Thermal Modelling and Power Consumption Estimation of a Multi Floor Small Scale Building Using SPICE Simulator

This study is a part of a concrete sustainable development project introduced at university. A small scale genuine materials house (1/20 scale) with its green energy sources and electronic circuits management have been designed for educational and research purpose [1]. Thanks to a modular design and optional accessories, many thermal and electronic measurements and modelling are possible, like in a real house. A SPICE equivalent thermal behaviour modelling is proposed. Once validated, a case of study for a three floor small scale building is presented. Power consumption and insulation efficiency are analyzed. Main tendencies are checked after comparison with a real multi floor building. Results are finally discussed

Approaching Resonant Absorption of Environmental Xenobiotics Harmonic Oscillation by Linear Structures

sustainabilit

Evaluating the Thermal Pollution Caused by Wastewaters Discharged from a Chain of Coal-Fired Power Plants along a River

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

Sustainability Aspects of Energy Conversion in Modern High-Speed Trains with Traction Induction Motors

Some aspects are illustrated of energy conversion processes during the operation of electric railway vehicles with traction induction motors, in order to support transport systems’ sustainability. Increasing efforts are being expended to enhance the sustainability of transportation technologies and systems. Since electric drive systems are used with variable voltage variable frequency (VVVF) inverters and traction induction motors, these machines with appropriate controls can realize both traction and electric braking regimes for electric traction vehicles. In line with this idea, this paper addresses the operation sustainability of electric railway vehicles highlighting the chain of interactions among the main electric equipment on an electrically driven railway system supplied from an a.c. contact line: The contact line-side converter, the machine-side converter and the traction induction motor. The paper supports the findings that electric traction drive systems using induction motors fed by network-side converters and VVVF inverters enhance the sustainable operation of railway trains

SoMeRe: Knowledge Media for Continuing Professional Development

Recent developments in social media offer the interesting prospect that current ‘educational content methods and practices’ based on traditional media will become rapidly replaced by social knowledge interactions. These knowledge interactions are delivered and maintained by social media, and will be interactive, open, social and personal of nature. To gain insight and experience with this prospect, we started the development of the Social Media Research Centre, in short SoMeRe (www.somere.nl). We apply SoMeRe in our Communication Studies education and research as a ‘testbed’ for scenarios for future deployment of collaborative learning and continuing professionalization. This paper describes this design research. We describe SoMeRe, the ideas behind it, its use and the insights and preliminary experiences. This paper describes the design of social knowledge interactions as communication means related to learning processes and continuing professional development