Browsing Research Publications by Title

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  • Public vs private sector owned urban public space performance in terms of user perception in city of Colombo 
    Fayas, A.M.; Peiris, M.T.O.V.; Kalugalla, K.G.P. [Conference-Full-text]
    Public spaces are considered one of the fundamental elements in the urban context to promote leisure and recreation for urban dwellers. Public spaces contain variations within each other from the physical appearance, ...
  • Purification of automobile wastewater using fly ash-clay composite 
    Anushan, RGS; Dasanayake, PMK; Karunarathna, CNW; Amarasinghe, BMWPK [Conference-Extended-Abstract]
    The adsorbent fly ash-clay composite was tested for the treatment of automobile service station wastewater. Batch experiments were conducted to establish the adsorption column parameters which were optimum fly ash to ...
  • Purification of glycerin as a by-produet from biodiesel process 
    Rodrigo, N; Ismail, M; Gunawardena, S [Conference-Extended-Abstract]
    Glycerin produced from biodiesel was purified using a series of methods. Crude glycerin was separated from biodiesel by gravity settling and by centrifugaiton. Methanol and catalyst used in the production of biodiesel ...
  • The purpose of retentions: a review of the existing literature 
    Raina, P; Tookey, J [Conference-Full-text]
    Retention is a phenomenon practiced in the construction industry for well over a century. It is a contractual mechanism whereby a portion of money, due to the contractor/subcontractor is held back till the completion ...
  • Pyrolysis of single biomass particle using three-dimensional Computational Fluid Dynamics modelling 
    Wickramaarachchi, EAMKP; Narayana, M [Article-Full-text]
    In the present work, the drying and pyrolysis process of a thermally thick single wood particle has been investigated. A novel approach has been made considering the two phases gas and solid inside the particle are not in ...
  • Q-learning approach for load-balancing in software defined networks 
    Tennakoon, D; Karunarathna, S; Udugama, B [Conference-Full-text]
    In this paper, we propose a Q-Learning approach for load balancing in Software Defined Networks to reduce the number of Unsatisfied Users in a 5G network. This solution integrates Q-Learning techniques with a fairness ...
  • Qi compliant wireless charging and communication for implantable devices 
    De Silva, HHH; Lakmal, SOK; Chamikara, PBJ; Gunawardana, IMKR; Chandima, DP [Conference-Full-text]
    Wireless power transmission has proven to be extremely helpful in the field of medical implants given its potential to power an implant embedded in the body wirelessly. Current studies in wireless power transmission ...
  • Qt widget to manipulate plots for octave users 
    Ranasinghe, YRM [Conference-Full-text]
    Octave [1] is an open source mathematical analyzing & computing tool, similar to Matlab. This paper introduces a graphical interface to make plot manipulation in octave in more user-friendly way. Using the proposed ...
  • Quadcopter disturbance estimation using different learning methods 
    Atapattu, S; De Silva, O; Mann, G; Gosine, R [Conference-Full-text]
    Precise modeling of quadcopter dynamics is challenging due to the complex nature of its construction, aerodynamic effects, friction at rotors, and wind effects involved. In general analysis, these unmodeled dynamics are ...
  • Qualitative analysis on layout flexibility of machine layout configurations 
    Perera, G; Ratnayake, V [Article-Abstract]
    Manufacturing flexibility is one of the key parameters that determine the organizational success in today’s volatile market. Layout flexibility as a subcategory of manufacturing flexibility plays a major role in handling ...
  • Quality assurance of low cost building construction 
    Kanagaratnam, H; De Silva, ML; Hadiwattege, C [Conference-Abstract]
    Construction industry is complex in nature, therefore quality assurance is paramount important and it is absolutely interconnected with cost. Quality is essentially a state of mind; it varies from individual to individual. ...
  • Quality at a Glance: An Audit of Web-Crawled Multilingual Datasets 
    Kreutzer, J.; Caswell, I; Wang, L; Wahab, A.; van Esch, D; Ulzii-Orshikh, N; Tapo, A; Subramani, N; Sokolov, A; Sikasote, C; Setyawan, M; Sarin, S.; Samb, S.; Sagot, B; Rivera, C.; Rios, A; Papadimitriou, I.; Osei, S.; Suarez, P. O; Adeyemi, M [Article-Full-text]
    With the success of large-scale pre-training and multilingual modeling in Natural Language Processing (NLP), recent years have seen a proliferation of large, Web-mined text datasets covering hundreds of languages. We ...
  • Quality based energy contents and carbon coefficients for building materials: A systems approach 
    Dias, WPS; Pooliyadda, SP [Article-Full-text]
    This paper describes a computerised relational database management system to represent and calculate (i) the energy inputs to a building material or element up to the point of utilisation or construction and (ii) the carbon ...
  • Quality control aspects of asphalt concrete surface regularity 
    Gnanasekaran, S; Mampearachchi, WK [Conference-Abstract]
    Standard Specifications for Construction & Maintenance of Roads and Bridges in Sri Lanka do not specify the allowable limit of road roughness for newly constructed roads or rehabilitated roads. But, the specification ...
  • Quality control of manufactured tires through nondestructive test 
    Priyanthini, B; Sivahar, V [Conference-Abstract]
    The industries are getting better and better with the evolution of technology. Every product which is manufactured need to be quality checked to ensure the quality of the product to the customer. Different types of testing ...
  • Quality enhancement of recycled asphalt product using warm mix asphalt technology 
    Sarvanantha, A; Mampearachchi, WK [Conference-Full-text]
    The challenge of utilizing Recycled Asphalt is the secondary aging of aged binders from Reclaimed Asphalt Pavement (RAP) in Hot Mix Asphalt (HMA) technology. This research aims to lower the production temperature of HMA ...
  • Quality management practices among large scale building contractors 
    Wickramage, HS; Gunawardena, ND [Conference-Full-text]
    Construction industry is predominantly project based and quality is one of the main concerns of customer. Hence achieving quality is one of the major tasks of a contractor. Many contractors in Sri Lanka use ISO 9001 based ...
  • Quality of healthcare service delivery in public sector hospitals: a case study based on western province in Sri Lanka 
    Dasanayaka, SWSB; Gunasekera, GSP; Sardana, GD [Article-Abstract]
    The main objective of this paper is identification of current service quality of healthcare delivery of public sector hospitals to assess the quality determinants of healthcare delivery and to suggest policies and strategies ...
  • Quality of life (QoL) in university undergraduates in Sri Lanka 
    Wijayarathna, PL; Gamage, IG; Nimanthika, SHCN; Anasinghe, MN; Dunuwila, VR; Jayasooriya, S [Conference-Full-text]
    Quality of Life (QoL) of university students remains an under studied topic that can raise problematic situations if not addressed properly. Many university students are immersed in an environment of high levels of stress ...
  • Quality of MOOCs: A review of literature on effectiveness and quality aspects 
    Gamage, D; Fernando, MSD; Perera, GIUS [Conference-Abstract]
    Massive Open Online Courses (MOOC) is a trending phenomenon in online education. Number of participants in a MOOC and the number of MOOCs by platforms and courses are appearing to be increasing at a tremendous level. ...