A lab-scale solar reactor, equipped with a porous CeO2 structure with dual-scale porosity for CO2 and H2O splitting, has been simulated and validated using available experimental results. The validated model was then used to scale-up the geometry to the MW scale and to investigate the benefits in the studied reactor. The larger reactors displayed partially better performance, but their potential was limited by the restricted thickness of the porous structure during scaling-up. This restriction accelerated the temperature uniformity in the CeO2 volume, followed by saturation and a steady-state effect with reduced O2 production. The validated model can be used for further reactor optimization, which should be addressed in combination with a dedicated plant design study for continuous carbon-neutral fuel production.
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25 July 2019
SolarPACES 2018: International Conference on Concentrating Solar Power and Chemical Energy Systems
2–5 October 2018
Casablanca, Morocco
Research Article|
July 25 2019
3D modelling of a solar thermochemical reactor for MW scaling-up studies Free
Stylianos Kyrimis;
Stylianos Kyrimis
1
Institute of Combustion Technology, Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR)
, Stuttgart 70569, Germany
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Patrick Le Clercq;
Patrick Le Clercq
a)
1
Institute of Combustion Technology, Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR)
, Stuttgart 70569, Germany
a)Corresponding author: [email protected]
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Stefan Brendelberger
Stefan Brendelberger
2
Institute of Solar Research, Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR)
, Köln 51147, Germany
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Stylianos Kyrimis
1
Patrick Le Clercq
1,a)
Stefan Brendelberger
2
1
Institute of Combustion Technology, Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR)
, Stuttgart 70569, Germany
2
Institute of Solar Research, Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR)
, Köln 51147, Germany
a)Corresponding author: [email protected]
AIP Conf. Proc. 2126, 180013 (2019)
Citation
Stylianos Kyrimis, Patrick Le Clercq, Stefan Brendelberger; 3D modelling of a solar thermochemical reactor for MW scaling-up studies. AIP Conf. Proc. 25 July 2019; 2126 (1): 180013. https://doi.org/10.1063/1.5117693
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