Abstract
Wind is an attractive renewable source of energy. Recent innovations in research and design have reduced to a few alternatives with limited impact on residential construction. Cost effective solutions have been found at larger scale, but storage and delivery of energy to the actual location it is used, remain a critical issue. The Integrated Roof Wind Energy System is designed to overcome the current issues of urban and larger scale renewable energy system. The system is built up by an axial array of skewed shaped funnels that make use of the Venturi Effect to accelerate the wind flow. This inventive use of shape and geometry leads to a converging air capturing inlet to create high wind mass flow and velocity toward a vertical-axis wind turbine in the top of the roof for generation of a relatively high amount of energy. The methods used in this overview of studies include an array of tools from analytical modelling, PIV wind tunnel testing, and CFD simulation studies. The results define the main design parameters for an efficient system, and show the potential for the generation of high amounts of renewable energy with a novel and effective system suited for the built environment.
Highlights
Awareness and the need for effective renewable energy solutions to be implemented at the location the energy is used, has reached to all parts of society, including governments at the European and National levels, Small and Medium Enterprises (SME) and large industry parties, the scientific community, project developers, building owners, and leasing collectives [1]
The methods used in this overview of studies include an array of tools from analytical modelling, Particle Image Velocimetry (PIV) wind tunnel testing, and CFD simulation studies
The subject of this study describes an overview of research and development of a wind energy producing system that is integrated in the roof structure of residential or commercial buildings in order to harvest more energy and be more cost efficient with the aim to meet the missing requirements that renewable energy systems have today
Summary
Awareness and the need for effective renewable energy solutions to be implemented at the location the energy is used, has reached to all parts of society, including governments at the European and National levels, Small and Medium Enterprises (SME) and large industry parties, the scientific community, project developers, building owners, and leasing collectives [1]. In Europe, residential units consume 29.2% of total electricity use in the EU-15 and 28.8% in the contours of EU-27 [3] To address this current and future need, more effective solutions for harvesting renewable energy sources on the short term are needed. The subject of this study describes an overview of research and development of a wind energy producing system that is integrated in the roof structure of residential or commercial buildings in order to harvest more energy and be more cost efficient with the aim to meet the missing requirements that renewable energy systems have today. The objective of this study is to visualise and numerically confirm the analytical based design with numerical and wind tunnel experimentation to offer a base of data for continuing research
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