Browsing ERU - 2008 by Title

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  • Biodiesel production from high FFA Rubber Seed oil 
    Sampath, PRAU; Samarakoon, SPAGL; Ismail, FM; Gunawardena, SHP [Conference-Abstract]
    Sri Lanka should look at alternative fuel sources to reduce its dependence on foreign oils. Diesel is the highest used petroleum product in the transport sector. Biodiesel extracted from non edible oils like Rubber Seed ...
  • Car park navigating system 
    Dias, SAD; Abeywickrama, RV; Attanayake, AATI; De Silva, GRH; Domingo, DDAPC [Conference-Abstract]
    It is known that every working day millions of drivers are looking for a place to park and most of the urban traffic occur due to the drivers loitering in search of parking spaces. We wished to offer a simple solution to ...
  • Cleaner Production option for the Sri Lankan desiccated coconut Industry - bacterial cellulose from wastewater 
    Walliwala, SG; Ismail, FM; De Alwis, AAP [Conference-Abstract]
    The Desiccated Coconut (DC) industry is an important source of export earnings in Sri Lanka. However lack of energy and environmental conservation techniques have made the industry less competitive. In this study, the ...
  • Coir pith activated carbon for the removal of dyes from aqueous solutions 
    Dhanusekera, DW; Amarasinghe, BMWPK [Conference-Abstract]
    Adsorption of methylene blue, malachite green and nylosan blue dyes onto carbonized coir pith from aqueous solutions was studied. Adsorbent was prepared by carbonizing coir pith at 700 C for l hr. Batch experiments showed ...
  • The competitiveness of Sri Lankan apparel industry 
    Mataraarachchi, R; Heenkenda, N [Conference-Extended-Abstract]
    The apparel industry of Sri Lanka has survived for along period of time and the industry was successfully catered to the international market especially for US and EU market in the last two decades. Apparel exports still ...
  • Construction and demolition waste as a road construction material for flexible pavements 
    Jayasooriya, VWP; Kumara, MAW [Conference-Abstract]
    This research is focuses on evaluating the physical properties and durability characteristics of both demolition and process waste for flexible pavement construction. The initial results showed that there is a possibility ...
  • Construction and demolition waste as a road construction material in rigid pavement design 
    Gayani, JKU; Kumara, MAW; Nanayakkara, SMA [Conference-Abstract]
    This paper focus on investigation of properties of recycled aggregate and use of recycled concrete aggregates to partially or fully replaced natural aggregates in the production of lower grade concrete. Recycled products ...
  • Correlation between ultrasonic attenuation and hardness of tool steels 
    Dayananda, HGSM; Munasinghe, RGNDS; Sivahar, V [Conference-Abstract]
    Theory of propagation and reflection of ultrasonic waves in metals in used to locate the internal defects of engineering components. It is observed that the energy absorption of ultrasonic waves (attenuation) in a metal ...
  • Design and realization of pogrammable induction motor drive 
    Kurnarawadu, S; Ranindu, D; Rathnayakae, G; Sreeskanth, V; Sriragu, A; Sudarsan, Gl [Conference-Abstract]
    There are different algorithms available for speed control of induction motors, while every algorithm has its relative merits over the other. The inverters available in the market are mostly designed using application ...
  • Design of an ergonomically efficient chair 
    Gopura, RARC; Amarasena, KGAH [Conference-Abstract]
    Ergonomically designed chairs are important for long time seated workers to increase their productivity and also to reduce low back injuries due to use of poorly designed chairs in ergonomic aspects. In addition, ...
  • Design of automatic voltage regulator and frequency governor for synchronous generator 
    Karunadasa, JP; Kumara, GRME; Paranietharan, A; Vishnukanth, S; Gamachchige, MSW [Conference-Abstract]
    This paper presents the development of an Automatic Voltage Regulator (AVR) and a Frequency Governor for synchronous generator for laboratory purposes. The AVR operates as a voltage stabilizer and controller because the ...
  • Design, fabrication and testing of a thermo-electric refrigeration unit 
    Fernando, SVA; Wijesekara, RGRP; Wijewardane, MA; Watugala, GK; Attalage, RA [Conference-Abstract]
    A Thermo-Electric Refrigeration Unit to be used as a portable vaccine cooler in rural areas, where the main grid supply is unavailable was designed and constructed. Thermo-Electric modules working on the Peltier Effect, ...
  • Developing a food nano-bio technology roadmap for Sri Lanka 
    Perera, DHN; De Alwis, AAP; Ranaweera, KKDS [Conference-Abstract]
    Nanotechnology, the next revolution in the 21" century has many applications in several fields. Sri Lanka as a country based on the agricultural economy can benefit from this technology by enhancing the quality, safety and ...
  • Developing generalised human machine interface (HMI) devices for PLC controlled automation systemss 
    Ijabathullah, IIAAI; Dassanayake, VPC; Chandrarathne, LMLR; Madurapperuma, SN; Somapala, PM [Conference-Abstract]
    HMJ Devices provide logical flexibility to an industrial automation system by human feedback and decision support. Limitations on the present-day's HMIs, their brand and model specific interoperability limitations, lack ...
  • Development of breathing monolayer plastic packaging 
    Gunapala, O; Gunapala, PY; Illangarathne, SSKP [Conference-Abstract]
    The importance and relevance of development of permeable polymeric materials become apparent due to accelerating demand on breathing packaging in food processing, pharmaceutical, and horticultural industries. The present ...
  • Effect of Papain on the biodegradability of polyethylene modified by Chitosan 
    Samarasekara, AMPB; Gunapala, PY [Conference-Abstract]
    The objective of this research was to impart biodegradability to polyethylene. Chitin and Chitosan were main additives extracted from the fishery waste. Chitosan, a natural polymer, was one prospective contender for ...
  • Effect of size of the inlet for the air flow through the new multi dose dry powder Inhaler 
    Sudeera, MADA; Dassanayake, VPC; Mangala, J; Goonathilake, A [Conference-Abstract]
    This paper was based on part of the study in developing a new multi dose dry powder inhaler. This was focused on to study how the inlet diameter of the inhalation air chamber of a new multi dose dry powder inhaler affects ...
  • Electronically controlled circuit breaker 
    Karunadasa, JP; Edirisinghe, AJ; Hasthanayake, LS; Ranawaka, AS; Shantha, GDI; Suranjith, ALD [Conference-Abstract]
    Due to rapid increase of 3 phase motors the usage of MCCBs, contactors and overloads have also increased. The main objective of project is to design and implement a low cost Electronically Controlled Circuit Breaker (ECCB) ...
  • Exploring new opportunities - the application of ULTRASONIC Technology in fashion 
    Seram, NCK [Conference-Abstract]
    The development of new technologies applied to fashion offer opportunities to adapt the multiple and ever changing lifestyles redefining how we think about the design, manufacture and consumption of fashion. In fashion ...
  • Extraction of natural dyes as textile colourants from kitchen wastes 
    Wijayapala, UGS [Conference-Abstract]
    This research study focuses on the dyeing of cellulosic fabrics with aqueous extracts from two different domestic wastes. Two methods of dyeing (i.e. with mordanting and without mordanting) were carried out on cotton ...