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Alders, D.C. (author), Vlieland, J. (author), Thijs, M.A. (author), Konings, R. (author), Smith, A.L. (author)
The thermodynamic and thermo-physical properties of the molten salt system [Formula presented] have been investigated using an experimental and modelling approach. This molten salt system includes a single intermediate compound [Formula presented], whose structure has been investigated using X-ray and neutron diffraction. Furthermore, this...
journal article 2024
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Zappey, J.N. (author), Moore, E. E. (author), Beneš, O. (author), Griveau, J. C. (author), Konings, R. (author)
The heat capacity of technetium metal has been measured from 2.1 K to 293 K using relaxation calorimetry and the enthalpy increment up to 1700 K using drop calorimetry. The low-temperature calorimetry measurements revealed a superconducting transition temperature of T<sub>C</sub> = (7.76 ± 0.08) K. The zero-degree Debye temperature(θ<sub>E<...
journal article 2024
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Soleymani, A. (author), van den Brom, P.I. (author), Ahmed, Samir (author), Konings, Maaike (author), Sjoer, Ellen (author), Itard, L.C.M. (author), Zeiler, Wim (author), De Laat, Maarten (author), Specht, M.M. (author)
The energy management systems industry in the built environment is currently an important topic. Buildings use about 40% of the total global energy worldwide. Therefore, the energy management system’s sector is one of the most influential sectors to realize changes and transformation of energy use. New data science technologies used in building...
journal article 2023
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van Hattem, A. (author), Griveau, Jean Christophe (author), Colineau, Eric (author), Lefering, A.J.E. (author), Konings, R. (author), Smith, A.L. (author)
The heat capacities of CsPbI<sub>3</sub>, Cs<sub>4</sub>PbI<sub>6</sub>, and Cs<sub>3</sub>Bi<sub>2</sub>I<sub>9</sub> were studied using low-temperature thermal relaxation calorimetry in the temperature range of 1.9-300 K. The three compounds are insulators, with no electronic contribution to the heat capacity. None of them show detectable...
journal article 2023
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van Hattem, A. (author), Vlieland, J. (author), Dankelman, B.J.R. (author), Thijs, M.A. (author), Wallez, Gilles (author), Dardenne, Kathy (author), Rothe, Jörg (author), Konings, R. (author), Smith, A.L. (author)
The quaternary compound Cs<sub>2</sub>Pb(MoO<sub>4</sub>)<sub>2</sub> was synthesized and its structure was characterized using X-ray and neutron diffraction from 298 to 773 K, while thermal expansion was studied from 298 to 723 K. The crystal structure of the high-temperature phase β-Cs<sub>2</sub>Pb(MoO<sub>4</sub>)<sub>2</sub> was...
journal article 2023
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Tosolin, A. (author), Vigier, J. F. (author), Mastromarino, S. (author), Konings, R. J.M. (author), Luzzi, L. (author), Beneš, O. (author)
Phase equilibria in the ThF<sub>4</sub>-PuF<sub>3</sub> system were measured by differential scanning calorimetry. Samples were encapsulated to prevent leakage during the measurements and to prevent fluoride contamination of the instrument. Formation of intermediate compounds and solid solutions was investigated by X-ray diffraction. A...
journal article 2023
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van Hattem, A. (author), Alders, D.C. (author), Konings, R. (author), Smith, A.L. (author)
The thermochemistry of the ternary system CsI-PbI<sub>2</sub>-BiI<sub>3</sub>, of interest for applications in photovoltaics, memory devices, and nuclear applications, among other things, is investigated in this work. The binary phase diagrams CsI-PbI<sub>2</sub> and CsI-BiI<sub>3</sub> were subjected to renewed experimental investigation,...
journal article 2023
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Ahmed, Mohammad Samir (author), van der Velden, Joep (author), Soleymani, A. (author), van den Brom, P.I. (author), Konings, Maaike (author), Itard, L.C.M. (author), Specht, M.M. (author), Sjoer, Ellen (author), Zeiler, Wim (author)
Buildings need to be carefully operated and maintained for optimum health, comfort, energy performance, and utility costs. The increasing use of Machine Learning combined with Big Data in the building services sector has shown the potential to bring energy efficiency and cost-effectiveness. Therefore, upskilling and reskilling the current...
conference paper 2022
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Ocadiz flores, J.A. (author), Rooijakkers, B.A.S. (author), Konings, R. (author), Smith, A.L. (author)
Corrected excess Gibbs energies of the liquid solutions in the ACl-ThCl4 (A = Li, Na, K), as well as revised standard enthalpies of formation and standard entropies of the intermediate phases occurring in the binary systems, are presented. The phase diagrams are reproduced to a similar level of accuracy as in the original publication, and the...
journal article 2022
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Ocadiz flores, J.A. (author), Konings, R. (author), Smith, A.L. (author)
CALPHAD models to compute the density and viscosity of four keystone systems related to Molten Salt Reactor (MSR) technology have been optimized: NaCl-UCl<sub>3</sub>, LiF-ThF<sub>4</sub>, LiF-UF<sub>4</sub>, and LiF-ThF<sub>4</sub>-UF<sub>4</sub>. Revised thermodynamic assessments of all four systems, using the modified quasichemical...
