Journals and Magazines: Recent submissions

Now showing items 101-120 of 1745

Clinical trial of a low-cost external fixator for global surgery use

Milandri, G; Wijesinghe, P. C. I.; Munidasa, D; Pathmanathan, C; Saeidi, M; Bull, A. M. J; Silva, P [Article-Full-text]

Purpose A low-cost modular external fixator for the lower limb has been developed for global surgery use. The purpose of this study is to assess outcome measures in the first clinical use of the device. Methods A prospective ...
Tsunami preparedness within Sri Lanka's education system

Celsa, J; Rossettoa, T; Little, AW; Dias, P [Article-Full-text]

Asked what hazard posed the greatest threat to their school, the principals of coastal schools in the Galle, Ampara and Batticaloa districts of Sri Lanka overwhelmingly responded “tsunami”. This result is unsurprising ...
Engineering surveys of Sri Lankan schools exposed to tsunami

Cels, J; Rossetto, T; Dias, P; Thamboo, J; Wijesundara, K; Baiguera, M; Del Zoppo, M [Article-Full-text]

The 2004 Indian Ocean tsunami affected 5% of Sri Lanka’s schools, severely damaging 108 and destroying 74. The catastrophe highlighted the critical role of schools in providing educational continuity during community ...
On the deviation of mean pressure coefficients in wind loading standards for a low-rise, gable-roofed building with boundary walls

Meddage, D.P.P.; Lewangamage, C.S.; Weerasuriya, A.U. [Article-Full-text]

The provisions in wind loading standards routinely overlook the influence of nearby small-size objects on wind loads of low-rise buildings. One such object is boundary walls that significantly modify the surrounding wind ...
High efficient nanostructured PbSe0.5Te0.5 exhibiting broad figure-ofmerit plateau

Nandihalli, Nagaraj; Wijethunge, Dimuthu; Kim, Kyomin; Kim, Jiyong; Gayner, Chhatrasal [Article-Full-text]

To have a very good energy conversion efficiency, thermoelectric (TE) material should exhibit higher figure-of-merit (ZT) for broad range of temperatures. In that direction, n-type PbTe0.5Se0.5 material with enhanced and ...
Analysis of the trend of pH changes of concrete pore solution during the hydration by various analytical methods

Natkunarajah, Kapilraj; Masilamani, Koneswaran; Maheswaran, Sithambaresan; Lothenbach, Barbara; Amarasinghe, D.A.S.; Attygalle, Dinesh [Article-Full-text]

The pH is an important parameter in concrete health monitoring. Many studies have been conducted to investigate the environmental elements that influence the pH value of concrete. This study focussed on the investigation ...
On the convergence of inexact gradient descent with controlled synchronization steps

Ranaweera, S; Weeraddana, C; Dharmawansa, P; Fischione, C [Article-Full-text]

We develop a gradient-like algorithm to minimize a sum of peer objective functions based on coordination through a peer interconnection network. The coordination admits two stages: the first is to constitute a gradient, ...
Quantification of the impact of RANS turbulence models on airflow distribution in horizontal planes of a generic building under cross-ventilation for prediction of indoor thermal comfort

Nimarshana, P.H.V.; Attalage, R.A.; Perera, K. Kapila C.K. [Article-Full-text]

Computational ﬂuid dynamics (CFD) simulations based on the steady Reynolds-Averaged Navier-Stokes (RANS) approach are widely employed to predict airﬂow field and thermal comfort in cross-ventilated buildings. RANS models ...
Haematococcus pluvialis: A potential feedstock for multiple-product biorefining

Nishshanka, Gannoru Kankanamalage Sanuji Hasara; Liyanaarachchi, Vinoj Chamilka; Nimarshana, Pemaththu Hewa Viraj; Ariyadas, Thilini Udayangani; Chang, Jo-Shu [Article-Full-text]

The microalga Haematococcus pluvialis synthesizes high quantities of the antioxidant astaxanthin under adverse growth conditions. In addition to astaxanthin, the species accumulates other metabolites with commercial value ...
Comprehending genius loci, towards spiritual sustainability: lessons from Buddhist heritage city Anuradhapura

de Silva, W [Article-Full-text]

