Search Results - "Petrasch, Jörg"
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X-ray micro tomography of three-dimensional embroidered current collectors for lithium-ion batteries
Published in Journal of power sources (29-02-2016)“…X-ray micro computed tomography (μCT) is used for the morphological characterization of three-dimensional (3D) embroidered current collectors for LiFePO4…”
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2
Thermal Reduction of Iron Oxide under Reduced Pressure and Implications on Thermal Conversion Efficiency for Solar Thermochemical Fuel Production
Published in Industrial & engineering chemistry research (08-07-2015)“…Successful implementation of solar thermochemical metal oxide water splitting cycles is dependent upon the ability to reach low partial pressures of oxygen…”
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3
Settlements, migration and the break of tradition: The settlement patterns of the Earliest Bandkeramik and the LBK and the formation of a neolithic lifestyle in Western Central Europe
Published in Quaternary international (20-09-2020)“…The scientific discussion about the spread of the Neolithic into Western Central Europe is usually dominated by analyses of ceramics, chert and archaeobotany…”
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4
Tomography based determination of permeability, Dupuit–Forchheimer coefficient, and interfacial heat transfer coefficient in reticulate porous ceramics
Published in The International journal of heat and fluid flow (01-02-2008)“…A computer tomography based methodology is applied to determine the transport properties of fluid flow across porous media. A 3D digital representation of a…”
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5
Tetrahedral mesh generation based on space indicator functions
Published in International journal for numerical methods in engineering (09-03-2013)“…SUMMARY An algorithm for the generation of tetrahedral volume meshes is developed for highly irregular objects specified by volumetric representations such as…”
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6
Dynamics and control of solar thermochemical reactors
Published in Chemical engineering journal (Lausanne, Switzerland : 1996) (2009)“…A general dynamic model for solar-driven thermochemical processes is formulated based on unsteady mass and energy conservation equations coupled to the…”
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A transient heat transfer model for high temperature solar thermochemical reactors
Published in International journal of hydrogen energy (30-01-2016)“…We present a heat transfer model for energy transport in a solar thermochemical reactor for CO2 and/or H2O splitting to produce chemical fuels CO and/or H2…”
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State estimation of resistive domestic hot water heaters in arbitrary operation modes for demand side management
Published in Thermal science and engineering progress (01-03-2019)“…•State estimation of domestic hot water heaters based on a retrofitable sensor setup.•Evaluation of accuracy, robustness, and runtime for standard thermal…”
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Autonomous optimal control for demand side management with resistive domestic hot water heaters using linear optimization
Published in Energy and buildings (01-08-2015)“…•We consider domestic hot water heaters for autonomous demand side management.•We propose linear optimization based on one-way communicated incentives.•A…”
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10
A coupled transport model for water splitting within a porous metal oxide thermochemical reactor using the random walk particle tracking method
Published in International journal of hydrogen energy (13-04-2015)“…Water splitting using an iron-based looping processes is a promising method to produce high purity hydrogen. The cyclical, heterogeneous oxidation and…”
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Experimental demonstration of high-temperature (>1000 °C) heat extraction from a moving-bed oxidation reactor for thermochemical energy storage
Published in Applied energy (01-11-2023)“…Previously developed reduction-oxidation (redox) thermochemical energy storage technologies must store their products at high temperatures, complicating…”
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Field testing of demand side management via autonomous optimal control of a domestic hot water heater
Published in Energy and buildings (01-09-2016)“…•Real world field testing of autonomous DSM approach with domestic hot water heaters.•Implementation of data acquisition and on-site optimization routines on a…”
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13
Tomography based pore-level optimization of radiative transfer in porous media
Published in International journal of heat and mass transfer (01-11-2011)“…A non-energy-partitioning Monte Carlo Ray Tracing (MCRT) model is employed to optimize radiative transfer in porous media. The pore level geometry is…”
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14
Dynamics of a solar thermochemical reactor for steam-reforming of methane
Published in Chemical engineering science (01-08-2007)“…A nonlinear dynamic model is developed for a steam/methane-reforming reactor that uses concentrated solar radiation as the source of high-temperature process…”
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15
Micro-Tomographic Investigation of Ice and Clathrate Formation and Decomposition under Thermodynamic Monitoring
Published in Materials (08-08-2016)“…Clathrate hydrates are inclusion compounds in which guest molecules are trapped in a host lattice formed by water molecules. They are considered an interesting…”
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16
Integrated solar thermochemical cycles for energy storage and fuel production
Published in Wiley interdisciplinary reviews. Energy and environment (01-11-2012)“…Integrated solar thermochemical cycles comprise a range of promising novel process technologies that use concentrated solar energy to drive endothermic…”
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17
Discrete vs. continuum-scale simulation of radiative transfer in semitransparent two-phase media
Published in Journal of quantitative spectroscopy & radiative transfer (01-06-2011)“…The mathematical formulation of the continuum approach to radiative transfer modeling in two-phase semi-transparent media is numerically validated by comparing…”
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18
Widespread exploitation of the honeybee by early Neolithic farmers
Published in Nature (London) (12-11-2015)“…Detection of molecular biomarkers characteristic of beeswax in pottery vessels at archaeological sites reveals that humans have exploited bee products (such as…”
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Tomography-Based Multiscale Analyses of the 3D Geometrical Morphology of Reticulated Porous Ceramics
Published in Journal of the American Ceramic Society (01-08-2008)“…X‐ray microtomography with a digital resolution of 30 μm and synchrotron submicrometer tomography with a digital resolution of 350/700 nm are performed on…”
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20
Höhlenarchäologie auf der Schwäbischen Alb
Published in Archäologie in Deutschland (01-11-2008)“…Die Schwäbische Alb ist das größte zusammenhängende und mit über 2000 Höhlen auch das höhlenreichste Karstgebiet Deutschlands. Ihre 250 archäologischen…”
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