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Satoshi Matsumoto
Japan Aerospace Exploration Agency
ConvectionPhysicsChemistryMarangoni effectClassical mechanics
94Publications
9H-index
309Citations
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Publications 88
Newest
#1Yuki KoyanoH-Index: 4
#2Hiroyuki KitahataH-Index: 18
Last. Yutaka AsanumaH-Index: 11
view all 8 authors...
The two mixing processes of a fluid, the agitation and diffusion, are often considered separately since they are dominant in different spatial scales. However, the recent experimental results indicate that the diffusion is enhanced by a time-reversible flow induced inside a levitated droplet [Watanabe et al. Sci. Rep. 8, 10221 (2018)]. In the present paper, we focus on the diffusion process coupled with the oscillatory flow, which cannot convect the solutes in time average. We theoretically deri...
#1Akira Umemura (Nagoya University)H-Index: 12
#2Jun Osaka (Nagoya University)H-Index: 3
Last. Wataru Ono (Chiyoda Corporation)
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A series of International Space Station (ISS) experiments were conducted to observe the disintegration feature of a water jet issued from an orifice/nozzle into atmospheric air. The purpose was to validate our proposal that any laminar liquid jet can spontaneously disintegrate by its own self-destabilizing loop formed along the jet. This paper reports the experiment results focusing on a water jet issued from a nozzle with a radius 0.4 mm and length 120 mm, in which the parabolic velocity profil...
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#1Toshiki Kitahara (University of Tsukuba)
#1T. Kitahara (University of Tsukuba)H-Index: 4
Last. Akiko Kaneko (University of Tsukuba)H-Index: 8
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Abstract Thermocapillary-driven convection in a hanging droplet is experimentally investigated under normal- and micro-gravity conditions. A droplet is hung on a heated cylindrical rod facing downward, and another rod cooled is placed just beneath the droplet to create the designated temperature difference between both ends of the droplet. A transition of the flow field from a two-dimensional axisymmetric ‘steady’ flow to three-dimensional time-dependent ‘oscillatory’ ones by increasing temperat...
2 CitationsSource
#1Taishi Yano (Yokohama National University)H-Index: 8
#2Koichi Nishino (Yokohama National University)H-Index: 18
Last. Nobuyuki Imaishi (Kyushu University)H-Index: 22
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This paper reports an overview and some important results of microgravity experiments called Dynamic Surf, which have been conducted on board the International Space Station from 2013 to 2016. The present project mainly focuses on the relations between the Marangoni instability in a high-Prandtl-number (Pr= 67 and 112) liquid bridge and the dynamic free surface deformation (DSD) as well as the interfacial heat transfer. The dynamic free surface deformations of large-scale liquid bridges (say, fo...
6 CitationsSource
#1Taishi Yano (Yokohama National University)H-Index: 8
#2Koichi Nishino (Yokohama National University)H-Index: 18
Last. Nobuyuki Imaishi (Kyushu University)H-Index: 22
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#1Toru Murano (University of Tsukuba)
#2Satoshi MatsumotoH-Index: 9
Last. Yutaka Asanuma (University of Tsukuba)H-Index: 11
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#1Toru Murano (University of Tsukuba)
#2Satoshi Matsumoto (JAXA: Japan Aerospace Exploration Agency)H-Index: 9
Last. Haruhiko OhtaH-Index: 1
view all 8 authors...
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#1Taishi Yano (Yokohama National University)H-Index: 8
#2Koichi Nishino (Yokohama National University)H-Index: 18
Last. Yasuhiro Kamotani (Case Western Reserve University)H-Index: 21
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This paper reports the sensitivity of hydrothermal wave (HTW) instability of Marangoni convection to the interfacial heat transfer in liquid bridges (LBs) of high Prandtl number fluids (Pr = 67, 112, and 207) formed under the microgravity environment on the International Space Station. The data for instability are collected for a wide range of AR and for TC = 15 and 20 °C, where AR is the aspect ratio (=height/diameter) of the LB and TC is the cooled disk temperature. A significant decrease in c...
8 CitationsSource
#2Satoshi MatsumotoH-Index: 9
Last. Yutaka AsanumaH-Index: 11
view all 3 authors...
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