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MESII - 2019
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Browsing MESII - 2019 by Author

Browsing MESII - 2019 by Author "Sivahar, V"

Now showing items 1-20 of 23

Determination of moisture content of wood using ultrasonic pulse velocity

Vithanage, VSC; Wijesinghe, MPMC; Piyathilake, SAKVM; Sivahar, V [Conference-Abstract]

Wood is one of the conventional materials still used in many engineering applications. As a natural material, it is subjected to dynamic property variations. One of the major reasons for the property variation of wood ...
Development of a lab scale dynamic mechanical analyzer

Rathnayaka, RMPC; Madushani, HDT; Weragoda, VSC [Conference-Abstract]

Dynamic mechanical properties refer to the response of a material when it is subjected to a periodic strain. Dynamic mechanical analysis (DMA) is an important technique used to measure the mechanical and viscoelastic ...
Development of a photosensor based on photo dielectric effect of cadmium sulphide

Kumari, TID; Jayasumana, MASD; Attygalle, D [Conference-Abstract]

A photosensor is an electronic component that detects the presence of visible light, infrared transmission (IR), and/or ultraviolet (UV) energy. A photosensor which changes its electrical capacitance in the presence of ...
Development of a vibration and shock sensor using piezoelectric ceramics

De Silva, HTTM; Dayananda, RKAS; Adikary, SU [Conference-Abstract]

When buildings are exposed to vibration or shock, those buildings can be damaged partially or fully depending on the energy of vibration. Hence, quantitative analysis of building vibration has become popular among ...
Development of cement, sand and sawdust based composite material to use as plaster for walls

Ekanayaka, EMCHB; Fernando, KKA; Udayakumara, SV [Conference-Abstract]

With the arisen development around the world, the demand for natural construction materials has been increased. Increasing consumption levels decrease the amount of available natural resources. The importance of material ...
Development of Graphene Oxide based capacitive gas sensor for NO2 detection

Deemantha, MBA; Gunasena, RGSP; Amarasinghe, DAS [Conference-Abstract]

Parallel plate capacitive gas sensor was assembled using Graphene Oxide (GO) as the transducer material. The sensor was tested with NO2 as the target gas. GO was synthesized according to the Improved Hummer's Method ...
Development of nano silver impregnated food packaging materials

Samarasekara, AMPB; Amarasinghe, DAS; Madhushan, WKP; Chathuranga, SN [Conference-Abstract]

The growing demand for increased shelf-hfe of food and the need for protection against foodbome diseases, fiiel the development of new food packaging materials. Silver-nanoparticle (AgNp) impregnated packaging materials ...
Development of polylactic acid (PLA) based biodegradable packaging materials

Dhanushka, MKDT; Kaushalya, RANC; Samarasekara, AMPB [Conference-Abstract]

The key purpose of packaging is to protect the contents or products from external factors. Synthetic polymers do not degrade completely in nature after the usage and create environmental issues. Therefore, there is a ...
Development of thermal insulator based on phase change materials

Jayawardhana, SHP; Umayanga, PKA; Attygalle, D [Conference-Abstract]

Thermal Energy Insulation is very important, especially for energy saving purposes. The use of Phase change material (PCM) for Thermal Energy Insulation (TEI) is technique That is being studied extensively for building ...
Effect of carbon content on the correlation between ultrasonic attenuation and corrosion of plain carbon steel

Metthananda, SHGK; Tennakoon, GAAI; Sivahar, V; Piyathilake, SAKVM [Conference-Abstract]

The field of Metallurgical Engineering includes a vast range of applications from tiny mechanical components to massive construction applications. The service life of metals is highly concerned and studied extensively. ...
Effect of corrosion surface topography on fatigue life of low carbon steel

Munasinghe, RGNDS; Piyathilake, SAKVM; Bandara, HMLS; Rangana, DMP [Conference-Abstract]

One of the main research areas of Metallurgical Engineering is associated with the estimation of fatigue life of atmospherically corroded metallic structural components. It has been studied extensively worldwide and most ...
Effect of penetration of corrosion on the load-bearing capacity of mild steel

Jayasooriya, ED; Munasinghe, RGNDS [Conference-Abstract]

The field of Metallurgical Engineering associated with the estimation of the service life of corroded structural members which has been studied in extensive detail, the world over. Most of the research work in this area ...
Extraction of nanocellulose from Sri Lankan agricultural waste

Wickramasinghe, WAWIC; Lasitha, DS; Samarasekara, AMPB; Amarasinghe, DAS [Conference-Abstract]

Polymers are widely used in domestic and industrial applications because of their diverse functionality, lightweight, low cost and excellent chemical stability. They are mainly classified into naturally occurring or ...
Extraction of natural dye from flowers of chenille plant (Acalypha hispida) for fabrics

Yasassri, MAH; Weerasinghe, WDC; Udayakumara, SV [Conference-Abstract]

Today many countries use the eco-friendly concept and various steps are being taken to preserve the environment and to reduce pollution. As the textile industry is becoming one of the main industries in the world, it ...
Investigation of cause of uncured resin in carbon fiber razor cables

De Seram, HSNP; Rathnayake, RMM; Weragoda, VSC [Conference-Abstract]

This research project investigates a mechanical failure of razor cables manufactured by a leading carbon fiber boom, rigging and spars manufacturing company in Sri Lanka. This project was aimed at detecting the cause of ...
Investigation of self discharge mechanism of locally available activated carbon-based super capacitor

Gunarathna, RNP; Muhandiram, DI; Attygalle, D; Amarasinghe, DAS [Conference-Abstract]

Carbon materials in their various forms are the most used electrode materials in the fabrication of supercapacitors. Activated carbon is derived from a variety of organic parent sources such as lignite, peat, coal, ...
Reinforcement of carboxylated nitrile rubber latex films by surface modified nanosilica

Ramasinghe, RLP; Liyanage, NMVK [Conference-Abstract]

Natural rubber based vulcanizates possess fairly high tensile strength as they show strain induced crystallisation. However, over the years, there has been a growing concern on the potential allergy caused by natural ...
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 ...
Study of the effects of sulphide stress corrosion on tensile strength of pipeline steel used in petroleum industry

Peiris, MDHC; Perera, LWL; De Silva, GIP [Conference-Abstract]

The phenomenon of sulfide stress corrosion (SSC) can result in catastrophic failures of pressurized equipment and piping, resulting in extensive damage, injuries and possible fatalities. Sulfide stress corrosion, a major ...
Studying the effects of quenching mediums on the mechanical properties of EN8 steel

Samaraweera, PDIP; Bandara, MMEN; Fernando, WSMGS; De Silva, GIP [Conference-Abstract]

Presently, ENS steel is widely used for induction hardened gear wheels due to its superior mechanical properties which are essential for gear wheels. This project focuses on achieving the required level of mechanical ...

Now showing items 1-20 of 23

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