One-dimensional shock characteristics in weakly ionized gases

Erich Kunhardt, Richard Saeks, John Mankowski, Charles Suchomel

Research output: Contribution to conferencePaperpeer-review

Abstract

An experimental,research program designed to evaluate the effect of a weakly ionized gas on a propagating shock wave is described. This research was performed in a “large” diameter (4”) shock tube at “near” room temperature (314 K) in 20 Torr Helium, usjng an acoustic pressure se&or to measure the intensity of the shock wave. The initial results from this program indicate that the intensity of the shock is reduced by 25-50% when the Helium is weakly ionized, with ionization fractions on the order of 10-8, while no significant changes in the shock propagation speed are observed.

Original languageEnglish
Pages1-8
Number of pages8
DOIs
StatePublished - 1999
Event9th International Space Planes and Hypersonic Systems and Technologies Conference, 1999 - Norfolk, United States
Duration: Nov 1 1999Nov 4 1999

Conference

Conference9th International Space Planes and Hypersonic Systems and Technologies Conference, 1999
CountryUnited States
CityNorfolk
Period11/1/9911/4/99

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