Physics
Scientific paper
Aug 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.590..191s&link_type=abstract
In: 17th ESA Symposium on European Rocket and Balloon Programmes and Related Research, 30 May - 2 June 2005, Sandefjord, Norway.
Physics
Earth Atmosphere, Temperatures
Scientific paper
We have developed a new rocket-borne electron probe for measurements of electron temperature in the mesosphere and lower thermosphere. The technique is based on the assumption that a thermal equilibrium between electrons and neutrals exists in this region. We can then determine the neutral air temperature with a height resolution of a few hundred meters. Here, we present the measurement principle and the method of converting the measured electron temperature to neutral temperature. Since effects of the supersonically moving payload influence on the measurements, this must be accounted for accordingly in the conversion procedure. For this purpose we have performed aerodynamic simulations to characterize the flow around the probe, and we apply this to the temperature conversion. Data from a flight conducted from Ny-Ålesund, Svalbard in July 2003 has been used to test the method, and the first results will be presented here.
Blix Tom Arild
Gumbel Jörg
Hoppe Ulf-Peter
Strelnikov Boris
Svenes K. R.
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