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Brouwer, Jonathan (author), Cockx, J.G.H. (author), Zwaan, A.S. (author)Static type systems can greatly enhance the quality of programs, but implementing a type checker that is both expressive and user-friendly is challenging and error-prone. The Statix meta-language (part of the Spoofax language workbench) aims to make this task easier by automatically deriving a type checker from a declarative specification of...conference paper 2023
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Brouwer, W.S. (author), Wang, Y. (author), van Leijen, F.J. (author), Hanssen, R.F. (author)InSAR enables the estimation of displacements of (objects on) the earth's surface. To provide reliable estimates, both a stochastic and mathematical model are required. However, the intrinsic problem of InSAR is that both are unknown. Here we derive the Variance-Covariance Matrix (VCM) for double differenced phase observations for an arc, i.e...conference paper 2023
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Sijtsma, P. (author), Brouwer, Harry (author), Snellen, M. (author)The fan-stator stage of turbofan engines is one of the main regions of broadband noise generation. The trend of increasing bypass ratios will make fan-stator broadband noise even more significant, as jet noise will decrease and nacelles will become shorter, thus leaving less space for liners. Within the fan-stator stage there are several...conference paper 2023
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Ding, Z. (author), Brouwer, J.C. (author), Kwakernaak, C. (author), Hermans, M.J.M. (author), Popovich, V. (author), Quadakkers, Willem J. (author), Sloof, W.G. (author)Mo(Al<sub>x</sub>Si<sub>1-x</sub>)<sub>2</sub> alloy with x in the range of 0.35–0.65 were prepared by a one-step spark plasma sintering. To study the exclusive formation of an α-Al<sub>2</sub>O<sub>3</sub> scale, oxidation experiments were conducted in low and high oxygen partial pressure ambient at 1373 K; viz.: 10<sup>−14</sup> and 0.21...journal article 2023
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Ding, Z. (author), Brouwer, J.C. (author), Zhu, Jia-Ning (author), Popovich, V. (author), Hermans, M.J.M. (author), Sloof, W.G. (author)Boron containing MoSi<sub>2</sub> is a promising material for applications at high temperature, but the oxidation mechanism is still unclear. In this work, the high temperature (1100 °C) oxidation of B doped MoSi<sub>2</sub> in synthetic air has been investigated. A (boro)silicate layer is formed on the surface of the alloy, which features a...journal article 2023
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Aghaeian, S. (author), Brouwer, J.C. (author), Sloof, W.G. (author), Mol, J.M.C. (author), Bottger, A.J. (author)Since the oxidation reactions in the process of steel production occur in harsh conditions (i.e., high temperatures and gas atmospheres), it is practically impossible to observe in situ the compositional changes in the steel and the formed oxide scale. Hence, a coupled thermodynamic-kinetic numerical model is developed that predicts the...journal article 2023
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Bhootpur, N. (author), Brouwer, J.C. (author), Tang, Y. (author)In the past decades, Zirconia (ZrO<sub>2</sub>) has emerged as a promising technical ceramic, both as high temperature structural material and electrolyte for fuel cells, etc. The traditional synthesis of ZrO<sub>2</sub> with spark plasma sintering (SPS) usually requires a sintering temperature as high as 1200 °C. General interest in lowering...journal article 2023
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Zhu, Jia-Ning (author), Ding, Z. (author), Borisov, Evgenii (author), Yao, Xiyu (author), Brouwer, J.C. (author), Popovich, Anatoly (author), Hermans, M.J.M. (author), Popovich, V. (author)The pursuit of enhancing NiTi superelasticity through laser powder bed fusion (L-PBF) and [001] texture creation poses a challenge due to increased susceptibility to hot cracking in the resulting microstructure with columnar grains. This limitation restricts NiTi's application and contributes to material waste. To overcome this, we introduce...journal article 2023
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Ding, Z. (author), Brouwer, J.C. (author), Kwakernaak, C. (author), Zhu, Jia-Ning (author), Popovich, V. (author), Hermans, M.J.M. (author), Sloof, W.G. (author)To prevent premature triggering of the healing reaction in Mo-Si containing self-healing thermal barrier coating system, an oxygen impenetrable shell (α-Al<sub>2</sub>O<sub>3</sub>) around the sacrificial healing particles (MoSi<sub>2</sub>) is desired. Here an encapsulation method is presented through selective oxidation of Al in Mo(Al<sub>x...journal article 2023
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Brouwer, W.S. (author), Hanssen, R.F. (author)The estimation of displacement vectors for (objects on) the Earth's surface using satellite InSAR requires geometric transformations of the observables based on orbital viewing geometries. Usually, there are insufficient viewing geometries available for full 3-D reconstruction, leading to nonunique solutions. Currently, there is no...journal article 2023
