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Aldo Steinfeld

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Publications associées (19)

Unsteady Radiative Heat Transfer Model of a Ceria Particle Suspension Undergoing Solar Thermochemical Reduction

Aldo Steinfeld, Tristan Elias Breuillé, Sophia Haussener

Unsteady radiative heat transfer is analyzed numerically in a directly irradiated plane-parallel medium containing a suspension of ceria particles undergoing nonstoichiometric thermal reduction. The micrometer-sized ceria particles are assumed homogenous, ...

AMER INST AERONAUTICS ASTRONAUTICS2019

Pore-level engineering of macroporous media for increased performance of solar-driven thermochemical fuel processing

Aldo Steinfeld, Sophia Haussener, Silvan Suter

The performance of high-temperature solar reactors incorporating porous ceramic materials that serve as radiative absorbers and chemical reaction sites can be improved significantly by tailoring their pore structure. We investigated the changes in their ef ...

Elsevier2014

Review of Heat Transfer Research for Solar Thermochemical Applications

Aldo Steinfeld, Sophia Haussener

2013

Multi-Scale Modelling of a Solar Reactor for the High-Temperature Step of a Sulphur-Iodine-Based Water Splitting Cycle

Aldo Steinfeld, Sophia Haussener

The 3-step sulphur-iodine-based thermochemical cycle for splitting water is considered. The high-temperature step consists of the evaporation, decomposition, and reduction of H2SO4 to SO2 using concentrated solar process heat. This step is followed by the ...

ASME2012

Effective Heat and Mass Transport Properties of Anisotropic Porous Ceria for Solar Thermochemical Fuel Generation

Aldo Steinfeld, Sophia Haussener

High-resolution X-ray computed tomography is employed to obtain the exact 3D geometrical configuration of porous anisotropic ceria applied in solar-driven thermochemical cycles for splitting H2O and CO2. The tomography data are, in turn, used in direct por ...

MDPI2012

Tomography-based determination of permeability and Dupuit-Forchheimer coefficient of characteristic snow samples

Émilie Zermatten, Aldo Steinfeld, Marc Schneebeli Zeugin, Sophia Haussener

A tomography-based methodology for the mass transport characterization of snow is presented. Five samples, characteristic for a wide range of seasonal snow, are considered. Their three-dimensional (3-D) geometrical representations are obtained by micro-com ...

International Glaciological Society2011

HycycleS: a project on nuclear and solar hydrogen production by sulphur-based thermochemical cycles

Aldo Steinfeld, Sophia Haussener

2011

Tomography-based heat and mass transport characterization of complex porous materials and their application and importance in solar fuel processing

Aldo Steinfeld, Sophia Haussener

2011

Tomography-Based Heat and Mass Transfer Characterization of Reticulate Porous Ceramics for High-Temperature Processing

Aldo Steinfeld, Sophia Haussener

American Society of Mechanical Engineers2010

Tomography-Based Analysis of Radiative Transfer in Reacting Packed Beds Undergoing a Solid-Gas Thermochemical Transformation

Aldo Steinfeld, Sophia Haussener

American Society of Mechanical Engineers2010

Tomography-Based Determination of Effective Transport Properties for Reacting Porous Media

Aldo Steinfeld, Sophia Haussener

2010

Modeling of a Multitube High-Temperature Solar Thermochemical Reactor for Hydrogen Production

Aldo Steinfeld, Sophia Haussener

American Society of Mechanical Engineers2009

Tomographic Characterization of a Semitransparent-Particle Packed Bed and Determination of its Thermal Radiative Properties

Aldo Steinfeld, Sophia Haussener

American Society of Mechanical Engineers2009

Tomography-Based Heat and Mass Transfer Characterization of Reticulate Porous Ceramics for High-Temperature Processing

Aldo Steinfeld, Sophia Haussener

2009

Tomography-Based Analysis of Radiative Transfer in Reacting Packed Beds Undergoing a Solid-Gas Thermochemical Transformation

Aldo Steinfeld, Sophia Haussener

2009

Application of the spatial averaging theorem to radiative heat transfer in two-phase media

Aldo Steinfeld, Sophia Haussener

2009

HycycleS – A European- International Project on Carbon-Free Hydrogen Production

Aldo Steinfeld, Sophia Haussener

2009

A 300 W solar chemical pilot plant for the carbothermic production of zinc

In the framework of the EU-project SOLZINC, a 300-kW solar chemical pilot plant for the production of zinc by carbothermic reduction of ZnO was experimentally demonstrated in a beam-down solar tower concentrating facility of Cassegrain optical configuratio ...

2007

Modeling of a multi-tube solar reactor for hydrogen production at high temperatures

Aldo Steinfeld, Sophia Haussener

2007

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