| Issue |
MATEC Web Conf.
Volume 120, 2017
International Conference on Advances in Sustainable Construction Materials & Civil Engineering Systems (ASCMCES-17)
|
|
|---|---|---|
| Article Number | 08008 | |
| Number of page(s) | 12 | |
| Section | Sustainable Solutions for Buildings, Constructions and Infrastructures | |
| DOI | https://doi.org/10.1051/matecconf/201712008008 | |
| Published online | 09 August 2017 | |
State-of-the-art in development of diffuser augmented wind turbines (DAWT) for sustainable buildings
EGIS, Heriot-Watt University, Edinburgh, UK
* Corresponding author: aa182@hw.ac.uk
In this paper, a review of the development of Diffuser Augmented Wind Turbines (DAWT’s) into the Built Environment has been presented. DAWT’s offer a lot of potential as electricity providers in areas where it is needed, such as in the built environment. Research into DAWT’s has revealed that flow along a building significantly affects inlet conditions to the rotor due to flow separation at the leading edge. Adjusting the area ratio, length/diameter ratio as well as diffuser design can improve the performance of the free-standing DAWT significantly. Placing the turbine at the centre of a roof is found to allow the best wind conditions to the wind turbine. It was found that a turbine can be placed at a height 1.3 times the height of a small building for the best results. It has been found that vaulted roof’s encourage acceleration of air flow better than other topologies. Furthermore, a recent approach to building-integrated wind turbines involves a flow-enhancing architectural design for buildings to improve favourable inlet conditions to a DAWT.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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