JAXA Repository / AIREX 未来へ続く、宙(そら)への英知

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Other TitleSpace experiment of Particle Accumulation Structures (PAS) in liquid bridge by MAXUS6
Author(jpn)河村 洋; 田中 志穂; 佐々木 幸枝; Schwabe, Dietrich
Author(eng)Kawamura, Hiroshi; Tanaka, Shiho; Sasaki, Yukie; Schwabe, Dietrich
Author Affiliation(jpn)東京理科大学; 東京理科大学; 東京理科大学; University of Giessen
Author Affiliation(eng)Tokyo University of Science; Tokyo University of Science; Tokyo University of Science; University of Giessen
Issue Date2005-03
PublisherInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)
Publication title宇宙利用シンポジウム 第21回 平成16年度
Space Utilization Research: Proceedings of the Twenty-first Space Utilization Symposium
Start page130
End page133
Publication date2005-03
AbstractSeeding the flow with tracer particles is a common way to visualize the flow in a half zone liquid bridge. In the experiments on the ground, these tracer particles were found to accumulate and form a rotating closed loop when the flow field is three dimensional, oscillatory and traveling. This structure was named the Twisted Loop Particle Accumulation Structure (TL-PAS). The present experiment conducted using the sounding rocket MAXUS6 which was launched on 22 November 2004 operated by ESA. The TL-PAS was firstly confined to emerge under the microgravity, too. The TL-PASs with mode number of 2 and 3 were formed successfully. Bottom and Side views of the TL-PAS were recorded. The analysis of the three dimensional structure will be followed.
KeywordsMarangoni convection; liquid bridge; particle accumulation structure; MAXUS6 sounding rocket; microgravity; Prandtl number; decane; half-zone method; oscillatory flow; convection; spaceborne experiment; マランゴニ対流; 液柱; 粒子集合; MAXAS6観測ロケット; 微小重力; プラントル数; デカン; ハーフゾーン法; 振動流; 対流; 在宇宙実験
Document TypeConference Paper
JAXA Categoryシンポジウム・研究会

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