Computer Science – Performance
Scientific paper
Aug 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001esasp.471..613h&link_type=abstract
In: 15th ESA Symposium on European Rocket and Balloon Programmes and Related Research, 28 - 31 May 2001, Biarritz, France. Ed.:
Computer Science
Performance
Earth Stratosphere, Grab Sampler
Scientific paper
From 1996 to 1999, a stratospheric air sampling was successfully carried out at Japanese Antarctic base, Syowa Station (69°S, 40°E). A main experiment was cryo sampling and grab sampling experiments were performed as a part of the project. The grab samplers equip one or two sample bottles, and 11 kg or 14 kg in weight, respectively. The sampler can collect enough amounts of air at 25 km altitude to analyze minor constituents such as CO2 and CH4. The samplers and ballooning facilities were designed simple, handy and reliable so that they can be launched, tracked and recovered by untrained personnel. Utilizing the GPS positioning, an onboard system and recovery operation have become simple and easy. In this paper the design and functions of the two types of samplers and flight performance are described. Another application of the grab sampler which is capable for recovering on the sea is also presented.
Hashida Gen
Honda Hideyuki
Morimoto Shinji
Nakazawa Takakiyo
Yajima Nobuyuki
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