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Browsing by Author "Kolios, Athanasios J."

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Carbon Brainprint Case Study: novel offshore vertical axis wind turbines

Parsons, David J.; Chatterton, Julia C.; Brennan, Feargal P.; Kolios, Athanasios J. (2011-07-31)

As part of the transition to a ‘low carbon economy', renewable technologies are expected toplay an increasing role in reducing dependence on fossil fuels for energy and electricity. Windpower in particular is likely to ...
CranSLIK v1.0: stochastic prediction of oil spill transport and fate using approximation methods

Snow, Ben J.; Moulitsas, Irene; Kolios, Athanasios J.; De Dominicis, Michela (2015-07-22)

Oil spill models are used to forecast the transport and fate of oil after it has been released. CranSLIK is a model that predicts the movement and spread of a surface oil spill at sea via a stochastic approach. The aim of ...
CranSLIK v2.0: improving the stochastic prediction of oil spill transport and fate using approximation methods

Rutherford, R.; Moulitsas, Irene; Snow, Ben J.; Kolios, Athanasios J.; De Dominicis, Michela (European Geosciences Union, 2015-10-26)

Oil spill models are used to forecast the transport and fate of oil after it has been released. CranSLIK is a model that predicts the movement and spread of a surface oil spill at sea via a stochastic approach. The aim of ...
Design and commissioning of a multi-mode prototype for thermochemical conversion of human faeces

Jurado Pontes, Nelia; Somorin, Tosin; Kolios, Athanasios J.; Wagland, Stuart; Patchigolla, Kumar; Fidalgo, Beatriz; Parker, Alison; McAdam, Ewan; Williams, Leon; Tyrrel, Sean (Elsevier, 2018-03-23)

This article describes the design and commissioning of a micro-combustor for energy recovery from human faeces, which can operate both in updraft and downdraft modes. Energy recovery from faecal matter via thermochemical ...
Design of novel experimental facility for testing of tidal arrays

Pintar, Matevz; Kolios, Athanasios J. (MDPI, 2013-08-12)

In order to obtain the maximum amount of energy from tidal stream extraction devices, deployment in large arrays should be studied. The area of seabed with favorable conditions is fairly limited; therefore layout spacing ...
Environmental impact assessment of the manufacturing of a commercial aircraft

Kolios, Athanasios J.; Howe, Stuart; Asproulis, Nikolaos; Salonitis, Konstantinos (2013-09-02)

This paper documents the methodology and presents the results of a comprehensive LCA study of an Airbus A320 commercial airliner to determine the relative environmental impact of its manufacturing phase. The study was ...
Experimental determination of the overturning moment and net lateral force generated by a novel vertical axis wind turbine: experiment design under load uncertainty

Kolios, Athanasios J.; Chahardehi, Amir Ebrahim; Brennan, Feargal P. (Blackwell Publishing Ltd, 2013-01-31)

Recent developments in harnessing wind energy propose new, radically different designs to alleviate some of the difficulties associated with conventional wind turbines. New designs however require testing for a variety of ...
Faecal-wood biomass co-combustion and ash composition analysis

Somorin, Tosin; Kolios, Athanasios J.; Parker, Alison; McAdam, Ewan J.; Williams, Leon; Tyrrel, Sean (Elsevier, 2017-05-16)

Fuel blending is a widely used approach in biomass combustion, particularly for feedstocks with low calorific value and high moisture content. In on-site sanitation technologies, fuel blending is proposed as a pre-treatment ...
Faeces - Urine separation via settling and displacement: Prototype tests for a novel non-sewered sanitation system

Hennigs, Jan; Ravndal, Kristin T.; Parker, Alison; Collins, Matt; Jiang, Ying; Kolios, Athanasios J.; McAdam, Ewan; Williams, Leon; Tyrrel, Sean F. (Elsevier, 2020-08-23)

The development of novel, non-sewered sanitation systems like the Nano Membrane Toilet requires thorough investigation of processes that may seem well-understood. For example, unlike the settling of primary sludge, the ...
Failure mode and effects analysis using a fuzzy-TOPSIS method: a case study of subsea control module

Kolios, Athanasios J.; Umofia, Anietie; Shafiee, Mahmood (Inderscience, 2017-07-03)

Failure mode and effects analysis (FMEA) is one of the most common reliability engineering techniques used for identifying, evaluating and mitigating the engineering risks. In this paper, the potential failure modes of a ...
Field testing of a prototype mechanical dry toilet flush

