]
    This study presents a two-phase algorithm for solving the Manufacturer's Pallet Loading Problem (MPLP) while considering overhang and stability constraints using a block approach. The MPLP involves determining a loading ...