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Fleming, J. (author), Rousseau, C.W. (author), Zebregs, M. (author), van Driel, C.A. (author)Extruded double-base (EDB) charges are used mainly due to their efflux having minimum smoke, attractive oxygen balance, and low corrosivity. The propellant class also has desirable burn-rate characteristics since it exhibits plateau burning and has a low temperature sensitivity to burning rate (πk). External ballistic modeling results are...article 2022
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Fleming, J. (author), Rousseau, C.W. (author), Zebregs, M. (author), van Driel, C.A. (author)EDB propellant may be manufactured by solvent or solventless processes. Generally, the former is used for small diameter gun propellants (conference paper 2021
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li Piani, T. (author), Weerheijm, J. (author), Peroni, M. (author), Koene, L. (author), Krabbenborg, D. (author), Solomos, G. (author), Sluys, L.J. (author)This paper presents the results of an experimental research aimed at assessing the material performance of adobe bricks in compression for a wide range of induced strain rates, from statics to high velocity impact. Adobe connotes a traditional masonry whose bricks are made of sundried soil mixtures possibly reinforced with natural fibres and...article 2020
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Zebregs, M. (author), Mayer, A.E.H.J. (author), van der Heijden, A.E.D.M. (author)In this comparative study, a solid composite, AN/HTPB-based propellant was prepared by conventional processing in a mechanical mixer and by applying an advanced processing technique relying on resonant acoustic mixing (RAM). After curing of the propellants, cross-sections were prepared and characterized by scanning electron microscopy. Also the...article 2020
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- Philippens, M.M.G.M.M. (author), Ouellet, S. (author) bookPart 2019
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Hendrickx, N.W. (author), Tagliaferri, M.L.V. (author), Kouwenhoven, M. (author), Li, R. (author), Franke, D.P. (author), Sammak, A. (author), Brinkman, A. (author), Scappucci, G. (author), Veldhorst, M. (author)We fabricate Josephson field-effect transistors in germanium quantum wells contacted by superconducting aluminum and demonstrate supercurrents carried by holes that extend over junction lengths of several micrometers. In superconducting quantum point contacts we observe discretization of supercurrent, as well as Fabry-Perot resonances,...article 2019
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Pereira, L.F. (author), Weerheijm, J. (author), Sluys, L.J. (author)Although many aspects of the fracturing process of concrete are now well understood and successfully simulated with various models, it is still very difficult to properly simulate the different failure mechanisms observed in a concrete structure induced by ballistic impact. In this paper, an enhanced version of the effective-rate-dependent...article 2018
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Bogerd, C.P. (author), Langenberg, J.P. (author), den Hartog, E.A. (author)Armed forces typically have personal protective clothing (PPC) in place to offer protection against chemical, biological, radiological and nuclear (CBRN) agents. The regular soldier is equipped with permeable CBRN-PPC. However, depending on the operational task, these PPCs pose too much thermal strain to the wearer, which results in a higher...article 2018
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Carton, E.P. (author), Roebroeks, G.H.J.J. (author), Weerheijm, J. (author), Diederen, A.M. (author)Research on armor ceramics created only limited success in its search for relations between mechanical properties and the ballistic efficiency of this class of materials. Also TNO performed research on this subject using a range of experimental test set-ups (mainly using small and mid-caliber rounds) and diagnostic tools on a range of ceramic...conference paper 2018
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Dijkers, H.P.A. (author), Hooijmeijer, P.A. (author)Ammunition transshipments are a key part of the logistical operations of the armed forces and are often executed via ships. These transshipments pose a risk to the people present in the area surrounding the harbor, where the loading/unloading of the ship takes place. A method is presented to perform a quantitative risk assessment of such...conference paper 2018
