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Baumann, Torsten und Zunft, Stefan (2013) A MOVING BED HEAT EXCHANGER FOR SOLAR THERMAL POWER APPLICATIONS: EXPERIMENTAL INVESTIGATION OF GRANULAR FLOW AND THERMAL PERFORMANCE. In: 8th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics. 8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics, 16. - 20. Juni 2013, Lissabon, Portugal.
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Kurzfassung
A Moving Bed Heat Exchanger for the generation of steam from solar heated granular materials is investigated with respect to flow behavior of the bulk and the thermal performance of the device. Two different tube bundle designs are investigated for this purpose. The tube bundle configuration is found to have a significant impact on the granular flow inside the device and thus on the heat transfer capabilities. The stagnant zone, developing on top of the heat exchanger tubes, limits the heat transfer in particular for high mass fluxes. An adapted tube arrangement, which takes into account the flow properties of the bulk, is found to increase the heat exchangers efficiency compared to a conventional configuration.
| elib-URL des Eintrags: | https://elib.dlr.de/83793/ | ||||||||||||
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| Dokumentart: | Konferenzbeitrag (Vortrag, Paper) | ||||||||||||
| Zusätzliche Informationen: | Die Proceedings sind auf einem USB-Stick veröffentlicht worden, bisher keine ISSN verfügbar | ||||||||||||
| Titel: | A MOVING BED HEAT EXCHANGER FOR SOLAR THERMAL POWER APPLICATIONS: EXPERIMENTAL INVESTIGATION OF GRANULAR FLOW AND THERMAL PERFORMANCE | ||||||||||||
| Autoren: |
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| Datum: | 2013 | ||||||||||||
| Erschienen in: | 8th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics | ||||||||||||
| Referierte Publikation: | Ja | ||||||||||||
| Open Access: | Nein | ||||||||||||
| Gold Open Access: | Nein | ||||||||||||
| In SCOPUS: | Nein | ||||||||||||
| In ISI Web of Science: | Nein | ||||||||||||
| Status: | veröffentlicht | ||||||||||||
| Stichwörter: | Moving Bed, CSP, TES, heat transfer, heat storage, granular flow | ||||||||||||
| Veranstaltungstitel: | 8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics | ||||||||||||
| Veranstaltungsort: | Lissabon, Portugal | ||||||||||||
| Veranstaltungsart: | internationale Konferenz | ||||||||||||
| Veranstaltungsdatum: | 16. - 20. Juni 2013 | ||||||||||||
| HGF - Forschungsbereich: | Energie | ||||||||||||
| HGF - Programm: | Rationelle Energieumwandlung und Nutzung (alt) | ||||||||||||
| HGF - Programmthema: | Energieeffiziente Prozesse (alt) | ||||||||||||
| DLR - Schwerpunkt: | Energie | ||||||||||||
| DLR - Forschungsgebiet: | E EV - Energieverfahrenstechnik | ||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | E - Thermochemische Prozesse (alt) | ||||||||||||
| Standort: | Stuttgart | ||||||||||||
| Institute & Einrichtungen: | Institut für Technische Thermodynamik > Thermische Prozesstechnik | ||||||||||||
| Hinterlegt von: | Baumann, Dr.Ing. Torsten | ||||||||||||
| Hinterlegt am: | 21 Aug 2013 11:57 | ||||||||||||
| Letzte Änderung: | 17 Jul 2014 13:40 |
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