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Analysis of steam storage systems using Modelica

Buschle, Jochen and Steinmann, Wolf-Dieter and Tamme, Rainer (2006) Analysis of steam storage systems using Modelica. In: Proceedings 5th Modelica Conference 2006. 5th International Modelica Conference 2006, 2006-09-04 - 2006-09-05, Vienna, Austria.

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Official URL: http://www.modelica.org/events/modelica2006

Abstract

Industrial process heat applications have been identified as a promising new area of application for thermal energy storage systems. Storage systems offer not only the reuse of thermal energy in cyclic processes which facilitates the integration of solar energy due to the availability of storage capacity. The bulk of process heat applications require steam at pressures between 1 and 20. While the application of phase change materials (PCMs) is straightforward for isothermal energy storage, no commercial system is available in this temperature range today. Modelica is used to analyse different kinds of steam storage systems for applications in power plants and process industry. The analysis includes varying pressure steam accumulators, which are state of the art, and a novel kind of steam accumulator with a phase change material (PCM). For the analysis of steam accumulators a vertical discretisation of the storage vessel is elemental. Based on the Fluid and Media Library models for the simulation of multiphase flows are developed. The drainage and flooding of volumes can be reproduced as well as the vertical stacking. Based on the media library a general multiphase media package is build for the handling of multiphase applications.

Item URL in elib:https://elib.dlr.de/47205/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Analysis of steam storage systems using Modelica
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Buschle, JochenUNSPECIFIEDUNSPECIFIED
Steinmann, Wolf-DieterUNSPECIFIEDUNSPECIFIED
Tamme, RainerUNSPECIFIEDUNSPECIFIED
Date:September 2006
Journal or Publication Title:Proceedings 5th Modelica Conference 2006
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Editors:
EditorsEmail
Modelica Association, UNSPECIFIED
Status:Published
Keywords:thermal energy storage; steam accumulator; phase change material
Event Title:5th International Modelica Conference 2006
Event Location:Vienna, Austria
Event Type:international Conference
Event Dates:2006-09-04 - 2006-09-05
Organizer:arsenal research
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:E SF - Solar research (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Thermische Energiespeicher (old)
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Thermal Process Technology
Deposited By: Buschle, Jochen
Deposited On:06 Feb 2007
Last Modified:31 Jul 2019 19:18

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