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Romanelli, G (author), Mignone, Andrea (author), Cervone, A. (author)
Pulsed fusion propulsion might finally revolutionise manned space exploration by providing an affordable and relatively fast access to interplanetary destinations. However, such systems are still in an early development phase and one of the key areas requiring further investigations is the operation of the magnetic nozzle, the device meant to...
journal article 2017
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Xie, Dongfeng (author), Pan, Cunhong (author), Wu, Xiuguang (author), Gao, Shu (author), Wang, Zhengbing (author)
We investigate the morphological responses of the Hangzhou Bay, China, located immediately south of the Changjiang Estuary, to the drastic reduction of the sediment load from the Changjiang River and the large-scale coastal embankment schemes over past decades. The spatial patterns of deposition and erosion, sediment volume changes, and the...
journal article 2017
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Monecke, Katrin (author), Meilianda, Ella (author), Walstra, D.J.R. (author), Hill, Emma M. (author), McAdoo, Brian G. (author), Qiu, Qiang (author), Storms, J.E.A. (author), Masputri, Aisha Sri (author), Mayasari, Cut Deasy (author), Nasir, Muhammad (author), Riandi, Indra (author), Setiawan, Agus (author), Templeton, Caroline K. (author)
We model postseismic changes to the shoreline of West Aceh, Indonesia, a region largely affected by the December 2004 Sumatra-Andaman earthquake and ensuing Indian Ocean tsunami, using a cross-shore morphodynamic model. Subsidence of 0.5–1.0 m and tsunami scouring during the 2004 event caused the complete destruction of the beach and the...
journal article 2017
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Smit, H. (author), Muche, Rahel (author), Ahlers, Rhodante (author), van der Zaag, P. (author)
To understand why soil erosion is persistent despite three decades of massive investments in soil conservation, this paper explores how drainage and soil conservation change a hill slope in the Choke Mountains. By paying close attention to the practices that reshape the hill, we account for the active roles of people and material flows in...
journal article 2017
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Hao, C. (author), van Boeijen, A.G.C. (author), Stappers, P.J. (author)
Designing successful products and services that people like, requires an understanding of the context and the aspirations of those people. Over the past decade, a range of methods has been developed to help designers gain such empathy. These have worked well when designer and target user share a cultural context. However, designers often find it...
conference paper 2017
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Kraaikamp, C. (author), Langeveld, Niels (author)
In this paper we consider continued fraction (CF) expansions on intervals different from [0,1]. For every x in such interval we find a CF expansion with a finite number of possible digits. Using the natural extension, the density of the invariant measure is obtained in a number of examples. In case this method does not work, a Gauss–Kuzmin...
journal article 2017
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Zhou, Y. (author), Daamen, W. (author), Vellinga, T. (author), Hoogendoorn, S.P. (author)
Due to the increasing ship traffic flow in ports, maritime traffic safety has attracted much atten-tion. In addition to traffic flow, the ship safety in restricted waters is influenced by external navigational fac-tors (visibility, wind and current), encounter situations and human factors on board. In this paper, we investi-gate the effect of...
conference paper 2017
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Cvetkovic, M. (author), Krishnappa, H. (author), López, Claudio (author), Bhandia, R. (author), Rueda, José L. (author), Palensky, P. (author)
This paper discusses and compares two approaches to address technical challenges in performing collaborative studies of power system dynamics. On one side, we consider the model migration approach which is an essential piece of dynamic model exchange. On the other side, we look at the co-simulation approach which is used to couple simulation...
conference paper 2017
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Bode, P. (author), Romanò, Sabrina (author), Romolo, Francesco Saverio (author)
A crucial part of any chemical analysis is the degree of representativeness of the measurand(s) in the test portion for the same measurands in the object, originally collected for investigation. Such an object usually may have either to be homogenized and sub-sampled, or digested/dissolved. Any of these steps introduce sampling errors, risk...
journal article 2017
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Slobbe, D.C. (author), Sumihar, JH (author), Frederikse, T. (author), Verlaan, M. (author), Klees, R. (author), Zijl, F (author), Hashemi Farahani, H. (author), Broekman, R (author)
In this paper, we present a novel Kalman filter approach to combine a hydrodynamic model-derived lowest astronomical tide (LAT) surface with tide gauge record-derived LAT values. In the approach, tidal water levels are assimilated into the model. As such, the combination is guided by the model physics. When validating the obtained “Kalman...
