Computer Science
Scientific paper
Dec 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.533...55e&link_type=abstract
In: Proceedings of the First International Workshop on Radiation of High Temperature Gases in Atmospheric Entry, 8-10 October 20
Computer Science
Plasma Wind Tunnel, Space Missions: Entry Simulation
Scientific paper
The design of the plasma wind tunnel PWK3, its plasma generators IPG3 and IPG4 and experimental results using O2 and CO2 as operational gases are described. These conditions are presented to prove PWK3's ability to perform basic thermal protection system (TPS) material tests, e.g. with single gases of an atmosphere (thermochemical behavior, oxidation behavior, catalycity); entry simulation for interplanetary missions such as those to Mars and to demonstrate the ability to rebuild radiation test cases. In fact, this ability simplifies the re-building of selected emission and absorption experiments under high enthalpy conditions as the facility has a wide operational range(?) in terms of enthalpy but also regarding the generation of simplified radiation cases such as they are produced using single gases of an atmosphere. Hence, simplified versions, e.g. with pure oxygen (Earth), carbon dioxide (Mars, Venus) or nitrogen (Earth, Mars), of standard radiation test cases can be re-built. Besides these basic conditions, the real compositions can be used for the rebuilding of the reference test cases. Both the advanced facility and the applied plasma diagnostics enable the characterization of simulation conditions related to the atmospheric entries for Mars, Venus or Earth. The facility PWK3 has already been qualified for high enthalpy test cases using pure oxygen, pure nitrogen, air, pure carbon dioxide and carbon dioxide/nitrogen mixtures (Mars entry) such that the facility is destined for the characterization of plasma radiation.
Auweter-Kurtz Monika
Endlich P.
Herdrich G.
Löhle S.
Winter Mario
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