journal article 2022
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Dumaire, T. (author), Ocadiz flores, J.A. (author), Konings, R. (author), Smith, A.L. (author)
Chloride salts are considered a good alternative to fluoride salts as fuel carrier in the Molten Salt Fast Reactor concepts. The NaCl–ThCl4–PuCl3 fuel salt solution seems very promising, with low melting temperature eutectic compositions, and the potential to be used in a breeder and burner type of reactor design. This work focuses on the...
journal article 2022
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Ocadiz flores, J.A. (author), Gheribi, A. E. (author), Vlieland, J. (author), Dardenne, K. (author), Rothe, J. (author), Konings, R. (author), Smith, A.L. (author)
© 2021 The Authors LiF-UF4 is a key binary system for molten fluoride reactor technology, which has not been scrutinized as thoroughly as the closely related LiF-ThF4 system. The phase diagram equilibria in the system LiF-UF4 are explored in this work with X-ray diffraction (XRD) and differential scanning calorimetry (DSC). The short-range...
journal article 2021
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Ocadiz flores, J.A. (author), Rooijakkers, B.A.S. (author), Konings, R. (author), Smith, A.L. (author)
The ACl-ThCl (Formula presented.) (A = Li, Na, K) systems could be of relevance to the nuclear industry in the near future. A thermodynamic investigation of the three binary systems is presented herein. The excess Gibbs energy of the liquid solutions is described using the quasi-chemical formalism in the quadruplet approximation. The phase...
journal article 2021
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Capelli, E. (author), Beneš, O. (author), Konings, R. (author)
The authors regret to inform that the thermodynamic data [Formula presented] of the pure compound CsI(l) was not reported correctly in Table 3. The corresponding enthalpy of formation should read: [Formula presented]
journal article 2021
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Konings, Alexandra G. (author), Saatchi, Sassan S. (author), Frankenberg, Christian (author), Keller, Michael (author), Leshyk, Victor (author), Anderegg, William R.L. (author), Humphrey, Vincent (author), Steele-Dunne, S.C. (author), Wang, Yujie (author)
Droughts in a warming climate have become more common and more extreme, making understanding forest responses to water stress increasingly pressing. Analysis of water stress in trees has long focused on water potential in xylem and leaves, which influences stomatal closure and water flow through the soil-plant-atmosphere continuum. At the...
review 2021
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Ocadiz flores, J.A. (author), Gheribi, A. E. (author), Vlieland, J. (author), de Haas, D.W. (author), Dardenne, K. (author), Rothe, J. (author), Konings, R. (author), Smith, A.L. (author)
The short-range structures of LiF-ThF4, NaF-AnF4, KF-AnF4, and Cs-AnF4 (An = Th, U), were probed using in situ high temperature Extended X-ray Absorption Fine Structure (EXAFS) spectroscopy. Signally, the EXAFS spectra of pure molten ThF4 and UF4 were measured for the first time. The data were interpreted with the aid of Molecular Dynamics ...
journal article 2021
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Schreuder, Maarten B.J.W. (author), Ocadiz flores, J.A. (author), Gheribi, Aimen E. (author), Beneš, Ondrej (author), Griveau, Jean Christophe (author), Colineau, Eric (author), Konings, R. (author), Smith, A.L. (author)
The structural, thermochemical, and thermophysical properties of the NaF-ThF4 fuel system were studied with experimental methods and molecular dynamics (MD) simulations. Equilibrium MD (EMD) simulations using the polarizable ion model were performed to calculate the density, molar volume, thermal expansion, mixing enthalpy, heat capacity, and...
journal article 2021
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Smith, A.L. (author), Rutten, M. (author), Herrmann, L. (author), Epifano, E. (author), Konings, R. (author), Colineau, E. (author), Griveau, J. C. (author), Guéneau, C. (author), Dupin, N. (author)
Thermodynamic measurements on BaMoO<sub>4</sub>, BaMoO<sub>3</sub> and BaMo<sub>3</sub>O<sub>10</sub> are reported, that served as input for the development of a thermodynamic model of the Ba-Mo-O system using the CALPHAD methodology. The valence states of molybdenum in BaMoO<sub>4</sub> and BaMoO<sub>3</sub> were confirmed to be VI and IV,...
journal article 2021
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Weygers, Ive (author), Kok, M. (author), Konings, Marco (author), Hallez, Hans (author), De Vroey, Henri (author), Claeys, Kurt (author)
The use of inertial measurement units (IMUs) has gained popularity for the estimation of lower limb kinematics. However, implementations in clinical practice are still lacking. The aim of this review is twofold-to evaluate the methodological requirements for IMU-based joint kinematic estimation to be applicable in a clinical setting, and to...
review 2020
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Epifano, E. (author), Prieur, D. (author), Martin, P. M. (author), Guéneau, C. (author), Dardenne, K. (author), Rothe, J. (author), Vitova, T. (author), Dieste, O. (author), Konings, R. (author)
In the context of a comprehensive campaign for the characterisation of transmutation fuels for next generation nuclear reactors, the melting behaviour of mixed uranium-americium dioxides has been experimentally studied for the first time by laser heating, for Am concentrations up to 70 mol. % under different types of atmospheres. Extensive...
journal article 2020
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