journal article 2017
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Landman, H.M. (author), Groen, Eric L. (author), van Paassen, M.M. (author), Bronkhorst, Adelbert (author), Mulder, Max (author)
Objective: The aim of this study was to test if performance of airline pilots, in performing an aerodynamic stall recovery procedure, decreases when they are surprised, compared to when they anticipate a stall event.<br/>Background: New flight-safety regulations for commercial aviation recommend the introduction of surprise and startle in upset...
journal article 2017
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de Athayde Costa e Silva, M. (author), Cordeiro Guerrieri, D. (author), van Zeijl, H.W. (author), Cervone, A. (author), Gill, E.K.A. (author)
This paper presents the results of design, manufacturing and characterization of Vaporizing Liquid Microthrusters (VLM) with integrated molybdenum heaters and temperature sensing. The thrusters use water as the propellant and are designed for use in CubeSats and PocketQubes. The devices are manufactured using silicon based MEMS (Micro Electro...
journal article 2017
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Mitici, M.A. (author), Goseling, Jasper (author), van Ommeren, Jan Kees (author), de Graaf, Maurits (author), Boucherie, Richard J. (author)
We present a tandem network of queues 0 , ⋯ , s- 1. Customers arrive at queue 0 according to a Poisson process with rate λ. There are s independent batch service processes at exponential rates μ<sub>0</sub>, ⋯ , μ<sub>s</sub> <sub>-</sub> <sub>1</sub>. Service process i, i= 0 , ⋯ , s- 1 , at rate μ<sub>i</sub> is such that all customers of...
journal article 2017
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Lu, T. (author), Tsouvalas, A. (author), Metrikine, A. (author)
abstract 2017
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ten Kate, O.M. (author), Zhang, Zhijun (author), Hintzen, H.T.J.M. (author)
Relations between the bandgap and structural properties and composition of the M–Si–N nitridosilicates (M = alkali, alkaline earth or rare earth metal) have been obtained, using experimental data collected from literature; and qualitative models are presented to explain the observed trends. Compounds with a higher degree of condensation, i.e. a...
journal article 2017
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Kawale, D. (author), Bouwman, G.W. (author), Sachdev, S. (author), Zitha, P.L.J. (author), Kreutzer, M.T. (author), Rossen, W.R. (author), Boukany, P. (author)
Molecular conformations of individual polymers during flow through porous media are directly observed by single-DNA imaging in microfluidics. As the Weissenberg number increases during flow (Wi &gt; 1), we observe two types of elastic instabilities: (a) stationary dead-zone and (b) time-dependant dead-zone washing. When stretched polymer chains...
journal article 2017
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Barbosa De Almeida Cabral, P.M. (author), Ribeiro Jorge, N. (author), van Valkenburg, W.F. (author)
In the MOOC world new concepts hatch every month, trying to find the Holy Grail of online learning. Last year edX adopted the new MIT concept of a MicroMasters credential: a series of graduate level courses offered by top universities to advance their career. The credential is credit-eligible and can accelerate a Master’s Degree if the learner...
conference paper 2017
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Dezfuli, Amin K. (author), Ichoku, Charles M. (author), Huffman, George J. (author), Mohr, Karen I. (author), Selker, John S. (author), van de Giesen, N.C. (author), Hochreutener, Rebecca (author), Annor, F.O. (author)
Understanding of hydroclimatic processes in Africa has been hindered by the lack of in situ precipitation measurements. Satellite-based observations, in particular, the TRMM Multisatellite Precipitation Analysis (TMPA) have been pivotal to filling this void. The recently released Integrated Multisatellite Retrievals for GPM (IMERG) project...
journal article 2017
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Berghuijs, W.R. (author), Larsen, Joshua R. (author), van Emmerik, T.H.M. (author), Woods, Ross A. (author)
Precipitation (P) and potential evaporation (E<sub>p</sub>) are commonly studied drivers of changing freshwater availability, as aridity (E<sub>p</sub>/P) explains ∼90% of the spatial differences in mean runoff across the globe. However, it is unclear if changes in aridity over time are also the most important cause for temporal changes in...
journal article 2017
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van Hooijdonk, I.G.S. (author), Clercx, Herman J.H. (author), Abraham, Carsten (author), Holdsworth, Amber M. (author), Monahan, Adam H. (author), Vignon, Etienne (author), Moene, Arnold F. (author), Baas, P. (author), van de Wiel, B.J.H. (author)
This study aims to find the typical growth rate of the temperature inversion during the onset of the stable boundary layer around sunset.The sunset transition is a very challenging period for numerical weather prediction, since neither accepted theories for the convective boundary layer nor those for the stable boundary layer appear to be...
journal article 2017
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