The world heritage city Anuradhapura, Sri Lanka, significant for spiritually cherished spatial orientation manifests in the city; reflecting ‘spiritual sustainability’, that integrates nature, natural elements, topography, ...
Parametric and kinetic study of washing pretreatment for K and Cl removal from rice husk

Peiris, Melani Anuradha; Gunarathne, Duleeka Sandamali [Article-Full-text]

Rice husk is an abundant agricultural waste that can be used in combustion applications. The use of agricultural waste in combustion applications is hindered by slagging, fouling, and corrosion due to elements such as K, ...
Toll and subsidy for freight vehicles on urban roads: A policy decision for City Logistics

Perera, Loshaka; Thompson, Russell G.; Wu, Wenyan [Article-Full-text]

Toll roads constructed under public-private-partnerships (PPP) are very common around the world. Due to the high capital cost invested and high risks associated with subsequent returns, investors are concerned about future ...
A statistical method for pre-estimating impacts from a disaster: A case study of floods in Kaduwela, Sri Lanka

Randil, Chameera; Siriwardana, Chandana; Rathnayaka, Bawantha Sandaruwan [Article-Full-text]

Quantification of impacts from a disaster is an important aspect in effectively managing the systemic risks arising from hazards. At present, damage assessments use complex modelling techniques which require time, capital, ...
Chemical process route selection based upon potential environmental risk of chemical releases

Rathnasekara, Prabuddhi Kalpana; Gunasekera, Manisha Yasanthi [Article-Full-text]

Chemical process route selection is a key decision taken during the preliminary design stage of chemical plant development. This work presents a risk-based methodology that can be used to select the most inherently ...
Transformation and tensions in the Sri Lankan brassware industry: Lessons for craft industry clusters in the global South

Rathnayake, Sri Rohana; Grodach, Carl [Article-Full-text]

Craft industries in the global south make important contributions to local culture and economic development, yet their organisational dynamics and community development potential are understudied. Moreover, these industries ...
Novel strategy for microalgae cell disruption and wet lipid extraction by employing electro-Fenton process with sacrificial steel anode

Sandani, Wanniarachchige Paramitha; Premaratne, Malith; Ariyadasa, Thilini U.; Premachandra, Jagath Kumara [Article-Full-text]

Electro-Fenton process (EFP) was studied as a potential cell disruption technique for recovery of lipids from wet biomass of the microalga Chlorella homosphaera. A novel approach of electrochemical dissolution of a sacrificial ...
Effects of pavement texture and colour on Urban Heat Islands: An experimental study in tropical climate

Senevirathne, D.M.; Jayasooriya, V.M.; Dassanayake, S.M.; Muthukumaran, S. [Article-Full-text]

Typical pavement construction materials, such as concrete and cement can significantly increase the Urban Heat Island (UHI) effect in tropical cities. The optimized pavement designs can, however, moderate the temporal ...
Unprecedented marine microplastic contamination from the X-Press Pearl container vessel disaster

Sewwandi, Madushika; Hettithanthri, Oshadi; Egodage, S.M.; Amarathunga, A.A.D.; Vithanage, Meththika [Article-Full-text]

The objectives of the research was to assess the coastal pollution by plastic nurdles, pyrolitic debris, associated potential toxic elements (PTEs) concentrations and mitigatory efforts by the worst ever maritime accident ...
Fully 3d-printed dry EEG electrodes

Tong, A; Perera, P; Sarsenbayeva, Z; McEwan, A; De Silva, AC; Withana, A [Article-Full-text]

Electroencephalography (EEG) is used to detect brain activity by recording electrical signals across various points on the scalp. Recent technological advancement has allowed brain signals to be monitored continuously ...
Use of solar PV inverters during night-time for voltage regulation and stability of the utility grid

Lulbadda, Kushan Tharuka; Hemapala, Udayanga [Article-Full-text]

Photovoltaic (PV) inverters are vital components for future smart grids. Although the popularity of PV-generator installations is high, their effective performance remains low. Certain inverters are designed to operate in ...

Now showing items 101-120 of 1745

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