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Tschiersky, Martin (author), Hekman, Edsko E.G. (author), Herder, J.L. (author), Brouwer, Dannis M. (author)Passive shoulder supports show large potential for a wide range of applications, such as assisting activities of daily living and supporting work-related tasks. The rigid-link architecture used in currently available devices, however, may pose an obstacle to finding designs that offer low protrusion and close-to-body alignment. This study...journal article 2022
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Brouwer, Thomas P. (author), de Vries, Natasja L. (author), Abdelaal, T.R.M. (author), Li, Zheng (author), Ruano, Dina (author), Fariña, Arantza (author), Lelieveldt, B.P.F. (author), Morreau, Hans (author), Vahrmeijer, Alexander L. (author)BACKGROUND: Pancreatic ductal adenocarcinoma (PDAC) is a highly lethal malignancy in need of effective (immuno)therapeutic treatment strategies. For the optimal application and development of cancer immunotherapies, a comprehensive understanding of local and systemic immune profiles in patients with PDAC is required. Here, our goal was to...journal article 2022
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Tuluk, A. (author), Brouwer, J.C. (author), van der Zwaag, S. (author)BiFeO <sub>3</sub> is a multiferroic material with a perovskite structure that has a lot of potential for use in sensors and transducers. However, obtaining pure single-phase BiFeO <sub>3</sub> ceramic with a low electrical conductivity via solid-state reactions remains a problem that limits its application. In this work, the suppression of...journal article 2022
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You, Y. (author), Kim, Jungki (author), Kwakernaak, C. (author), Brouwer, J.C. (author), Westerwaal, Ruud (author), Sloof, W.G. (author)The surface oxidation and wettability of Mn and Si-alloyed steel after annealing at different conditions are studied with scanning electron microscope (SEM), X-ray photoelectron spectroscopy (XPS), and a so-called de-wetting method. After exposure at 950 °C for 1 hour in an Ar + 5 vol pct H<sub>2</sub> gas atmosphere with dew points (DP)...journal article 2022
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Rommers, J. (author), Naves, M. (author), Brouwer, D. M. (author), Herder, J.L. (author)In this study, a flexure-based (compliant) linear guide with a motion range comparable to its footprint is presented. The design consists of two-folded leaf springs on which torsion reinforcement structures are added. Due to these structures, only two-folded leaf springs are needed instead of a minimum of five as in preexisting designs. The...journal article 2022
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Tummers, Fokkedien H.M.P. (author), Draaisma, Werner A. (author), Demirkiran, Ahmet (author), Brouwer, Tammo A. (author), Lagerveld, Brunolf W. (author), van Schrojenstein Lantman, Esther S. (author), Spijkers, Klaartje (author), Coppus, Sjors F.P.J. (author), Jansen, F.W. (author)Background. During the COVID-19 pandemic the question arises if laparoscopy, as an aerosol forming procedure, poses a potential risk for viral transmission of SARS-CoV-2 to healthcare workers. Methods. A literature search was conducted using PubMed, Embase and MEDLINE. Articles reporting information regarding COVID-19 or other relevant...review 2021
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van Baardewijk, Jan Ubbo (author), Agarwal, Sarthak (author), Cornelissen, Alex S. (author), Joosen, Marloes J. A. (author), Kentrop, Jiska (author), Varon, Carolina (author), Brouwer, Anne-Marie (author)Early detection of exposure to a toxic chemical, e.g., in a military context, can be life-saving. We propose to use machine learning techniques and multiple continuously measured physiological signals to detect exposure, and to identify the chemical agent. Such detection and identification could be used to alert individuals to take...journal article 2021
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Koop, Steven Hendrik Andreas (author), Clevers, Sharon Helena Pascale (author), Blokker, E.J.M. (author), Brouwer, Stijn (author)In response to droughts, various media campaigns and water-saving instructions are released. However, these often only have temporary water conservation effects. A promising development in this regard is Digital Water Meters (DWM), which can provide near real-time water-use feedback. Despite extensive DWM experience in some water-stressed...journal article 2021
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Pallares Vega, R. (author), Macedo, Gonçalo (author), Brouwer, Michael S.M. (author), Hernandez Leal, Lucia (author), van der Maas, Peter (author), van Loosdrecht, Mark C.M. (author), Weissbrodt, D.G. (author), Heederik, Dick (author), Mevius, Dik (author), Schmitt, Heike (author)Plasmid-mediated dissemination of antibiotic resistance among fecal Enterobacteriaceae in natural ecosystems may contribute to the persistence of antibiotic resistance genes in anthropogenically impacted environments. Plasmid transfer frequencies measured under laboratory conditions might lead to overestimation of plasmid transfer potential...journal article 2021
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Brouwer, Tim (author), Koeva, Mila (author), van Oosterom, P.J.M. (author), Theunisse, Iris (author)Snelle stedelijke groei, slimme energievoorziening, schonere mobiliteit en landrechten voor iedereen zijn uitdagingen die een innovatieve geomatics-aanpak vereisen. Sensortechnologieën, ruimtelijke gegevensverwerkingsmethoden en aanverwante benaderingen komen steeds meer en beter beschikbaar. De vraag is echter hoe ze te gebruiken en te...journal article 2020