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Velocity in a Seeded Free Jet Core System

Fritsche, B. and Legge, H. (1993) Velocity in a Seeded Free Jet Core System. DLR-Interner Bericht. 222 - 93 A 03, 18 S.

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Abstract

The velocity of pure gases and mixtures of N 2 + He and N 2 in a hypersonic free jet and in a free jet core skimmed in continuum flow was measured by a pulsed electron beam - ion time of flight technique. The velocity was always found near the theoretical limiting value for large Mach numbers even if oblique shocks, resulting from the skimmer of from the background pressure in the free jet core chamber, crossed the flow. These shocks in rarefied flow could be helpful for an enrichment of the heavy component in this special seeded beam technique, when a second skimmer works in free molecular flow.

Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1993,
Title:Velocity in a Seeded Free Jet Core System
Authors:
AuthorsInstitution or Email of Authors
Fritsche, B.UNSPECIFIED
Legge, H.UNSPECIFIED
Date:1993
Number of Pages:18
Status:Published
Keywords:Rarefied flow, Free jets, Seeded beam, Gas mixtures, Velocity measurements, Electron beam technique
HGF - Research field:UNSPECIFIED
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:no assignment
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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