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Simulation of a Sensible Heat Thermal Energy Storage System for Solar Thermal Power Plants

Odenthal , Christian and Steinmann, Wolf-Dieter and Eck, Markus and Laing, Doerte (2013) Simulation of a Sensible Heat Thermal Energy Storage System for Solar Thermal Power Plants. Thermodynamik Kolloquium, Hamburg.

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An innovative storage concept is proposed here that uses an intermediate air cycle to transfer heat from a primary working fluid to a cost effective solid sensible storage material. The intermediate working fluid can be brought into direct contact with the storage material, allowing high heat transfer rates. The intermediate working fluid receives the energy from the primary working fluid through a heat exchanger. The proposed storage system has a different dynamic behavior than state of the art two-tank molten salt storage system. Hence, dynamic models of the storage system and a SEGS-like solar thermal power plant have been implemented in a Matlab/Simulink environment to analyze its performance theoretically. A 75 kW pilot scale experimental storage system has been set up to provide data for model validation. The poster describes the implementation of the component models and the comparison with experimental data.

Item URL in elib:https://elib.dlr.de/85095/
Document Type:Conference or Workshop Item (Poster)
Title:Simulation of a Sensible Heat Thermal Energy Storage System for Solar Thermal Power Plants
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Odenthal , ChristianTTUNSPECIFIED
Steinmann, Wolf-DieterTTUNSPECIFIED
Date:October 2013
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Wärmespeicher, Thermische Speicher, CellFlux
Event Title:Thermodynamik Kolloquium
Event Location:Hamburg
Event Type:national Conference
HGF - Research field:Energy
HGF - Program:Efficient Energy Conversion and Use (old)
HGF - Program Themes:Energy-efficient Processes (old)
DLR - Research area:Energy
DLR - Program:E EV - Energy process technology
DLR - Research theme (Project):E - Thermochemische Prozesse (old)
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Thermal Process Technology
Deposited By: Odenthal, Christian
Deposited On:06 Nov 2013 10:33
Last Modified:08 May 2014 23:25

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