Browsing University of Moratuwa Research – Reports by Title

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  • Quantification of the thermal performance of free-running three-storey houses 
    Jayawardena, AI; Jayasinghe, MTR; Attalage, RA [Article-Full-text]
    This paper explores the possible means to adopt environmentally-friendly passive techniques to promote thermal comfort inside houses with the view of minimizing the use of energy-intensive active means such as fans. ...
  • Rational use of plants in building interiors for thermal comfort : qualitative and quantitative 
    Perera, LSR [SRC-Report]
    Plants have increasingly become an integral part of the interior design of building in recent times. This is due to prevailing fashion and also in an attempt to produce an environment in which people feel psychologically ...
  • Regional flood estimation by canonical correlation 
    Gamage, NPD [SRC-Report]
    Canonical Correlation is an additional procedure for assessing the relationship between variables. Canonical Correlation permits one to establish the interrelations that may exist between two groups of variables, by ...
  • Removal of phenol from wastewater using rice husk based adsorbent 
    Amarasinghe, BMWPK [SRC-Report]
    Phenolic compounds are widely used in industrial sector and contamination of water by such compounds is a major environmental problem. Presence of phenolic compounds in wastewater cause serious discharge problems due to ...
  • Removal of pollutants in soak water resulting from parboiling of paddy 
    Karunaratne, HWGI; Gunasekera, MY [SRC-Report]
    Rice is the staple diet in Sri Lanka where parboiled rice is becoming fast popular. The parboiling process involves three main steps namely soaking, steaming and drying which improves various characteristics of rice. A ...
  • Removal of sulphur from graphite powder 
    Dharmaratne, PGR; Senaratne, CPJ [Article-Full-text]
    Graphite is crystalline carbon identical in composition with charcol and diamond. There are three principle types of graphite viz. Vein, Flake and Amorphous. Sri Lankan graphite falls into the vein graphite category, ...
  • Report of work done on special project digital IC tester 
    Atukorala, GS [Article-Full-text]
    To design and build a unit which will enable standard digital TTL and' CMOS IC's to be easily tested
  • Report on surveys for development of "micro level traffic model for a suburban area" 
    Kumarage, AS [Article-Full-text]
    The overall research work being carried out by Mi- Tissa is in the area of micro level traffic modeling for suburban areas. The hypotheses used in this research work are to find out the relationship between income and ...
  • Report on the JIG(model uni-gem) 
    University of Moratuwa; Bestwood Ltd [Article-Full-text]
    Even though various kinds of jigs are available in the market for processing gem gravel obtained from large scale mechanized or hydraulic mining, no portable jigs are available in the market for the benefit of small scale ...
  • Report on the JIG(model uni-gem) 
    University of Moratuwa; Bestwood Ltd. [Article-Full-text]
    Even though various kinds of jigs are available in the market for processing gem gravel obtained from large scale mechanized or hydraulic mining, no portable jigs are available in the market for the benefit of small scale ...
  • Retrofitting of a R-12 based domestic refrigerator to run on R-134a 
    Attalage, RA; Perera, KKCK [SRC-Report]
    With the discovery of R134a, which has a negligible Ozone depletion potential, ODP (R11 is listed as 1.0 on the scale) and at least hundred orders of magnitude less Global warming potential (GWP) compared to CFCs, resulted ...
  • Rice Husk Based Adsorbents for Dye Removal from Wastewater 
    Jayathunga, GK [SRC-Report]
    Adsorption of textile dyes onto rice husk based adsorbents from aqueous solutions was studied. Batch experiments were conducted to determine the effect of method of treatment of rice husk on adsorption. Raw rice husk, ...
  • Rice removal of pollutants in parboiled paddy wastewater 
    Gunasekera, MY [SRC-Report]
    Rice is the staple diet in Sri Lanka where parboiled rice is becoming fast popular. The parboiling process involves three main steps namely soaking, steaming and drying which improves various characteristics of rice. A ...
  • Roof orientation, roofing materials and roof surface colour: their influence on indoor thermal comfort of single-storey houses in Sri Lanka 
    Jayasinghe, MTR; Jayawardena, AI; Priyanvada, AKM [SRC-Report]
    Plants have increasingly become an integral part of the interior design of building in recent times. This is due to prevailing fashion and also in an attempt to produce an environment in which people feel psychologically ...
  • A Simplified square wave PWM technique: for speed control of low power 3-phase induction motors 
    Thimirachandra, RS; Jayasinghe, JAKS; Samarasiri, BS [SRC-Report]
    AC induction motors are used today for a wide range of applications demanding variable speed. This has created a high demand for AC induction type variable speed motor drives. These drives mainly use PWM and Space vector ...
  • Socioeconomic and environmental impact of rural household energy supplies 
    Wijayatunga, PDC; Attalage, RA [SRC-Report]
    Majority of the households in Sri Lanka, as in the case of many developing countries, is concentrated in the rural areas of the country. But unfortunately, very little attention has been paid until recently to analyse ...
  • Socioeconomic impact of solar home systems in rural Sri Lanka 
    Wijayatunga, PDC; Attalage, RA [SRC-Report]
    The use of solar photovoltaic systems of 25Wp to 50Wp (or frequently called as solar home systems) have been spreading fast in the rural areas of Sri Lanka as a source of energy used for domestic lighting, mainly due to ...
  • Special features of labour law relating to the health, welfare and safety standards of the construction industry in Sri Lanka 
    Abeynayake, MDTE [Article-Full-text]
    This research will analyse Employment/Labour Law relating to the human resource management in Sri Lanka. It analyses health, safety and welfare legislation and regulations concerning construction industry in Sri Lanka. ...
  • 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 ...