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Heat and mass transfer in packed beds

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The article was published on 1982-01-01 and is currently open access. It has received 215 citations till now. The article focuses on the topics: Mass transfer.

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Materials Challenges for High Performance Magnetocaloric Refrigeration Devices

TL;DR: In this article, the phenomenology and fundamental thermodynamics of magnetocaloric materials are discussed, as well as the hysteresis behavior often found in first-order materials.
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TauFactor: An open-source application for calculating tortuosity factors from tomographic data

TL;DR: TauFactor is a MatLab application for efficiently calculating the tortuosity factor, as well as volume fractions, surface areas and triple phase boundary densities, from image based microstructural data, without requiring high computational power.
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A review on experience feedback and numerical modeling of packed-bed thermal energy storage systems

TL;DR: In this article, the authors summarize the key aspects of packed-bed thermal energy storage systems and compare the performance of different types of thermal storage systems, including two-tank molten salt technology and thermal stratification.
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The Prediction of the Emissivity and Thermal Conductivity of Powder Beds

TL;DR: In this article, a simple model for estimating the emissivity of the surface of a powder bed by knowing only the bed porosity and its solid emissivities is presented, and the model is compared with experimental measurements for powder beds of alumina, silicon carbide, and iron.
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Mass-Transfer Properties of Microbubbles. 1. Experimental Studies

TL;DR: In this paper, the authors used a laser-diffraction technique to determine the interfacial area per unit gas volume, a.k.a. KL, for a synthesis-gas fermentation.
References
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Journal ArticleDOI

Predicting the Performance of an Active Magnetic Regenerator Refrigerator Used for Space Cooling and Refrigeration

TL;DR: In this paper, a numerical model capable of predicting the practical limits of active magnetic regenerative refrigeration (AMRR) systems is presented, which treats the regenerator bed as a one-dimensional matrix of magnetic material with a spatial variation in Curie temperature and, therefore, magnetic properties.
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Simplified modeling of active magnetic regenerators

TL;DR: In this article, a simplified model for predicting the general trends of active magnetic regenerator devices is presented, where the regenerator has sufficiently high convective interaction such that a one-phase regenerator approximation is sufficient.
Journal ArticleDOI

Thermal performance analysis and optimization of multiple stage latent heat storage unit based on entransy theory

TL;DR: In this paper, a one dimensional transient model for HTF and PCM capsules is developed to predict the cold storage performance of a cascaded cold storage unit, and the thermal resistance based upon entransy dissipation is also derived as a criterion to optimize the system.

Beyond local equilibrium : relaxing local equilibrium assumptions in multiphase flow in porous media

Philipp Nuske
TL;DR: In this article, the authors developed a toolbox of models and methods allowing the study of local non-equilibrium effects in multiphase flow in porous media based on a pore-network model.

Diffusion in zeolites : towards a microscopic understanding

TL;DR: A submitted manuscript is the author's version of the article upon submission and before peer-review as mentioned in this paper, and the final published version features the final layout of the paper including the volume, issue and page numbers.