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de Tavernier, D.A.M. (author), Ferreira, Carlos (author)
In this paper, the actuator-in-actuator cylinder (AC-squared) model is presented. This model is an extension of the original actuator cylinder model of Madsen and is capable of modelling the effect of a two concentric actuation surfaces in 2D. The induced velocity at every point in the 2D field is affected by the force field acting on the two...
journal article 2019
document
Boelhouwer, P.J. (author), Schiffer, Karel (author)
Het beleid en het instrumentarium ter bevordering van het eigen woningbezit in Nederland kennen een rijke historie. Dankzij een breed gedragen politiek en maatschappelijk draagvlak hiervoor, heeft de overheid decennia lang, met op hoofdlijnen hetzelfde beleidsinstrumentarium (hypotheekrenteaftrek; hypotheek-garantie; subsidies), het eigen...
report 2019
document
Flyvbjerg, Bent (author), Ansar, Atif (author), Budzier, Alexander (author), Buhl, Søren (author), Cantarelli, Chantal (author), Garbuio, Massimo (author), Glenting, Carsten (author), Holm, Mette Skamris (author), Lovallo, Dan (author), Molin, E.J.E. (author), Rønnest, Arne (author), Stewart, Allison (author), van Wee, G.P. (author)
The authors note with alarm that statistical noise caused by statistical incompetence is beginning to creep into research on cost overrun in public investment projects, contaminating research with work that does not meet basic standards of validity and reliability. The paper gives examples of such work and proposes three heuristics to root out...
journal article 2019
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Sun, J. (author), Blom, H.A.P. (author), Ellerbroek, J. (author), Hoekstra, J.M. (author)
This article investigates the estimation of aircraft mass and thrust settings of departing aircraft using a recursive Bayesian method called particle filtering. The method is based on a nonlinear state-space system derived from aircraft point-mass performance models. Using only aircraft surveillance data, flight states such as position,...
journal article 2019
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Okur, Ö. (author), Voulis, N. (author), Heijnen, P.W. (author), Lukszo, Z. (author)
The high level of uncertainty of renewable energy sources generation creates differences between electricity supply and demand, endangering the reliable operation of the power system. Demand response has gained significant attention as a means to cope with uncertainty of renewable energy sources. Demand response of residential and service...
journal article 2019
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Xin, Y. (author), Pandraud, G. (author), Zhang, Y. (author), French, P.J. (author)
In this paper, we propose a novel vertical SU-8 waveguide for evanescent analyte sensing. The waveguide is designed to possess a vertical and narrow structure to generate evanescent waves on both sides of the waveguide's surface, aimed at increasing the sensitivity by enlarging the sensing areas. We performed simulations to monitor the...
journal article 2019
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Caspers, M.P.T. (author)
We study the class M<sub>p</sub> of Schur multipliers on the Schatten-von Neumann class S<sub>p</sub> with 1 ≤ p≤ ∞ as well as the class of completely bounded Schur multipliers Mpcb. We first show that for 2 ≤ p&lt; q≤ ∞ there exists m∈Mpcb with m∉ M<sub>q</sub>, so in particular the following inclusions that follow from interpolation are...
journal article 2019
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Mayer, Jonathan (author), Rubio Carpio, A. (author), Ragni, D. (author)
The present work analyses broadband noise scattering from permeable trailing edges with identical micro-structure but under a change of temperature. Experiments are performed in an anechoic wind tunnel using a NACA0018 airfoil at chord-based Reynolds numbers between 1.88 × 10<sup>5</sup> and 3.14 × 10<sup>5</sup> and no incidence. A...
journal article 2019
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Gao, Nannan (author), Li, Fen (author), Zeng, Hui (author), van Bilsen, Daniël (author), De Jong, Martin (author)
Aging, shrinking cities, urban agglomerations and other new key terms continue to emerge when describing the large-scale population changes in various cities in mainland China. It is important to simulate the distribution of residential populations at a coarse scale to manage cities as a whole, and at a fine scale for policy making in...
journal article 2019
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Clarke, Nicholas (author), Kuipers, M.C. (author), Stroux, S.A. (author)
Continuity and change have become crucial themes for the built environment and heritage buildings; also in the education and practice of architects. Embedding built heritage values into studio-based design education is a daunting new challenge that demands new didactic perspectives and tools. To address the dilemmas that come with design...
