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Optimisation of a Rocket Nozzle Side Load Reduction Device
Stark, R. and Génin, Ch. (2012) Optimisation of a Rocket Nozzle Side Load Reduction Device. In: Proceedings. 48th AIAA Joint Propulsion Conference, 30. Jul. - 1. Aug 2012, Atlanta, GA, USA.
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Abstract
The flow during transient startup and shutdown in all rocket engines operated on sea level under ambient conditions will separate inside the supersonic part of the nozzle. A separated nozzle flow is circumferential asymmetric distributed and induces high side loads. DLR carried out a cold flow subscale test campaign to study devices that can reduce the side loads during transient operation of a thrust optimised parabolic nozzle. A detailed parametrical study was performed and experimental data demonstrate the potential of the device to reduce the side loads.
| Document Type: | Conference or Workshop Item (Speech, Paper) | ||||||
|---|---|---|---|---|---|---|---|
| Title: | Optimisation of a Rocket Nozzle Side Load Reduction Device | ||||||
| Authors: |
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| Date: | 2012 | ||||||
| Journal or Publication Title: | Proceedings | ||||||
| Refereed publication: | Yes | ||||||
| In ISI Web of Science: | No | ||||||
| Status: | Published | ||||||
| Keywords: | nozzle flow, side loads, flow separation | ||||||
| Event Title: | 48th AIAA Joint Propulsion Conference | ||||||
| Event Location: | Atlanta, GA, USA | ||||||
| Event Type: | international Conference | ||||||
| Event Dates: | 30. Jul. - 1. Aug 2012 | ||||||
| Organizer: | AIAA | ||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||
| HGF - Program: | Raumfahrt | ||||||
| HGF - Program Themes: | R RP - Raumtransport | ||||||
| DLR - Research area: | Raumfahrt | ||||||
| DLR - Program: | R RP - Raumtransport | ||||||
| DLR - Research theme (Project): | R - Antriebsystemtechnik - Schubkammertechnologie | ||||||
| Location: | Lampoldshausen | ||||||
| Institutes and Institutions: | Institute of Space Propulsion > Raketenantriebe | ||||||
| Deposited By: | Chloe Nürnberger-Genin | ||||||
| Deposited On: | 08 Oct 2012 20:26 | ||||||
| Last Modified: | 04 Nov 2012 09:40 |
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