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- Cross, B. (author), Newmark, L. (author) other 2017
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Cotel, A. (author), Liard, A. (author), Desserouer, F. (author), Pichon, P. (author), van der Valk, N.C.J. (author)Optical components such as diffraction gratings are widely used in Space-flight satellites to analyse light properties from soft-X rays to Infra-Red. The diffraction gratings are one of the key optical components of space-flight instruments and have to exhibit very high optical performances. TROPOMI (Tropospheric Monitoring Instrument) is a...conference paper 2017
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Landman, H.M. (author), Groen, E.L. (author), van Paassen, R. (author), Bronkhorst, A.W. (author), Mulder, M. (author)Introducing the element of surprise is one of the main challenges in simulator training of in-flight emergencies. In this simulator study, we investigated the differences in performance between predictable and surprising circumstances, in order to obtain insight into the transfer of training between predictable training settings and surprising...conference paper 2017
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Dzhongova, E. (author), Anderson, D. (author), de Ruiter, J. (author), Novakovic, V. (author), Ruiz Oses, M. (author)Restrictions on the carriage of liquids, aerosol, and gels (LAGs) by airline passengers have been in place since November 2006, following the discovery of a terrorist plot involving homemade liquid explosives to be used on transatlantic flights (Wikipedia, 2006). Restrictions on the carriage of LAGs remain today, and the operational impact of...article 2017
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Landman, H.M. (author), Groen, E.L. (author), van Paassen, M.M. (author), Bronkhorst, A.W. (author), Mulder, M. (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. Background: New flight-safety regulations for commercial aviation recommend the introduction of surprise and startle in upset...article 2017
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Turan, O. (author), Kurt, R.E. (author), Arslan, V. (author), Silvagni, S. (author), Ducci, M. (author), Liston, P. (author), Schraagen, J.M. (author), Fang, I. (author), Papadakis, G. (author)It is well reported in the literature that more than 80% of shipping accidents are attributed to Human/organisational Error. Maritime community has realised that despite all the increased safety standards and technological developments, accidents are still occurring and the systems are not resilient to errors at various levels. The FP7 SEAHORSE...conference paper 2016
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Valk, P.J.L. (author), Simons, M. (author), Jetten, A.M. (author), Valiente, R. (author), Labeaga, L. (author)INTRODUCTION: Bilastine is a new oral, second generation antihistamine used in the symptomatic treatment of allergic rhinoconjunctivitis and urticaria. It is considered a nonsedating antihistamine and might be recommended for use in pilots, pending research on the effects on flying-related performance under hypobaric conditions that prevail in...article 2016
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Ledegang, W.D. (author), Groen, E.L. (author)We investigated the performance of 12 airline pilots in recovering from an asymmetrical stall in a flight simulator featuring an extended aerodynamic model of a transport-category aircraft, and a centrifuge-based motion platform capable of generating enhanced buffet motion and g-cueing. All pilots had difficulties in applying the correct...article 2015
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Pijloo, J.T. (author), Portegies Zwart, S.F. (author), Alexander, P.E.R. (author), Gieles, M. (author), Larsen, S.S. (author), Groot, P.J. (author), Devecchi, B.A. (author)We have coupled a fast, parametrized star cluster evolution code to a Markov Chain Monte Carlo code to determine the distribution of probable initial conditions of observed star clusters, that may serve as a starting point for future N-body calculations. In this paper, we validate our method by applying it to a set of star clusters which have...article 2015
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Bos, J.E. (author), Correia Grácio, B.J. (author)BACKGROUND: Linear acceleration generally gives rise to translation perception. Centripetal acceleration during centrifugation, however, has never been reported giving rise to a radial, inward translation perception. OBJECTIVE: To study whether centrifugation can induce a radial translation perception in the absence of visual cues. METHODS: To...article 2015
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- Groen, E.L. (author), Kuiper, O.X. (author) report 2015
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- Straathof, M.H. (author) bookPart 2015
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Gielesen, W.L.M. (author)Sinds enkele maanden draait de Ga¡a-satel]¡et van Esa op anderhalf miljoen kilometer van de aarde. Doel is om een zeer nauwkeurige driedimensionale kaart te maken van ongeveer een miljard sterren in ons Melkwegstetsel. Aan boord zijn twee meetsystemen, door TNO ontwikketd en gebouwd, verantwoordelijk voor de nauwkeurigheid waarmee de exacte...article 2014
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Sanders, H.M. (author), Schuurbiers, C.A.H. (author), Vandeberg, R.J. (author)Cool Gas Generators are an innovative means to store gas which can be used in propulsion and pressurization systems but also for inflatable structures and terrestrial applications. In Cool Gas Generators, the gas is stored chemically, without pressure or leakage and with a long life time without maintenance. When initiated, a chemical reaction...conference paper 2014
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van Lonkhuyzen, H. (author), Bongers, E. (author), Fischer, H.R. (author), Dingemans, T.J. (author), Semprimoschnig, C. (author)Due to their low atomic oxygen erosion yields PI-b-PDMS block copolymer films have considerable potential for application onto space exposed surfaces of satellites in low earth orbit. On solar arrays these materials might be used as electrical electrical insulation film, flexprint outer layer, electrical wire wrapping, adhesive tape and/or...conference paper 2013
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Ebbing, J. (author), Bauman, J. (author), Fuchs, M. (author), Lieb, V. (author), Haagmans, R. (author), Meekes, J.A.C. (author), Abdul Fattah, R. (author)In recent years, global gravity models, both based only on satellite data and from combination with terrestrial data, are increasingly available and particularly useful to construct regional models before more local interpretations on the exploration scale are carried out. Often it is challenging to distinguish clearly between near-surface and...article 2013
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Brodecki, M. (author), Subbarao, K. (author), Chu, Q.P. (author)Emergent behavior of a formation flight control system based on an advanced extremum seeking algorithm is investigated. The control system was implemented on a nonlinear high fidelity aircraft model and combined with a wake vortex model in order to accurately represent the aerodynamic coupling experienced by members of a formation. The desired...conference paper 2013
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Brodecki, M. (author), Subbarao, K. (author), Chu, Q.P. (author)A formation flight control system has been designed that addresses the unique environment encountered by aircraft flying in formation and in the upwash of the leading aircraft. In order to test the control system a simulation environment has been created that adequately represents the aerodynamic coupling effects between aircraft flying in...conference paper 2013
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Giodini, S. (author), Lovisari, L. (author), Pointecouteau, E. (author), Ettori, S. (author), Reiprich, T.H. (author), Hoekstra, H. (author)Well-calibrated scaling relations between the observable properties and the total masses of clusters of galaxies are important for understanding the physical processes that give rise to these relations. They are also a critical ingredient for studies that aim to constrain cosmological parameters using galaxy clusters. For this reason much effort...article 2013
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Weiss, M. (author), Shtessel, Y. (author)The paper considers the problem of bringing the state of a controllable linear system to the origin in a very short time. It takes the approach of considering an “ideal” control input consisting of a linear combination of the Dirac delta function and its derivatives that realizes this goal instantaneously. Three schemes are introduced to...bookPart 2013