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Varon, Carolina (author), Lázaro, Jesús (author), Orini, Michele (author), Deviaene, Margot (author), Kontaxis, Spyridon (author), Testelmans, Dries (author), Buyse, Bertien (author), Borzée, Pascal (author), Sörnmo, Leif (author)
Cardiorespiratory monitoring is crucial for the diagnosis and management of multiple conditions such as stress and sleep disorders. Therefore, the development of ambulatory systems providing continuous, comfortable, and inexpensive means for monitoring represents an important research topic. Several techniques have been proposed in the...
journal article 2020
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van der Tuin, M.S. (author), Pel, A.J. (author)
Transport infrastructure owners are moving from reactive toward proactive infrastructure management. This involves computation of costs associated with failure or maintenance, including expected transport delays. These delays are often computed by multiplying additional travel time by the number of travellers. However, this does not reflect...
journal article 2020
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Hegde, M. (author), Yang, Lin (author), Vita, Francesco (author), Fox, Ryan J. (author), van de Watering, R. (author), Norder, B. (author), Lafont, U.L. (author), Francescangeli, Oriano (author), Madsen, Louis A. (author), Picken, S.J. (author), Samulski, Edward T. (author), Dingemans, T.J. (author)
Combining polymers with small amounts of stiff carbon-based nanofillers such as graphene or graphene oxide is expected to yield low-density nanocomposites with exceptional mechanical properties. However, such nanocomposites have remained elusive because of incompatibilities between fillers and polymers that are further compounded by...
journal article 2020
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de Gouw, Joost A. (author), Veefkind, j. Pepijn (author), Roosenbrand, Esther (author), Dix, Barbara (author), Lin, John C. (author), Landgraf, Jochen (author), Levelt, Pieternel Felicitas (author)
Production of oil and natural gas in North America is at an all-time high due to the development and use of horizontal drilling and hydraulic fracturing. Methane emissions associated with this industrial activity are a concern because of the contribution to climate radiative forcing. We present new measurements from the space-based...
journal article 2020
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Nokhbatolfoghahai, A. (author), Navazi, H. M. (author), Groves, R.M. (author)
In this paper, the hybrid Delay-And-Sum (DAS) with Sparse Reconstruction (SR) method was further developed for damage location in composite plates. In composite materials, anisotropy leads to some challenges in using conventional damage location methods, which are developed for isotropic materials. In the hybrid DAS-SR method, the DAS and SR...
journal article 2020
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Jafari Eshlaghi, M. (author), D'haese, A. (author), Zlopaša, J. (author), Cornelissen, E. R. (author), Vrouwenvelder, J.S. (author), Verbeken, K. (author), Verliefde, A. (author), van Loosdrecht, Mark C.M. (author), Picioreanu, C. (author)
Chemical cleaning is vital for the optimal operation of membrane systems. Membrane chemical cleaning protocols are often developed in the laboratory flow cells (e.g., Membrane Fouling Simulator (MFS)) using synthetic feed water (nutrient excess) and short experimental time of typically days. However, full-scale Reverse Osmosis (RO) membranes...
journal article 2020
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Yürüşen, Nurseda Y. (author), Rowley, Paul N. (author), Watson, S.J. (author), Melero, Julio J. (author)
While many operation and maintenance (O&M) decision support systems (DSS) have been already proposed, a serious research need still exists for wind farm O&M scheduling. O&M planning is a challenging task, as maintenance teams must follow specific procedures when performing their service, which requires working at height in adverse...
journal article 2020
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Eleftheroglou, N. (author), Zarouchas, D. (author), Benedictus, R. (author)
Data driven probabilistic methodologies have found increasing use the last decade and provide a platform for the remaining useful life (RUL) prediction of composite structures utilizing health-monitoring data. Of particular interest is the RUL prediction of composite structures that either underperform or outperform due to unexpected...
journal article 2020
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van den Boomen, M. (author)
Ageing infrastructures and shortage of financing induce the need for optimising public infrastructure replacements. From an economic perspective, classical net present value comparison is traditionally the method of choice to decide on investments and replacements. The current research observes that typical infrastructure related features make...
