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Volker, A.W.F. (author), VRolijk, J.W. (author), van der Burg, D.W. (author), van der Heiden, M.S. (author), Martina, Q.E.V.N. (author)Composite materials are becoming more popular in the aerospace industry, because of their physical properties. In quality assurance and in-service inspection, there is a need for fast, non-contact, high-quality, non-destructive inspection techniques. The most common approach is to perform the inspection using water-coupled high-frequency...article 2023
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Atuonwu, J.C. (author), van Straten, G. (author), van Deventer, H.C. (author), van Boxtel, A.J.B. (author)This work presents a mixed integer nonlinear programming (MINLP) formulation for the design of energy-efficient multistage adsorption dryers within constraints on product temperature and moisture content. Apart from optimizing temperatures and flows, the aim is to select the most efficient adsorbent per stage and product to air flow...article 2012
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TNO Kwaliteit van Leven (author), Atuonwu, J.C. (author), van Straten, G. (author), van Deventer, H.C. (author), van Boxtel, A.J.B. (author)This work studies the controllability of heat-integrated zeolite adsorption dryers. Mean product moisture content, temperature and vitamin C concentration (representative of product quality) are considered as controlled variables. Set-point tracking and disturbance rejection controllability metrics are considered in addition to energy...article 2012
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van der Heijden, A.E.D.M. (author), Creyghton, Y.L.M. (author), Marino, E. (author), Bouma, R.H.B. (author), Scholtes, G.J.H.G. (author), Duvalois, W. (author), Roelands, C.P.M. (author), TNO Industrie en Techniek TNO Defensie en Veiligheid (author)The product quality of energetic materials is predominantly determined by the crystallization process applied to produce these materials. It has been demonstrated in the past that the higher the product quality of the solid energetic ingredients, the less sensitive a plastic bonded explosive containing these energetic materials becomes. The...article 2008
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Benner, M. (author), Geerts, R.F.R. (author), Linnemann, A.R. (author), Jongen, W.M.F. (author), Folstar, P. (author), Cnossen, H.J. (author)New food products often fail, because they are not designed according to consumers' wishes or not produced efficiently. Frequently, the information required for an effective and efficient product development process is not relayed to the appropriate actor in the chain. This article presents a conceptual model to gather and disseminate...article 2003