Distribution of Articles published per year
(2012 - 2016)
(2012 - 2016)
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Article 1 Read 0 Citations Operation analysis of AC traction motors in terms of electromagnetic torque capability on sustainable railway vehicles Published: 01 January 2016
MATEC Web of Conferences, doi: 10.1051/matecconf/20167602005
Sustainable operation of electric railway systems represents a significant purpose nowadays in the development of high power and high speed locomotives and trains. At present, high speed electric vehicles mostly work with three-phase induction motors or three-phase synchronous motors as traction motors. The two electric machine types have different efficiencies at different operation points, and experience differences with respect to safety, speed and power, energy use and exergy efficiency. An important issue that correlates these aspects is the electromagnetic torque developed by an electric traction motor. In order to provide an overview of the technical performance of the operation of sustainable railway systems, a detailed analysis is carried out of the electromagnetic torque capability of AC electric motors utilized as traction motors in modern locomotives of high power and/or high speed. The results of this work may help in enhancing the main criteria for optimising the safe and sustainable operation of electric railway traction systems.
Article 1 Read 0 Citations Evaluating the Thermal Pollution Caused by Wastewaters Discharged from a Chain of Coal-Fired Power Plants along a River Published: 13 May 2015
Sustainability, doi: 10.3390/su7055920
Reliable and safe operation of a coal-fired power plant is strongly linked to freshwater resources, and environmental problems related to water sources and wastewater discharge are challenges for power station operation. In this study, an evaluation on the basis of a wastewater thermal pollution vector is reported for the environmental impact of residual water generated and discharged in the Jiu River during the operation of thermoelectric units of the Rovinari, Turceni and Craiova coal-fired power plants in Romania. Wastewater thermal pollutant vector Plane Projection is applied for assessing the water temperature evolution in the water flow lane created downstream of each power plant wastewater outlet channel. Simulation on the basis of an Electricity of France model, and testing validation of the results for thermoelectric units of 330 MW of these power plants are presented.
Article 0 Reads 1 Citation Addressing the Impact of Environmental Xenobiotics in Coal-Fired Flue Gas Published: 05 March 2015
Sustainability, doi: 10.3390/su7032678
Dangerous and unstable situations can result from the presence of environmental xenobiotics since their harmful effects on humans and ecosystems are often unpredictable, and building awareness of the environmental risk should be a main concern of humankind. The environmental xenobiotics in the flue gas from a fossil fuel-fired electrical generating station, such as particulate matter (PM), sulfur dioxide (SO2), nitrogen oxides (NOx), and carbon dioxide (CO2), are analyzed in this study, since these xenobiotics are persistent pollutants. Mathematical models of the environmental pollutant vector, estimating the emission factors specific to fossil fuel combustion, are applied to the operation of thermal units in the Turceni electrical generating station, each of which produces a net electrical power of 330 MW. For each stack gas component in the pollutant vector, emission factors and pollutant concentrations are determined. A pattern is also examined depicting the mathematically modelled processes of resonant absorption of an environmental xenobiotic harmonic oscillation by an organism modulated as an absorbing oscillator structure. The xenobiotic concentration degree is represented through a spatial concentration vector, which allows further modelling and simulation of the oscillating regime of environmental xenobiotic absorption.
Conference 2 Reads 0 Citations Assessing the Environmental Pollutant Vector of Wastewaters Discharged from a Chain of Coal-Fired Power Plants Along a R... Published: 31 October 2014
The 4th World Sustainability Forum, doi: 10.3390/wsf-4-a005
PROCEEDINGS-ARTICLE 1 Read 0 Citations Building Awareness of the Impact of Environmental Xenobiotics in Coal-Fired Flue Gas Published: 31 October 2014
Proceedings of The 4th World Sustainability Forum, doi: 10.3390/wsf-4-a003
Conference 2 Reads 0 Citations Some Aspects of Sustainable Energy Conversion During Transient Processes in Electric Power Systems Comprising Generator ... Published: 31 October 2013
The 3rd World Sustainability Forum, doi: 10.3390/wsf3-d001