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Directly irradiated rotary kiln for thermochemical heat storage

Ulcyfer, Alexander Witold (2013) Directly irradiated rotary kiln for thermochemical heat storage. Master's, RWTH Aachen.

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Abstract

The present thesis treats the design and construction of a thermochemical heat storage for solar power plants. Furthermore, a simulation model in ANSYS, which is used to show a chemical reaction inside the storage. The rst part is about the completion of a directly irradiated rotary kiln, where the heat is stored in a redox reaction reducing cobalt (II,III) oxide to cobalt (II) oxide. The process is continuous and the reduced material is stored in a tank. The second part of the thesis is dedicated to the development and the design of the oxidation tank, where the heat is released by oxidising the cobalt (II) oxide. This tank is also used for collecting the material and it is therefore connected to the rotary kiln. The last part treats the development of a simulation model. Therefore, the packed bed in the oxidation tank is modelled as a porous medium and a transient calculation is performed, in order to validate the presented model.

Item URL in elib:https://elib.dlr.de/85166/
Document Type:Thesis (Master's)
Title:Directly irradiated rotary kiln for thermochemical heat storage
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Ulcyfer, Alexander WitoldDLR SF-SOLUNSPECIFIED
Date:September 2013
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:109
Status:Published
Keywords:Concentrated solar Radiation, Rotary kiln, Simulation, redox cycles
Institution:RWTH Aachen
Department:School of mechanical engineering, Institute of solar research
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Systems (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Solare Verfahrenstechnik (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Solare Verfahrenstechnik
Deposited By: Sattler, Prof. Dr. Christian
Deposited On:15 Nov 2013 11:37
Last Modified:15 Nov 2013 11:37

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