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Baumann, Torsten und Göhring, Felix und Stadler, Hannes und Doerbeck, Till (2017) Jülich Solar Power Tower – System Behavior During Downtime. In: AIP Conference Proceedings, 1850, 030004. American Institute of Physics. SolarPACES 2016, 2016-10-11 - 2016-10-14, Abu Dhabi, VAE. doi: 10.1063/1.4984347. ISSN 0094-243X.
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Offizielle URL: http://aip.scitation.org/doi/abs/10.1063/1.4984347
Kurzfassung
At the Jülich Solar Power Tower, two new shut-off dampers have been installed in the hot air piping system in order to reduce thermal losses during downtime of the plant. The thermodynamic behavior of the thermal energy storage and the steam boiler has been investigated with respect to heat losses after shut-down of the plant. Also, the change of temperature and the pressure drop at both shut-off dampers during downtime has been analyzed. Results show that for the storage, a reduction of thermal losses can be achieved by closing the damper overnight. Regarding the steam boiler, no improvements on heat losses were observed. If only two of the four storage chambers have been charged during operation, heat transfer between the chambers is observed after shut-down. It is concluded that natural convection is not the main source of thermal overnight losses, however, it can be lowered thanks to the dampers. Heat conduction and convectional heat transfer at the surfaces also contribute to the decrease of thermal energy, which can be lowered by thicker insulation layers in the future.
| elib-URL des Eintrags: | https://elib.dlr.de/115864/ | ||||||||||||||||||||
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| Dokumentart: | Konferenzbeitrag (Vortrag) | ||||||||||||||||||||
| Titel: | Jülich Solar Power Tower – System Behavior During Downtime | ||||||||||||||||||||
| Autoren: |
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| Datum: | 27 Juni 2017 | ||||||||||||||||||||
| Erschienen in: | AIP Conference Proceedings | ||||||||||||||||||||
| Referierte Publikation: | Ja | ||||||||||||||||||||
| Open Access: | Ja | ||||||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||||||
| In SCOPUS: | Ja | ||||||||||||||||||||
| In ISI Web of Science: | Nein | ||||||||||||||||||||
| Band: | 1850 | ||||||||||||||||||||
| DOI: | 10.1063/1.4984347 | ||||||||||||||||||||
| Seitenbereich: | 030004 | ||||||||||||||||||||
| Verlag: | American Institute of Physics | ||||||||||||||||||||
| ISSN: | 0094-243X | ||||||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||||||
| Stichwörter: | CSP, solar power tower, air, pressure drop, thermal energy storage, steam boiler | ||||||||||||||||||||
| Veranstaltungstitel: | SolarPACES 2016 | ||||||||||||||||||||
| Veranstaltungsort: | Abu Dhabi, VAE | ||||||||||||||||||||
| Veranstaltungsart: | internationale Konferenz | ||||||||||||||||||||
| Veranstaltungsbeginn: | 11 Oktober 2016 | ||||||||||||||||||||
| Veranstaltungsende: | 14 Oktober 2016 | ||||||||||||||||||||
| HGF - Forschungsbereich: | Energie | ||||||||||||||||||||
| HGF - Programm: | Erneuerbare Energie | ||||||||||||||||||||
| HGF - Programmthema: | Konzentrierende solarthermische Technologien | ||||||||||||||||||||
| DLR - Schwerpunkt: | Energie | ||||||||||||||||||||
| DLR - Forschungsgebiet: | E SW - Solar- und Windenergie | ||||||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | E - Neue Wärmeträgerfluide (alt) | ||||||||||||||||||||
| Standort: | Jülich | ||||||||||||||||||||
| Institute & Einrichtungen: | Institut für Solarforschung > Großanlagen und solare Materialien | ||||||||||||||||||||
| Hinterlegt von: | Göhring, Felix | ||||||||||||||||||||
| Hinterlegt am: | 30 Nov 2017 12:19 | ||||||||||||||||||||
| Letzte Änderung: | 24 Apr 2024 20:20 |
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- Jülich Solar Power Tower – System Behavior During Downtime. (deposited 30 Nov 2017 12:19) [Gegenwärtig angezeigt]
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