Experimental and Analytical Design Verification of the Dual-Bell Concept
Hagemann, G. and Terhardt, M. and Haeseler, D. and Frey, M. (2000) Experimental and Analytical Design Verification of the Dual-Bell Concept. In: 36th Joint Propulsion Conference and Exhibit. 36th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Huntsville, AL, July 17-19, 2000.
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The dual-bell nozzle concept has been investigated by means of analytical and experimental work. Based on earlier analytical and numerical work published by the authors, different dual-bell nozzles were designed and experimentally tested, in order to explore this concept regarding its aerodynamic characteristics. This experimental work included cold gas subscale tests and hot gas subscale tests, which were performed within a joint German/Russian Research Programme TEHORA, and complementary in the German National Technology Programme TEKAN. It is shown that depending on the type of nozzle contour used for the dual-bell nozzle extension, a sudden transition from sea-level to altitude mode operation can be achieved. Furthermore, important information from the hot gas tests regarding the wall heat transfer were gained.
|Document Type:||Conference or Workshop Item (Paper)|
|Additional Information:||LIDO-Berichtsjahr=2000, monograph_id=AIAA 2000-3778,|
|Title:||Experimental and Analytical Design Verification of the Dual-Bell Concept|
|Journal or Publication Title:||36th Joint Propulsion Conference and Exhibit|
|Keywords:||Dual bell nozzle, altitude adaptation, flow separation, advanced nozzles|
|Event Title:||36th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Huntsville, AL, July 17-19, 2000|
|Organizer:||American Institute of Aeronautics and Astronautics|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W RP - Raumtransport|
|DLR - Research area:||Space|
|DLR - Program:||W RP - Raumtransport|
|DLR - Research theme (Project):||E -- no assignement|
|Institutes and Institutions:||Institute of Space Propulsion|
|Deposited By:||Monika Lohmiller|
|Deposited On:||16 Sep 2005|
|Last Modified:||06 Jan 2010 13:50|
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