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Wuite, F.G.E. (author), Tenpierik, M.J. (author), Lugten, M.C. (author)Aircraft are a source of noise pollution in areas surrounding airports. Buildings shield or amplify local sound levels, albeit that the level of shielding varies considerably. The sound pressure levels reaching ground receivers in the built environment depend on flight position relative to the receiver, atmospheric and weather effects, and the...conference paper 2023
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Deshmukh, R.S. (author), Shekhar, A. (author), Bauer, P. (author)Electrolysis holds tremendous potential in reducing the carbon footprint and providing energy dense fuels such as methane. Such systems can be integrated with renewable energy systems with the aid of power electronics interfaces. However, this integration is not straight-forward and imposes various converter design challenges. This paper...conference paper 2022
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Vleugel, J (author), Bal, F (author)Rail freight transport is a key economic activity; many businesses and people rely on it. It should be available when needed and efficient in use. There are however factors that may reduce the availability and quality of a rail freight service offering. A distinction can be made between what may be called systemic factors, like congestion,...conference paper 2022
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Morais, Joao (author), Braam, Sjors (author), Litjens, R. (author), Kizhakkekundil, Sandra (author), van den Berg, J.L. (author)One of the most challenging applications targeted by evolving (beyond-)5G technology is virtual reality (VR). Particularly, 'Social VR' applications provide a fully immersive experience and sense of togetherness to users residing at different locations. To support such applications the network must deal with huge traffic demands, while keeping...conference paper 2021
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van Dijkhuizen, M.J. (author), Vrijhoef, R. (author), Bakker, H.L.M. (author)Despite the efforts of governments and firms, the construction industry is trailing other industries in labour productivity. Construction companies are interested in increasing their labour productivity, particularly when demand grows and construction firms cope with labour shortages. Off-site construction has proved to be a favourable policy...conference paper 2021
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Garimella, Raman (author), Moens, Siemen (author), Vleugels, Jochen (author), Huysmans, T. (author), Beyers, koen (author), Verwulgen, Stijn (author)Gaining aerodynamic advantage is crucial in cycling, wherein drag force can account for 90% of resistance to a cyclist. The interaction of wind with the moving human and cycling equipment also contributes to drag. Testing equipment for aerodynamic properties in a wind tunnel is of interest to manufacturers in the sports industry. However, a...conference paper 2020
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van Goeverden, C.D. (author), Milakis, D. (author), Janic, M. (author), Konings, J.W. (author)This paper deals with an analysis of performances of the HL (Hyperloop) transport system considered as an advanced transport alternative to the existing APT (Air Passenger Transport) and HSR (High Speed Rail) systems. The considered performances are operational, financial, social and environmental. The operational performance include capacity...conference paper 2017
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Hoekstra, J.M. (author), Ellerbroek, Joost (author)To advance ATM research as a science, ATM research results should be made more comparable. A possible way to do this is to share tools and data. This paper presents a project that investigates the feasibility of a fully open-source and open-data approach to air traffic simulation. Here, the first of the two main challenges is to achieve a high...conference paper 2016
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Kramer, O. (author), Jobse, M.A. (author), Baars, E.T. (author), van der Helm, A.W.C. (author), Colin, M.G. (author), Kors, L.J. (author), van Vugt, W.H. (author)Softening at drinking water treatment plants is often realised by fluidised bed pellet reactors. Generally, sand is used as seeding material and pellets are produced as a by-product. To improve to sustainability, research has been carried out to replace the seeding material by re-using grained and sieved calcite pellets as seeding material. An...conference paper 2015
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Savija, B. (author), Schlangen, E. (author)Concrete structures are commonly cracked when in service. To overcome issues arising from cracking, self-healing concrete is being developed. Together with the development of the material, techniques to verify and quantify self-healing are being developed. A number of destructive techniques have been used in the past. It would be beneficial to...conference paper 2015
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Van der Helm, A.W.C. (author), Kramer, O.J.I. (author), Hooft, J.F.M. (author), De Moel, P.J. (author)In practice, drinking water technologists use simplified calculation methods for aquatic chemistry calculations. Recently, the database stimela.dat is developed especially for aquatic chemistry for drinking water treatment processes. The database is used in PHREEQC, the standard in geohydrology for calculating chemical equilibria in groundwater....conference paper 2015
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Zijlema, M. (author)This paper presents the application of the open source non-hydrostatic wave-flow model SWASH to propagation of irregular waves in a barred surf zone, and the model results are discussed by comparing against an extensive laboratory data set. This study focus not only on wave transformation in the surf zone, but also on the numerical prediction of...conference paper 2014
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Zlatanova, S. (author), Sithole, G. (author), Nakagawa, M. (author), Zhu, Q. (author)Research in support of indoor mapping and modelling (IMM) has been active for over thirty years. This research has come in the form of As-Built surveys, Data structuring, Visualisation techniques, Navigation models and so forth. Much of this research is founded on advancements in photogrammetry, computer vision and image analysis, computer...conference paper 2013
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Javierre, E. (author), Camanes, V. (author), Garcia Espallargas, S.J. (author), Van der Zwaag, S. (author), Garcia-Aznar, J.M. (author)A long-lasting barrier protection at damaged sites of coated system can be achieved by means of an active response of the primer. This may be attained through the release of reactive liquids from dispersed containers, the increase of the local mobility of the polymeric network, or the expansion of (dispersed elements in) the primer [1]. Such...conference paper 2013
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- Javierre, E. (author), Garcia Espallargas, S.J. (author), Mol, J.M.C. (author), Vermolen, F.J. (author), Vuik, C. (author), Van der Zwaag, S. (author) conference paper 2011
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Falk, A. (author), Turrin, M. (author), von Buelow, P. (author)The work described in this paper aims at developing the interrelation and overall effects of interaction between a folded plate roof structure and a system of branching column supports. In the context of architectural performance it is of interest to discuss the effects of the material on environmental conditions. The current study is...conference paper 2010
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Lemmen, C.H.J. (author), Van Oosterom, P.J.M. (author), Uitermark, H.T. (author), Thompson, R.J. (author), Hespanha, J.P. (author)In February 2008, FIG submitted the Land Administration Domain Model (LADM) to the International Organization for Standardization (ISO). After three meetings with the LADM/ISO19152 Project Team (in Copenhagen, Denmark, May 2008; in Delft, The Netherlands, September 2008; and in Tsukuba, Japan, December 2008) we are now preparing a Committee...conference paper 2009
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Van Nes, A. (author), Zhaohui, S. (author)The aim of this paper is to develop a method for describing urban patter by means of simple mathematical calculations applicable for urban design. Two approaches were used and combined with one another. The first approach was Stephen Marshall’s method for calculating T-junctions and X-junctions seen in relationship with a cul-de-sac and network...conference paper 2009
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Van Nes, A. (author)The aim of this paper is twofold. Firstly, it discusses how to analyse entire regions with the help of space syntax. Secondly, it demonstrates how a main route network through and between urban areas can be calculated in Depthmap. For this purpose one can combine angular choice with metrical distance and add various radiuses on top of each other...conference paper 2009
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Frantzeskaki, N. (author), De Haan, A. (author), Kolfschoten, G.L. (author), Walker, W. (author)Modelling is of substantial use in policy analysis. Since policy analysis tries to facilitate decision making of complex multi-actor problems under uncertain circumstances, it needs to rationalize and simplify reality. This is the major challenge of doing policy analysis and especially modelling. The model as an abstract representation of the...conference paper 2008
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