doctoral thesis 2020
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Raimondo, A. (author), Bisagni, C. (author)
The fatigue life prediction of post-buckled composite structures represents still an unresolved issue due to the complexity of the phenomenon and the high costs of experimental testing. In this paper, a novel numerical approach, called “Min-Max Load Approach”, is used to analyze the behavior of a composite single-stringer specimen with an...
journal article 2020
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Wiersma, R.T. (author), Eisemann, E. (author), Hildebrandt, K.A. (author)
This paper is concerned with a fundamental problem in geometric deep learning that arises in the construction of convolutional neural networks on surfaces. Due to curvature, the transport of filter kernels on surfaces results in a rotational ambiguity, which prevents a uniform alignment of these kernels on the surface. We propose a network...
journal article 2020
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Verma, Amrit Shankar (author), Jiang, Zhiyu (author), Gao, Zhen (author), Vedvik, Nils Petter (author)
Single-blade installation is a conventional method for installing blades on monopile-type offshore wind turbines. A jack-up crane vessel is commonly used, and individual blades are lifted to the tower top height and mated with the hub. The relative motions between the hub and blade root during the mating phase, partly due to wind-induced...
journal article 2020
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Quan, D. (author), Deegan, Brian (author), Alderliesten, R.C. (author), Dransfeld, C.A. (author), Murphy, Neal (author), Ivanković, Alojz (author), Benedictus, R. (author)
The compatibility between the majority of thermoplastic veils (TPVs) and epoxies is typically poor, owing to the inherently low surface energies of thermoplastics. This tends to largely affect the toughening performance of TPVs as interlayer materials of carbon fibre/epoxy composites. The traditional methods for surface activation of...
journal article 2020
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Chandramouli, P. (author), Memin, Etienne (author), Heitz, Dominique (author)
We present a variational assimilation technique (4D-Var) to reconstruct time resolved incompressible turbulent flows from measurements on two orthogonal 2D planes. The proposed technique incorporates an error term associated to the flow dynamics. It is therefore a compromise between a strong constraint assimilation procedure (for which the...
journal article 2020
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Celik, O. (author), Peeters, D.M.J. (author), Dransfeld, C.A. (author), Teuwen, Julie J.E. (author)
Intimate contact development under LAFP-specific thermal and mechanical boundary conditions/interactions and the effect of process parameters are investigated. One-layer, unidirectional strips of CF/PEKK material were placed with different process parameters on a flat tool surface to create different intimate contact conditions. The concept...
journal article 2020
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Guo, Y. (author)
Electron tomography is a powerful tool in materials science to characterize nanostructures in three dimensions (3D). In scanning transmission electron microscopy (STEM), the sample under study is exposed to a focused electron beam and tilted to obtain twodimensional (2D) projections at different angles; many imaging modes are available such as...
doctoral thesis 2020
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Weaver, T. (author)
The Thing Itself: AA Files and the Fates of Architectural Theory explores architecture’s relationship with its editing. This is ostensibly discussed through the lens of a particular architectural journal, AA Files (part of a long tradition of journals produced by the Architectural Association in London since its inception in the mid-nineteenth...
doctoral thesis 2020
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Pigmans, K.A.M. (author)
This research is part of the Values4Water project, which includes TU Delft, Waterschap de Dommel, Deltares, Royal HaskoningDHV and Synmind as consortium partners. Policymaking can involve as many perspectives as there are stakeholders. In case of complex societal policies, many interpretations of the problem are possible and often there is no...
doctoral thesis 2020
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Böke, J. (author)
Under the guiding concept of a thinking skin, the research project examines the transferability of cyber-physical systems to the application field of façades. It thereby opens up potential increases in the performance of automated and adaptive façade systems and provides a conceptual framework for further research and development of intelligent...
doctoral thesis 2020
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Quan, D. (author), Deegan, Brian (author), Binsfeld, Lucas (author), Li, Xiping (author), Atkinson, Jason (author), Ivanković, Alojz (author), Murphy, Neal (author)
Poly-etherether-ketone (PEEK) fibres (average diameter 30μm) were surface-activated by a UV-irradiation technique, and then used as interlayers of carbon fibre/epoxy composites. The results of a flatwise tensile test demonstrated a significant improvement in the PEEK fibre/epoxy adhesion upon the UV-treatment, i.e. the ultimate strength...
journal article 2020
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