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State and state of charge estimation for a latent heat storage

  • A nonlinear state observer is designed for a thermal energy storage with solid/liquid phase change material (PCM). Using a physical 2D dynamic model, the observer reconstructs transient spatial temperature fields inside the storage and estimates the stored energy and the state of charge. The observer has been successfully tested with a lab-scale latent heat storage with a single pass tube bundle and the phase change material located in a shell around each tube. It turns out that the observer robustly tracks the real process data with as few as four internal PCM temperature sensors. © 2017 Elsevier Ltd. All rights reserved.

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Metadaten
Author:Tilman Barz, Dominik Seliger, Klemens Marx, Andreas Sommer, Sebastian F. Walter, Hans Georg Bock, Stefan Koerkel
DOI:https://doi.org/10.1016/j.conengprac.2017.11.006
Parent Title (English):Control Engineering Practice
Publisher:Pergamon-Elsevier d.
Document Type:Article
Language:English
Year of first Publication:2018
Release Date:2022/04/05
Tag:Heat conduction in cylindrical shell; Kalman filter; Latent heat thermal energy storage (LHTES); MODEL; Nonlinear state observer; OF-THE-ART; Orthogonal collocation; PCM; PERFORMANCE ENHANCEMENT TECHNIQUES; PHASE-CHANGE MATERIAL; POLYETHYLENE; Reduced model; SYSTEMS; Solidification; State of charge (SOC); THERMAL-ENERGY STORAGE; simulation
Volume:72
First Page:151
Last Page:166
Institutes:Fakultät Informatik und Mathematik
Begutachtungsstatus:peer-reviewed
research focus:Energie und Mobilität
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG