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Electron Beam Technique: A Review for Wind Tunnel Application

Dankert, C. and Boettcher, R.-D. and Gundlach, G. (1994) Electron Beam Technique: A Review for Wind Tunnel Application. DLR-Interner Bericht. 223 - 94 A 12, 59 S.

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Abstract

A description of the principles and problems arising with electron beam application in rarefied gas dynamics is given. The electron beam technique can provide measurements of gas density, temperatures (rotational and vibrational), and velocity in several gas species. In this paper temperature measurement of nitrogen is reviewed. In addition the ion tracing method is introduced; the flow velocity is substantially derived from a time-of-flight measurement of ions, produced by a short-pulsed high energy electron beam. Several examples of electron beam application to supersonic wind tunnels are demonstrated. Finally the twodimensional flow visualization is discussed.

Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1994,
Title:Electron Beam Technique: A Review for Wind Tunnel Application
Authors:
AuthorsInstitution or Email of Authors
Dankert, C.UNSPECIFIED
Boettcher, R.-D.UNSPECIFIED
Gundlach, G.UNSPECIFIED
Date:1994
Number of Pages:59
Status:Published
Keywords:Electron Beam, Non-Intrusive Measurement, Temperature Measurement, Velocity Measurement, Hypersonic Flow, Time-of-Flight Measurement, Wind Tunnel Instrumentation
HGF - Research field:UNSPECIFIED
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:UNSPECIFIED
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik > Institut für Experimentelle Strömungsmechanik
Deposited By: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:07

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