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Browsing ERU - 2009 by Year "2009"

Now showing items 1-20 of 75

Assessment of the stormwater drainage engineering in expressway design a hydrologic and hydrodynamic analysis of colombo-katunayake expressway using hydrodynamic modelling

Soysa, VAN; Wijesekera, NTS [Conference-Extended-Abstract]

Road designs need to forecast the hydrologic system performance in order to implement effective solutions for proper stormwater management. Field assessment and hydrologic analysis were carried out in Kalu Oya catchment ...
Brain E-Learner

Dias, SAD; Dayananada, NWN; Ferdinand, NS; Thivya, K; Udagedara, EA; Weerathunga, PE [Conference-Extended-Abstract]

The objective of this extended abstract is to present Brain e-Learning System -which ^vas developed and tested final year undergraduate project at the department of Electronic and Telecommunication Engineering university ...
CFD simulation of flow around ceiling fan

Kodikara, MC; Samarasinghe, SADH; Chandrasiri, MS; Sugathapala, AGT [Conference-Extended-Abstract]

This manuscript consists of the computation of the aerodynamic performances of flow around ceiling fan of symmetrical blade profiles ceiling fans by computational fluid mechanics (CFD) methods, developing a methodology for ...
Challenges and common failures in implementing lean manufacturing

Vilasini, PPG [Conference-Extended-Abstract]

Lean is a management philosophy which delivers many benefits such as waste reduction, cycle time inventory reduction, improvement in quality, delivery in time, high customer satisfaction etc. But up to S0% implemented ...
Change management in lean implementation: a case study in a local apparel manufacturing group

Perera, HSC; Abeytunge, ND; Samarasinghe, GD [Conference-Extended-Abstract]

Apparel industry is the main exporter and the contributor to the Sri Lankan economy. In order to stay competitive in the global market place, one major local apparel manufacturing group adopted lean manufacturing tool for ...
Chemical recycling of PET from waste soft drinks bottles to recover Terephthalic Acid

Udayakumara, SV; Gunapala, PY; Gunapala, O [Conference-Extended-Abstract]

This project aims to develop an efficient and low cost chemical recycling method to extract valuable terephthalic acid (TPA) from post consumer Poly (ethylene Terephthalate) (PET) in Sri Lanka. PET waste from soft drink ...
Comparative performance of bio filter packing materials for waste gas treatment

Wijayawardhana, AJ; Wijeyekoon, SLJ; Walpalage, S; Amarasinghe, ADUS [Conference-Extended-Abstract]

A study was conducted to evaluate the removal efficiency of NH3 and H2S emitted from an industrial waste gas source by biofiltration. Four types of packing material were used and NH3 and H2S in the contaminated air stream, ...
Comparison of heavy metal adsorption using bacterial cellulose and modified bacterial cellulose

Gamage, NS; Walliwala, SG; Dharmasena, TR; Ismail, FM; De Alwis, AAP [Conference-Extended-Abstract]

Adsorbent materials derived from various sources have been used to treat wastewater that is contaminated with heavy metals. Bacterial Cellulose (BC) is one such material that has the potential to use as an adsorbent. BC ...
Comparison of mechanical oil extraction vs. solvent extraction for jatropah curcas

Gunawardena, SHP; Jayasinghe, P; Hewa Walpita, D [Conference-Extended-Abstract]

Jatropha curcas oil was found to be a good source for biodiesel the production. The effect of particle size and the temperature of Jatropha seeds on the extractability of oil were investigated in laboratory scale by ...
Comparison of propagation models for fixed WiMAX system based on IEE 802.16-2004

Amarasinghe, KC; Peiris, KGAB; Thelisinghe, LADMD; Warnakulasuriya, GM; Samarasinghe, ATLK [Conference-Extended-Abstract]

The study of empirical propagation models for mobile channels has been done extensively, but the applicability of those to a FWA System is not appropriately tested. The models include Hata-Okumura, COSTH1 Hata, Walfisch ...
Control of electrical appliances from hand tracking

