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Esser, Burkard und Gülhan, Ali und Kuhn, Markus (2007) Thermal qualification of transpiration cooling for atmospheric entry. In: Proceedings of the 1st CEAS European Air and Space Conference, Seiten 3205-3210. 1st CEAS European Air and Space Conference, 2007-09-10 - 2007-09-13, Berlin (Germany).
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Kurzfassung
In the arc heated facility LBK a transpiration cooling concept based on porous CMC material was qualified for application in external hypersonic flow, in particular for atmospheric entry. The experimental setup allowed a direct comparison of the thermal behaviour of transpiration cooling to a well-qualified passive thermal protection technology. Tests were performed for different coolants at various flow rates in order to identify the influence on cooling efficiency. Nitrogen, argon and helium were used as coolants. It was found that for a given configuration there is an optimal coolant flow rate for each coolant. These optimal coolant flow rates could be identified and compared for all coolants used.
| elib-URL des Eintrags: | https://elib.dlr.de/52439/ | ||||||||||||||||
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| Dokumentart: | Konferenzbeitrag (Vortrag) | ||||||||||||||||
| Titel: | Thermal qualification of transpiration cooling for atmospheric entry | ||||||||||||||||
| Autoren: |
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| Datum: | 10 September 2007 | ||||||||||||||||
| Erschienen in: | Proceedings of the 1st CEAS European Air and Space Conference | ||||||||||||||||
| Referierte Publikation: | Nein | ||||||||||||||||
| Open Access: | Nein | ||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||
| In SCOPUS: | Nein | ||||||||||||||||
| In ISI Web of Science: | Nein | ||||||||||||||||
| Seitenbereich: | Seiten 3205-3210 | ||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||
| Stichwörter: | atmospheric entry, thermal protection, high enthalpy flow, arc heated facility, active cooling, transpiration | ||||||||||||||||
| Veranstaltungstitel: | 1st CEAS European Air and Space Conference | ||||||||||||||||
| Veranstaltungsort: | Berlin (Germany) | ||||||||||||||||
| Veranstaltungsart: | internationale Konferenz | ||||||||||||||||
| Veranstaltungsdatum: | 2007-09-10 - 2007-09-13 | ||||||||||||||||
| Veranstalter : | Deutsche Gesellschaft für Luft- und Raumfahrt e.V. | ||||||||||||||||
| HGF - Forschungsbereich: | Verkehr und Weltraum (alt) | ||||||||||||||||
| HGF - Programm: | Weltraum (alt) | ||||||||||||||||
| HGF - Programmthema: | W RP - Raumtransport | ||||||||||||||||
| DLR - Schwerpunkt: | Weltraum | ||||||||||||||||
| DLR - Forschungsgebiet: | W RP - Raumtransport | ||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | W - Grundlagen Raumtransport - Innovativer Thermalschutz (alt) | ||||||||||||||||
| Standort: | Köln-Porz | ||||||||||||||||
| Institute & Einrichtungen: | Institut für Aerodynamik und Strömungstechnik | ||||||||||||||||
| Hinterlegt von: | UNGÜLTIGER BENUTZER | ||||||||||||||||
| Hinterlegt am: | 20 Dez 2007 | ||||||||||||||||
| Letzte Änderung: | 27 Apr 2009 14:35 |
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