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- Michailidis, D. (author) master thesis 2012
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Verma, A. (author)In an increasingly competitive energy market, the cost of a wind power plant has become more important. A tubular steel tower supporting a wind turbine can amount to up to 20% of the overall turbine costs and its optimization may lead to substantial savings with regard to the costs and the use of materials. One important aspect of the design is...master thesis 2011
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Han, T. (author)The wake effect from upstream wind turbines is a hot topic recently and many researches on wake modeling have been carried out in the past few years. The wake models have evolved from the simple semi-empirical approach to the dynamic meandering model using the Computational Fluid Dynamics (CFD) codes. However, some of current wake models cannot...master thesis 2011
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- van Wijk, B.M. (author) master thesis 2011
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Prinsen, R.C.P. (author)Individual Pitch Control has been a topic of study in the field of wind turbine engineering for more than a decade. It has been shown that a load reducing controller can be designed that makes use blade root moment measurements. Various authors have performed simulations to estimate the extent to which Individual Pitch Control can reduce fatigue...master thesis 2011
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de Oliveira, G. (author)Actiflow is designing a new generation of wind turbine rotors enhanced by the use of passively powered boundary layer suction to improve the aerodynamic and structural performance of thick profiles. As a part of this effort, this work explores the design space of airfoils with(out) boundary layer suction, outlines major design trends and...master thesis 2011
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van Hoof, R. (author)Wind energy is growing fast, in numbers but also in size. A bigger wind turbine will experience higher loads during operation. The increase in size and higher loads will both lead to heavier components. This increase in mass should be minimised to avoid additional costs of material, fabrication and lifting. Besides, it is undesirable to have...master thesis 2011
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Generaal, C. (author)The need for a sustainable water supply is high in many regions worldwide. The coastal city Berbera in Somaliland is one of those places where clean drinking water is not part of everyday life. With wind and saline water being freely available, wind driven reverse osmosis desalination can solve the problem. Existing solutions on wind driven...master thesis 2011
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van Dorst, F.A. (author)The polluting fossil fuels are diminishing and becoming more and more expensive. The trias energetica, Figure 1, states that besides reducing the energy demand and using fossil fuels cleaner, renewable energy technologies are the solution to this problem. One of these renewable energy technologies is small-scale wind energy. The DONQI URBAN...master thesis 2011
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Yemer, F.M. (author)Urban wind turbines fall within the scope of the green energy goal of municipalities in the Netherlands. For feasibility and potential green energy contribution assessment of these turbines, realistic wind speed prediction method is essential. The objective of this thesis is to develop urban wind resource mapping methodology and apply it to...master thesis 2010
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- Castillo Capponi, P.A. (author) master thesis 2010
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- Malvezzi Campeggi, F. (author) master thesis 2010
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Ghedin, F. (author)Wind energy is a promising developing energy source. Modern wind power industry officially started in 1979 in Denmark with a turbine of few kW, and its evolution brought up to now devices of which rated power is higher than 5 MW. The size of wind turbines massively increased, and their design achieved a common standard device: horizontal axis,...master thesis 2010
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Jaimes, O.G. (author)Maintenance of offshore wind turbines is much more expensive than that of onshore machines. Several suggestions have been made in this respect to reduce operation and maintenance costs by employing simpler turbine concepts with higher reliability. Particularly, stall-controlled machines have been suggested as robust and reliable options that...master thesis 2010
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Zamora Guevara, Z.H. (author)Wind turbines have significantly evolved in the last three decades, though they still need significant improvements to become more competitive in the energy market. These improvements depend to a great extent on the development of wind turbine technology. In this respect, the design of an idealized wind turbine may provide a potential...master thesis 2010
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Paul, A.J. (author)Background: As the installation of offshore wind farms continues to increase, the need to optimize on costs involved is a constant factor in the industry. In this regard, research into the two-bladed rotor has garnered some interest in the recent past, to see if the optimum cost can be shifted in the favor of the two-bladed wind turbine....master thesis 2010
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- Bos, J.E. (author) master thesis 2010
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Lindeboom, R.C.J. (author)The unsteady flow conditions experienced by wind turbine blades lead to fatigue loads, that increase the cost of energy. The decrease of the impact of these unsteady loads will most certainly lead to a decrease. In order to alleviate unsteady loads the Smart Rotor Blade approach (J.W. van Wingerden et al [2008]) applies spanwise-distributed...master thesis 2010
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Jarquin Laguna, A. (author)The Delft Offshore Turbine (DOT) is a DUWIND research project that focuses on reducing the cost of offshore wind energy by bringing a radical change in offshore wind turbine technology. The main concept is to centralize electricity generation using pressurized seawater from individual wind turbine pumping systems. The idea behind the DOT is that...master thesis 2010
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Bontekoe, E. (author)The basic model of the principle of crosswind power as described by Miles M. Loyd in 1980 (Loyd, 1980), promises a high energy revenue from airborne wind energy. With a growing awareness of the need of sustainable energy resources and the current technological possibilities, different initiatives are undertaken to harvest the energy of wind at...master thesis 2010