Wickramarachchi, N; Bandara, HMSLG; Jayarathna, KHEH; Karunapala, PMAU; Senevirathne, MRKC [Conference-Extended-Abstract]

Control of Electrical appliances from hand tracking is our final year project and mainly based on newly emerging image processing technology. Image grabbed by the camera will be processed by PC and if it is identified any ...
Control platform for a mobile robot team to move in a formation in an indoor environment

Dassanayake, VPC; Abeysiriwardena, DSDeZ; Lalitharatne, SWHMTD; Wimalarathne, KAAP [Conference-Extended-Abstract]

The purpose of this paper is to explain the approach taken and results achieved in an attempt made to develop mobile robot team which can move in formation in an indoor environment. A trilateration system is implemented ...
Design and development of a payload module for rocket-borne experiments for university students (REXUS)

Ukwatta, UDAK; Khangamage, UP; Fernando, P [Conference-Extended-Abstract]

Sounding rockets are the most common medium that are used carry instruments to near space for various types of experiments such as microgravity experiments, upper atmospheric experiments etc. However, due to high acceleration ...
Design and development of dye-sensitized organic semi conductor based photo electric system utilizing nanotechnology for low cost and efficient conversion of solar energy to electricity

Attanayake, CIF; Premachandra, BAJK; De Alwis, AAP; Senadeera, GKR [Conference-Extended-Abstract]

Preliminary investigations on the identification of natural pigments in the dye-sensitization of Nano crystalline n-type TiO2 were carried out. Fresh extracts of Mangoostein, Rabutan, Mango, Tomato, Carrot, King coconut, ...
Design and fabrication of cable bolt for excavation in a fractured rock

Dhanawardana, YLC; Siriwardana, HDPM; Henderson, SH; Kumara, HMCP; Indika, KAS; Dharmaratne, PGR; Welideniya, HS; Rohitha, LPS [Conference-Extended-Abstract]

Most often in fractured rock masses, large excavations have an unsupported stand-up times less than the minimum time required to support the roof after the excavation. During past few years a wide variety of dowels and ...
Design of a phase lead-lag controller for servo motors

Muralidaran, T; Nuwanpriya, KMA; Nagasinghe, AI; Neydorff, NA [Conference-Extended-Abstract]

Servo motors are used in diverse industrial applications in the world today. The main feature of these applications is that they require precise position or velocity controlling. In this research, we have come up with a ...
Design of an industrial scale biofiltration system

Wijayawardhana, AJ; Wijekoon, SLJ; Walpolage, S; Amarasinghe, ADUS [Conference-Extended-Abstract]

An industrial scale waste gas treatment system was designed and constructed at a Tobacco Processing Factory. The treatment system consisted of three units namely: condenser, scrubber and bio fdter, the latter acting as the ...
Design of conventional extruder die for production of semi rigid PVC pipe

Gunapala, O; Gunapala, PY; Tilakasena, U [Conference-Extended-Abstract]

The research was directed to design an extruder die for production of semi rigid poly-vinyl-chloride ( PVC) pipes widely used as an outlet pipe in washing machines, that are very popular not only at homes but in a number ...
Detection of vehicles using a cascaded classifier in comparison to a artificial neural network

Fernando, S; Udawatta, L [Conference-Extended-Abstract]

This paper describes the comparison of accuracy and performance of two machine learning approaches for visual object detection and tracking vehicles. The first is a neural network based approach. The classification was ...
Development of a glazed clay body suitable for cookware

Jayawardane, JTST; Adikary, SU; Gunawardane, U [Conference-Extended-Abstract]

Development of a glazed red clay cookware body with adequate thermal shock resistance was successfully locally available raw materials. Thermal compatibility of red clay and different fritted glazes were investigated thermal ...

Now showing items 1-20 of 75

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