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Verolme, E.K. (author), van der Voort, M.M. (author), Smits, R. (author), Weerheijm, J. (author), Koh, Y.H. (author), Kang, K.W. (author)There is limited knowledge on deriving the strength of an explosion based on the observed explosion effects. Existing methods are based primarily on the effects of blast overpressure on surrounding structures. Window breakage and structural damage are well studied and are widely used to derive most probable explosion strengths. Other explosive...article 2018
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- li Piani, T. (author), Weerheijm, J. (author), Koene, L. (author), Sluys, L.J. (author) conference paper 2018
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Brix, K.A. (author), Brody, D.L. (author), Grimes, J.B. (author), Yitzhak, A. (author), Agoston, D. (author), Aldag, M. (author), Armstrong, R. (author), Arun, P. (author), Audette, M. (author), Babcock, D. (author), Balaban, C. (author), Banton, R. (author), Bellgowan, P. (author), Borkholder, D. (author), Broglio, S. (author), Brokaw, E. (author), Cantu, R. (author), Carr, W. (author), Chapman, S. (author), Cmarik, J. (author), Colder, B. (author), Colombe, J. (author), Cook, D. (author), Cozzarelli, T. (author), Da Silva, U.O. (author), Daphalapurkar, N. (author), Dardzinski, B. (author), DeGraba, T. (author), DeMar, J. (author), DeWitt, D. (author), Dickstein, D. (author), Duckworth, J. (author), Elder, G. (author), Fazel-Rezai, R. (author), Fine, M. (author), Fiskum, G. (author), Fournier, A. (author), Ganpule, S. (author), Gill, J. (author), Glenn, J.F. (author), Greene, C. (author), Greig, N. (author), Haering, C. (author), Harrington, J. (author), Hein, A. (author), Helmick, K. (author), Hicks, R. (author), Hinds, S. (author), Hoffman, S. (author), Horkayne-Szakaly, I. (author), Iacono, D. (author), Ishii, E. (author), Jones, R.V. (author), Karami, G. (author), Krawczyk, D. (author), Labutta, R. (author), Latta, R. (author), Lattimore, T. (author), Leggieri, M. (author), Leonessa, F. (author), Lin, A. (author), Ling, G. (author), Long, M. (author), Lu, K.P. (author), Panker, S.M. (author), McCabe, J. (author), Merkle, A. (author), Montenigro, P. (author), Mueller, G.P. (author), Ng, L. (author), Nigam, S. (author), O'Donnell, J. (author), Okonkwo, D. (author), Pauli, I. (author), Perl, D. (author), Peskind, E. (author), Pfister, B. (author), Philippens, M. (author), Piehler, T. (author), Proctor, J. (author), Przekwas, A. (author), Qashu, F. (author), Raskind, M. (author), Razumovsky, A. (author), Reifman, J. (author), Reyes, P. (author), Rigby, P. (author), Risling, M. (author), Robinson, M. (author), Rooks, T. (author), Rosen, C. (author), Rosseau, G. (author), Sammons-Jackson, W. (author), Santago, A. (author), Shoge, R. (author), Sours, C. (author), Stone, J. (author), Templin, M. (author), Tepe, V. (author), Thielen, P. (author), Thomas, M. (author), Timmes, T. (author), Tortella, F. (author), Tucker, L. (author), Tweedie, D. (author), Hamm, D.V. (author), Christie Vu, B. (author), Wang, Y. (author), West, T. (author), Wilde, E. (author), Willis, A. (author), Wu, J. (author), Zai, L. (author), Zander, N. (author), Zheng, J. (author), Ziejewski, M. (author)The potential relationship between chronic traumatic encephalopathy (CTE) and head injuries such as blast-related traumatic brain injury (TBI) is an important area of study, particularly for military and contact sports populations, yet little is known about this relationship. To address this topic, the Department of Defense (DoD) Blast Injury...article 2017
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van Driel, C.A. (author), de Klerk, W.P.C. (author)Conventional gun propellants exhibit the phenomenon of nitrocellulose (NC) decomposition. Besides an effect on thermal stability of propellants, decomposition of NC has an effect on the mechanical integrity of the propellant grains. Enhanced grain fracture may lead to unacceptable changes of the pressure build-up. The effect of ageing on NC...conference paper 2017
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Weerheijm, J. (author), Grunwald, C. (author), Slobbe, A.T. (author), von Ramin, M. (author)The Klotz Group (KG), an international group of experts on explosion safety, investigates the debris throw hazard associated with the accidental detonation of ammunition in reinforced concrete (RC) structures. Experiments are combined with engineering models but also with results of advanced computational modeling, which is the topic of this...conference paper 2017
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- Cross, B. (author), Newmark, L. (author) other 2017
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- Kodde, B. (author) other 2017
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- Stoop, M. (author) other 2017
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- de Kraker, K.J. (author) other 2017
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- Verhagen, T. (author) other 2017