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Response of the Patterson probe in the transition flow regime

Grabe, Martin (2012) Response of the Patterson probe in the transition flow regime. AIP| Conference Proceedings|1501 (1188). American Institute of Physics. doi: 10.1063/1.4769676. ISBN 978-0-7354-1115-9. ISSN 0094-243X.

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Official URL: http://dx.doi.org/10.1063/1.4769676


The free-molecular impact pressure probe, also known as Patterson probe, is known and applied for more than half a century now to deduce the number flux of a single species in highly rarefied inert flow. While the working principle is conceptually simple, interpretation of the gauge readings may not be, but approximate formulas for evaluation exist. In the context of cold-gas plume flow and interaction experiments with the obvious large variations in Mach and Knudsen numbers, it may not be clear initially, whether the signals measured with the Patterson probe are obtained in free-molecular flow environment, and hence, whether the mentioned evaluation techniques may be employed. A series of numerical experiments have been conducted using the Direct Simulation Monte-Carlo method, to study the response of the Patterson probe to prescribed free-stream conditions in the transitional flow regime. From the computational results we infer analytical expressions that describe the probe response in transitional regime at zero angle of attack.

Item URL in elib:https://elib.dlr.de/90654/
Document Type:Editorship of Proceedings
Additional Information:Published online: 27 November 2012
Title:Response of the Patterson probe in the transition flow regime
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Grabe, MartinUNSPECIFIEDhttps://orcid.org/0000-0003-0361-2734UNSPECIFIED
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In ISI Web of Science:No
Page Range:pp. 1188-1195
Publisher:American Institute of Physics
Series Name:AIP| Conference Proceedings|1501
Keywords:Environmental impacts, High pressure, Mach numbers, Monte Carlo methods
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transportation
DLR - Research area:Raumfahrt
DLR - Program:R RP - Space Transportation
DLR - Research theme (Project):R - Raumfahrzeugsysteme - Numerische Verfahren und Simulation (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Spacecraft
Deposited By: Micknaus, Ilka
Deposited On:12 Dec 2014 14:08
Last Modified:24 Apr 2024 19:56

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