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van der Spek, J.E. (author), Bakker, M. (author)
The influence of the length of the calibration period and observation frequency on the predictive uncertainty in time series modeling of groundwater dynamics is investigated. Studied series are from deltaic regions with predominantly shallow groundwater tables in a temperate maritime climate where heads vary due to precipitation and...
journal article 2017
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Bakker, M. (author), Miller, Anthony D. (author), Morgan, Leanne K. (author), Werner, Adrian D. (author)
A computational approach is presented for steady Dupuit interface flow where the aquifer extends below the sea. A detailed approach is outlined to determine the head at the coastline so that the solution below the leaky seabed may be combined with any type of steady Dupuit interface flow in the aquifer below the land. The method allows for...
journal article 2017
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Prendeville, S.M. (author), O'Connor, Frank (author), Bocken, N.M.P. (author), Bakker, C.A. (author)
The aim of this article is to explore how ecodesign dilemmas contribute to a firm's ecodesign evolution. The article achieves this through empirical research into a process of ecodesign decision-making in a single firm. The study spans a timeframe of nine years. The article describes how recognising and dealing with ecodesign dilemmas fuels...
journal article 2017
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Blom, H.A.P. (author), Bakker, GJ (author)
Effective collaboration between planning controller, tactical controller and pilots in handling various uncertainties and hazards is the result of decades of evolutionary development. The forthcoming paradigm shift to Trajectory Based Operations (TBO) requires a similarly effective collaboration between the TBO layer and a tactical layer....
conference paper 2017
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Kunnen, S.J. (author), Leonhard, W.N. (author), Semeins, C. (author), Hawinkels, L.J.A.C. (author), Poelma, C. (author), ten Dijke, P (author), Bakker, A (author), Hierck, B.P. (author), Peters, D.J.M. (author)
Renal tubular epithelial cells are exposed to mechanical forces due to fluid flow shear stress within the lumen of the nephron. These cells respond by activation of mechano-sensors located at the plasma membrane or the primary cilium, having crucial roles in maintenance of cellular homeostasis and signaling. In this paper, we applied fluid shear...
journal article 2017
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Sumter, Deborah (author), Bakker, C.A. (author), Balkenende, A.R. (author)
This paper examines the role of product designers in the transition towards the circular economy. Both scientific and grey literature show remarkable optimism when it comes to role strategic and coordinating role designers could play in this transition process. However, there has been little examination of the actual role and influence designers...
conference paper 2017
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Klamer, Pim (author), Bakker, Cok (author), Gruis, V.H. (author)
Valuation judgement bias has been a research topic for several years due to its proclaimed effect on valuation accuracy. However, little is known on the emphasis of literature on judgement bias, with regard to, for instance, research methodologies, research context and robustness of research evidence. A synthesis of available research will...
journal article 2017
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Sauerwein, M. (author), Bakker, C.A. (author), Balkenende, A.R. (author)
Circular product design is a relatively new approach to design suitable strategies to realize circular products. Additive manufacturing (AM) is seen as a promising enabling production process. It has digital and additive characteristics, which makes AM different from conventional production techniques. However, it is yet unclear how this...
conference paper 2017
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van Dam, S.S. (author), Bakker, C.A. (author), de Pauw, I.C. (author), van der Grinten, B. (author)
The Circular Pathfinder tool, which provides guidance to companies looking for appropriate circular design strategies, was developed based on OEM (original equipment manufacturer) case studies. Ease of use was one of the main requirements during development of the tool, resulting in a software-based guide that asks a maximum of ten product...
conference paper 2017
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Bakker, C.A. (author), Schuit, C.S.C. (author)
The aim of this study is to provide recommendations on the opportunities available to consumers, private sector and especially governments, of developed and developing economies, to address product lifetime extension. Seven products representing different lifetime expectancies by consumers for their optimal replacement moments and actual...
report 2017
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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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Bergsma, J.G. (author), Bakker, K.J. (author), 't Hart, CMP (author)
The demand for tunnels crossing waterways in urban areas is expanding into colder regions, with immersed tunnels an increasingly competitive alternative for waterway crossings. Recent examples of new immersed tunnels affected by cold weather include the Bjørvika, Söderstrum, and Marieholm tunnels in Norway and Sweden. This article aims to...
journal article 2017
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van der Voordt, Theo (author), Bakker, I.C. (author), de Boon, J (author)
Purpose: Studies on color preferences for different types of spaces are scarce and show ambiguous results. This paper aims to present data about preferred colors for two work environments: the office and a meeting room, and two residential spaces: the living room and the bedroom. The authors also explore whether people with different personal...
journal article 2017
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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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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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Bakker, C.A. (author), van Dam, S.S. (author), de Pauw, I.C. (author), van der Grinten, B. (author), Asif, Farazee (author)
By combining the lessons learned from the four ResCoM industrial cases, a generic methodology was developed for other companies that want to engage in the development of multiple-lifecycle products. This report describes a stepwise approach for developing such products. The approach includes a suite of design tools as well as a practical case...
report 2017
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Bakker, M. (author)
master thesis 2016
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Bakker, W. (author)
master thesis 2016
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Fienen, Michael N. (author), Bakker, M. (author)
In the past decade, difficulties encountered in reproducing the results of a cancer study at Duke University resulted in a scandal and an investigation which concluded that tools used for data management, analysis, and modeling were inappropriate for the documentation of the study, let alone the reproduction of the results. New protocols were...
journal article 2016
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Merkus, Sander (author), Willems, Thijs (author), Schipper, Danny (author), van Marrewijk, Alfons (author), Koppenjan, Joop (author), Veenswijk, Marcel (author), Bakker, H.L.M. (author)
This paper studies the ways in which members of inter-organizational teams collectively make sense of unexpected events and how they decide upon engaging in action. Frequently, ambiguity dominates such change processes aimed to create common understanding. Using the notion of the duality of intrinsic and constructed ambiguity, a detailed...
journal article 2016
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