journal article 2019
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Haavik, Torgeir K. (author), Antonsen, Stian (author), Rosness, Ragnar (author), Hale, A.R. (author)
This special issue invites to a debate to elaborate on differences and similarities between the perspectives of High Reliability Organisation (HRO) and Resilience Engineering (RE). Such a debate may be conducted along both essentialistic and pragmatic lines, and we suggest that the latter approach is potentially more interesting and fruitful...
journal article 2019
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Chen, Y. (author), Daamen, T.A. (author), Heurkens, E.W.T.M. (author), Verheul, W.J. (author)
To understand and deal with real urban development problems, urban planners, designers, and managers need to combine and synthesize a variety of academic and professional knowledge. As our urban challenges grow more complex, learning how to do this effectively becomes ever more important. For educators, this means teaching students how to...
journal article 2019
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Qu, L. (author), Chen, Y. (author), Rooij, R.M. (author), de Jong, P. (author)
This article will contribute to filling the knowledge gap about learning from group methods in (urban and regional) design education, with action research results based on real teaching activities in TU Delft, Faculty of Architecture and the Built Environment (A&amp;BE), conducted and coordinated by the authors. Constructive alignment of the...
journal article 2019
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Curvelo Magdaniel, F.T.J. (author), den Heijer, A.C. (author), Arkesteijn, M.H. (author)
Purpose: This paper aims to underpin the importance of the availability (or absence) of campus management information (CMI) in supporting universities’ goals. Design/methodology/approach: Four perspectives of campus management were used to develop a structured survey enquiring campus managers about universities’ goals, finances, users and...
journal article 2019
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van Zoest, S.P. (author), Volker, L. (author), Hermans, M.H. (author)
Purpose: The purpose of this paper is to address the barriers that Dutch housing associations encounter in implementing new procurement strategies. Design/methodology/approach: Several aspects of purchasing, portfolio management, project delivery and supply management are discussed in relation to the changing role of housing associations as...
journal article 2019
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Jensen, Per Anker (author), van der Voordt, Theo (author)
Purpose: This paper aims to explore the impact of buildings on the creation of healthy workplaces (HWs) and end users’ physical and mental health and well-being. The paper presents available research on the impact of workplace layout, interior design, indoor climate and “green” offices. It ends with reflections on the main lessons learned,...
review 2019
document
Purwanto, A. (author), Zuiderwijk-van Eijk, A.M.G. (author), Janssen, M.F.W.H.A. (author)
Engaging citizens in open data hackathons provides opportunities for innovation and the generation of new services and products. This paper aims to explore the motivations of citizens who engage in open agriculture data hackathons. We conducted a case study and analyzed data collected from 161 participants of 11 farming hackathons held between...
book chapter 2019
document
Cohen, Keira A (author), Manson McGuire, Abigail L. (author), Desjardins, Christopher A. (author), Abeel, T.E.P.M.F. (author), Earl, Ashlee M. (author)
Tuberculosis (TB) is a global infectious threat that is intensified by an increasing incidence of highly drug-resistant disease. Whole-genome sequencing (WGS) studies of Mycobacterium tuberculosis, the causative agent of TB, have greatly increased our understanding of this pathogen. Since the first M. tuberculosis genome was published in 1998...
review 2019
document
Smits, M.W.M. (author)
Purpose: The purpose of this paper is to present an extensive household survey amongst four rural communities on Mt. Elgon Kenya. The area is the chosen area for the author’s overall PhD research. In order to offer the inhabitants of Mt. Elgon suitable housing support, the purpose of this paper is to assess the gap between existing housing...
journal article 2019
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Valério, D.P.M.O. (author), Saikumar, N. (author), Ahmadi Dastjerdi, A. (author), Karbasizadeh Esfahani, N. (author), Hossein Nia Kani, S.H. (author)
A controller with the frequency response of a complex order derivative may have a gain that decreases with frequency, while the phase increases. This behaviour may be desirable to ensure simultaneous rejection of high-frequency noise and robustness to variations of the open-loop gain. Implementations of such complex order controllers found in...
journal article 2019
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