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Schülein, Erich and Zheltovodov, Alexander (2011) Effects of steady flow heating by arc discharge upstream of non-slender bodies. Shock Waves, Vol. 21 (4), pp. 383-396. Springer. doi: 10.1007/s00193-011-0307-1. ISSN 0938-1287.
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Official URL: http://www.springer.com
Abstract
Influence of steady energy addition into the flow by low-voltage DC-arc discharge located upstream of conically-nosed and spherically-blunted bodies was investigated experimentally in the Ludwieg-Tube Facility at Mach 5. The results include drag force measurements and shadowgraph flow visualizations. The flow-field structure, arising due to the bow-shock / heated-wake interaction, as well as the bow-shock intensity and heating power effects on the drag reduction are analyzed in this paper. The results demonstrate the existence of an optimum heating rate, providing a maximum effectiveness of energy addition and showing a distinct drag reductions up to 70% dependent on test conditions and model geometries.
| Item URL in elib: | https://elib.dlr.de/57047/ | ||||||||||||
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| Document Type: | Article | ||||||||||||
| Additional Information: | Published online: 26 February 2011 | ||||||||||||
| Title: | Effects of steady flow heating by arc discharge upstream of non-slender bodies | ||||||||||||
| Authors: |
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| Date: | 2011 | ||||||||||||
| Journal or Publication Title: | Shock Waves | ||||||||||||
| Refereed publication: | Yes | ||||||||||||
| Open Access: | No | ||||||||||||
| Gold Open Access: | No | ||||||||||||
| In SCOPUS: | Yes | ||||||||||||
| In ISI Web of Science: | Yes | ||||||||||||
| Volume: | Vol. 21 | ||||||||||||
| DOI: | 10.1007/s00193-011-0307-1 | ||||||||||||
| Page Range: | pp. 383-396 | ||||||||||||
| Publisher: | Springer | ||||||||||||
| ISSN: | 0938-1287 | ||||||||||||
| Status: | Published | ||||||||||||
| Keywords: | Bow shock, Wave drag, Shock-wave/heated-wake interaction, Recirculation bubble, Flow unsteadiness | ||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||
| HGF - Program: | Aeronautics | ||||||||||||
| HGF - Program Themes: | Aircraft Research (old) | ||||||||||||
| DLR - Research area: | Aeronautics | ||||||||||||
| DLR - Program: | L AR - Aircraft Research | ||||||||||||
| DLR - Research theme (Project): | L - Military Technologies (old) | ||||||||||||
| Location: | Göttingen | ||||||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > High Speed Configurations | ||||||||||||
| Deposited By: | Schülein, Dr.rer.nat. Erich | ||||||||||||
| Deposited On: | 19 Dec 2008 | ||||||||||||
| Last Modified: | 10 Jan 2019 15:50 |
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