Browsing Research Publications by Acc. No. "N2883"

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  • An appropriate method of production of rubberrised bitumen for road surfacing 
    Subramaniam, K; Thiruchelvam, AT; Raveendran, K [Article-Full-text]
    A laboratory scale method comprising two stages has been developed to produce rubberised bitumen based upon natural rubber. In the first stage of the method, natural rubber in the form of field latex, stabilised previously ...
  • Building envelope performance index for commercial bl ilding energy conservation 
    Jayasuriya, JPW; Attalage, RA [Article-Full-text]
    The role of thermo-physical and geometrical characteristics of a building envelope that plays in the air-conditioning load of the commercial sector is highlighted. A standard methodology of quantifying a performance index ...
  • Building envelope performance index for commercial building energy conservation 
    Jayasuriya, JPW; Attalage, R.A. [Article-Full-text]
    The role of thermo-physical and geometrical characteristics of a building envelope that plays in the air-conditioning load of the commercial sector is highlighted. A standard methodology of quantifying a performance index ...
  • Design of multi channel television receiving antennas 
    Jayasinghe, JASK [Article-Full-text]
    Since the introduction of Television to Sri Lanka in 1979, television viewers in Sri Lanka now have an opportunity to tune into seven TV channels. The island wide coverage of these channels has been achieved by the use ...
  • Design of multi channel television receiving antennas 
    Jayasinghe, JASK [Article-Full-text]
    Since the introduction of Television to Sri Lanka in 1979, television viewers in Sri Lanka now have an opportunity to tune into seven TV channels. The island wide coverage of these channels has been achieved by the use ...
  • Generation of Sinhala characters in autocad drawings 
    Watugala, GK; Janaka Mangala, KH [Article-Full-text]
    More and more industries in Sri Lanka are now turning to computers to make engineering drawings. The most popular software package for computer aided drawing (CAD) is AutoCAD developed by AutoDESK Inc. of USA. ...
  • Generation of Sinhala characters in autocad drawings 
    Watugala, GK [Article-Full-text]
    More and more industries in Sri Lanka are now turning to computers to make engineering drawings. The most popular software package for computer aided drawing (CAD) is AutoCAD developed by AutoDESK Inc. of USA. computer-Aided ...
  • Interactive computer aided instructions for teaching and training 
    Punchihewa, GAD [Article-Full-text]
    This paper explains some findings of research on multimedia applications for Sri Lanka. The paper shows the usefulness of Interactive Computer Aided Instructions (ICAI) for the education and training of Sri Lankan students ...
  • Interactive computer aided instructions for teaching and training 
    Punchihewa, GAD [Article-Full-text]
    This paper explains some findings of research on multimedia applications for Sri Lanka. The paper shows the usefulness of Interactive Computer Aided Instructions (ICAI) for the education and training of Sri Lankan students ...
  • Minimisation of energy demand in buildings 
    Jayasinghe, MTR; Attalage, RA [Article-Full-text]
    The neutral temperatures for different locations in Sri Lanka have been established using actual climatic data. Based on these neutral temperatures, standard comfort zone for each of these locations have been identified ...
  • Minimisation of energy demand in buildings 
    Jayasinghe, MTR; Attalage, RA [Article-Full-text]
    The neutral temperatures for different locations in Sri Lanka have been established using actual climatic data. Based on these neutral temperatures, standard comfort zone for each of these locations have been identified ...
  • Sri Lanka industrial estate siting study 
    Wijesekera, NTS; Bhuvendralingam, S; De Alwis, A; Butler, J; Smythe, R; Gunaratna, MH; Vattala, HDVS; Ranawana, S [Article-Full-text]
    Expansion and diversification of the existing industrial base in Sri Lanka are major components of the country’s economic development policy. Though increased industrialization holds the promise of an improved economy, it ...
  • Sri Lanka industrial estate siting study 
    Wijesekera, NTS; Bhuvendralingam, S; De Alwis, A; Butler, J; Smythe, R [Article-Full-text]
    Expansion and diversification of the existing industrial base in Sri Lanka are major components of the country’s economic development policy. Though increased industrialization holds the promise of an improved economy, it ...
  • Structural forms suitable for ground water reservoirs constructed in Sri Lanka 
    Jayasinghe, MTR; Gunasinghe, PU; Puvanachandran, K; Ismail, KLM [Article-Full-text]
    The structural forms used for rectangular and circular reservoirs have been reviewed, It is shown that although the rectangular form with buttresses and tie beams gives an efficient arrangement, it has a poor performance ...
  • Water qualilty monitoring and modelling in the Kelani Ganga 
    Bhuvendralingam, S; Hettiarachchi, SSL [Article-Full-text]
    Draft ambient water quality standards based on designated water uses have been developed for surface waters of Sri Lanka in the period 1991-1992. These standards are to be used to evaluate present environmental quality, ...
  • Water quasi-cw, diffraction limited semiconductor double tapered laser oscillator 
    Dayawansa, IJ [Article-Full-text]
    Semiconductor laser sources are compact and convenient. They can be easily integrated with other semiconductor devices. They are useful as the source for free space communications between satellites; for optical radar and ...