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Bakker, M.C.M. (author)
Automated optic inspection of concrete aggregates for pollutants (e.g. wood, plastics, gypsum and brick) is required to establish the suitability for reuse in new concrete products. Inspection is more efficient when directly sampling the materials on the conveyor belt instead of feeding them in a sampled stream to the sensor system. However,...
conference paper 2017
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Bakker, M.C.M. (author), Xia, H. (author)
Optical inspection of a thick layer of granules for foreign particles does not directly reveal their true number and the more so if the layer is not homogenous. This raises questions such as “how do I know if the layer is homogenous?” and “what is the relation between the observable particles and the true number?” In this work a theory is...
conference paper 2016
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Sauerwein, M. (author), Bakker, C.A. (author), Balkenende, A.R. (author)
This paper explores the use of annotated portfolios as a method to support the qualitative analysis of interview data about design projects. Annotated portfolios have so far been used to support artefacts with text in order to discuss them in the context of ‘research through design’ In this paper, we interpret the five-step method of McCracken...
conference paper 2018
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Peck, David (author), Bakker, C.A. (author), Kandachar, P.V. (author), de Rijk, T. (author)
Materials are important in economies, business, innovation activity and products, and they have quickly become essential to maintain and improve our quality of life. The world faces problems concerning material supply, but these concerns are not translated into product design activity, even though history shows that product design policy can...
conference paper 2017
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Blom, H.A.P. (author), Bakker, GJ (author)
conference paper 2016
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Bakker, Richard (author), Visingardi, Antonio (author), van der Wall, Berend G. (author), Voutsinas, Spyros (author), Basset, Pierre-Marie (author), Campagnolo, Filippo (author), Pavel, M.D. (author), Barakos, George (author), White, Mark (author)
The effects of a wind turbine wake on General Aviation and the behaviour of helicopters in the tip vortex of large fixed-wing aircraft has been topic of research in the past years, but less is known about the interactions of helicopters operating in a wind turbine wake. A dedicated GARTEUR Action Group, HC-AG23, consisting of European...
conference paper 2018
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Ezzahiri, Sidi Mohamed (author), Nasif, Badia S. (author), Krieg, Jan (author), Bakker, Anco (author), Infante Ferreira, C.A. (author)
The search for renewable energy sources is a wide area in which significant progress is still expected. This paper focuses on an energy system that uses Fresnel lenses to concentrate sunlight on a tubing system to heat up the working fluid. Fresnel lenses are lighter, thinner and cheaper to build than ordinary lenses. The model is designed to be...
conference paper 2017
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