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Studies from University of Exeter Yield New Data on Wind Turbines (Performance and Life Cycle Assessment of a Small Scale Vertical Axis Wind Turbine)

Energy Daily News

2020 FEB 25 (NewsRx) -- By a News Reporter-Staff News Editor at Energy Daily News -- New research on Energy - Wind Turbines is the subject of a report. According to news reporting out of Penryn, United Kingdom, by NewsRx editors, research stated, “Wind energy is one of the most popular renewable energy technologies that is considered indispensable in any low carbon energy mix. Small scale wind technologies that occupy less space and can supply electricity directly to their owners are thought to be more environmental friendly than the large turbines and therefore attract less criticism.”

Financial support for this research came from France (Channel) England INTERREG IVA programme.

Our news journalists obtained a quote from the research from the University of Exeter, “Based on these, smaller scale renewables especially micro wind turbines should be the ideal solution but this might be just a leap of logic. The aim of this paper is to investigate whether it is worth developing smaller scale vertical axis wind turbines (VAWT) as a solution towards mitigating climate change. A real case of a H-Rotor 5 kW Darrieus vertical axis wind turbine in Poland is investigated for its performance using actual generation data. More importantly, a life cycle assessment (LCA) is undertaken, by compiling a very detailed life cycle inventory based on primary data and two scenarios were examined for the end-of-life treatment, including recycling and incineration. The performance assessment results show that the actual performance is very poor mainly due to the low wind speed. For this reason a series of hypothetical capacity factors were used to facilitate comparison with other studies. Using the CML impact assessment methodology, eleven environmental impact categories are assessed. The results show that the majority of the impacts are accredited to the supporting infrastructure - especially the mast and the foundations - rather than the turbine itself, which in the case of the Global Warming Potential (GWP) accounts for only 30%. Although the specific VAWT cannot achieve a generation that could reduce the environmental impacts to the level of the existing wind energy in Poland, a feasible capacity factor of 1.4% could make the GWP lower than the average low voltage electricity mix in Poland.”

According to the news editors, the research concluded: “The environmental performance is very sensitive to the fluctuations of the capacity factor and recommendations are given for appropriate siting, recycling of the metals and integration of the turbine on existing building structure.”

For more information on this research see: Performance and Life Cycle Assessment of a Small Scale Vertical Axis Wind Turbine. Journal of Cleaner Production, 2020;247():. Journal of Cleaner Production can be contacted at: Elsevier Sci Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, Oxon, England. (Elsevier -; Journal of Cleaner Production -

Our news journalists report that additional information may be obtained by contacting V. Kouloumpis, University of Exeter, Environment and Sustainability Institute, Penryn TR10 9FE, United Kingdom. Additional authors for this research include X.Y. Yan and R.A. Sobolewski.

The direct object identifier (DOI) for that additional information is: This DOI is a link to an online electronic document that is either free or for purchase, and can be your direct source for a journal article and its citation.


(Our reports deliver fact-based news of research and discoveries from around the world.)



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