Entwicklung eines Partikelverfahrens für reaktive Strömungen in verdünnten Gasen

H. Neunzert (), W. Sack () and G. Koppenwallner
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H. Neunzert: Institut für Techno— und Wirtschaftsmathematik (ITWM) e.V.
W. Sack: Hilti AG, Technisches Zentrum
G. Koppenwallner: Hyperschall Technologie Göttingen

A chapter in Mathematik Schlüsseltechnologie für die Zukunft, 1997, pp 35-47 from Springer

Abstract: Abstract A particle method for reactive rarefied gas flows is developed in order to solve the so-called Ludwig Heil equations, a system of generalized Boltzmann equations. They have to be taken into account to describe the re-entry of a space vehicle in the transition regime, intermediate between free molecular and continuum flow. The unknowns of these equations — the differential cross sections for various types of collisions — are modelled and related to measurable macroscopic quantities. This leads to an efficient simulation tool which is applied to calculate the flow inside a pitot pressure probe.

Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-60550-5_4

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DOI: 10.1007/978-3-642-60550-5_4

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