THERMAL SCIENCE

International Scientific Journal

Authors of this Paper

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Sabrina Dusek

,

Rene Hofmann

A HYBRID ENERGY STORAGE CONCEPT FOR FUTURE APPLICATION IN INDUSTRIAL PROCESSES

ABSTRACT
The efficiency of many industrial processes, applying steam as heat transfer medium, can be increased by integrating Ruths steam accumulator. This component makes it possible to store surplus steam for consumption at later time, whereby high loading and unloading rates can be realized with this storage type. For improving this storage type in terms of storage capacity and application range a hybrid storage approach is presented. The concept combines a Ruths steam storage with phase change material and electrical heating elements. For a first analysis of the interaction between the Ruths steam accumulator and the phase change material, which surrounds the steam storage vessel, a dynamic model was created. Also, an example which consist of a charging, storing, and discharging phase is presented. The simulation results show a positive impact in terms of storage capacity. Therefore, the hybrid storage concept is a promising approach for integration in industrial processes.
KEYWORDS
hybrid storage, Ruths steam accumulator, phase change material, thermal energy storage, dynamic model, storage capacity, electrical heating element, power to heat
PAPER SUBMITTED: 2017-12-30
PAPER REVISED: 2018-04-10
PAPER ACCEPTED: 2018-04-11
PUBLISHED ONLINE: 2018-09-23
DOI REFERENCE: https://doi.org/10.2298/TSCI171230270D
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2018, VOLUME 22, ISSUE Issue 5, PAGES [2235 - 2242]
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A hybrid energy storage concept for future application in industrial processes

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