Hennigs, Jan; Ravndal, Kristin T.; Blose, Thubelihle; Toolaram, Anju; Sindall, Rebecca C.; Barrington, Dani J.; Collins, Matt; Engineer, Bhavin; Kolios, Athanasios J.; McAdam, Ewan; Parker, Alison; Williams, Leon; Tyrrel, Sean (Elsevier, 2019-02-17)

A prototype of a non-fluid based mechanical toilet flush was tested in a semi-public, institutional setting and in selected peri-urban households in eThekwini municipality, Republic of South Africa. The mechanism's ...
Life-cycle assessment of self-generated electricity in Nigeria and Jatropha biodiesel as an alternative power fuel

Somorin, Tosin Onabanjo; Di Lorenzo, Giuseppina; Kolios, Athanasios J. (Elsevier, 2017-06-21)

Insufficient available energy has limited the economic growth of Nigeria. The country suffers from frequent power outages, and inconvenient black–outs while residents and industries are forced to depend on self-generated ...
Multi-criteria assessment of offshore wind turbine support structures

Lozano Minguez, Estivaliz; Kolios, Athanasios J.; Brennan, Feargal P. (Elsevier Science B.V., Amsterdam., 2011-11-30)

Wind power, especially offshore, is considered one of the most promising sources of ‘clean’ energy towards meeting the EU and UK targets for 2020 and 2050. Deployment of wind turbines in constantly increasing water depths ...
Numerical Simulation of Material Strength Deterioration due to Pitting Corrosion

Kolios, Athanasios J.; Srikanth, Sumant; Salonitis, Konstantinos (Elsevier BV, 2014-06-02)

Pitting corrosion is an insidious form of localized corrosion affecting characteristics of various engineering metallic alloys. Currently very limited literature exists with regard to systematic characterization of pitted ...
A Political, Economic, Social, Technology, Legal and Environmental (PESTLE) Approach for Risk Identification of the Tidal Industry in the United Kingdom

Kolios, Athanasios J.; Read, G. (MDPI AG, 2013-09-27)

This paper presents a comprehensive analysis of renewable and especially tidal energy through a political, economic, social, technology, legal and environmental (PESTLE) analysis approach and by reviewing the most up to ...
Reanalysis of offshore T-joint fatigue life predictions based on a complete weld profile model

Lozano-Minguez, Estívaliz; Brennan, Feargal Peter; Kolios, Athanasios J. (Elsevier, 2014-06-20)

A comparison between the fatigue life predictions obtained by the stress concentration factors (SCFs) of 3D solid finite element (FE) models considering the weldment and the existing SCF parametric equations for tubular ...
Reliability assessment of cutting tools life based on advanced approximation methods

Salonitis, Konstantinos; Kolios, Athanasios J. (Elsevier BV, 2013-12-31)

Cutting tools' reliability influences the whole manufacturing efficiency. However, in most cases the same cutting tool may be used for different operations with different processing parameters, making thus difficult to ...
Reliability of floating foundation concepts for vertical axis wind turbines

Kolios, Athanasios J.; Collu, Maurizio; Brennan, Feargal P. (2010-12-31)

Offshore wind turbines are developing at a rapid pace. By far the most common turbine configuration is the HAWT (Horizontal Axis Wind Turbine) and development of these machines is largely centered about drive train and ...
Techno-economic optimisation of offshore wind farms based on life cycle cost analysis on the UK

Mytilinou, Varvara; Kolios, Athanasios J. (Elsevier, 2018-08-03)

In order to reduce the cost of energy per MWh in wind energy sector and support investment decisions, an optimisation methodology is developed and applied on Round 3 offshore zones, which are specific sites released by the ...
Thermodynamic analysis of a gamma type Stirling engine in an energy recovery system

Sowale, Ayodeji; Kolios, Athanasios J.; Fidalgo, Beatriz; Somorin, Tosin; Parker, Alison; Williams, Leon; Collins, Matt; McAdam, Ewan; Tyrrel, Sean (Elsevier, 2018-04-01)

The demand for better hygiene has increased the need for developing more effective sanitation systems and facilities for the safe disposal of human urine and faeces. Non-Sewered Sanitary systems are considered to be one ...

Browsing by Author "Kolios, Athanasios J."

Browsing by Author "Kolios, Athanasios J."

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