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Böhrk, Hannah und Kuhn, Markus und Weihs, Hendrik (2009) Concept of the Heat Balance of the Transpiration-Cooled Heat Shield Experiment AKTiV on SHEFEX II. 6th European Workshop on Thermal Protection Systems & Hot Structures, 2009-04-01 - 2009-04-03, Stuttgart, Deutschland.
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Kurzfassung
Active cooling systems are of interest for use in severe thermal environments. The present paper introduces the heat balance concept to be applied to the transpiration cooling of re-entry vehicles. The cooling mechanisms are described in detail and in order to pre-estimate the cooling efficiency of the transpiration, a heat balance is to be derived. The strategy adopts an analytical method and presents in the paper the first results, including the expected heat flux to a tilted heat shield of a vehicle. Parts of the theoretical approach will be compared to the experimental and numerical results, showing that good results are obtained for laminar flow.
| elib-URL des Eintrags: | https://elib.dlr.de/60923/ | ||||||||||||||||
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| Dokumentart: | Konferenzbeitrag (Paper) | ||||||||||||||||
| Titel: | Concept of the Heat Balance of the Transpiration-Cooled Heat Shield Experiment AKTiV on SHEFEX II | ||||||||||||||||
| Autoren: |
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| Datum: | 2009 | ||||||||||||||||
| Referierte Publikation: | Nein | ||||||||||||||||
| Open Access: | Nein | ||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||
| In SCOPUS: | Nein | ||||||||||||||||
| In ISI Web of Science: | Nein | ||||||||||||||||
| Stichwörter: | transpiration porous porös permeab* re-entry wiedereintritt heat shield hitzeschild | ||||||||||||||||
| Veranstaltungstitel: | 6th European Workshop on Thermal Protection Systems & Hot Structures | ||||||||||||||||
| Veranstaltungsort: | Stuttgart, Deutschland | ||||||||||||||||
| Veranstaltungsart: | internationale Konferenz | ||||||||||||||||
| Veranstaltungsbeginn: | 1 April 2009 | ||||||||||||||||
| Veranstaltungsende: | 3 April 2009 | ||||||||||||||||
| Veranstalter : | ESA / IRS / DLR | ||||||||||||||||
| 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 - SHEFEX Programm (alt) | ||||||||||||||||
| Standort: | Stuttgart | ||||||||||||||||
| Institute & Einrichtungen: | Institut für Bauweisen- und Konstruktionsforschung > Raumfahrt- System- Integration | ||||||||||||||||
| Hinterlegt von: | Böhrk, Hannah | ||||||||||||||||
| Hinterlegt am: | 03 Dez 2009 10:31 | ||||||||||||||||
| Letzte Änderung: | 24 Apr 2024 19:25 |
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