Abstract
Nowadays, the worldwide growing demand for energy from renewable sources is observed. This fact is related to a number of factors, especially environmental ones. In the renewable energy sector, the most dynamic development which can be seen is wind energy. This is due to the construction of huge wind turbines, whose power exceeds even a few megawatts. The main problem that should be solved is finding a proper location for such turbines. Generally, wind turbines are located off-shore and on-shore. The most favourable are off-shore due to better wind condition, which relates to power generation. Notwithstanding, it is possible to install smaller turbines in urban areas: so-called wind turbines in built-up areas or integrate wind turbines with buildings (BIWT). This creates an opportunity to develop an integrated system of small energy sources located directly in cities. However, it is necessary to be aware of the many problems connected with the above mentioned installations. The article presents an overview and data related to operation of wind turbines integrated with the Center of Energy AGH building.
Highlights
Buildings consume most of the energy produced in the world
The paper analyses the operation of the Building integrated wind turbines (BIWT) installation located on the façade of the Center of Energy AGH building
It shows that wind conditions are rather poor
Summary
An architectural trend replacing energy-consuming buildings with zero energy ones has appeared An example of such a solution are buildings with integrated wind turbines. CFD analyses carried out in [1] allowed the determination that the appropriate roof structure on which the wind turbine will be located may allow increasing power density by up to 86%. In order to strengthen the wind flows near the buildings, mounting wind turbines in a special way is required. For turbines placed near the edge of the roof, special attention on the variable direction of air flow is indispensable [2]. An economical analysis made in [9] shows the potential of mounting small wind turbines under different urban location settings. Inclusion of an energy storage system increases the NPV of small wind turbines investments in most cases
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