Searched for: collection%3Air
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des Tombe, B (author), Bakker, M. (author), Smits, F.J.C. (author), Schaars, Frans (author), van der Made, Kees Jan (author)
An approach is presented to determine groundwater flow in unconsolidated aquifers with a heat pulse response test using a heating cable and a fiber-optic cable. The cables are installed together using direct push so that the cables are in direct contact with the aquifer. The temperature response is measured for multiple days along the fiber...
journal article 2019
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Klamer, Pim (author), Bakker, Cok (author), Gruis, V.H. (author)
The aim of this paper is to examine valuer judgement behaviour, by exploring the manifestation of task complexity in Dutch commercial valuation practice. For this purpose, we adopted a grounded theory approach and undertook 18 in-depth interviews with senior valuation professionals across the Netherlands. Our findings indicate a strong...
journal article 2018
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des Tombe, B (author), Bakker, M. (author), Schaars, Frans (author), van der Made, Kees Jan (author)
An approach is presented to determine the seasonal variations in travel time in a bank filtration system using a passive heat tracer test. The temperature in the aquifer varies seasonally because of temperature variations of the infiltrating surface water and at the soil surface. Temperature was measured with distributed temperature sensing...
journal article 2018
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Borghi, G. (author), Tabacchini, V. (author), Bakker, P.J. (author), Schaart, D.R. (author)
Recently, a monolithic scintillator detector for time-of-flight (TOF)/depth-of-interaction (DOI) positron emission tomography (PET) was developed. It has a detector spatial resolution of ∼1.7 mm full-width-at-half-maximum (FWHM), a coincidence resolving time (CRT) of ∼215 ps FWHM, and ∼4.7 mm FWHM DOI resolution. Here, we demonstrate, for the...
journal article 2018
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Sauerwein, M. (author), Bakker, C.A. (author), Balkenende, A.R. (author)
This paper explores the use of annotated portfolios as a method to support the qualitative analysis of interview data about design projects. Annotated portfolios have so far been used to support artefacts with text in order to discuss them in the context of ‘research through design’ In this paper, we interpret the five-step method of McCracken...
conference paper 2018
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Sumter, Deborah (author), Bakker, C.A. (author), Balkenende, A.R. (author)
In the transition to a circular economy companies are exploring new business models, implying a shift from selling products to offering products in circular business models, such as leasing.
Product design is thought to play a crucial role in enabling this. Having a robust overview of relevant design roles and competencies is of foundational...
journal article 2018
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Kane, Grace (author), Bakker, C.A. (author), Balkenende, A.R. (author)
The framework of design for the circular economy is increasingly used in industry to improve product sustainability and decrease costs, and in academia various models have been developed to guide circular design. However, in the medical sector, although it generates a large amount of waste, application of circular design principles is...
journal article 2018
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Bakker, H.L.M. (author), Wang, Fan (author), Bosch-Rekveldt, M.G.C. (author), Eykelenboom, MG (author)
Projects in the process industry are getting more complex from a technical as well as an organizational point of view. These projects can be considered as series of multi-phase and multi-discipline design and engineering activities involving contributions from many parties on many locations. In order to successfully perform such projects...
journal article 2018
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Poppelaars, F.A. (author), Bakker, C.A. (author), van Engelen, J.M.L. (author)
Value creation in a circular economy is based on products being returned after use. In the case of smartphones, most are never returned and tend to be kept in drawers. Smartphone access services (e.g., leasing or upgrade) have been experimented with in the Netherlands but have been largely unsuccessful. This study explores the reasons why...
journal article 2018
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Bosch-Rekveldt, M.G.C. (author), Molaei, M. (author), Bakker, H.L.M. (author)

conference paper 2018
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Blom, H.A.P. (author), Ma, H. (author), Bakker, G. J.(Bert) (author)
This paper studies estimation of reach probability for a generalized stochastic hybrid system (GSHS). For diffusion processes a well-developed approach in reach probability estimation is to introduce a suitable factorization of the reach probability and then to estimate these factors through simulation of an Interacting Particle System (IPS)....
journal article 2018
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Post, Vincent E.A. (author), Essink, Gualbert Oude (author), Szymkiewicz, Adam (author), Bakker, M. (author), Houben, Georg (author), Custodio, Emilio (author), Voss, Clifford (author)
The Salt Water Intrusion Meetings, or SWIMs, are a series of meetings that focus on seawater intrusion in coastal aquifers and other salinisation processes. 2018 marks the 50th year of the SWIM and the 25th biennial meeting. The SWIM proceedings record half a century of research progress on site characterisation, geophysical and geochemical...
journal article 2018
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Bakker, Richard (author), Visingardi, Antonio (author), van der Wall, Berend G. (author), Voutsinas, Spyros (author), Basset, Pierre-Marie (author), Campagnolo, Filippo (author), Pavel, M.D. (author), Barakos, George (author), White, Mark (author)
The effects of a wind turbine wake on General Aviation and the behaviour of helicopters in the tip vortex of large fixed-wing aircraft has been topic of research in the past years, but less is known about the interactions of helicopters operating in a wind turbine wake. A dedicated GARTEUR Action Group, HC-AG23, consisting of European...
conference paper 2018
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van Altena, V.P. (author), Bakker, Henk (author), Stoter, J.E. (author)
This article explores, via three case studies, how spatio‐temporal analysis can advance New Testament text interpretation. Acts 2, verse 9 to 11 is the text of study. Case study 1 applies network analysis to data representing the Roman road network constrained by parameters valid for ancient times. This analysis provided new information on the...
journal article 2018
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Bosch-Rekveldt, M.G.C. (author), Bakker, H.L.M. (author), Hertogh, M.J.C.M. (author)
Increasing complexity of projects is mentioned as one of the reasons for project failure—still. This paper presents a comparative research to investigate how project complexity was perceived by project practitioners in different industry sectors. Five sectors were included: process industry, construction industry, ICT, high-tech product...
journal article 2018
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Weeda, Tomas (author), de Gijt, J.G. (author), Bakker, K.J. (author), Braam, C.R. (author), Broos, Eric (author), Jonkman, Sebastiaan N. (author)
As a result of the persistent increase of container vessel dimensions, future problems regarding navigation draught in the presence of tunnels are becoming more likely to occur. Hence, possible solutions to this problem have been investigated for the Beneluxtunnel. Several design options have been elaborated to determine the technical and...
conference paper 2017
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Mourillon, Nadevah K.N. (author), de Gijt, J.G. (author), Bakker, K.J. (author), Brassinga, Henk (author), Broos, E.J. (author)
The stability of any structure is an important aspect in civil engineering. This aspect is the subject of the researched quay wall at the Amazonehaven, port of Rotterdam. The quay wall with a relieving platform structure had in various section, over the entire 900m length of the quay, large deformations at the toe of the combined wall. The...
conference paper 2017
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Koops, L.S.W. (author), Bosch-Rekveldt, M.G.C. (author), Bakker, H.L.M. (author), Hertogh, M.J.C.M. (author)
Though different forms of public–private partnerships exist, in the organizational structure of most forms a public and a private project organization can be derived, resulting in two collaborating project organizations. The literature on project management however mostly considers one project organization. The literature on public–private...
journal article 2017
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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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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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